Radiostereometric analysis for monitoring percutaneous physiodesis: A PRELIMINARY STUDY.

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Percutaneous physiodesis is an established technique for treating mild leg-length discrepancy and problems of expected extreme height. Angular deformities resulting from incomplete physeal arrest have been reported, and little is known about the time interval from percutaneous physiodesis to actual physeal arrest. This procedure was carried out in ten children, six with leg-length discrepancy and four with expected extreme height. Radiostereometric analysis was used to determine the three-dimensional dynamics of growth retardation. Errors of measurement of translation were less than 0.05 mm and of rotation less than 0.06 degrees. Physeal arrest was obtained in all but one child within 12 weeks after physiodesis and no clinically-relevant angular deformities occurred. This is a suitable method for following up patients after percutaneous physiodesis. Incomplete physeal arrest can be detected at an early stage and the procedure repeated before corrective osteotomy is required.
Original languageEnglish
Pages (from-to)1502-1507
JournalJournal of Bone and Joint Surgery: British Volume
Issue number11
Publication statusPublished - 2006

Subject classification (UKÄ)

  • Orthopedics


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