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Related Experiment Videos

A new provocative test for chronic mesenteric ischemia.

S J Boley1, L J Brandt, F J Veith

  • 1Department of Surgery, Montefiore Medical Center/Albert Einstein College of Medicine, Bronx, New York.

The American Journal of Gastroenterology
|July 1, 1991
PubMed
Summary

A new test measures small bowel intramural pH to diagnose chronic mesenteric ischemia. This pH drop correlates with pain and improves after revascularization surgery.

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Area of Science:

  • Gastroenterology
  • Vascular Surgery
  • Diagnostic Medicine

Background:

  • Chronic mesenteric ischemia (CMI) is a condition affecting blood supply to the intestines.
  • Accurate diagnosis of CMI can be challenging.
  • Assessing the effectiveness of revascularization procedures is crucial for patient outcomes.

Observation:

  • A novel provocative test for CMI has been developed.
  • The test involves measuring the intramural pH (pHI) of the small bowel.
  • pHI is determined indirectly via tonometry after a test meal is introduced into the stomach.

Findings:

  • A fall in jejunal intramural pH post-meal introduction indicates CMI.
  • This pH drop showed a strong correlation with preoperative abdominal pain in a patient.

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  • Postoperative assessment revealed the absence of a pH fall after successful revascularization, confirming the procedure's efficacy.

    • Implications:

    • This tonometry-based pH measurement offers a new diagnostic tool for chronic mesenteric ischemia.
    • The test can also serve as a method for evaluating the success of surgical revascularization.
    • Further research may validate this technique for broader clinical application in diagnosing and managing CMI.