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Related Experiment Videos

Mesenteric ischemia. Acute arterial syndromes

T A Schneider1, W E Longo, T Ure

  • 1Department of Surgery, St. Louis University School of Medicine, Missouri.

Diseases of the Colon and Rectum
|November 1, 1994
PubMed
Summary

Acute mesenteric ischemia, a rare gastrointestinal illness, requires high suspicion for early diagnosis. Prompt treatment involving angiography, surgery, or medication significantly impacts survival rates, with necrosis leading to high mortality.

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Area of Science:

  • Gastroenterology
  • Vascular Surgery
  • Diagnostic Imaging

Background:

  • Acute mesenteric ischemia (AMI) accounts for 1-2% of gastrointestinal illnesses.
  • Causes include arterial embolism, thrombosis, and nonocclusive mesenteric insufficiency.
  • Classic symptoms are not always present, complicating early diagnosis.

Purpose of the Study:

  • To outline the diagnostic and therapeutic strategies for acute arterial mesenteric ischemia.
  • To emphasize the importance of early diagnosis and prompt intervention.

Main Methods:

  • Review of diagnostic modalities including angiography, serum markers, and plain films.
  • Description of surgical interventions like laparotomy and aortomesenteric bypass.
  • Discussion of pharmacologic management (e.g., papaverine) and methods for assessing intestinal viability (Doppler, dyes, oximetry).

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Main Results:

  • Angiography is crucial for diagnosis and surgical planning.
  • Treatment involves re-establishing visceral perfusion followed by resection of nonviable bowel.
  • Pharmacologic therapy is primary for nonocclusive ischemia, with surgery reserved for deterioration.

Conclusions:

  • Early diagnosis and rapid treatment are critical for improving survival in AMI.
  • High index of suspicion is essential despite non-specific clinical and imaging findings.
  • Mortality is high (80-95%) in cases of bowel necrosis, underscoring the need for timely intervention.