Publications

Publications

Andrology Publications

PUBLISHED IN2000 JOURNALPubMedSPECIALTYAndrology
1. Shafik A, El-Sibai O, Shafik A, El-Sibai O
The anocavernosal erectile dysfunction syndrome. II. Anal fissure and erectile dysfunction. Int J Impot Res12:279-283.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYAndrology
2. Shafik A, Shafik AA, Asaad S, Wahdan M, Morris M
The corporo-glans ligament: description and functional significance of a ligament connecting the corpora cavernosa to the glans penis. Int J Imp Res 16: 220-223.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYAndrology
3. Shafik A, Shafik I, El-Sibai O, Shafik AA
Overactive corpus cavernosum : Another cause of erectile dysfunction. Andrologia 36: 383-378.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYAndrology
3. Shafik A, Shafik I, El-Sibai O, Shafik AA
Overactive corpus cavernosum : Another cause of erectile dysfunction. Andrologia 36: 383-378.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYAndrology
4. Shafik A, Shafik AA, El-Sibai O, Shafik AI
Electrocavernosogram in erectile dysfunction: A diagnostic tool. Arch Androl 50: 317-325.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
5. Shafik A, El-Sibai O, Shafik I, Shafik AA
Transcutaneous electrocavernosography : a tool for recording the electromyographic activity of the corpora cavernosa. J Urol 174:629-631.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
6. Shafik A, Shafik AA, Shafik I, El-Sibai O
Urethral sphincters response to cavernosus muscles stimulation with identification of cavernoso-urethral reflex. Arch Androl 51: 335-343.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
7. Shafik A, Shafik AA, Shafik I, El-Sibai O
Conjoint corpora cavernosa and its role in erection. Arch Androl 51: 425-430.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
8. Shafik A, Shafik I, El-Sibai O, Shafik AA
Electric waves recorded from the testicle: are they capsular or from the testicular tissue? Int J Androl 28: 350-354.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
9. Shafik A, Shafik AA, El-Sibai O, Shafik I
Tunica albuginea overlapping: A novel technique for the treatment of erectile dysfunction. Andrologia 37:180-184.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
10. Shafik A, Shafik AA, El-Sibai O
Electric activity of the testicular tunica albuginea during ejaculation: an canine study. Exp Biol Med 230(8):569-572.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
11. Shafik A, Shafik AA, Shafik I, El-Sibai O
The hypoactive corpora cavernosa with degenerative erectile dysfunction: a new syndrome. BMC Urology 6: 13 – 20.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
12. Shafik A, El-Sibai O, Shafik A
Vaginal and uterine pressure response to semen deposition into the vagina and uterus: human study. Clin. Exp. Obst. & Gyn. 33: 107-109.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
13. Shafik A, Shafik AI, El-Sibai O, Shafik AA
Interstitial cells of Cajal in erectile dysfunction. Arch Androl 52: 255-262.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
14. Shafik A, Shafik I, El-Sibai O, Shafik AA
Effect of external anal sphincter contraction on the ischiocavernosus muscleand its suggested role in the sexual act. J Androl 27:40-44.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
15. Shafik A, Shafik I, Shafik AA, El-Sibai O
The cavernoso–anal reflex: response of the anal sphincters to cavernosus muscles’ stimulation. Aian J Androl 8: 331-336.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
16. Shafik A, Shafik AA, El-Sibai O, Shafik I
Role of tunica albuginea in erection: is it a dynamic or static role? Arch Androl 52: 81-86.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
17. Shafik A, Shafik AA, El-Sibai O, Shafik I
Contractile activity of the prostate at ejaculation : an electrophysiologic study. Urology 67:793-796.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
18. Shafik A, Shafik I, El-Sibai O, Shafik AA
Study of the cremasteric muscle during erection: identification of the ‘peno-cremasteric reflex�?Surg Radiol Anat 28: 569-572.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
19. Shafik A, Shafik I, El-Sibai O, Shafik AA
Straining-cremasteric reflex: identification of a new reflex and its role during increased intra-abdominal pressure. Surg Radiol Anat 28: 387-390.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
20. Shafik A, Shafik AA, El-Sibai O, Shafik I
Sperm DNA Fragmention. Arch Androl 52:197-208.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
21. Shafik A. El-Sibai O, Shafik I, Shafik AA
Corpora cavernosa as an alternative route for transfusion. Frontiers in Biosci 11: 2535-2537.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
22. Shafik A, El-Sibai O, Shafik I, Shafik AA
Cavernosus muscles contraction during erection: Is it voluntary or reflex, given the striated nature of the muscles?J Androl 27: 695-706.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
23. Shafik A, Shafik AA, El-Sibai O, Shafik I
Molecular Andrology as related to Sperm DND fragmentation and sperm chromatin Biotechechnology. Arch Androl 52: 299-310.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
24. Shafik A, Shafik I, El-Sibai O, Shafik AA
Interstitial Cells of Cajal in Tunica Albuginea of the Testicles. Andrology Upadte 1: 9-15.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
25. Shafik A, Mostafa R, Shafik AA, Shafik AI, El-Sibai O
Study of interstitial cells in the penis: Human study. J Sex Med 4: 66-71.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
26. Shafik A, Shafik AA, El-Sibai O, Shafik I
On the pathogenesis of penile venous leakage: role of the tunica albuginea. BMC Urology 7:14.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
27. Shafik A, Shafik AI, El-Sibai O, Shafik AA
Electrophysiologic activity of the tunica albuginea and corpora cavernosa: possible role of tunica albuginea in the erectile mechanism. J Sex Med 4: 675-679.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
28. Shafik A, Shafik IA, El-Sibai O, Shafik AA
The effect of external urethral sphincter contraction on the cavernosus muscles and its role in the sexual act. Int Urol Nephrol 39: 541-546.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
29. Shafik A, Shafik AA, Shafik I, El-Sibai O
Physiologic considerations of the morphologic changes of the testicles during erection and ejaculation: A canine study. Urologia Inter 79: 262-266.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
30. Shafik A, Shafik IA, El-Sibai O, Shafik AA
Electromyographic study of the anterolateral abdominal wall muscles during ejaculation. J Sex Med 1022-1027.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
31. Shafik A, Shafik IA, El-Sibai O, Shafik AA
Physioanatomical relationship of the external anal sphincter to the bulbocavernosus muscle in the female. Int Urogynecol J 18: 851-856.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
32. Shafik A, Shafik AA, El-Sibai O, Shafik I
Electromyographic study of ejaculatory mechanism. Int J Androloy.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
33. Shafik A, Shafik AA, El-Sibai O, Shafik I
Obesity in men: Endocrinology, Spermatogenesis, Infertility and Heredity. Arch Androl Androl Update 1: 18-26.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
34. Shafik A, Shafik AA, El-Sibai O, Shafik I
The response of the corporal tissue and cavernosus muscles to urethral stimulation: an effect of penile buffeting of the vaginal introitus. J Androl 28: 853-857.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYAndrology
35. Shafik A, Shafik AA, El-Sibai O, Shafik I
Inguinal canal dilatation: a novel technique for the repair of failed testicular descend despite hormonal treatment. Am Surg 74: 69-72.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYAndrology
36. Shafik A, Shafik AA, El-Sibai O, Shafik I
A study of the effect of straining on the cavernosus muscles: identification of ‘straining –cavernosus reflex’ and its clinical significance. Andrologia 40: 23-28.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYAndrology
37. Shafik A, Shafik AA, El-Sibai O, Shafik I
Percutaneous perineal electrostimulation induces erection: clinical significance in patients with spinal cord injured and erectile dysfunction. J Spinal Cord Med 31: 40-43.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYAndrology
38. Shafik A, Shafik AA, El-Sibai O, Shafik I
Study of the response of the penile corporal tissue and cavernosus muscles to micturition. BMC Urol 8: 4-9.

