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Spontaneous peripheral arterial microembolization.

S G Katz1, R D Kohl

  • 1Department of Vascular Surgery, Huntington Memorial Hospital, Pasadena, California.

Annals of Vascular Surgery
|July 1, 1992
PubMed
Summary
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Spontaneous peripheral arterial microembolization is often linked to systemic diseases and atherosclerosis. Early diagnosis and surgical intervention lead to high limb salvage rates.

Area of Science:

  • Vascular Surgery
  • Cardiovascular Medicine
  • Hematology

Background:

  • Spontaneous peripheral arterial microembolization is a complex clinical syndrome.
  • It presents diagnostic and therapeutic challenges due to multifactorial causes.

Purpose of the Study:

  • To identify the underlying causes and associated conditions of peripheral arterial microembolization.
  • To evaluate the outcomes of surgical management for this condition.

Main Methods:

  • Retrospective review of 52 patients diagnosed with spontaneous peripheral arterial microembolization over seven years.
  • Analysis of patient demographics, comorbidities, arterial lesion origins, and treatment outcomes.

Main Results:

  • High incidence of female patients (61%), diabetes (15%), and chronic tobacco use (73%).

Related Experiment Videos

  • Frequent association with systemic disorders including thrombocytosis, polycythemia vera, metastatic adenocarcinoma, and collagen diseases.
  • Proximal arterial lesions were common origins (49 patients); 3 patients had ischemia from platelet aggregation.
  • Surgical therapy in 48 patients yielded a 4% operative mortality and 96% limb salvage rate.

    • Conclusions:

    • Arterial microembolization is multifactorial, involving cholesterol emboli, platelet aggregation, or thrombus dislodgement.
    • Aortoiliac disease was more prevalent than femoral-popliteal disease, both treatable surgically.
    • Prompt recognition and treatment are crucial for successful limb salvage.