Mesenteric Ischemia: A Deadly Miss

Manpreet Singh1, Brit Long2, Alex Koyfman3

  • 1Department of Emergency Medicine, Harbor-UCLA Medical Center, David Geffen School of Medicine at UCLA, Torrance, 1000 W. Carson Street, Box 21, Torrance, CA 90502, USA.

Insights

Mesenteric ischemia, a condition with multiple causes, presents variably. Early diagnosis relies on clinical suspicion, with computed tomography angiography as the preferred imaging method.

Area of Science:

  • Gastroenterology
  • Vascular Surgery
  • Emergency Medicine

Background:

  • Mesenteric ischemia encompasses four primary etiologies: arterial embolus, arterial thrombosis, venous thrombosis, and nonocclusive causes.
  • Clinical presentation is highly variable, lacking definitive diagnostic history or physical examination findings.
  • Early symptoms may include pain disproportionate to physical findings and early satiety, progressing to peritoneal signs with transmural infarction.

Purpose of the Study:

  • To review the diagnostic challenges and optimal management strategies for mesenteric ischemia.
  • To emphasize the importance of clinical suspicion and risk factor assessment in diagnosing mesenteric ischemia.
  • To highlight the role of computed tomography angiography in diagnosis and multidisciplinary treatment approaches.

Main Methods:

  • Review of existing literature on mesenteric ischemia diagnosis and management.
  • Analysis of clinical presentations, diagnostic modalities, and treatment outcomes.
  • Emphasis on the integration of clinical assessment, imaging, and timely intervention.

Main Results:

  • No single clinical feature reliably diagnoses mesenteric ischemia.
  • Computed tomography angiography is identified as the optimal imaging modality.
  • Effective treatment necessitates surgical and interventional radiology consultation, supportive care (fluids, antibiotics), and anticoagulation.

Conclusions:

  • Physicians must maintain a high index of suspicion for mesenteric ischemia, particularly in patients with "pain out of proportion."
  • Prompt diagnosis and multidisciplinary management are critical for improving patient outcomes.
  • The physician's bedside assessment remains a crucial component in the diagnostic process.

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