Gastroentrology Publications

PUBLISHED IN2002 JOURNALPubMedSPECIALTYGastroentrology
1. Shafik AA
Hernia Formation after Laparoscopic Surgery: Report of 4 Cases. Kasr E Ani J Surg 3:113-116

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGastroentrology
2. Shafik A, Shafik Ali A, El-Sibai O, Mostafa RM
The effect of straining on the diaphragmatic crura with identification of the straining-crural reflex. The “reflex theory�?in gastroesophageal competence: A new concept. BMC Gastroenterology 4: 24-28.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGastroentrology
3. Shafik A, El-Sibai O, Shafik AA, Mostafa RM, Shafik I
Effect of Straining on the Lower Esophageal Sphincter: Identification of the “Straining-Esophageal Reflex” and Its Role in Gastroesophageal Competence Mechanism. J Inevt Surg 17:191-196.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGastroentrology
4. Shafik A, El-Sibai O, Shafik I, Shafik AA
Electroesophagogram in Gastroesophageal Reflux Disease with A new Theory on the Pathogenesis of its Electric Changes. BMC Surgery 4: 1-8.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGastroentrology
5. Shafik A, El-Sibai O, Shafik AA, Mostafa R
Effect of Topical Esophageal Acidification on Salivary Secretion: Identification of the mechanism of action. J Gastro Hepato 20: 1935-1939.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGastroentrology
6. Shafik A, El-Sibai O, Shafik AA, Shafik I
Interstitial cells of Cajal in reflux esophagitis: role in the pathogenesis of the disease. Med Sci Monit 11: 452-456.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGastroentrology
7. Shafik A, Shafik AA , El-Sibai O, Shafik I
Physioanatomic study of the diaphragmatic crura: the identification of autonomous “gastroesophageal sphincter”. J Invest Surg 18:135-142.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGastroentrology
8. Shafik A, Shafik I, El-Sibai O, Shafik AA
On the Pathogenesis of Gastroesophageal Reflux: The Concept of “gastroesophageal dyssynergia�? J Thorac Cardiovasc Surg 130:401-407.

PUBLISHED IN2009 JOURNALPubMedSPECIALTYGastroentrology
9. Shafik A, Shafik I, El-Sibai O, Shafik AA
Demonstration of a physiologic sphincter at duodeno-jejunal junction. Front Biosci 11:2790-2794.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
10. Shafik A, El-Sibai O, Shafik AA
Study of the duodenal contractile activity during antral contractions. World J Gastro 13: 2600-2603.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
11. Shafik A, Shafik AA, Wahdan M, El-Sibai O
Duodeno-jejunal junction : a histoanatomical study with the concept of the existence of an ‘anatomical’ sphincter. Surg Radiol Anat 29: 661-665.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
12. Shafik A, Shafik AA, El-Sibai O, Shafik AI
The effect of gastric overfilling on the pharyngo-esophageal and lower esophageal sphincter: A possible factor in restricting food intake. Med Sci Mont 13: 220-224.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
13. Shafik A, El-Sibai O, Shafik AA, Shafik I
Contraction of Gluteal maximus muscle on increase of the intra-abdominal pressure: role in the fecal continence mechanism Surgical Innov 14: 270-274.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
13. Shafik A, El-Sibai O, Shafik AA, Shafik I
Contraction of Gluteal maximus muscle on increase of the intra-abdominal pressure: role in the fecal continence mechanism Surgical Innov 14: 270-274.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
14. Shafik A, El-Sibai O, Shafik AA , Shafik I
Mechanism of gastric emptying through the pyloric sphincter: A human study. Med Sci Monit 32: 71 – 72.

Gynecology Publications

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGynecology
1. Shafik A, Ahmed I, Shafik AA, El-Sibai O
Study of the effect of cervix uteri buffeting on the vaginal musculature with identification of the cervico-viginal reflex. Arch Gynecol Obstet 270: 165-169

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGynecology
2. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Response of the labia majora and minora to clitoral stimulation: Mechanism and role in the sexual act. Int J Gynecol Obstet 86(3):401-402

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGynecology
3. Shafik A, El-Sibai O, Shafik AA ,Ahmed I, Mostfa RM
The electrovaginogram: Study of the vaginal electric activity and its role in the sexual act and disorders. Arch Gynecol Obstet 269(4): 282-286

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
4. Shafik A, El-Sibai O, Shafik I, Shafik AA
Oviduct contractile response to vaginal distension: Identification of vagino-tubal reflex. Arch Gynecol Obstet 271(2):148-151

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
5. Shafik A, El-Sibai O, MostfaRM, Shafik AA, Ahmed I
Response of the internal reproductive organs to clitoral stimulation. The clitoro-uterine reflex. Int J Impot Res 17(2): 121-126

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
6. Shafik A, El-Sibai O, Shafik I, Shafik AA
Uterine Effect of Cervical Buffeting: Role of the Cervicouterine Reflex in Coitus. J Reprod Med 11: 837-847

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
7. Shafik A, Shafik AA, El-Sibai O, Shafik I
Specialized pacemaking cells in the human fallopian tube. Mocu Human Reproduct 11:503-505

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
8. Shafik A, El-Sibai O, Shafik I, Shafik AA
Uterine Effect of Cervical Buffeting: Role of the Cervicouterine Reflex in Coitus. J Reprod Med 11: 837-847

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
9. Shafik A, Shafik AA, El-Sibai O, Shafik I
Specialized pacemaking cells in the human fallopian tube. Mocu Human Reproduct 11:503-505

PUBLISHED IN2006 JOURNALPubMedSPECIALTYGynecology
10. Shafik A, Shafik I, El-Sibai O, Shafik AA
Oviductal motile response to penile cervical buffeting. Arch Gynecol Obstet 273: 216-220

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGynecology
11. Shafik A, Shafik AI, El-Sibai O, Shafik A
Flaturia: passage of flatus at coitus. Incidence and pathogenesis. Arch Gynecol Obstet 275:33-37

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGynecology
12. Shafik A, El-Sibai O, ShafikA. Shafik AI
A novel concept for the surgical anatomy of the perineal body. Dis Colon Rectum 50: 2120-2125

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGynecology
13. Shafik A, El-Sibai O, ShafikAA, Shafik AI
The effect of vaginal distension on the female urinary bladder and urethral sphincters. Act Obstet Gynecol Scand 86: 1398-1403

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGynecology
14. Shafik A, Shafik AA, El-Sibai O, Shafik I
Identification of vaginal pacemaker : An immunohistochemical and morphometric study. J Obstet Gynecol 27(5):485-488

PUBLISHED IN2008 JOURNALPubMedSPECIALTYGynecology
15. Shafik A, El-Sibai O, Shafik AAI
Vaginal response to clitoral stimulation : Identification of the clitorovaginal reflex. J Reprod Med 53: 111-116

PUBLISHED IN2008 JOURNALPubMedSPECIALTYGynecology
16. Shafik A, El-Sibai O, ShafikA. Shafik AI
Effect of micturition on clitoris and cavernosus muscles: an electromyographic study. Int Urogynecol J Pelv 19: 531-535

Proctology Publications

PUBLISHED IN2000 JOURNALPubMedSPECIALTYProctology
1. Shafik A, El-Sibai O, Shafik AA
Is myoelectric activity transmittable from one muscle to another?An experimental study. Int J Surg Invest 2: 165-170.

PUBLISHED IN2000 JOURNALPubMedSPECIALTYProctology
2. Shafik A, Shafik AA
Electric activity spreads in the colonic longitudinal but not the circular musculature. Role in colonic motility. Front Bio Sci 5, b5-8 (PubMed#11056084).

PUBLISHED IN2000 JOURNALPubMedSPECIALTYProctology
3. Shafik A, El-Sibai O, Shafik AA
Rectal pacing in patients with constipation due to rectal inertia: technique and results. Int J Colorectal Dis15: 100-104.

