Nonatherosclerotic Conditions

Functional Popliteal Entrapment Syndrome in the Sportsperson

Lane R, Nguyen T, Cuzzilla M, et al (Dalcross Adventist Hosp, Sydney, New South Wales, Australia; Royal North Shore Hosp, Sydney, New South Wales, Australia; et al) Eur J Vasc Endovasc Surg 43:81–87, 2012^§

Abstract

Objective

To define the clinical syndrome of functional popliteal entrapment comparing pre and post surgical clinical outcomes with pre and post-operative provocative ultrasonic investigations. Further, to suggest a management pathway to differentiate chronic exertional compartment syndromes and concomitant venous popliteal compression.

Methods

In 32 claudicant sportspersons, 55 limbs were characterised pre-surgery clinically, with provocative testing including hopping, and following a series of non-invasive tests. The clinical findings, ankle brachial indices (ABI) and duplex outcomes were compared pre-operatively, at 3 months post-operatively (n = 52) and in the long term i.e. 16 months (n = 17).

Results

At 3 months, all 55 limbs had clinical follow up. 52 of the 55 limbs had follow up with ultrasound with provocative manoeuvres. The ABIs normalised in 46 (88%). There were 40 of 52 (76%) that became asymptomatic post surgery with a normal scan. There were 4 of 52 (8%) who were clinically asymptomatic but with residual obstruction on duplex and who were able to resume their usual lifestyle. There were 4 (8%) that had abnormal findings both on post-operative scan and clinically. Re-operation on 2 limbs corrected the duplex findings and the symptoms. There were 4 (8%) limbs that had normal duplexes but continued with symptoms albeit varied from the presenting symptoms. In the longer term, a further 2 became symptomatic at 2.8 years requiring a further successful intervention. (Concomitant popliteal venous obstruction was present in 5 limbs (10%) on standing.)

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