title: Effects of Soft Tissue Surgery on Pelvic and Hip Rotation in Patients with Spastic Diplegia: A Meta-Analysis.
abstract: BACKGROUND
  There are several different opinions regarding the improvements seen on the transverse plane after soft tissue surgery alone in independently ambulant patients with cerebral palsy. We performed a meta-analysis using data from previous studies to identify the effects of soft tissue surgery alone on pelvic and hip rotation in children with spastic diplegia.
  
  
  METHODS
  We conducted a pilot study to evaluate the improvement in pelvic and hip rotation after muscle-tendon lengthening surgery in children with spastic diplegia. We also searched EMBASE and PubMed and selected 2 previous studies using the same test conditions with kinematic data on the pelvis and hip joints. A meta-analysis of the results of these 3 studies, including this pilot study, was then performed.
  
  
  RESULTS
  The meta-analysis results showed an external rotation decrease (p = 0.005) in the mean difference of pelvic rotation of -3.61 (95% confidence interval [CI], -6.13 to -1.09) and a mean difference in hip rotation of 6.60 (95% CI, 3.34 to 9.86), indicating a significant increase in the hip external rotation after surgery (p < 0.001).
  
  
  CONCLUSIONS
  In independently community-ambulant pediatric patients with spastic diplegia, pelvic retraction and hip internal rotation could be improved after soft tissue surgery.
authors.affiliation: Department of Orthopaedic Surgery, Seoul Bumin Hospital, Seoul, Korea.
authors.forename: Hun Jae
authors.initials: HJ
authors.lastname: Jung
authors.affiliation: Department of Orthopaedic Surgery, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea.
authors.forename: Ji Yeon
authors.initials: JY
authors.lastname: Yoon
authors.affiliation: Department of Clinical Trial Center, Inje University Busan Paik Hospital, Inje University College of Medicine, Busan, Korea.
authors.forename: Min Kyung
authors.initials: MK
authors.lastname: Oh
authors.affiliation: Department of Orthopaedic Surgery, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea.
authors.forename: Young Chang
authors.initials: YC
authors.lastname: Kim
authors.affiliation: Department of Orthopaedic Surgery, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea.
authors.forename: Jae Hyun
authors.initials: JH
authors.lastname: Kim
authors.affiliation: Department of Orthopaedic Surgery, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea.
authors.forename: Tae Woong
authors.initials: TW
authors.lastname: Eom
authors.affiliation: Department of Orthopaedic Surgery, Inje University Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea.
authors.forename: Kun Bo
authors.initials: KB
authors.lastname: Park
mesh_terms: D000293:Adolescent; D002547:Cerebral Palsy / Q000503:physiopathology / Q000601:surgery*; D002648:Child; D005260:Female; D006615:Hip / Q000601:surgery*; D006801:Humans; D008297:Male; D019637:Orthopedic Procedures / Q000706:statistics & numerical data*; D010388:Pelvis / Q000601:surgery*; D010865:Pilot Projects; D016059:Range of Motion, Articular / Q000502:physiology*
keywords: Cerebral palsy; Hip; Pelvis; Rotation