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Oesophageal Sphincters: Upper Oesophageal Sphincter and Lower Oesophageal Sphincter
2020The function of the oesophagus is to transport swallowed food and liquid from the mouth to the stomach. This unidirectional movement occurs even if you swallow food when in an inverted position or in a zero gravity environment in outer space.
Hwee Ming Cheng +2 more
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2015
First described in 1950 by Hynes for patients with velopharyngeal insufficiency following cleft palate repair, the sphincter pharyngoplasty is a frequently used procedure for treating velopharyngeal insufficiency that rivals the pharyngeal flap in some centers as the most frequently used procedure.
Nikhila, Raol, Christopher J, Hartnick
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First described in 1950 by Hynes for patients with velopharyngeal insufficiency following cleft palate repair, the sphincter pharyngoplasty is a frequently used procedure for treating velopharyngeal insufficiency that rivals the pharyngeal flap in some centers as the most frequently used procedure.
Nikhila, Raol, Christopher J, Hartnick
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Clinics in Plastic Surgery, 1985
A modified version of sphincter pharyngoplasty, based on the work of Hynes and especially Orticochea, is described. The main benefit accruing from this technique is a scar-free sphincter mechanism in the correct position and therefore, it is hoped, with more physiologic function.
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A modified version of sphincter pharyngoplasty, based on the work of Hynes and especially Orticochea, is described. The main benefit accruing from this technique is a scar-free sphincter mechanism in the correct position and therefore, it is hoped, with more physiologic function.
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European Urology, 1985
41 cases of postoperative male urinary incontinence were treated by implantation of the AMS artificial sphincter (model AS 800) with a success rate of 92.7%, using a modified bulbar implantation technique. The operative technique is described and the complication and revision rates discussed.
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41 cases of postoperative male urinary incontinence were treated by implantation of the AMS artificial sphincter (model AS 800) with a success rate of 92.7%, using a modified bulbar implantation technique. The operative technique is described and the complication and revision rates discussed.
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Diseases of the Colon & Rectum, 1996
This study was undertaken to evaluate the use of a fully implanted artificial anal sphincter for management of severe fecal incontinence.An artificial anal sphincter was implanted in 12 patients who failed conventional management for severe fecal incontinence. Careful patient follow-up was recorded during a mean 58-month follow-up.
W D, Wong +3 more
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This study was undertaken to evaluate the use of a fully implanted artificial anal sphincter for management of severe fecal incontinence.An artificial anal sphincter was implanted in 12 patients who failed conventional management for severe fecal incontinence. Careful patient follow-up was recorded during a mean 58-month follow-up.
W D, Wong +3 more
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Detrusor-Sphincter Dyssynergia
Veterinary Clinics of North America: Small Animal Practice, 1996Detrusor-sphincter dyssynergia refers to failure of the urethral sphincter to relax during detrusor contraction. The cause is a central nervous system lesion located between the brain stem micturition center and the sacral spinal cord. This is an extremely rare condition in cats.
J A, Barsanti +5 more
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The Pharyngoesophageal Sphincter
Radiology, 1967Valsalva in 1717 was the first to name the inferior portion of the inferior constrictor muscle of the hypopharynx the cricopharyngeus muscle (1). Home in 1823, according to Lerche (2), was the first to regard the lower fibers of the cricopharyngeus as the constrictor of the upper end of the esophagus.
C, Zaino +3 more
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Gastrointestinal Endoscopy, 1996
Endosonographic examination of anal sphincters is difficult with water-filled balloon systems because they distort the anatomy of the sphincters. A noncompliant system with parallel walls is preferred, such as the plastic hard cone 1.7 cm in outer diameter (Fig. 1) for the 1850 rectal endoprobe of the B&K Medical System, model 3535, with 10 MHz crystal
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Endosonographic examination of anal sphincters is difficult with water-filled balloon systems because they distort the anatomy of the sphincters. A noncompliant system with parallel walls is preferred, such as the plastic hard cone 1.7 cm in outer diameter (Fig. 1) for the 1850 rectal endoprobe of the B&K Medical System, model 3535, with 10 MHz crystal
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Surgical Clinics of North America, 1980
Injury of the sphincter mechanism that is caused by trauma may be repaired if the operation is carried out without prolonged delay and if sufficient residual sphincter remains. Successful surgical reconstruction requires thorough preoperative evaluation, fastidious preoperative preparation, meticulous surgical technique, and vigorous postoperative ...
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Injury of the sphincter mechanism that is caused by trauma may be repaired if the operation is carried out without prolonged delay and if sufficient residual sphincter remains. Successful surgical reconstruction requires thorough preoperative evaluation, fastidious preoperative preparation, meticulous surgical technique, and vigorous postoperative ...
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Neurogastroenterology & Motility, 2005
Abstract  The human ileocolonic sphincter (ICS) develops a sustained tone mainly due to propagated and not propagated phasic motor activity. The ileocaecocolonic segment is also able to behave, yet uncommonly, as a synchronized segment involving propagated contractions originating from the ileum and migrating to the proximal colon.
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Abstract  The human ileocolonic sphincter (ICS) develops a sustained tone mainly due to propagated and not propagated phasic motor activity. The ileocaecocolonic segment is also able to behave, yet uncommonly, as a synchronized segment involving propagated contractions originating from the ileum and migrating to the proximal colon.
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