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Related Experiment Videos

Acute aortic occlusion presenting with lower limb paralysis.

A P Meagher1, R S Lord, A R Graham

  • 1Surgical Professional Unit, University of New South Wales, St. Vincent's Hospital, Sydney, Australia.

The Journal of Cardiovascular Surgery
|September 1, 1991
PubMed
Summary

Delayed diagnosis of acute aortic occlusion leads to poor outcomes. Prompt recognition and urgent revascularization are critical for survival and limb salvage in this vascular emergency.

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Area of Science:

  • Vascular Surgery
  • Emergency Medicine
  • Diagnostic Imaging

Background:

  • Acute aortic occlusion is a rare but life-threatening vascular emergency.
  • Prompt diagnosis and intervention are crucial for patient outcomes.

Observation:

  • Eight patients presented with acute aortic occlusion over two years, with seven experiencing poor outcomes.
  • A mean delay of 24 hours from presentation to diagnosis and 13 hours from diagnosis to revascularization contributed to adverse outcomes.
  • Paralysis on presentation often misled clinicians, despite clear signs of acute ischemia.

Findings:

  • Failure to diagnose promptly was the primary cause of poor outcomes.
  • Causes included atherosclerotic thrombosis, aneurysm thrombosis, and embolism (associated with heparin-induced thrombocytopenia syndrome).

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  • Outcomes included death (5), paraplegia (1), amputation (1), and one uncomplicated recovery.

    • Implications:

    • Acute aortic occlusion requires immediate recognition and surgical intervention, similar to aortic rupture.
    • Minimizing delays in diagnosis and revascularization is essential for improving patient survival and functional recovery.
    • Clinical awareness of misleading symptoms like paralysis is vital for timely diagnosis.