Clinical journal of sport medicine : official journal of the Canadian Academy of Sport Medicine · 2022
Radiological Prevalence of Popliteal Artery Entrapment in Individuals With Anterior Leg Compartment Chronic Exertional Compartment Syndrome.
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Johnson Shelby E, Finnoff Jonathan T, Amrami Kimberly K, Jelsing Elena J
Аннотация
OBJECTIVE: Determine the radiological prevalence of popliteal artery entrapment (PAE) in subjects with anterior leg compartment chronic exertional compartment syndrome (CECS).
DESIGN: Retrospective review.
SETTING: Tertiary care center.
PATIENTS: Of 71 patients diagnosed with anterior leg compartment CECS using an in-scanner exercise-based magnetic resonance imaging (MRI), 64 also completed Fast Imaging Employing Steady-State Acquisition (FIESTA) imaging.
INTERVENTIONS: Electronic health records of patients diagnosed with anterior leg compartment CECS using an in-scanner exercise-based MRI between 2009 and 2018 were reviewed.
MAIN OUTCOME MEASURES: Demographics, symptom laterality, and results of vascular work-up.
RESULTS: Magnetic resonance imaging was positive for PAE in 33 of 64 (51.6%). Vascular evaluation was performed in 30 of 33 (90.9%). Of these 30, ankle-brachial indices (ABIs) with PAE maneuvers were performed in 29 (96.7%) and positive in 25 (86.2%). Pre-exercise and post-exercise ABIs were performed in 29 (96.7%) and abnormal in 20 (69.0%). Thirteen arterial duplex ultrasounds were performed; 10 were consistent with PAE (76.9%). An MR angiogram was performed in 8 (26.7%) and consistent with PAE in all. One computed tomography angiogram (3.3%) was completed and was normal. Overall, one or more tests were positive for PAE in all 30 with vascular evaluation.
CONCLUSIONS: The radiological prevalence of PAE and anterior leg CECS was 51.6%. All subjects with vascular studies (90.9%) had one or more tests confirming radiological PAE. These findings suggest that the coexistence of PAE and CECS is common, and the PAE protocol used has a high correlation with vascular studies.
DESIGN: Retrospective review.
SETTING: Tertiary care center.
PATIENTS: Of 71 patients diagnosed with anterior leg compartment CECS using an in-scanner exercise-based magnetic resonance imaging (MRI), 64 also completed Fast Imaging Employing Steady-State Acquisition (FIESTA) imaging.
INTERVENTIONS: Electronic health records of patients diagnosed with anterior leg compartment CECS using an in-scanner exercise-based MRI between 2009 and 2018 were reviewed.
MAIN OUTCOME MEASURES: Demographics, symptom laterality, and results of vascular work-up.
RESULTS: Magnetic resonance imaging was positive for PAE in 33 of 64 (51.6%). Vascular evaluation was performed in 30 of 33 (90.9%). Of these 30, ankle-brachial indices (ABIs) with PAE maneuvers were performed in 29 (96.7%) and positive in 25 (86.2%). Pre-exercise and post-exercise ABIs were performed in 29 (96.7%) and abnormal in 20 (69.0%). Thirteen arterial duplex ultrasounds were performed; 10 were consistent with PAE (76.9%). An MR angiogram was performed in 8 (26.7%) and consistent with PAE in all. One computed tomography angiogram (3.3%) was completed and was normal. Overall, one or more tests were positive for PAE in all 30 with vascular evaluation.
CONCLUSIONS: The radiological prevalence of PAE and anterior leg CECS was 51.6%. All subjects with vascular studies (90.9%) had one or more tests confirming radiological PAE. These findings suggest that the coexistence of PAE and CECS is common, and the PAE protocol used has a high correlation with vascular studies.