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J Pediatr Orthop B. 2018 Mar;27(2):152-158. doi: 10.1097/BPB.0000000000000489.

Lack of joint hypermobility increases the risk of surgery in adolescent idiopathic scoliosis.

Author information

1
Departments of Orthopaedic Surgery.
2
Neurology.
3
Pediatrics, Washington University, St Louis, Missouri, USA.

Abstract

Generalized joint hypermobility (GJH) is a risk factor for developing adolescent idiopathic scoliosis (AIS); however, it is not known whether joint hypermobility influences the risk of progression to surgery. Beighton joint hypermobility scores were assessed in 570 female AIS patients. Multivariate analysis was carried out to determine whether Beighton hypermobility scores were predictors of surgical intervention. In this female AIS cohort, 24.7% (141/570) had GJH (Beighton score ≥4). Multivariate analysis showed that GJH did not influence the risk of surgery, although having no joint hypermobility (Beighton score=0) increased risk (odds ratio: 1.89; P=0.003). Females who had no hypermobility (score=0) had significantly larger curves than individuals who scored at least one point on the Beighton scale [50° (interquartile range: 26) vs. 42° (interquartile range: 24), P=0.001]. Evaluation of specific measures of joint hypermobility indicated that females who could not touch their palms to the floor were 2.1-fold more likely to have surgery than patients who could perform this task (P=0.001). None of the other features measured on the Beighton score correlated with surgical risk. The lack of joint hypermobility increases the odds of surgery in females with AIS. Specifically, inability to touch the palms to the floor is an indicator of progression to surgery.

PMID:
28777161
PMCID:
PMC5790620
DOI:
10.1097/BPB.0000000000000489
[Indexed for MEDLINE]
Free PMC Article

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