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Fate of stable hips after prophylactic femoral varization osteotomy in patients with cerebral palsyoa mark
  • Sung, Ki Hyuk ;
  • Kwon, Soon Sun ;
  • Chung, Chin Youb ;
  • Lee, Kyoung Min ;
  • Kim, Jaeyoung ;
  • Lee, Seung Yeol ;
  • Park, Moon Seok
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Publication Year
2018-04-27
Journal
BMC Musculoskeletal Disorders
Publisher
BioMed Central Ltd.
Citation
BMC Musculoskeletal Disorders, Vol.19 No.1
Keyword
Cerebral palsyDisplaced hipHip reconstructive surgeryProphylactic femoral varization osteotomyStable hip
Mesh Keyword
AdolescentAdultCerebral PalsyChildFemaleFemurFollow-Up StudiesHip DislocationHumansMaleOsteotomyProphylactic Surgical ProceduresReconstructive Surgical ProceduresYoung Adult
All Science Classification Codes (ASJC)
RheumatologyOrthopedics and Sports Medicine
Abstract
Background: Concurrent prophylactic femoral varization osteotomy (FVO) for stable hips has been performed in patients with cerebral palsy (CP) undergoing hip reconstructive surgery for the contralateral displaced hip. However, there is currently a lack of studies investigating the outcome after the prophylactic FVO in stable hip. This study investigated the outcomes after FVO in stable hips with CP and influencing factors. In addition, this study compared the outcomes with those after hip reconstructive surgery in the contralateral displaced hip. Methods: This study included 119 CP patients with 224 hips (80 stable, 144 displaced) undergoing hip reconstructive surgery including FVO. Migration percentage (MP), neck-shaft angle (NSA), and head-shaft angle (HSA) were measured through preoperative and follow-up hip radiographs. All hips were divided into the stable (MP ≤ 33%) and displaced hip groups (MP > 33%) according to the preoperative radiographs, and the annual changes in the radiographic indices after FVO were analyzed. Results: In stable hip group, MP did not significantly increase over time (p = 0.057) after prophylactic FVO. In displaced hip group, MP significantly increased over time (1.6%/year, p < 0.001). MP was significantly decreased in cases of concomitant Dega pelvic osteotomy in both stable (14.5%, p < 0.001) and displaced hips (18.9%, p < 0.001). Conclusions: Prophylactic FVO in the stable hip in patients with CP showed good surgical outcomes, without a risk of hip displacement throughout the follow-up duration, while hip reconstructive surgery in the displaced hip was associated with a risk of increased hip displacement.
ISSN
1471-2474
Language
eng
URI
https://aurora.ajou.ac.kr/handle/2018.oak/30199
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85046278146&origin=inward
DOI
https://doi.org/10.1186/s12891-018-2049-z
Journal URL
http://www.biomedcentral.com/bmcmusculoskeletdisord/
Type
Article
Funding
This research was supported by Projects for Research and Development of Police science and Technology under Center for Research and Development of Police science and Technology and Korean National Police Agency funded by the Ministry of Science, ICT and Future Planning (Grant No. PA-C000001-2015-202), by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT & Future Planning (No. NRF-2017R1A2B4007412), and by SNUBH research fund (grant no. 02-2012-018).
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