J H Schröder1, M Geßlein2, M Schütz3, C Perka3, D Krüger3. 1. Centrum für Muskuloskeletale Chirurgie, Campus Virchow Klinikum, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland. joerg.schroeder@charite.de. 2. Klinik für Orthopädie und Unfallchirurgie, Paracelsus Medizinische Privatuniversität Nürnberg, Nürnberg, Deutschland. 3. Centrum für Muskuloskeletale Chirurgie, Campus Virchow Klinikum, Charité - Universitätsmedizin Berlin, Augustenburger Platz 1, 13353, Berlin, Deutschland.
Abstract
BACKGROUND: Operative refixation is a new therapeutic option in cases of failed conservative treatment for trochanteric pain syndrome (TPS) and lesions of the hip abductors in magnetic resonance imaging (MRI). OBJECTIVE: Evaluation of the clinical and radiological results after open gluteus medius and minimus tendon reconstruction with a double-row technique was carried out. MATERIAL AND METHODS: Patients with failed conservative treatment for TPS and confirmed lesions of the hip abductors in MRI were treated by open hip abductor tendon reconstruction with a double-row technique. The patients were evaluated preoperatively and postoperatively (minimum follow-up 12 months) using the modified Harris hip score (mHHS) and a subjective score (subjective hip value, SHV). Preoperative and postoperative MRI evaluation included measurement of hip abductor muscle diameter and cross-sectional area as well as fatty degeneration. RESULTS: In this study 12 consecutive cases of open reconstruction of the hip abductor tendons were included. There was a significant improvement in the mHHS. In one case the patient showed an atraumatic rupture in the proximal anchor row. The MRI showed a significant improvement in muscle diameter and cross-sectional area for the gluteus medius muscle of the affected and the contralateral side, while the degree of fatty degeneration did not improve. The fatty degeneration showed a significant correlation with the postoperative results in the mHHS and the SHV. CONCLUSION: Operative reconstruction of lesions in the hip abductor tendons is a therapy option with significant improvement of patient satisfaction and functional scores as well as muscle diameter and cross-sectional area for the gluteus medius. The degree of fatty degeneration and possible differential diagnoses need to be taken into consideration.
BACKGROUND: Operative refixation is a new therapeutic option in cases of failed conservative treatment for trochanteric pain syndrome (TPS) and lesions of the hip abductors in magnetic resonance imaging (MRI). OBJECTIVE: Evaluation of the clinical and radiological results after open gluteus medius and minimus tendon reconstruction with a double-row technique was carried out. MATERIAL AND METHODS:Patients with failed conservative treatment for TPS and confirmed lesions of the hip abductors in MRI were treated by open hip abductor tendon reconstruction with a double-row technique. The patients were evaluated preoperatively and postoperatively (minimum follow-up 12 months) using the modified Harris hip score (mHHS) and a subjective score (subjective hip value, SHV). Preoperative and postoperative MRI evaluation included measurement of hip abductor muscle diameter and cross-sectional area as well as fatty degeneration. RESULTS: In this study 12 consecutive cases of open reconstruction of the hip abductor tendons were included. There was a significant improvement in the mHHS. In one case the patient showed an atraumatic rupture in the proximal anchor row. The MRI showed a significant improvement in muscle diameter and cross-sectional area for the gluteus medius muscle of the affected and the contralateral side, while the degree of fatty degeneration did not improve. The fatty degeneration showed a significant correlation with the postoperative results in the mHHS and the SHV. CONCLUSION: Operative reconstruction of lesions in the hip abductor tendons is a therapy option with significant improvement of patient satisfaction and functional scores as well as muscle diameter and cross-sectional area for the gluteus medius. The degree of fatty degeneration and possible differential diagnoses need to be taken into consideration.
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