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
4. Shafik A, El-Sibai O, Shafik AA
Experimental use of the obturator internus muscle as a functioning pelvic floor muscle in dogs Eur J Surg 167:782-788.

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
5. Shafik A, Shafik AA
The ‘Uninhibited Rectum’: A cause of fecal incontinence. J Spinal Cord Med 24: 159-63.

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
6. Shafik A, El-Sibai O, Shafik AA
Study of the mechanism underlying the difference in motility between the large and small intestine: The ” Single” and ” Multiple” pacemaker theory. Front Bio Sci 6: b 1-5 (PubMed# 11401784).

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
7. Shafik A, El-Sibai O, Mostafa RM, Shafik AA
Electric activity of the rectosigmoid canal and its relation to rectal and sigmoid electric activity: An evidence of a sphincteric function of the rectosigmoid canal. Front Biosci 6: b 6-9 (Pub Med# 11532613).

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
8. Shafik A, Wahdan MM, Shafik AA
The ileocaecal valve in man: Anatomical, Radiological and Endoscopic studies with special references to its antireflux mechanism. The Egyptian Anatomical Society 24(1) :279-304.

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
9. Ali YA, Shafik AA
Posterior Rectocele: A Study and Evaluation. Egypt J Surg 20: 437-442.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
10. El Sibai O, Shafik AA.
Cauterization – Plication Operation in the Treatment of Complete Rectal Prolapse, Tech Coloproctol 6:51-54.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
11. Ali YA, Shafik AA
A Study of Rectal Motility: The Normal Pattern of Rectal Evacuation. Kasr E Ani J Surg 3:41-48.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
12. Shafik A, El-Sibai O, Shafik AA
A novel method for preventing postoperative adhesions in the rat model. J Gynecologic Surg. 18: 65-68.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
13. Shafik A, Shafik AA, I Ahmed
Role of longitudinal smooth muscle coat in the ileal motile activity: evidence of ileo-ileal inhibitory reflex. J Gastroenterol Hepatol 17:1267-1271.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
14. Shafik A, El-Sibai O, Shafik AA
Physiological assessment of the function of the ileocecal junction with evidence of ileocecal junction reflexes. Med Sci Monit 8:CR629-635 PMID: 12218944.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
15. Shafik A, Mostafa RM, ShafikAA, El-Sibai O
Study of the effect of straining on the bulbocavernosus muscle with evidence of a straining-bulbocavernosus reflex and its clinical significance. Int Urogynecol J. 13: 294-298

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
16. Shafik A, Mostafa RM, Shafik AA
Electrophysiological study of the rectosigmoid canal: Evidence of a rectosigmoid sphincter. J Anat 200: 517-521.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
17. Shafik A, El-Sibai O, Shafik AA
Electrophysiologic identification of the location of the colonic pacemakers. A human study. Front in Boisci 7: b1-5 PubMed# 11815299.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
18. Shafik A, El-Sibai O, Shafik AA, Shafik IA
The Motor Efficacy of the Artifical Colonic Pacemaker in Colonic Inertia Patients. Front Biosci 7: b6-13 PubMed#12045022.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
19. Shafik A, Shafik AA, Shafik IA
Effect of Colonic Distension on Ileal Motor Activity with Evidence of Coloileal Reflex. J Gastrointest Surg 7(5):701-705.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
20. Shafik A, El-Sibai O, Shafik AA
Study of the effect of jejuno-ileal distension on the motor activity of the stomach with evidence of ‘entero-gastric Inhibitory reflex’. Hepatogastroenterology 50: 1966-1969.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
21. Shafik A, Mostafa RM, Shafik AA, Ahmed I
Study of the functional activity of the cecocolonic junction with identification of a “Physiologic sphincter�? “cecocolonic inhibitory reflex” and ”colocecal excitatory reflex�? Surg Radiol Anat 25: 16-20

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
22. Shafik A, Shafik AA, El-Sibai O, Ali YA
Videodefecography: a study of the rectal motile pattern Surg Radiol Anat 25: 139-144.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
23. Shafik A, Shafik AA, El-Sibai O, Mostafa RM
Electric Activity of the Colon in Subjects With Constipation Due to Total Colonic Inertia: An Electrophysiologic Study. Arch Surg 138:1007-1011.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
24. Shafik A, Shafik AA, El-Sibai O, Ahmed I
Electrophysiologic Identification of the Location of the Colonic Pacemakers in Humans. Further Study. J Invest Surg 16: 289-297

