The evaluation of hip muscles in patients treated with one-stage combined procedure for unilateral developmental dysplasia of the hip: part I: MRI evaluation

Journal of Pediatric Orthopedics
Halil Yalçin YükselAli Biçimoğlu

Abstract

To assess the status of hip flexor and extensor muscles with MRI in patients with unilateral developmental dysplasia of the hip (DDH) after walking age who were treated with one-stage combined procedure. Twenty-two patients operated upon with one-stage combined procedure for unilateral DDH were included in this study. All patients underwent complete tenotomy of the iliopsoas muscle hindering open reduction. All patients showed excellent results according to the modified McKay criteria of Barrett and type 1 hips according to radiologic criteria of Severin at the latest follow-up. MRI assessment of iliopsoas, rectus femoris, tensor fasia lata, sartorius, and gluteus maximus muscles was performed and muscles of the hip that was operated upon were compared with the hip that was not. In addition, the iliopsoas muscle was examined for reattachment and the effect of reattachment was evaluated. Mean age was 154.4+/-34.6 (110 to 216) months. Mean follow-up was 112.6+/-32.0 (68 to 159) months. Reattachment of the iliopsoas was observed in 7 (32%) patients, with no significance in terms of age, postoperative follow-up period, or the duration of the postoperative period. Atrophy in the hip that was operated upon was significant in iliopsoa...Continue Reading

References

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