Popliteal Artery Aneurysm: Epidemiology and Modern Management

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PAA is a predominantly male disease, more than 90% of affected patients are men. Riskfactors for amputation are poor run-off, use of a synthetic graft, emergency treatment and high age. The frequency of amputation decreased over time in Sweden, which was associated with increased use of preoperative thrombolysis and fasciotomy. Thrombolysis can transform an emergent into an elective situation, and often improves out-flow. The risk of late amputation is low. Operation with a Posterior approach is associated with lower risk of late expansion, and is considered first choice of treatment when a short by-pass is sufficient. Multiple aneurysm disease is common among patients with PAA, in particular among those with bilateral PAA. All patients, irrespective of age, should be included in a life-long surveillance program. Normal arterial segments should be re-examined after three years.

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