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Osteosynthesis in situ for lateral condyle nonunion in children

Authors
 Hoon Park  ;  Jin Ho Hwang  ;  Yong Uk Kwon  ;  Hyun Woo Kim 
Citation
 Journal of Pediatric Orthopaedics, Vol.35(4) : 334-340, 2015 
Journal Title
 Journal of Pediatric Orthopaedics 
ISSN
 0271-6798 
Issue Date
2015
MeSH
Bone Screws ; Child ; Child, Preschool ; Elbow Joint*/diagnostic imaging ; Elbow Joint*/injuries ; Elbow Joint*/surgery ; Female ; Fracture Fixation, Internal*/adverse effects ; Fracture Fixation, Internal*/methods ; Fracture Fixation, Internal*/rehabilitation ; Fractures, Malunited*/diagnosis ; Fractures, Malunited*/surgery ; Humans ; Humeral Fractures*/diagnostic imaging ; Humeral Fractures*/surgery ; Male ; Osteonecrosis/etiology ; Osteonecrosis/prevention & control ; Postoperative Complications/prevention & control* ; Radiography ; Range of Motion, Articular ; Recovery of Function ; Republic of Korea ; Retrospective Studies ; Time-to-Treatment ; Treatment Outcome
Keywords
lateral condyle ; nonunion ; osteosynthesis in situ
Abstract
BACKGROUND: This study investigated the efficacy of osteosynthesis in situ by evaluating the functional and cosmetic results in children with nonunion of lateral condyle fractures. METHODS: Sixteen consecutive patients were treated with in situ fixation consisting of minimal curettage of fracture gap and screw compression of metaphyseal fragments without bone grafting. The mean age at the time of surgery was 5.6 years (range, 1 to 10 y). The mean interval between the initial lateral condylar fracture and surgery was 4.8 months (range, 3 to 12 mo). The average amount of displacement measured on radiographs was 6.6 mm medially and 7.4 mm laterally. Outcome was assessed by clinical and radiologic evaluation at the latest follow-up. RESULTS: All patients achieved bony union. The mean duration of follow-up was 45.4 months (range, 24 to 67 mo). The range of motion and flexion contracture improved postoperatively in all patients. There was no evidence of premature growth arrest, osteonecrosis, or fishtail deformity until last follow-up. The overall result was excellent in 5, good in 10, and fair in 1 patient. However, 3 patients developed valgus or varus deformities of >10 degrees. CONCLUSIONS: Osteosynthesis in situ can be an effective and safe treatment for achieving bone union and improved elbow motion and preventing avascular necrosis. However, valgus or varus deformities may occur after this procedure and corrective osteotomy may be necessary. LEVEL OF EVIDENCE: Level IV - case series.
Full Text
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=01241398-201506000-00002&LSLINK=80&D=ovft
DOI
10.1097/BPO.0000000000000353
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Orthopedic Surgery (정형외과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Hyun Woo(김현우) ORCID logo https://orcid.org/0000-0001-8576-1877
Park, Hoon(박훈) ORCID logo https://orcid.org/0000-0002-8063-3742
Hwang, Jin Ho(황진호)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/140124
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