A specially designed instrument is needed in neurogastroenterology research since the gut wall has an outstanding capacity to expand and contract spontaneously and by reflex. When this occurs, a balloon placed anywhere in the gut has to be inflated or deflated very rapidly in order to maintain a constant pressure in this balloon.
Computer-driven barostats have widely been used to assess sensation and pain thresholds in the gut. Assessment of pain thresholds in the ampulla recti has been proposed as diagnostic measure in irritable bowel syndrome.[8][9]
Jerzy Leszczynski (1 December 2011). Handbook of Computational Chemistry. Springer Science & Business Media. pp.224–. ISBN978-94-007-0710-8. Barostat Many of the approaches used for controlling the pressure are similar to those that are used for controlling the temperature. One approach is to maintain constant pressure by coupling the system to a constant pressure ...
Kenneth William Hinchcliff; Andris J. Kaneps; Raymond J. Geor (2008). Equine Exercise Physiology: The Science of Exercise in the Athletic Horse. Elsevier Health Sciences. pp.427–. ISBN0-7020-2857-6. The principle of the barostat is to maintain a constant pressure within a plastic bag of infinite compliance, positioned within the lumen of the segment to be studied. When the internal pressure of the organ increases for any reason (for example, ...
Anton Emmanuel; Eamonn M. M. Quigley (10 April 2013). Irritable Bowel Syndrome: Diagnosis and Clinical Management. Wiley. pp.237–. ISBN978-1-118-44474-0. The barostat is as instrument initially developed in our laboratory for measuring variations in gastric tone [28, 29]. ... With the tensostat it is possible to exert constant wall tension at predetermined levels and, consequently, conscious perception ...
Marvin Meier Schuster; Michael D. Crowell; Kenneth L. Koch (2002). Schuster Atlas of Gastrointestinal Motility in Health and Disease. PMPH-USA. pp.92–. ISBN978-1-55009-104-5. Nifedipine has been studied using both standard balloon distention and barostat testing and has not been found to reliably ... Esophageal barostat experiments were able to measure a difference in tone between the smooth and striated ...
Donato F. Altomare; Filippo Pucciani (8 March 2008). Rectal Prolapse: Diagnosis and Clinical Management. Springer Science & Business Media. pp.150–. ISBN978-88-470-0684-3. This finding is in agreement with results of classic rectopexy and reflects the importance of preserving the rectal ampulla. ... A subgroup of patients underwent extensive manometry and rectal barostat to evaluate remaining anorectal function.
Scott M. Fishman (29 March 2012). Bonica's Management of Pain. Lippincott Williams & Wilkins. pp.888–. ISBN978-1-4511-6140-3. This modality has been used extensively in studies of various functional bowel disorders, most notably irritable bowel syndrome, functional dyspep- sia, and NCCP. More than 40 years ago, intraesophageal balloon distension in humans was reported ... The introduction of the electronic barostat, a computer-driven ...
Michael Camilleri; Robin C. Spiller (2002). Irritable Bowel Syndrome: Diagnosis and Treatment. W.B. Saunders. pp.72–. ISBN978-0-7020-2655-3. Evidence of ... increasing increments of pressure (delivered by a computer controlled pump, the barostat) until the patient first reports ...
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