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1

Effect of straining on perineal muscles and their role in perineal support: identification of the straining-perineal reflex

Ahmed Shafik, Olfat El-Sibai, Ali A Shafik, Ismail Ahmed

Journal:

Journal of Surgical Research

Year:

2003

Language:

english

File:

PDF, 167 KB

english, 2003

2

Effect of Perineal Compression on Vesical Motor Activity

Shafik, Ahmed, El-Sibai, Olfat, Ahmed, Ismail

Journal:

Scandinavian Journal of Urology and Nephrology

Year:

2003

Language:

english

File:

PDF, 212 KB

english, 2003

3

Surgical anatomy of the perineal muscles and their role in perineal disorders

Ahmed Shafik, Ismail Ahmed, Ali A. Shafik, Tarek A. El-Ghamrawy, Olfat El-Sibai

Journal:

Anatomical Science International

Year:

2005

Language:

english

File:

PDF, 253 KB

english, 2005

4

Effect of Rectal Distension on Vesical Motor Activity in Humans: The Identification of the Recto-Vesicourethral Reflex

Shafik, Ahmed, Shafik, Ismail, El-Sibai, Olfat

Journal:

Journal of Spinal Cord Medicine

Year:

2007

Language:

english

File:

PDF, 7.34 MB

english, 2007

5

Parasympathetic extrinsic reflex: Role in defecation mechanism

Ahmed Shafik, Olfat El-Sibai, Ismail Ahmed

Journal:

World Journal of Surgery

Year:

2002

Language:

english

File:

PDF, 678 KB

english, 2002

6

Study of the role of the transverse perineal muscles during rectal filling

Ahmed Shafik, Ali A. Shafik, Ismail Shafik, Olfat El-Sibai

Journal:

International Journal of Colorectal Disease

Year:

2006

Language:

english

File:

PDF, 165 KB

english, 2006

7

Effect of Perineal Compression on the Rectal Tone

Ahmed Shafik, Ismail Ahmed, Olfat El-Sibai

Journal:

Diseases of the Colon & Rectum

Year:

2003

Language:

english

File:

PDF, 201 KB

english, 2003

8

Electric activity of the colon in irritable bowel syndrome: The ‘tachyarrhythmic’ electric pattern

AHMED SHAFIK, OLFAT EL-SIBAI, ALI A SHAFIK, ISMAIL AHMED

Journal:

Journal of Gastroenterology and Hepatology

Year:

2004

Language:

english

File:

PDF, 209 KB

english, 2004

9

Study of the role of the second defecation reflex: anorectal excitatory reflex in the pathogenesis of constipation

Ahmed Shafik, Ali A Shafik, Olfat El-Sibai, Ismail Ahmed

Journal:

Journal of the American College of Surgeons

Year:

2003

Language:

english

File:

PDF, 120 KB

english, 2003

10

Rectal Pacing: Pacing Parameters Required for Rectal Evacuation of Normal and Constipated Subjects

Ahmed Shafik, Olfat El-Sibai

Journal:

Journal of Surgical Research

Year:

2000

Language:

english

File:

PDF, 103 KB

english, 2000

11

On the Mechanism of Colonic Motility: The Electric Activation Theory of Colonic Contraction

Ahmed Shafik, Olfat El-Sibai, Ismail Ahmed

Journal:

Journal of Surgical Research

Year:

2002

Language:

english

File:

PDF, 362 KB

english, 2002

12

EFFECT OF VAGINAL DISTENTION ON VESICOURETHRAL FUNCTION WITH IDENTIFICATION OF THE VAGINO-VESICOURETHRAL REFLEX

SHAFIK, AHMED, EL-SIBAI, OLFAT

Journal:

The Journal of Urology

Year:

2001

Language:

english

File:

PDF, 368 KB

english, 2001

13

Colosigmoid Junction: A Study of Its Functional Activity With Identification of a Physiologic Sphincter and Involvement in Reflex Actions

Shafik, Ahmed, Shafik, Ali A., El-Sibai, Olfat, Ahmed, Ismail

Journal:

Journal of Investigative Surgery

Year:

2003

Language:

english

File:

PDF, 123 KB

english, 2003

14

Interstitial Cells of Cajal in Patients With Constipation due to Total Colonic Inertia

Shafik, Ahmed, Shafik, Ali A., El-Sibai, Olfat, Shafik, Ismail A.

Journal:

Journal of Investigative Surgery

Year:

2006

Language:

english

File:

PDF, 529 KB

english, 2006

15

Role of the Perineal Muscles in Micturition

Shafik, Ahmed, Shafik, Ismail, El-Sibai, Olfat, Shafik, Ali A.

Journal:

Journal of Pelvic Medicine and Surgery

Year:

2006

Language:

english

File:

PDF, 418 KB

english, 2006

16

Role of Pudendal Canal Syndrome in the Pathogenesis of Interstitial Cystitis and Its Treatment by Pudendal Canal Decompression

Shafik, Ahmed, El-Sibai, Olfat, Shafik, Ali A., Shafik, Ismail A.

