Key result
A new innominate osteotomy for Legg-Calve-Perthes disease yielded good clinical results in 80% of hips and improved the mean center-edge angle from 19.4 to 30.2 degrees.
Why the study?
Does a new innominate osteotomy improve clinical and radiological outcomes in patients with Legg-Calve-Perthes disease?
Observational (n=25)
No
Does a new innominate osteotomy improve clinical and radiological outcomes in patients with Legg-Calve-Perthes disease?
A new, simpler innominate osteotomy technique for Legg-Calve-Perthes disease yields satisfactory clinical and radiological outcomes without requiring Kirschner wire fixation.
May support simpler fixation-free osteotomy in select cases; leaves open validation in prospective trials.
Purpose : To evaluate the clinical and radiological results of a new innominate osteotomy in Legg-Calve-Perthes disease (LCPD). Materials and Methods : This study examined 25 hips that were treated with a new innominate osteotomy for LCPD. The treatment involved the anterior half of the ilium being osteomized in a direction of 45˚ to the coronal plane and 30˚ to 45˚ to the sagittal plane, and the posterior half of the ilium being cut using a Gigli saw according to the conventional method. The mean follow-up duration was 5.5 years. Stable interposition of the bone block was achieved using a single biodegradable screw in 8 hips, and without any fixation device in 17 hips. Results : The clinical results according to the criteria of Robinson were good in 20 hips. Twelve hips was graded as good by the Mose method, according to the criteria of Stulberg, 8 hips were included in class I, 6 hips in class II, 8 hips in class III, and 3 hips in class IV. The mean center-edge angle improved from 19.4˚ to 30.2˚. Conclusion : The new innominate osteotomy is simpler and easier to perform than a routine Salter osteotomy, and satisfactory clinical results can be obtained without fixing the Kirschner wire.
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Kim et al. (2007) conducted an observational in Legg-Calve-Perthes disease (n=25). New innominate osteotomy vs. Pre-operative baseline was evaluated on Good clinical results according to Robinson criteria. A new innominate osteotomy for Legg-Calve-Perthes disease yielded good clinical results in 80% of hips and improved the mean center-edge angle from 19.4 to 30.2 degrees.
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