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Innominate salter osteotomy using resorbable screws: A retrospective case series and presentation of a new concept for fixation

Journal article
Authors Henrik Hedelin
Per Larnert
Hanna Hebelka
Helena Brisby
Kerstin M Lagerstrand
Tero Laine
Published in Journal of Children's Orthopaedics
Volume 13
Pages 310-317
ISSN 1863-2521
Publication year 2019
Published at Institute of Clinical Sciences, Department of Orthopaedics
Institute of Clinical Sciences
Pages 310-317
Language en
Links https://doi.org/10.1302/1863-2548.1...
Keywords Absorbable implants, Hip dysplasia, Legg-Calvé-Perthes disease, Osteotomy
Subject categories Orthopedics

Abstract

© 2019, British Editorial Society of Bone and Joint Surgery. All rights reserved. Purpose The Salter innominate osteotomy (SIO) in children is traditionally stabilized by Kirschner-wires, which have issues regarding stability, infection and the need to be extracted. To counter these disadvantages, we present a surgical method to stabilize SIO with modern resorbable poly lactic-co-glycolic acid screws. Using a case series of 21 patients treated with SIO for developmental dysplasia of the hip or Legg-Calvé- Perthes disease we evaluate the feasibility of the method. Methods The integrity of the osteotomy was interpreted by radiological measurements of acetabular index, centre-edge angle and Reimer’s index. Perioperative and postoperative complications were evaluated. Results Radiographic evaluation revealed a stable osteotomy and favourable development in all measured parameters with the exception of one patient who fell out of bed the first day postoperatively. No other perioperative surgical complications were observed and there were no local reactions to the resorbable screws. Conclusion Modern resorbable screws carry multiple benefits both for the patient and the surgeon. In our case series the implants provided sufficient stability and the implants caused no local reactions. The use of resorbable implants gave the surgeon a wider range of possible screw placements and avoided the need for implant removal.

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