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
25. Shafik A, El-Sibai O, Shafik AA, Shafik IA
Colosigmoid junction: A study of its functional activity with identification of a physiologic sphincter and involvement in reflex actions. J Invest Surg 16: 29-34.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
26. Shafik A, El-Sibai O, Shafik AA, Shafik IA
Colonic pacing in patients with constipation due to colonic inertia. Med Sci Monit 9(5):191-196.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
27. Shafik A, Shafik AA, Ahmed I
Role of positive anorectal feedback in rectal evacuation: the concept of a second defecation reflex: the anorectal. J Spinal Cord Med 26:380-383.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
28. Shafik A, El-Sibai O, Shafik AA, Shafik IA
Role of the Sympathetic Innervation in the Defecation Mechanism: A Novel Concept of its Function. J Spinal Cord Medic 26(2):150-152.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
29. Shafik A, Shafik AA, El-Sibai O, Ahmed I
Study of the role of the second defecation reflex: Anorectal excitatory reflex in the pathogenesis of constipation. J Am Coll Surg 196:729-734.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
30. Shafik A, El-Sibai O,Shafik AA, Ahmed I
On the pathogenesis of rectocele: the concept of the rectovaginal pressure gradient. Int Urogyne J 14:310-315.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
31. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Colonic pacing in the treatment of patients with irritable bowel syndrome: Technique and results. Front in Boisci 8: b1-5.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
32. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Effect of Straining on Perineal Muscles and Their Role in Perineal Support: Identification of the Straining-Perineal Reflex. J Surg Res 112:162-167.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
33. Shafik A, Shafik AA, El-Sibai O, Ahmed I
Colonic pacing: A therapeutic option for the treatment of constipation due to total colonic inertia. Arch Surg 139: 775-779.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
34. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Electric activity of the colon in the irritable bowel syndrome: The “tachyarrhythmic�? electric pattern. J Gastroent Hepato 19:205-210.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
35. Shafik A, Shafik AA, El-Sibai O, Ahmed I
Treatment of irritable bowel syndrome with colonic pacing: Evaluation of pacing parameters required for correction of the “tachyarrhythmia�?of the IBS. Hepato-gastroenterology 51: 1708-1712.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
36. Shafik A, Ahmed I, Shafik AA, El-Sibai O
Electric activity of the gut in ulcerative colitis and Crohn’s disease: Electromyography as a tool for differentiating between the two conditions in the early stage. Med Sci Monit 10: 572-576.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
37. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Objective�?nbsp; assessment of rectal sensation: A novel approach. Front in Biosci 9: 159-163.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
38. Shafik A, Ahmed I, Shafik AA, El-Sibai O
Diverticular disease: Electrophysiologic study and a new concept of pathogenesis. World J Surg 28: 411-415.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
39. Shafik A, El Sibai O, Ahmed I, Shafik AA
Identification of interstitial cells of Cajal in the human rectum. Front Biosci 9:2848-2851.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
40. Shafik A, Mostafa RM, El-Sibai O, Shafik IA
Electromotor activity of the cecum and ascending colon: The concept of “individual pacemakers”. Eur Surg Res 36: 308-312.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
41. Shafik A, El-Sibai O, Ahmed I, Shafik AA
Perineal Rectocele: Perinocele A cause of constipation. pathogeneses, clinical presentation and treatment. J Pelvic Med & Surg 11: 199-207.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
42. Shafik A, Ahmed I, Shafik AA, El-Ghamrawy TA. El-Sibai O
Surgical anatomy of the perineal muscles and their role in perineal disorders. Anat Sci Int 80: 167-171.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
43. Shafik A, Ahmed I, El-Sibai O, Shafik AA, Mostafa R
Study of the rectal electric activity of the uninhibited rectal detrusor (overactive rectum): a new concept of pathogenesis. J Spinal Cord Med 28: 64-68.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
44. Shafik A, El-Sibai O, Shafik I, Shafik AA
Identification of the location of the colonic pacemaker : a histologic study. Frontiers in Biosc 10: 1661-1665.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
45. Shafik A, Shafik AA, El-Sibai O, Shafik I
Effect of warming on the rectal motile activity: identification of rectal warming reflex. J Surg Res 130: 34-37.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
46. Shafik A, Shafik AA ,El Sibai O, Ahmed I, Mostafa RM
Role of the Rectosigmoidal junction in fecal continence: Concept of the primary continent mechanism. Arch of Surg 141:23-26.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
47. Shafik A, Mostafa RM, Shafik I, El Sibai O, Shafik AA
The Functional activity of the rectum: A conduit organ, a storage organ, or both? W J Gastro 12: 4549-4552.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
48. Shafik A, Shafik AA, El-Sibai O, Shafik I
Interstitial Cell of Cajal in Patients with Constipation due to Total Colonic Inertia. J Invest Surg 19: 147-153.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
49. Shafik A, Shafik AA, Ahmed I, El-Sibai O
Study of the role of the transverse perineal muscleus during rectal filling. Int J Colorectal Dis 21: 698-704.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
50. Shafik A, Shafik I, El-Sibai O, Shafik AA
Detection of predefecatory rectosigmoid wave activity for prevention of fecal soiling in infants. Front Biosience 11: 3096-3099.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
51. Shafik A, Shafik I, El-Sibai O, Shafik AA
Effect of straining on the muscles of the anterior abdominal wall. identification of the ‘straining-abdominal wall reflex’ Front Biosci 11: 2174-2178.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
52. Shafik A, Shafik I, El-Sibai O, Shafik AA
The ‘‘Opening Time’�?and ‘‘Pelvic Floor Electromyographic Lag Time’�? Two Novel Tools in the Assessment of the Anorectal Evacuation Time. J Invest Surg. 19: 307-311.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
53. Shafik A, El-Sibai O, Shafik I, Shafik AA
Effect Of Cooling On The Rectal Tone. Eur Surg Res 39: 291-295.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
54. Shafik A, El-Sibai O, Shafik I, Shafik AA
Rectal cooling test in the differentiation between constipation due to rectal inertia and anismus. Tech Coloproctol 11: 39-43.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
55. Shafik A, El-Sibai O, Ahmed I, Shafik AA
Role of sacral ligament clamp in the pudendal neuropathy (pudendal canal syndrome): Results of clamp release. Int Surg 92: 54-59.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
56. Shafik A, El-Sibai O, Shafik I, Shafik AA
Stress, urge and mixed types of partial fecal incontinence: pathogenesis, clinical presentation, and treatment. Am Surg 73: 6-9.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
57. Shafik A, El-Sibai O, Shafik I, Shafik AA
Electromyographic lag time and opening time: two novel non-invosive method to investigate patients with anal outlet obstruction and their response to treatment. J Invest Surg 20: 307-311.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
58. Shafik A, Shafik I, El-Sibai O, Shafik AA
Electromyographic activity of the anterolateral abdominal wall muscles during rectal filling and evacuation. J Surg Res 143: 364-367.

PUBLISHED IN2010 JOURNALPubMedSPECIALTYProctology
59. Shafik AA, Shafik A, Soheir A, Mohamed W
A Study of an AnatomicPhysiological Cecocolonic Sphincter in Humans. Clin. Anat. 23:851-861.

PUBLISHED IN2010 JOURNALPubMedSPECIALTYProctology
60. Maolin G., Chunfang G., Dawei L., Weiya G., Shafik AA., Andrew PZ., Mario P.
MRI Anatomy of the Anal Region. Dis. Colo. Rect. 53:1542-1548

Urology Publications

PUBLISHED IN2003 JOURNALPubMedSPECIALTYUrology
1. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Role of positive urethrovesical feedback in vesical evacuation. The concept of a second micturition reflex: The urethrovesical reflex. World J Urol 21: 167-170.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
2. Shafik A, El-Sibai O, Ahmed I, Shafik AA
Effect of vesical contraction on the non-sphincteric part of the urethra: Recognition of vesicourethral inhibitory reflex. Int J Urol 11:213-217.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
3. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Do vesical and voided urine have Identical composition? Scand J Urol Nephro 38: 243-246.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
4. Shafik A, El-Sibai O, Shafik AA, Ahmed I
The electrovesicogram in the overactive bladder: role in determining pathogenesis and diagnostic significance. Urological Research 32: 290-293.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
5. Shafik A, El Sibai O, Shafik AA, Ahmed I, Mostafa RM
Vesical pacing: Pacing parameters required for normalization of vesical electic activity in patients with overactive bladder. Frontiers in Bioscience 9:995-999.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
6. Shafik A, Ahmed I, El Sibai O, Shafik AA, Mostafa RM
Vesical pacing in patients with overactive bladder: Technique and results. Int Urol & Nephrol 36: 29-34.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
7. Shafik A, El Sibai O, Mostafa MY, Shafik AA, Shafik AI
Identification of the interstitial cells of Cajal in the human urinary bladder: The concept of vesical pacemaker. Urology 64: 809-813.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYUrology
8. Shafik A, Shafik AI, El Sibai O, Shafik AA
Effect of micturition on the external anal sphincter. Identification of the urethra-anal reflex. J Spinal Cord Med 28: 421-425.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYUrology
9. Shafik A, Shafik AI, El Sibai O, Shafik AA
Changes in the urine composition during its passage through the ureter. A concept of urothelial function. Urol Res 33: 426-428.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYUrology
10. Shafik A, Shafik AI, El Sibai O, Shafik AA
Does the composition of voided urine reflect that of the renal pelvis? Urol Res 34: 261-264.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYUrology
11. Shafik A, Shafik AI, El Sibai O, Shafik AA
Role of the perineal muscles in micturition. Identification of the vesico–perineal reflex. J Pelvic Med Surg 12: 19-24.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYUrology
12. Shafik A, El Sibai O, Shafik AI, Shafik AA
Electromyographic activity of the anterolateral abdominal wall muscles during the vesical filling and evacuation J Reas Med Sci 12: 74-79.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYUrology
13. Shafik A, Shafik AI, El Sibai O, Shafik AA
Effect of urethral stimulation on vesical contractile activity. Am J Med Sci. 334: 240-243.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYUrology
14. Shafik A, Shafik AA, Shafik AI, El Sibai O
Effect of rectal distension on vesical motor activity in humans: the identification of the recto-vesicourethral reflex. The J Spin Cord Med 30: 36-39.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYUrology
15. Shafik A, Shafik AI, El Sibai O, Shafik AA
The anterolateral abdominal wall muscles during vesical filling and evacuation: Electromyographic study Urology 71: 621-624.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYUrology
16. Shafik A, Shafik AI, El Sibai O, Shafik AA
The electromyographic activity of the external and internal urethral sphincters and urinary bladder on vaginal distension and its role in preventing vaginal soiling with urine during sexual intercourse. Arch Gynecol Obstet 277: 213-217.

