American Hip Institute

Does Bony Regrowth Occur After Arthroscopic Femoroplasty in a Group of Young Adolescents?

Abstract:

To evaluate femoral head-neck bone regrowth and PROs in skeletally immature patients that underwent arthroscopic femoroplasties over a minimum 2-year period.

METHODS:

Eleven skeletally immature hips (10 patients) with open femoral head physes underwent femoroplasty between October 2008 and November 2013. Inclusion criteria were minimum 2-year follow-up with patient-reported outcomes (PROs) and radiographs preoperatively, at 2 weeks, and at a minimum of 2 years postoperatively. Exclusion criteria were >16 years of age, preoperative Tönnis grade >1 and previous hip conditions. Preoperative radiographs were used to assess skeletal immaturity, which was indicated by a Risser score ≤4 and femoral head physis >1 mm. Alpha angles were measured preoperatively, at 2 weeks, and at a minimum of 2 years postoperatively. PROs, including the modified Harris Hip Score (mHHS), Non-Arthritic Hip Score (NAHS), Hip Outcome Score-Sports Specific Subscale (HOS-SSS), and visual analog scale (VAS) score, were measured preoperatively and at the latest follow-up

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