Arthroscopic versus open treatment of cam-type femoro-acetabular impingement: retrospective cohort clinical study

International Orthopaedics
Paulo RegoJacinto Monteiro

Abstract

The purpose of this study was to determine if there were significant differences between patients submitted to hip arthroscopy (HA) and surgical hip dislocation (SHD) to treat femoro-acetabular impingement (FAI), which variables were significantly associated with hip function before surgery and those predictive of the applied functional outcome scale and its variation rate after surgery. We selected 198 patients treated with HA or SHD with a mean follow-up of 59 months. Inclusion criteria were ages 18-50 years, isolated FAI cam morphology and complete clinical and radiologic documentation. The subjective outcome measure used was the nonarthritic hip score (NAHS). We compared pre-operative and post-operative NAHS, alpha angles and complication rates. Multiple linear regression analyses were performed to find which variables could influence NAHS values. The mean alpha-angle value improved from 71.5° to 40.8°, and mean NAHS improved from 50 to 83 points, with no difference between groups (HA/SHD). We found only a 16.9% influence rate on the pre-operative score, explained by variables of gender/pre-operative alpha angle and presence of degenerative changes/age. The influence rate on the NAHS variation ratio after surgery was 62.8%,...Continue Reading

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Citations

Sep 15, 2020·The Journal of Bone and Joint Surgery. American Volume·Jeffrey J NeppleUNKNOWN ANCHOR Group
Jan 18, 2021·British Medical Bulletin·Filippo MiglioriniNicola Maffulli
Mar 19, 2021·The Surgeon : Journal of the Royal Colleges of Surgeons of Edinburgh and Ireland·Filippo MiglioriniNicola Maffulli
Apr 25, 2021·Journal of Experimental Orthopaedics·Ida LindmanMikael Sansone

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