Andrology

Andrology Publications

PUBLISHED IN2000 JOURNALPubMedSPECIALTYAndrology
1. Shafik A, El-Sibai O, Shafik A, El-Sibai O
The anocavernosal erectile dysfunction syndrome. II. Anal fissure and erectile dysfunction. Int J Impot Res12:279-283.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYAndrology
2. Shafik A, Shafik AA, Asaad S, Wahdan M, Morris M
The corporo-glans ligament: description and functional significance of a ligament connecting the corpora cavernosa to the glans penis. Int J Imp Res 16: 220-223.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYAndrology
3. Shafik A, Shafik I, El-Sibai O, Shafik AA
Overactive corpus cavernosum : Another cause of erectile dysfunction. Andrologia 36: 383-378.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYAndrology
3. Shafik A, Shafik I, El-Sibai O, Shafik AA
Overactive corpus cavernosum : Another cause of erectile dysfunction. Andrologia 36: 383-378.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYAndrology
4. Shafik A, Shafik AA, El-Sibai O, Shafik AI
Electrocavernosogram in erectile dysfunction: A diagnostic tool. Arch Androl 50: 317-325.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
5. Shafik A, El-Sibai O, Shafik I, Shafik AA
Transcutaneous electrocavernosography : a tool for recording the electromyographic activity of the corpora cavernosa. J Urol 174:629-631.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
6. Shafik A, Shafik AA, Shafik I, El-Sibai O
Urethral sphincters response to cavernosus muscles stimulation with identification of cavernoso-urethral reflex. Arch Androl 51: 335-343.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
7. Shafik A, Shafik AA, Shafik I, El-Sibai O
Conjoint corpora cavernosa and its role in erection. Arch Androl 51: 425-430.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
8. Shafik A, Shafik I, El-Sibai O, Shafik AA
Electric waves recorded from the testicle: are they capsular or from the testicular tissue? Int J Androl 28: 350-354.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
9. Shafik A, Shafik AA, El-Sibai O, Shafik I
Tunica albuginea overlapping: A novel technique for the treatment of erectile dysfunction. Andrologia 37:180-184.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYAndrology
10. Shafik A, Shafik AA, El-Sibai O
Electric activity of the testicular tunica albuginea during ejaculation: an canine study. Exp Biol Med 230(8):569-572.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
11. Shafik A, Shafik AA, Shafik I, El-Sibai O
The hypoactive corpora cavernosa with degenerative erectile dysfunction: a new syndrome. BMC Urology 6: 13 – 20.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
12. Shafik A, El-Sibai O, Shafik A
Vaginal and uterine pressure response to semen deposition into the vagina and uterus: human study. Clin. Exp. Obst. & Gyn. 33: 107-109.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
13. Shafik A, Shafik AI, El-Sibai O, Shafik AA
Interstitial cells of Cajal in erectile dysfunction. Arch Androl 52: 255-262.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
14. Shafik A, Shafik I, El-Sibai O, Shafik AA
Effect of external anal sphincter contraction on the ischiocavernosus muscleand its suggested role in the sexual act. J Androl 27:40-44.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
15. Shafik A, Shafik I, Shafik AA, El-Sibai O
The cavernoso–anal reflex: response of the anal sphincters to cavernosus muscles’ stimulation. Aian J Androl 8: 331-336.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
16. Shafik A, Shafik AA, El-Sibai O, Shafik I
Role of tunica albuginea in erection: is it a dynamic or static role? Arch Androl 52: 81-86.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
17. Shafik A, Shafik AA, El-Sibai O, Shafik I
Contractile activity of the prostate at ejaculation : an electrophysiologic study. Urology 67:793-796.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
18. Shafik A, Shafik I, El-Sibai O, Shafik AA
Study of the cremasteric muscle during erection: identification of the ‘peno-cremasteric reflex�?Surg Radiol Anat 28: 569-572.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
19. Shafik A, Shafik I, El-Sibai O, Shafik AA
Straining-cremasteric reflex: identification of a new reflex and its role during increased intra-abdominal pressure. Surg Radiol Anat 28: 387-390.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
20. Shafik A, Shafik AA, El-Sibai O, Shafik I
Sperm DNA Fragmention. Arch Androl 52:197-208.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
21. Shafik A. El-Sibai O, Shafik I, Shafik AA
Corpora cavernosa as an alternative route for transfusion. Frontiers in Biosci 11: 2535-2537.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
22. Shafik A, El-Sibai O, Shafik I, Shafik AA
Cavernosus muscles contraction during erection: Is it voluntary or reflex, given the striated nature of the muscles?J Androl 27: 695-706.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYAndrology
23. Shafik A, Shafik AA, El-Sibai O, Shafik I
Molecular Andrology as related to Sperm DND fragmentation and sperm chromatin Biotechechnology. Arch Androl 52: 299-310.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
24. Shafik A, Shafik I, El-Sibai O, Shafik AA
Interstitial Cells of Cajal in Tunica Albuginea of the Testicles. Andrology Upadte 1: 9-15.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
25. Shafik A, Mostafa R, Shafik AA, Shafik AI, El-Sibai O
Study of interstitial cells in the penis: Human study. J Sex Med 4: 66-71.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
26. Shafik A, Shafik AA, El-Sibai O, Shafik I
On the pathogenesis of penile venous leakage: role of the tunica albuginea. BMC Urology 7:14.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
27. Shafik A, Shafik AI, El-Sibai O, Shafik AA
Electrophysiologic activity of the tunica albuginea and corpora cavernosa: possible role of tunica albuginea in the erectile mechanism. J Sex Med 4: 675-679.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
28. Shafik A, Shafik IA, El-Sibai O, Shafik AA
The effect of external urethral sphincter contraction on the cavernosus muscles and its role in the sexual act. Int Urol Nephrol 39: 541-546.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
29. Shafik A, Shafik AA, Shafik I, El-Sibai O
Physiologic considerations of the morphologic changes of the testicles during erection and ejaculation: A canine study. Urologia Inter 79: 262-266.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
30. Shafik A, Shafik IA, El-Sibai O, Shafik AA
Electromyographic study of the anterolateral abdominal wall muscles during ejaculation. J Sex Med 1022-1027.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
31. Shafik A, Shafik IA, El-Sibai O, Shafik AA
Physioanatomical relationship of the external anal sphincter to the bulbocavernosus muscle in the female. Int Urogynecol J 18: 851-856.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
32. Shafik A, Shafik AA, El-Sibai O, Shafik I
Electromyographic study of ejaculatory mechanism. Int J Androloy.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
33. Shafik A, Shafik AA, El-Sibai O, Shafik I
Obesity in men: Endocrinology, Spermatogenesis, Infertility and Heredity. Arch Androl Androl Update 1: 18-26.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYAndrology
34. Shafik A, Shafik AA, El-Sibai O, Shafik I
The response of the corporal tissue and cavernosus muscles to urethral stimulation: an effect of penile buffeting of the vaginal introitus. J Androl 28: 853-857.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYAndrology
35. Shafik A, Shafik AA, El-Sibai O, Shafik I
Inguinal canal dilatation: a novel technique for the repair of failed testicular descend despite hormonal treatment. Am Surg 74: 69-72.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYAndrology
36. Shafik A, Shafik AA, El-Sibai O, Shafik I
A study of the effect of straining on the cavernosus muscles: identification of ‘straining –cavernosus reflex’ and its clinical significance. Andrologia 40: 23-28.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYAndrology
37. Shafik A, Shafik AA, El-Sibai O, Shafik I
Percutaneous perineal electrostimulation induces erection: clinical significance in patients with spinal cord injured and erectile dysfunction. J Spinal Cord Med 31: 40-43.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYAndrology
38. Shafik A, Shafik AA, El-Sibai O, Shafik I
Study of the response of the penile corporal tissue and cavernosus muscles to micturition. BMC Urol 8: 4-9.

