科研之友
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摘要
The degree to which patient characteristics, clinical outcomes, and the nature, severity, and corresponding treatment of chondrolabral injury in femoroacetabular impingement (FAI) is associated with failure after surgery is incompletely understood. (1) Are patient factors associated with failure (age, sex, body mass index, and preoperative modified Harris hip score [mHHS]) in the open surgical treatment of FAI? (2) Is the nature of chondrolabral injury associated with failure? (3) Are any specific chondrolabral injury treatment methods superior? Between 2000 and 2008, 172 open surgical procedures in 167 patients were performed for the treatment of FAI by two surgeons at two separate academic medical centers. Ultimately, 142 patients were included in this retrospective study. Mean followup was 3 years (range, 1-12 years). Patient and clinical factors along with the nature, severity, and treatment of chondrolabral injuries were assessed for an association with failure, defined as conversion to THA or the inability to achieve the minimum clinically important difference of the mHHS. Thirty-two percent (45 of 142) of patients failed open surgical treatment of FAI. Patient factors associated with failure included age (odds ratio [OR], 1.04; p = 0.036) and preoperative mHHS (OR, 4.42; p = 0.033). Neither the nature of the labral lesion nor the severity of the chondral lesion demonstrated a relationship with failure (p > 0.05). Surgically, labral refixation was associated with a decrease in the risk of failure (OR, 0.31; p = 0.039). We were unable to identify an increased risk of poor outcomes based on sex, body mass index, or severity of chondrolabral lesions. We did find an increased risk of poorer outcomes associated with age. Labral refixation was associated with a decrease in the risk of failure indicating that treatment methodology, rather than the nature of the chondrolabral injury, may be associated with clinical failure. Future studies will be needed to help determine optimal treatment strategies for chondrolabral injuries. Level IV, therapeutic study.
- 出版日期2015-4
