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Acute limb ischemia.

J Dormandy1, L Heeck, S Vig

  • 1Department of Vascular Surgery, St George's Hospital Medical School, London, England, United Kingdom.

Seminars in Vascular Surgery
|April 25, 2000
PubMed
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Acute limb ischemia (ALI) affects 14 per 100,000 people, with high amputation and mortality rates. Despite advances, outcomes for ALI patients remain poor, highlighting underlying disease severity.

Area of Science:

  • Vascular Surgery
  • Emergency Medicine
  • Cardiology

Background:

  • Acute limb ischemia (ALI) is a significant vascular emergency with an estimated incidence of 14 per 100,000.
  • ALI accounts for 10-16% of vascular surgical workload, with increasing referrals due to surgical options.
  • Distinguishing between embolic and thrombotic causes is often challenging, occurring in 10-15% of cases.

Purpose of the Study:

  • To review the incidence, causes, and management challenges of acute limb ischemia.
  • To highlight the persistent poor short-term outcomes in ALI patients despite therapeutic advancements.
  • To discuss the implications of underlying comorbidities on ALI prognosis.

Main Methods:

  • Literature review on the epidemiology and clinical presentation of ALI.

Related Experiment Videos

  • Analysis of the impact of interventions like thrombolysis and Fogarty catheter on ALI outcomes.
  • Examination of mortality and amputation rates associated with different ALI etiologies.

    • Main Results:

    • Short-term outcomes for ALI remain severe, with 30-day amputation rates of 10-30% and mortality around 15%.
    • Embolic ALI is associated with higher mortality due to cardiac comorbidities, while thrombotic ALI carries a greater risk of limb loss.
    • Despite advancements, overall mortality rates for acute ischemia have not significantly improved over two decades.

    Conclusions:

    • Acute limb ischemia presents a persistent challenge with high rates of limb loss and mortality.
    • The severity of underlying conditions in high-risk ALI patients contributes to the lack of dramatic improvement in intervention outcomes.
    • Further research and improved management strategies are needed to address the poor prognosis of ALI.