Gastroentrology

Gastroentrology Publications

PUBLISHED IN2002 JOURNALPubMedSPECIALTYGastroentrology
1. Shafik AA
Hernia Formation after Laparoscopic Surgery: Report of 4 Cases. Kasr E Ani J Surg 3:113-116

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGastroentrology
2. Shafik A, Shafik Ali A, El-Sibai O, Mostafa RM
The effect of straining on the diaphragmatic crura with identification of the straining-crural reflex. The “reflex theory�?in gastroesophageal competence: A new concept. BMC Gastroenterology 4: 24-28.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGastroentrology
3. Shafik A, El-Sibai O, Shafik AA, Mostafa RM, Shafik I
Effect of Straining on the Lower Esophageal Sphincter: Identification of the “Straining-Esophageal Reflex” and Its Role in Gastroesophageal Competence Mechanism. J Inevt Surg 17:191-196.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGastroentrology
4. Shafik A, El-Sibai O, Shafik I, Shafik AA
Electroesophagogram in Gastroesophageal Reflux Disease with A new Theory on the Pathogenesis of its Electric Changes. BMC Surgery 4: 1-8.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGastroentrology
5. Shafik A, El-Sibai O, Shafik AA, Mostafa R
Effect of Topical Esophageal Acidification on Salivary Secretion: Identification of the mechanism of action. J Gastro Hepato 20: 1935-1939.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGastroentrology
6. Shafik A, El-Sibai O, Shafik AA, Shafik I
Interstitial cells of Cajal in reflux esophagitis: role in the pathogenesis of the disease. Med Sci Monit 11: 452-456.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGastroentrology
7. Shafik A, Shafik AA , El-Sibai O, Shafik I
Physioanatomic study of the diaphragmatic crura: the identification of autonomous “gastroesophageal sphincter”. J Invest Surg 18:135-142.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGastroentrology
8. Shafik A, Shafik I, El-Sibai O, Shafik AA
On the Pathogenesis of Gastroesophageal Reflux: The Concept of “gastroesophageal dyssynergia�? J Thorac Cardiovasc Surg 130:401-407.

PUBLISHED IN2009 JOURNALPubMedSPECIALTYGastroentrology
9. Shafik A, Shafik I, El-Sibai O, Shafik AA
Demonstration of a physiologic sphincter at duodeno-jejunal junction. Front Biosci 11:2790-2794.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
10. Shafik A, El-Sibai O, Shafik AA
Study of the duodenal contractile activity during antral contractions. World J Gastro 13: 2600-2603.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
11. Shafik A, Shafik AA, Wahdan M, El-Sibai O
Duodeno-jejunal junction : a histoanatomical study with the concept of the existence of an ‘anatomical’ sphincter. Surg Radiol Anat 29: 661-665.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
12. Shafik A, Shafik AA, El-Sibai O, Shafik AI
The effect of gastric overfilling on the pharyngo-esophageal and lower esophageal sphincter: A possible factor in restricting food intake. Med Sci Mont 13: 220-224.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
13. Shafik A, El-Sibai O, Shafik AA, Shafik I
Contraction of Gluteal maximus muscle on increase of the intra-abdominal pressure: role in the fecal continence mechanism Surgical Innov 14: 270-274.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
13. Shafik A, El-Sibai O, Shafik AA, Shafik I
Contraction of Gluteal maximus muscle on increase of the intra-abdominal pressure: role in the fecal continence mechanism Surgical Innov 14: 270-274.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGastroentrology
14. Shafik A, El-Sibai O, Shafik AA , Shafik I
Mechanism of gastric emptying through the pyloric sphincter: A human study. Med Sci Monit 32: 71 – 72.

Gynecology

Gynecology Publications

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGynecology
1. Shafik A, Ahmed I, Shafik AA, El-Sibai O
Study of the effect of cervix uteri buffeting on the vaginal musculature with identification of the cervico-viginal reflex. Arch Gynecol Obstet 270: 165-169

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGynecology
2. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Response of the labia majora and minora to clitoral stimulation: Mechanism and role in the sexual act. Int J Gynecol Obstet 86(3):401-402

PUBLISHED IN2004 JOURNALPubMedSPECIALTYGynecology
3. Shafik A, El-Sibai O, Shafik AA ,Ahmed I, Mostfa RM
The electrovaginogram: Study of the vaginal electric activity and its role in the sexual act and disorders. Arch Gynecol Obstet 269(4): 282-286

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
4. Shafik A, El-Sibai O, Shafik I, Shafik AA
Oviduct contractile response to vaginal distension: Identification of vagino-tubal reflex. Arch Gynecol Obstet 271(2):148-151

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
5. Shafik A, El-Sibai O, MostfaRM, Shafik AA, Ahmed I
Response of the internal reproductive organs to clitoral stimulation. The clitoro-uterine reflex. Int J Impot Res 17(2): 121-126

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
6. Shafik A, El-Sibai O, Shafik I, Shafik AA
Uterine Effect of Cervical Buffeting: Role of the Cervicouterine Reflex in Coitus. J Reprod Med 11: 837-847

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
7. Shafik A, Shafik AA, El-Sibai O, Shafik I
Specialized pacemaking cells in the human fallopian tube. Mocu Human Reproduct 11:503-505

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
8. Shafik A, El-Sibai O, Shafik I, Shafik AA
Uterine Effect of Cervical Buffeting: Role of the Cervicouterine Reflex in Coitus. J Reprod Med 11: 837-847

PUBLISHED IN2005 JOURNALPubMedSPECIALTYGynecology
9. Shafik A, Shafik AA, El-Sibai O, Shafik I
Specialized pacemaking cells in the human fallopian tube. Mocu Human Reproduct 11:503-505

PUBLISHED IN2006 JOURNALPubMedSPECIALTYGynecology
10. Shafik A, Shafik I, El-Sibai O, Shafik AA
Oviductal motile response to penile cervical buffeting. Arch Gynecol Obstet 273: 216-220

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGynecology
11. Shafik A, Shafik AI, El-Sibai O, Shafik A
Flaturia: passage of flatus at coitus. Incidence and pathogenesis. Arch Gynecol Obstet 275:33-37

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGynecology
12. Shafik A, El-Sibai O, ShafikA. Shafik AI
A novel concept for the surgical anatomy of the perineal body. Dis Colon Rectum 50: 2120-2125

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGynecology
13. Shafik A, El-Sibai O, ShafikAA, Shafik AI
The effect of vaginal distension on the female urinary bladder and urethral sphincters. Act Obstet Gynecol Scand 86: 1398-1403

PUBLISHED IN2007 JOURNALPubMedSPECIALTYGynecology
14. Shafik A, Shafik AA, El-Sibai O, Shafik I
Identification of vaginal pacemaker : An immunohistochemical and morphometric study. J Obstet Gynecol 27(5):485-488

PUBLISHED IN2008 JOURNALPubMedSPECIALTYGynecology
15. Shafik A, El-Sibai O, Shafik AAI
Vaginal response to clitoral stimulation : Identification of the clitorovaginal reflex. J Reprod Med 53: 111-116

PUBLISHED IN2008 JOURNALPubMedSPECIALTYGynecology
16. Shafik A, El-Sibai O, ShafikA. Shafik AI
Effect of micturition on clitoris and cavernosus muscles: an electromyographic study. Int Urogynecol J Pelv 19: 531-535

Proctology

Proctology Publications

PUBLISHED IN2000 JOURNALPubMedSPECIALTYProctology
1. Shafik A, El-Sibai O, Shafik AA
Is myoelectric activity transmittable from one muscle to another?An experimental study. Int J Surg Invest 2: 165-170.

PUBLISHED IN2000 JOURNALPubMedSPECIALTYProctology
2. Shafik A, Shafik AA
Electric activity spreads in the colonic longitudinal but not the circular musculature. Role in colonic motility. Front Bio Sci 5, b5-8 (PubMed#11056084).

PUBLISHED IN2000 JOURNALPubMedSPECIALTYProctology
3. Shafik A, El-Sibai O, Shafik AA
Rectal pacing in patients with constipation due to rectal inertia: technique and results. Int J Colorectal Dis15: 100-104.

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
4. Shafik A, El-Sibai O, Shafik AA
Experimental use of the obturator internus muscle as a functioning pelvic floor muscle in dogs Eur J Surg 167:782-788.