Journal:

Current Urology

Year:

2008

Language:

english

File:

PDF, 289 KB

english, 2008

17

Surgical anatomy of the pudendal nerve and its clinical implications

Dr. Ahmed Shafik, Motasem El-Sherif, Adel Youssef, El-Sibai Olfat

Journal:

Clinical Anatomy

Year:

1995

Language:

english

File:

PDF, 516 KB

english, 1995

18

Electroesophagogram in gastroesophageal reflux disease with a new theory on the pathogenesis of its electric changes

Ahmed Shafik, Olfat El-Sibai, Ismail Shafik, Ali Shafik

Journal:

Year:

2004

Language:

english

File:

PDF, 567 KB

english, 2004

19

On the pathogenesis of rectocele: the concept of the rectovaginal pressure gradient

Ahmed Shafik, Olfat El-Sibai, AliA. Shafik, Ismail Ahmed

Journal:

International Urogynecology Journal

Year:

2003

Language:

english

File:

PDF, 309 KB

english, 2003

20

The electrovesicogram in the overactive bladder: role in determining pathogenesis and diagnostic significance

Ahmed Shafik, Olfat El-Sibai, Ali A. Shafik, Ismail Ahmed

Journal:

Year:

2004

Language:

english

File:

PDF, 228 KB

english, 2004

21

Role of positive urethrovesical feedback in vesical evacuation. The concept of a second micturition reflex: the urethrovesical reflex

Ahmed Shafik, Ali A Shafik, Olfat El-Sibai, Ismail Ahmed

Journal:

World Journal of Urology

Year:

2003

Language:

english

File:

PDF, 157 KB

english, 2003

22

Effect of pelvic floor muscle contraction on vesical and rectal function with identification of puborectalis-rectovesical inhibitory reflex and levator-rectovesical excitatory reflex

Ahmed Shafik, Olfat El-Sibai

Journal:

World Journal of Urology

Year:

2001

Language:

english

File:

PDF, 179 KB

english, 2001

23

Study of the effect of cervix uteri buffeting on the vaginal musculature with identification of the cervico-vaginal inhibitory reflex

Ahmed Shafik, Ismail Ahmed, Ali A. Shafik, Olfat El-Sibai

Journal:

Archives of Gynecology and Obstetrics

Year:

2004

Language:

english

File:

PDF, 279 KB

english, 2004

24

Immunohistochemical identification of the pacemaker cajal cells in the normal human vagina

Ahmed Shafik, Olfat El-Sibai, Ismail Shafik, Ali A. Shafik

Journal:

Archives of Gynecology and Obstetrics

Year:

2005

Language:

english

File:

PDF, 279 KB

english, 2005

25

Effect of vaginal distension on anorectal function: identification of the vagino-anorectal reflex

Ahmed Shafik, Ismail Shafik, Olfat El-Sibai

Journal:

Acta Obstetricia et Gynecologica Scandinavica

Year:

2005

Language:

english

File:

PDF, 230 KB

english, 2005

26

Effect of topical esophageal acidification on salivary secretion: Identification of the mechanism of action

AHMED SHAFIK, OLFAT EL-SIBAI, ALI A SHAFIK, RANDA MOSTAFA

Journal:

Journal of Gastroenterology and Hepatology

Year:

2005

Language:

english

File:

PDF, 64 KB

english, 2005

27

Effect of vesical contraction on the non-sphincteric part of the urethra: Recognition of vesicourethral inhibitory reflex

AHMED SHAFIK, ALI A SHAFIK, OLFAT EL-SIBAI, ISMAIL AHMED

Journal:

International Journal of Urology

Year:

2004

Language:

english

File:

PDF, 205 KB

english, 2004

28

Vesical pacing in patients with overactive bladder: Technique and results

Ahmed Shafik, Ismail Shafik, Olfat El-Sibai, Ali Shafik, Randa M. Mostafa

Journal:

International Urology and Nephrology

Year:

2003

Language:

english

File:

PDF, 86 KB

english, 2003

29

Experimental use of the obturator internus muscle as a functioning pelvic floor muscle in dogs

Ahmed Shafik, Olfat El-Sibai, Ali A. Shafik

Journal:

European Journal of Surgery

Year:

2001

Language:

english

File:

PDF, 991 KB

english, 2001

30

On the pathogenesis of gastroesophageal reflux: The concept of gastroesophageal dyssynergia

Ahmed Shafik, Ismail Shafik, Olfat El-Sibai, Ali A. Shafik

Journal:

The Journal of Thoracic and Cardiovascular Surgery

Year:

2005

Language:

english

File:

PDF, 387 KB

english, 2005

31

Effect of Lower Esophageal Sphincter Distension and Acidification on Esophageal Pressure and Electromyographic Activity: The Identification of the “Sphinctero-Esophageal Excitatory Reflex”

Ahmed Shafik, Ismail Shafik, Olfat El-Sibai, Randa Mostafa

Journal:

The Annals of Thoracic Surgery

Year:

2005

Language:

english

File:

PDF, 185 KB

english, 2005

32

Identification of interstitial cells of Cajal in human urinary bladder: Concept of vesical pacemaker

Ahmed Shafik, Olfat El-Sibai, Ali A. Shafik, Ismail Shafik

Journal:

