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The prevalence of the complications and their associated factors in humeral lengthening for achondroplasia

retrospective study of 54 cases

Nakano-Matsuoka, Natsukoa; Fukiage, Kenichia; Harada, Yukia; Kashiwagi, Naoyab; Futami, Tohrua

Journal of Pediatric Orthopaedics B: November 2017 - Volume 26 - Issue 6 - p 519–525
doi: 10.1097/BPB.0000000000000428
SKELETAL DYSPLASIAS
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The aim of this study is to evaluate the complications of humeral lengthening and their associated factors. Fifty-four achondroplastic patients were treated by bilateral humeral lengthening. Our original shoulder sling was sufficient to prevent shoulder dislocation. Pre-existing radial head dislocation was observed in 18 patients. Lengthening was accomplished in all cases without a decrease in the elbow function. Seven humeri fractured after the fixator removal. The risk factors for postoperative fracture were a waiting period of less than 5 days, a healing index less than 25, and the concave shape of the callus. There was no radial nerve palsy.

aDepartment of Paediatric Orthopaedics, Shiga Medical Center for Children, Moriyama, Shiga

bSky Orthopaedic Clinic, Osaka, Ibaragi, Japan

Correspondence to Natsuko Nakano-Matsuoka, MD, Department of Paediatric Orthopaedics, Shiga Medical Center for Children, 5-7-30, Moriyama, Moriyama, 524-0022 Shiga, Japan Tel: +81 775 826 200; fax: +81 775 826 304; e-mail: natsuko-matsuoka@i.shizuoka-pho.jp

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