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Mesenteric duplex scanning: a blinded prospective study

G L Moneta1, R W Lee, R A Yeager

  • 1Division of Vascular Surgery, Oregon Health Sciences University, Portland 97201.

Journal of Vascular Surgery
|January 1, 1993
PubMed
Summary
This summary is machine-generated.

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Mesenteric duplex scanning accurately detects celiac artery (CA) and superior mesenteric artery (SMA) stenosis. This non-invasive method is a feasible and clinically useful screening tool for splanchnic artery stenosis.

Area of Science:

  • Vascular Surgery
  • Diagnostic Imaging
  • Medical Ultrasound

Background:

  • Previous retrospective studies suggested duplex scanning criteria for celiac artery (CA) and superior mesenteric artery (SMA) stenosis.
  • These criteria required further validation in a larger patient group.

Purpose of the Study:

  • To prospectively evaluate the feasibility and accuracy of mesenteric artery duplex scanning.
  • To validate previously proposed duplex criteria for detecting 70% or greater stenosis in the CA and SMA.

Main Methods:

  • A prospective study involving 100 patients undergoing aortography.
  • Mesenteric artery duplex scanning was performed routinely, with results blinded to aortography findings.
  • Aortography was used as the gold standard to assess CA and SMA stenosis.

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Main Results:

  • Mesenteric duplex scanning visualized 93% of SMAs and 83% of CAs.
  • For SMA stenosis (≥70%), duplex demonstrated 92% sensitivity and 96% specificity.
  • For CA stenosis (≥70%), duplex showed 87% sensitivity and 80% specificity.

Conclusions:

  • Mesenteric duplex scanning is feasible in most patients.
  • The prospective validation confirms the accuracy of duplex criteria for detecting significant SMA and CA stenosis.
  • Mesenteric duplex scanning is a clinically useful screening tool for splanchnic artery stenosis.