Digestive Diseases and Sciences

, Volume 47, Issue 6, pp 1290–1296 | Cite as

Two-Dimensional Positional Mapping of Gastrointestinal Sounds in Control and Functional Bowel Syndrome Patients

  • Brian L. Craine
  • Michael L. Silpa
  • Cynthia J. O'Toole


Computerized auscultation of the abdomen provides a noninvasive and quantitative method to investigate gastrointestinal function. Two-dimensional mapping of bowel sound sites of origin, to the surface of the abdomen, was accomplished through simultaneous recording with three electronic stethoscopes. Control, irritable bowel syndrome, and nonulcer dyspepsia groups were studied. The predominant site of fasting sound production was the right lower quadrant in all except a subgroup of nonucler dyspepsia patients. The second most common site mapped to the area of the stomach. The region mapping to the small intestine was largely devoid of sound. The control group had a higher percentage of sounds in the 184- to 248-Hz range than the functional bowel patients (P < 0.001) for sounds mapping to the stomach region. We conclude that two-dimensional mapping may have the potential to allow for the meaningful and objective categorization of groups of functional bowel patients.

gastrointestinal sounds positional mapping computerized auscultation 


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Copyright information

© Plenum Publishing Corporation 2002

Authors and Affiliations

  • Brian L. Craine
    • 1
  • Michael L. Silpa
    • 2
  • Cynthia J. O'Toole
    • 1
  1. 1.Western Research Company, Inc.TucsonUSA
  2. 2.Department of GastroenterologyAlameda County Medical Center (Highland Campus)Oakland

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