Flatus-related colorectal and anal motor events

Digestive Diseases and Sciences
G BassottiA Morelli

Abstract

Although complaints of excessive "gas" symptoms are frequently encountered in clinical practice, the physiologic and pathophysiologic grounds of flatus events are poorly understood, partly because of the social taboos associated with the topic and partly because of technical difficulties in measuring flatus. For these reasons, we studied the colorectal and anal motor events occurring during artificially evoked flatus events and compared them to those that occurred spontaneously. Five healthy male volunteers were studied by multilumen probes placed in the left colon and rectum and across the anal canal, to observe the flatus-related motor events that occurred after instillation of air into the colon. Flatus-related spontaneously occurring motor events were also checked in 24-hr motility tracings obtained in three patients with functional bowel disorders. Analysis of the tracings showed that both artificially induced and spontaneously occurring flatus-related motor phenomena were characterized by colonic propagated contractions associated with a rise in rectal pressure and early relaxation of the anal sphincter, in a sequence resembling that observed following swallowing. Spontaneous flatus events were associated with colonic wav...Continue Reading

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Citations

May 18, 2001·Diseases of the Colon and Rectum·A MularczykG Basilisco
Apr 17, 2001·Digestive and Liver Disease : Official Journal of the Italian Society of Gastroenterology and the Italian Association for the Study of the Liver·G BassottiM Tonini
Jul 24, 2007·Best Practice & Research. Clinical Gastroenterology·William L Hasler
Feb 7, 2007·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·F AzpirozR C Spiller
Sep 12, 2006·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·F TremolaterraJ-R Malagelada
Aug 28, 1998·Gastroenterology·J SerraJ R Malagelada
Sep 7, 2005·Gastroenterology·Fernando Azpiroz, Juan-R Malagelada
Sep 26, 2003·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·S M Scott
Dec 9, 2017·Surgical and Radiologic Anatomy : SRA·Damien MassalouNicolas Bronsard
Jul 4, 2001·European Journal of Gastroenterology & Hepatology·G Bassotti, M Fratini
Oct 6, 2018·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·Palittiya SintusekKeith J Lindley
Jul 16, 1999·The American Journal of Gastroenterology·G BassottiC R Bilder
Mar 10, 2000·The American Journal of Gastroenterology·A Malcolm, M Camilleri
Apr 12, 2006·European Journal of Gastroenterology & Hepatology·Gabrio BassottiAntonio Morelli
Aug 11, 2006·American Journal of Physiology. Gastrointestinal and Liver Physiology·Sutep GonlachanvitWilliam L Hasler
Mar 31, 2012·American Journal of Physiology. Gastrointestinal and Liver Physiology·L ShimJ E Kellow
May 11, 2005·World Journal of Gastroenterology : WJG·Gabrio BassottiAntonio Morelli
Nov 12, 2020·American Journal of Physiology. Gastrointestinal and Liver Physiology·Gabrio Bassotti
Jun 3, 2021·Neurogastroenterology and Motility : the Official Journal of the European Gastrointestinal Motility Society·Paul T HeitmannPhil G Dinning

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