Slipped Capitalnfemoral

Adolescent slipped capital femoral epiphysis treated by a modified Dunn osteotomy with surgical hip dislocation
1. H. Huber, MD, Orthopaedic Surgeon1,
2. C. Dora, MD, Orthopaedic Surgeon2,3. L. E. Ramseier, MD, Orthopaedic Surgeon1,
4. F. Buck, MD, Radiologist2 and
5. S. Dierauer, MD, Orthopaedic Surgeon1
+ Author Affiliations
1. 1Kinderspital Zürich, Steinwiesstrasse 75, 8032Zürich, Switzerland.
2. 2Uniklinik Balgrist, Forchstrasse 340, 8008 Zürich, Switzerland.
1. Correspondence should be sent to Dr H. Huber; e-mail: hance.huber@gmail.com
Abstract
Between June2001 and November 2008 a modified Dunn osteotomy with a surgical hip dislocation was performed in 30 hips in 28 patients with slipped capital femoral epiphysis. Complications and clinical andradiological outcomes after a mean follow-up of 3.8 years (1.0 to 8.5) were documented. Subjective outcome was assessed using the Harris hip score and the Western Ontario and McMaster Universities osteoarthritisindex questionnaire.
Anatomical or near-anatomical reduction was achieved in all cases. The epiphysis in one hip showed no perfusion intra-operatively and developed avascular necrosis. There was anexcellent outcome in 28 hips. Failure of the implants with a need for revision surgery occurred in four hips.
Anatomical reduction can be achieved by this technique, with a low risk of avascularnecrosis. Cautious follow-up is necessary in order to avoid implant failure.
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• Received October 12, 2010.
• Accepted February 1, 2011.
• © 2011 British Editorial Society of Bone and JointSurgery
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1. doi:10.1302/0301-620X.93B6.25849 J Bone Joint Surg Br June 2011 vol. 93-B no. 6 833-838
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