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Joint hypermobility not consistently correlated with results after surgery for FAI
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Investigators of this study found favorable outcomes at short-term and midterm follow-up after surgery for femoroacetabular impingement and that joint hypermobility was not always associated with subjective and objective results.
Researchers assessed 232 patients (244 hips) surgically treated for symptomatic femoroacetabular impingement. Preoperatively and at the mean follow-up of 3.7 years, all patients completed various patient-reported outcome measures, with satisfaction questions used to define subjective failure. Objective failure was defined as conversion to total hip replacement. The Beighton score was used to assess joint hypermobility.
Results showed that from preoperative measurement to follow-up, all patient-reported outcomes significantly improved. Investigators noted that 34% of patients had a Beighton score of 4 or more and 18% had a score 6 or more, which indicated generalized joint hypermobility. Conversion to total hip replacement was needed in 11 hips which objectively failed, while subjective failures were seen in 24 patients. Investigators did not observe any predictive risk factors for subjective failure.
According to researchers, a significant predictor for objective failures was Tönnis grade. Beighton scores and preoperative patient-reported scores had a weak inverse association. Investigators noted Beighton scores and postoperative patient-reported outcome values and subjective failure were not significantly correlated; however, lower Beighton scores were seen in patients who objectively failed compared with nonfailures. – by Monica Jaramillo
Disclosure: The researchers report no relevant financial disclosures.
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