Year:

2004

Language:

english

File:

PDF, 214 KB

english, 2004

33

Effect of levator ani muscle contraction on urethrovesical and anorectal pressures and role of the muscle in urination and defecation

Ahmed Shafik, Olfat El-Sibai

Journal:

Year:

2001

Language:

english

File:

PDF, 210 KB

english, 2001

34

Study of the pelvic floor muscles in vaginismus: a concept of pathogenesis

Ahmed Shafik, Olfat El-Sibai

Journal:

European Journal of Obstetrics & Gynecology and Reproductive Biology

Year:

2002

Language:

english

File:

PDF, 101 KB

english, 2002

35

Anal submucosal injection: a novel modality for the treatment of advanced rectal cancer

Ahmed Shafik, Wafaa El-Metnawy, Olfat El-Sibai

Journal:

European Journal of Surgical Oncology (EJSO)

Year:

1999

Language:

english

File:

PDF, 1.57 MB

english, 1999

36

Effect of Urethral Dilation on Vesical Motor Activity: Identification of the Urethrovesical Reflex and its Role in Voiding

SHAFIK, AHMED, EL-SIBAI, OLFAT, AHMED, ISMAIL

Journal:

The Journal of Urology

Year:

2003

Language:

english

File:

PDF, 72 KB

english, 2003

37

Physioanatomic Study of the Diaphragmatic Crura: The Identification of Autonomous “Gastroesophageal Sphincter”

Shafik, Ahmed, Shafik, Ali, El-Sibai, Olfat, Shafik, Ismail

Journal:

Journal of Investigative Surgery

Year:

2005

Language:

english

File:

PDF, 3.21 MB

english, 2005

38

Electrophysiologic Identification of the Location of the Colonic Pacemakers in Humans: Further Study

Shafik, Ahmed, Shafik, Ali A., El-Sibai, Olfat, Ahmed, Ismail

Journal:

Journal of Investigative Surgery

Year:

2003

Language:

english

File:

PDF, 175 KB

english, 2003

39

Role of the Enteric Nervous Plexus in Rectal Motile Activity: An Experimental Study

El-Sibai, Ahmed Shafik, Olfat

Journal:

Journal of Investigative Surgery

Year:

2001

Language:

english

File:

PDF, 284 KB

english, 2001

40

Effect of Rectal Distension on Rectal Electromechanical Activity

El-Sibai, Ahmed Shafik, Olfat

Journal:

Journal of Investigative Surgery

Year:

2001

Language:

english

File:

PDF, 346 KB

english, 2001

41

A Novel Method for Preventing Postoperative Adhesions in the Rat Model

Shafik, Ahmed, El-Sibai, Olfat, Shafik, Ali A.

Journal:

Journal of Gynecologic Surgery

Year:

2002

Language:

english

File:

PDF, 64 KB

english, 2002

42

Effect of Straining on the Lower Esophageal Sphincter: Identification of the “Straining-Esophageal Reflex” and Its Role in Gastroesophageal Competence Mechanism

Shafik, Ahmed, El-Sibai, Olfat, Ali, A. Shafik, Mostafa, Randa, Shafik, Ismail

Journal:

Journal of Investigative Surgery

Year:

2004

Language:

english

File:

PDF, 131 KB

english, 2004

43

Botulin Toxin in the Treatment of Nonrelaxing Puborectalis Syndrome

Shafik, Ahmed, El-Sibai, Olfat

Journal:

Digestive Surgery

Year:

1998

Language:

english

File:

PDF, 209 KB

english, 1998

44

Rectal inhibition by inferior rectal nerve stimulation in dogs: recognition of a new reflex ??? the ???voluntary anorectal inhibition reflex???

Shafik, Ahmed, El-Sibai, Olfat

Journal:

European Journal of Gastroenterology & Hepatology

Year:

2001

Language:

english

File:

PDF, 215 KB

english, 2001

45

Perineal Rectocele: A Cause of Constipation

Shafik, Ahmed, Ahmed, Ismail, El-Sibai, Olfat, Shafik, Ali A.

Journal:

Journal of Pelvic Medicine and Surgery

Year:

2005

Language:

english

File:

PDF, 554 KB

english, 2005

46

Effect of vaginal distension on anorectal function: identification of the vagino-anorectal reflex

Shafik, Ahmed, Shafik, Ismail, El-Sibai, Olfat

Journal:

Acta Obstetricia et Gynecologica Scandinavica

Year:

2005

Language:

english

File:

PDF, 420 KB

english, 2005

47

The Effect of Erection on the Dartos Muscle: An Electrophysiological Study

Shafik, Ahmed, Shafik, Ali A., El-Sibai, Olfat, Shafik, Ismail A.

Journal:

Current Urology

Year:

2007

Language:

english

File:

PDF, 652 KB

english, 2007

48

Anorectal Fistulae: Results of Treatment with Cauterization

Shafik, Ahmed, Abdel-Wahab, El-Sayed, Olfat, El-Sibai, Khalil, Abdulla

Journal:

Digestive Surgery

Year:

1994

Language:

english

File:

PDF, 810 KB

english, 1994

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