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
5. Shafik A, Shafik AA
The ‘Uninhibited Rectum’: A cause of fecal incontinence. J Spinal Cord Med 24: 159-63.

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
6. Shafik A, El-Sibai O, Shafik AA
Study of the mechanism underlying the difference in motility between the large and small intestine: The ” Single” and ” Multiple” pacemaker theory. Front Bio Sci 6: b 1-5 (PubMed# 11401784).

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
7. Shafik A, El-Sibai O, Mostafa RM, Shafik AA
Electric activity of the rectosigmoid canal and its relation to rectal and sigmoid electric activity: An evidence of a sphincteric function of the rectosigmoid canal. Front Biosci 6: b 6-9 (Pub Med# 11532613).

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
8. Shafik A, Wahdan MM, Shafik AA
The ileocaecal valve in man: Anatomical, Radiological and Endoscopic studies with special references to its antireflux mechanism. The Egyptian Anatomical Society 24(1) :279-304.

PUBLISHED IN2001 JOURNALPubMedSPECIALTYProctology
9. Ali YA, Shafik AA
Posterior Rectocele: A Study and Evaluation. Egypt J Surg 20: 437-442.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
10. El Sibai O, Shafik AA.
Cauterization – Plication Operation in the Treatment of Complete Rectal Prolapse, Tech Coloproctol 6:51-54.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
11. Ali YA, Shafik AA
A Study of Rectal Motility: The Normal Pattern of Rectal Evacuation. Kasr E Ani J Surg 3:41-48.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
12. Shafik A, El-Sibai O, Shafik AA
A novel method for preventing postoperative adhesions in the rat model. J Gynecologic Surg. 18: 65-68.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
13. Shafik A, Shafik AA, I Ahmed
Role of longitudinal smooth muscle coat in the ileal motile activity: evidence of ileo-ileal inhibitory reflex. J Gastroenterol Hepatol 17:1267-1271.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
14. Shafik A, El-Sibai O, Shafik AA
Physiological assessment of the function of the ileocecal junction with evidence of ileocecal junction reflexes. Med Sci Monit 8:CR629-635 PMID: 12218944.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
15. Shafik A, Mostafa RM, ShafikAA, El-Sibai O
Study of the effect of straining on the bulbocavernosus muscle with evidence of a straining-bulbocavernosus reflex and its clinical significance. Int Urogynecol J. 13: 294-298

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
16. Shafik A, Mostafa RM, Shafik AA
Electrophysiological study of the rectosigmoid canal: Evidence of a rectosigmoid sphincter. J Anat 200: 517-521.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
17. Shafik A, El-Sibai O, Shafik AA
Electrophysiologic identification of the location of the colonic pacemakers. A human study. Front in Boisci 7: b1-5 PubMed# 11815299.

PUBLISHED IN2002 JOURNALPubMedSPECIALTYProctology
18. Shafik A, El-Sibai O, Shafik AA, Shafik IA
The Motor Efficacy of the Artifical Colonic Pacemaker in Colonic Inertia Patients. Front Biosci 7: b6-13 PubMed#12045022.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
19. Shafik A, Shafik AA, Shafik IA
Effect of Colonic Distension on Ileal Motor Activity with Evidence of Coloileal Reflex. J Gastrointest Surg 7(5):701-705.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
20. Shafik A, El-Sibai O, Shafik AA
Study of the effect of jejuno-ileal distension on the motor activity of the stomach with evidence of ‘entero-gastric Inhibitory reflex’. Hepatogastroenterology 50: 1966-1969.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
21. Shafik A, Mostafa RM, Shafik AA, Ahmed I
Study of the functional activity of the cecocolonic junction with identification of a “Physiologic sphincter�? “cecocolonic inhibitory reflex” and ”colocecal excitatory reflex�? Surg Radiol Anat 25: 16-20

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
22. Shafik A, Shafik AA, El-Sibai O, Ali YA
Videodefecography: a study of the rectal motile pattern Surg Radiol Anat 25: 139-144.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
23. Shafik A, Shafik AA, El-Sibai O, Mostafa RM
Electric Activity of the Colon in Subjects With Constipation Due to Total Colonic Inertia: An Electrophysiologic Study. Arch Surg 138:1007-1011.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
24. Shafik A, Shafik AA, El-Sibai O, Ahmed I
Electrophysiologic Identification of the Location of the Colonic Pacemakers in Humans. Further Study. J Invest Surg 16: 289-297

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
25. Shafik A, El-Sibai O, Shafik AA, Shafik IA
Colosigmoid junction: A study of its functional activity with identification of a physiologic sphincter and involvement in reflex actions. J Invest Surg 16: 29-34.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
26. Shafik A, El-Sibai O, Shafik AA, Shafik IA
Colonic pacing in patients with constipation due to colonic inertia. Med Sci Monit 9(5):191-196.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
27. Shafik A, Shafik AA, Ahmed I
Role of positive anorectal feedback in rectal evacuation: the concept of a second defecation reflex: the anorectal. J Spinal Cord Med 26:380-383.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
28. Shafik A, El-Sibai O, Shafik AA, Shafik IA
Role of the Sympathetic Innervation in the Defecation Mechanism: A Novel Concept of its Function. J Spinal Cord Medic 26(2):150-152.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
29. Shafik A, Shafik AA, El-Sibai O, Ahmed I
Study of the role of the second defecation reflex: Anorectal excitatory reflex in the pathogenesis of constipation. J Am Coll Surg 196:729-734.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
30. Shafik A, El-Sibai O,Shafik AA, Ahmed I
On the pathogenesis of rectocele: the concept of the rectovaginal pressure gradient. Int Urogyne J 14:310-315.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
31. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Colonic pacing in the treatment of patients with irritable bowel syndrome: Technique and results. Front in Boisci 8: b1-5.

