The intra-rater reliability results for duplicated Ileus were 23%, 28% and 44%, respectively. The positive predictive values for normal, small bowel obstruction and postoperative The overall sensitivity for normal, small bowel obstruction and post-operative ileus the ability of the listener to correctly recognize a duplicate recording.Ĭlinicians (n=41) were blinded and asked to indicate whether the sounds indicated normality, ileus A total of 10 recordingsįrom each group were replayed through speakers with 15 of them duplicated in order as to determine CT imaging was used as the gold standard reference point. Value and intra-rater reliability in a group of recordings from controls with normal gastrointestinalįunction (n=177), patients with small bowel obstruction (n=19) and patients with post-operative , in a prospective study investigated the sensitivity, positive predictive Therefore the results of studies that have investigated observer variation have consistently found
The same patient will also differ at different times when the patient is re-examined. Heart, which has a set rhythm and sound characteristics over time. Record exactly the same pattern of bowel sounds with exactly same amplitude, frequency, durationĪnd interval repeatedly and consistently as compared to the consistent sounds produced from the The intrinsic difficulty with the study of bowel sounds is that it is never possible to hear or Sounds is nonspecific for diagnosing bowel obstruction. Small bowel obstruction and acute large bowel obstruction concluding that auscultation of bowel They found no correlation between bowel calibre and bowel sound characteristics in both acute This was notĬonfirmed by a more recent study reported by Ching and Tang using an electronic stethoscope. Help determine the treatment regimen (conservative or operative) of each patient. Sounds of mechanical obstruction could provide a very objective assessment of severity, and could They concluded that computer analysis of bowel Of bowel sounds in intestinal obstruction. Spectral analysis of bowel sounds wasįirst described by Horn et al. To be developed for the objective analysis of bowel sounds. Advances in technology have allowed various systems
Borborygmi hyperactive bowel sounds series#
To relate the properties of a bowel sound, or series of sounds, to precise structural conditions andįunctional events within the alimentary tract. Structure and function of the stomach and intestines `. Outdated practice now superseded by readily available abdominal imaging or is they still a usefulĬlinical observation which is easily obtained with minimal discomfort to the patient.Ĭannon (1905) wrote the first systematic account of abdominal auscultation in relation to the But what is the evidence? Is listening to bowel sounds an Therefore, auscultation for bowel sounds is considered an essential part of the assessment of theĪcute abdomen and it remains common practice to listen to bowel sounds as a determinant of In the presence of peritonitis, classically in association with a perforation, the abdomenīecomes silent reflecting an absence of peristaltic activity, so called paralytic ileus. When the bowel is obstructed theyīecome high pitched or tinkling as fluid drips from one distended and tympanic loop of bowel intoĪnother. We all have them to a greater or lesser extent. The noises produced by the movement of gas and fluids during peristalsis are bowel sounds
*Corresponding author: John Macfie, Department of GeneralĬite this article as: Elhardello O, Macfie J. Short Communication Bowel Sounds: Is it Time for Surgeons to Hang-up their Stethoscopes?ġDepartment of General Surgery, Scarborough General Hospital, UKĢThe Combined Gastroenterology Research Unit, Scarborough General Hospital, UK
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