Spontaneous peripheral arterial microembolization.

Abstract:

:Over a seven year period 52 patients having a clinical diagnosis of spontaneous peripheral arterial microembolization were identified. Sixty-one percent of patients were female, 15% were diabetic, and 73% used tobacco chronically. A striking finding was the very high incidence of associated systemic disorders such as thrombocytosis (8), polycythemia vera (3), metastatic adenocarcinoma (3), or collagen disease requiring steroid therapy (4). Forty-nine patients had significant proximal arterial lesions as the origin of their emboli. Three patients had digital ischemia as a result of increased platelet aggregation without arterial obstruction. Forty-eight patients underwent surgical therapy. Operative mortality was 4% and overall limb salvage in survivors was 96%. The clinical syndrome of arterial microembolization may result from several pathophysiologic mechanisms including cholesterol embolization from ulcerated plaques, fibrino-platelet aggregation in patients with hematologic disorders, or dislodgement of mural thrombus in those with aneurysmal disease. We observed aortoiliac disease to be more frequent than femoral-popliteal disease, and both were amenable to surgical correction. We conclude that the genesis of arterial microembolization is multifactorial and that a variety of systemic diseases may work in concert with atherosclerotic arterial disease to produce this clinical syndrome. Prompt recognition and appropriate treatment of this disorder can yield high rates of limb salvage.

journal_name

Ann Vasc Surg

authors

Katz SG,Kohl RD

doi

10.1007/BF02008789

subject

Has Abstract

pub_date

1992-07-01 00:00:00

pages

334-7

issue

4

eissn

0890-5096

issn

1615-5947

pii

S0890-5096(06)60564-5

journal_volume

6

pub_type

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