PUBLISHED IN2003 JOURNALPubMedSPECIALTYProctology
32. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Effect of Straining on Perineal Muscles and Their Role in Perineal Support: Identification of the Straining-Perineal Reflex. J Surg Res 112:162-167.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
33. Shafik A, Shafik AA, El-Sibai O, Ahmed I
Colonic pacing: A therapeutic option for the treatment of constipation due to total colonic inertia. Arch Surg 139: 775-779.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
34. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Electric activity of the colon in the irritable bowel syndrome: The “tachyarrhythmic�? electric pattern. J Gastroent Hepato 19:205-210.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
35. Shafik A, Shafik AA, El-Sibai O, Ahmed I
Treatment of irritable bowel syndrome with colonic pacing: Evaluation of pacing parameters required for correction of the “tachyarrhythmia�?of the IBS. Hepato-gastroenterology 51: 1708-1712.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
36. Shafik A, Ahmed I, Shafik AA, El-Sibai O
Electric activity of the gut in ulcerative colitis and Crohn’s disease: Electromyography as a tool for differentiating between the two conditions in the early stage. Med Sci Monit 10: 572-576.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
37. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Objective�?nbsp; assessment of rectal sensation: A novel approach. Front in Biosci 9: 159-163.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
38. Shafik A, Ahmed I, Shafik AA, El-Sibai O
Diverticular disease: Electrophysiologic study and a new concept of pathogenesis. World J Surg 28: 411-415.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
39. Shafik A, El Sibai O, Ahmed I, Shafik AA
Identification of interstitial cells of Cajal in the human rectum. Front Biosci 9:2848-2851.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYProctology
40. Shafik A, Mostafa RM, El-Sibai O, Shafik IA
Electromotor activity of the cecum and ascending colon: The concept of “individual pacemakers”. Eur Surg Res 36: 308-312.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
41. Shafik A, El-Sibai O, Ahmed I, Shafik AA
Perineal Rectocele: Perinocele A cause of constipation. pathogeneses, clinical presentation and treatment. J Pelvic Med & Surg 11: 199-207.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
42. Shafik A, Ahmed I, Shafik AA, El-Ghamrawy TA. El-Sibai O
Surgical anatomy of the perineal muscles and their role in perineal disorders. Anat Sci Int 80: 167-171.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
43. Shafik A, Ahmed I, El-Sibai O, Shafik AA, Mostafa R
Study of the rectal electric activity of the uninhibited rectal detrusor (overactive rectum): a new concept of pathogenesis. J Spinal Cord Med 28: 64-68.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
44. Shafik A, El-Sibai O, Shafik I, Shafik AA
Identification of the location of the colonic pacemaker : a histologic study. Frontiers in Biosc 10: 1661-1665.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYProctology
45. Shafik A, Shafik AA, El-Sibai O, Shafik I
Effect of warming on the rectal motile activity: identification of rectal warming reflex. J Surg Res 130: 34-37.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
46. Shafik A, Shafik AA ,El Sibai O, Ahmed I, Mostafa RM
Role of the Rectosigmoidal junction in fecal continence: Concept of the primary continent mechanism. Arch of Surg 141:23-26.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
47. Shafik A, Mostafa RM, Shafik I, El Sibai O, Shafik AA
The Functional activity of the rectum: A conduit organ, a storage organ, or both? W J Gastro 12: 4549-4552.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
48. Shafik A, Shafik AA, El-Sibai O, Shafik I
Interstitial Cell of Cajal in Patients with Constipation due to Total Colonic Inertia. J Invest Surg 19: 147-153.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
49. Shafik A, Shafik AA, Ahmed I, El-Sibai O
Study of the role of the transverse perineal muscleus during rectal filling. Int J Colorectal Dis 21: 698-704.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
50. Shafik A, Shafik I, El-Sibai O, Shafik AA
Detection of predefecatory rectosigmoid wave activity for prevention of fecal soiling in infants. Front Biosience 11: 3096-3099.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
51. Shafik A, Shafik I, El-Sibai O, Shafik AA
Effect of straining on the muscles of the anterior abdominal wall. identification of the ‘straining-abdominal wall reflex’ Front Biosci 11: 2174-2178.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYProctology
52. Shafik A, Shafik I, El-Sibai O, Shafik AA
The ‘‘Opening Time’�?and ‘‘Pelvic Floor Electromyographic Lag Time’�? Two Novel Tools in the Assessment of the Anorectal Evacuation Time. J Invest Surg. 19: 307-311.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
53. Shafik A, El-Sibai O, Shafik I, Shafik AA
Effect Of Cooling On The Rectal Tone. Eur Surg Res 39: 291-295.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
54. Shafik A, El-Sibai O, Shafik I, Shafik AA
Rectal cooling test in the differentiation between constipation due to rectal inertia and anismus. Tech Coloproctol 11: 39-43.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
55. Shafik A, El-Sibai O, Ahmed I, Shafik AA
Role of sacral ligament clamp in the pudendal neuropathy (pudendal canal syndrome): Results of clamp release. Int Surg 92: 54-59.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
56. Shafik A, El-Sibai O, Shafik I, Shafik AA
Stress, urge and mixed types of partial fecal incontinence: pathogenesis, clinical presentation, and treatment. Am Surg 73: 6-9.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
57. Shafik A, El-Sibai O, Shafik I, Shafik AA
Electromyographic lag time and opening time: two novel non-invosive method to investigate patients with anal outlet obstruction and their response to treatment. J Invest Surg 20: 307-311.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYProctology
58. Shafik A, Shafik I, El-Sibai O, Shafik AA
Electromyographic activity of the anterolateral abdominal wall muscles during rectal filling and evacuation. J Surg Res 143: 364-367.

PUBLISHED IN2010 JOURNALPubMedSPECIALTYProctology
59. Shafik AA, Shafik A, Soheir A, Mohamed W
A Study of an AnatomicPhysiological Cecocolonic Sphincter in Humans. Clin. Anat. 23:851-861.

PUBLISHED IN2010 JOURNALPubMedSPECIALTYProctology
60. Maolin G., Chunfang G., Dawei L., Weiya G., Shafik AA., Andrew PZ., Mario P.
MRI Anatomy of the Anal Region. Dis. Colo. Rect. 53:1542-1548

Urology

Urology Publications

PUBLISHED IN2003 JOURNALPubMedSPECIALTYUrology
1. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Role of positive urethrovesical feedback in vesical evacuation. The concept of a second micturition reflex: The urethrovesical reflex. World J Urol 21: 167-170.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
2. Shafik A, El-Sibai O, Ahmed I, Shafik AA
Effect of vesical contraction on the non-sphincteric part of the urethra: Recognition of vesicourethral inhibitory reflex. Int J Urol 11:213-217.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
3. Shafik A, El-Sibai O, Shafik AA, Ahmed I
Do vesical and voided urine have Identical composition? Scand J Urol Nephro 38: 243-246.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
4. Shafik A, El-Sibai O, Shafik AA, Ahmed I
The electrovesicogram in the overactive bladder: role in determining pathogenesis and diagnostic significance. Urological Research 32: 290-293.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
5. Shafik A, El Sibai O, Shafik AA, Ahmed I, Mostafa RM
Vesical pacing: Pacing parameters required for normalization of vesical electic activity in patients with overactive bladder. Frontiers in Bioscience 9:995-999.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
6. Shafik A, Ahmed I, El Sibai O, Shafik AA, Mostafa RM
Vesical pacing in patients with overactive bladder: Technique and results. Int Urol & Nephrol 36: 29-34.

PUBLISHED IN2004 JOURNALPubMedSPECIALTYUrology
7. Shafik A, El Sibai O, Mostafa MY, Shafik AA, Shafik AI
Identification of the interstitial cells of Cajal in the human urinary bladder: The concept of vesical pacemaker. Urology 64: 809-813.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYUrology
8. Shafik A, Shafik AI, El Sibai O, Shafik AA
Effect of micturition on the external anal sphincter. Identification of the urethra-anal reflex. J Spinal Cord Med 28: 421-425.

PUBLISHED IN2005 JOURNALPubMedSPECIALTYUrology
9. Shafik A, Shafik AI, El Sibai O, Shafik AA
Changes in the urine composition during its passage through the ureter. A concept of urothelial function. Urol Res 33: 426-428.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYUrology
10. Shafik A, Shafik AI, El Sibai O, Shafik AA
Does the composition of voided urine reflect that of the renal pelvis? Urol Res 34: 261-264.

PUBLISHED IN2006 JOURNALPubMedSPECIALTYUrology
11. Shafik A, Shafik AI, El Sibai O, Shafik AA
Role of the perineal muscles in micturition. Identification of the vesico–perineal reflex. J Pelvic Med Surg 12: 19-24.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYUrology
12. Shafik A, El Sibai O, Shafik AI, Shafik AA
Electromyographic activity of the anterolateral abdominal wall muscles during the vesical filling and evacuation J Reas Med Sci 12: 74-79.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYUrology
13. Shafik A, Shafik AI, El Sibai O, Shafik AA
Effect of urethral stimulation on vesical contractile activity. Am J Med Sci. 334: 240-243.

PUBLISHED IN2007 JOURNALPubMedSPECIALTYUrology
14. Shafik A, Shafik AA, Shafik AI, El Sibai O
Effect of rectal distension on vesical motor activity in humans: the identification of the recto-vesicourethral reflex. The J Spin Cord Med 30: 36-39.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYUrology
15. Shafik A, Shafik AI, El Sibai O, Shafik AA
The anterolateral abdominal wall muscles during vesical filling and evacuation: Electromyographic study Urology 71: 621-624.

PUBLISHED IN2008 JOURNALPubMedSPECIALTYUrology
16. Shafik A, Shafik AI, El Sibai O, Shafik AA
The electromyographic activity of the external and internal urethral sphincters and urinary bladder on vaginal distension and its role in preventing vaginal soiling with urine during sexual intercourse. Arch Gynecol Obstet 277: 213-217.