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[Popliteal artery entrapment syndrome]
Marcelo José de Almeida1, Winston Bonetti Yoshida, Nathanael Ribeiro de Melo
1Faculdade de Medicina de Botucatu, Universidade Estadual Paulista,S.Paulo, Brasil.
Summary
Popliteal artery entrapment syndrome involves artery compression, causing symptoms during exercise. This review examines anatomical and functional types, diagnostic accuracy, and specificity.
Area of Science:
- Vascular Surgery
- Anatomy
- Diagnostic Imaging
Background:
- Popliteal artery entrapment syndrome (PAES) is extrinsic compression of the popliteal artery.
- Symptoms manifest during strenuous exercise due to anatomical or functional causes.
- PAES presents in congenital (embryogenesis) and acquired (muscle hypertrophy) forms.
Purpose of the Study:
- To review anatomical and functional popliteal artery entrapment syndrome.
- To discuss the diagnostic accuracy, sensitivity, and specificity of imaging tests for PAES.
Main Methods:
- Literature review of anatomical and functional PAES.
- Analysis of diagnostic modalities including duplex scan, MRI, and arteriography.
- Evaluation of test performance in symptomatic and asymptomatic individuals.
Main Results:
- PAES diagnosis relies on detecting popliteal artery occlusion or stenosis during dynamic plantar flexion-extension.
- Diagnostic tests like duplex scan, MRI, and arteriography are used.
- The specificity of positive tests in asymptomatic individuals without anatomical anomalies is debated.
Conclusions:
- Understanding the anatomical and functional aspects of PAES is crucial.
- Accurate diagnosis requires careful interpretation of dynamic imaging studies.
- Further research may be needed to refine diagnostic criteria and improve specificity.