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- W3133480774 abstract "Summary The outcomes of AIS/JIS patients treated with VBT were compared between underweight, normal weight, and overweight patients. All groups had similar scoliosis correction on 1st erect x-rays and similar risk of complication at 2 yr post-op; however, overweight patients had a risk ratio of 4.7 for progression of scoliosis from 1st post-op erect to 2 year post-op as compared to underweight and normal weight patients.Hypothesis:Overweight patients treated with VBT have decreased initial scoliosis correction, decreased correction over time, and a higher risk of complications as compared to those with normal/low BMI.Design: Retrospective review of prospectively collected study group data.Introduction: BMI in children has been defined as: Underweight ( 85%ile). There has been little research on the effect of BMI on outcomes of VBT.Methods:AIS/JIS patients with VBT with 2 yr f/u from a multi-center EOS database were evaluated pre-op, 1st erect, and 2 yr post-op. ANOVA was used to compare the 3 categories of BMI with significance as per Tukey-Kramer HSD post hoc test. Risk of scoliosis progression was analysed with Mid-P exact test.Results:121 patients (51 underweight, 58 normal, 12 overweight; mean age 12.5 ±1.6 yr; BMI 18.8 ±4.6) were identified. After VBT, scoliosis improved over time (Fig 1; p<0.05). Comparing underweight, normal, and overweight groups: Mean pre-op age (13 yr, 13 yr, 12 yr), scoliosis (52o, 50o, 52o), pre-op kyphosis (29o, 28o, 33o), peri-op scoliosis correction (44%, 42%, 46%), and complications by 2 yr f/u (23%, 24%, 17%) were similar between groups. There was one broken tether in each of the underweight and normal weight groups. Change in scoliosis % correction from 1st erect to 2 yr post-op was not significantly different between groups (Fig 2); however, risk ratio for scoliosis progression during this period was 4.74 (1.02- 22.02; p=0.04) for overweight patients.Conclusion:Overweight patients treated with VBT had similar peri-op scoliosis correction and similar risk of complication as compared to underweight and normal weight patients. As compared to other patients, overweight patients had a risk ratio of 4.7 for progression of scoliosis during the first two years post-op." @default.
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- W3133480774 date "2020-01-01" @default.
- W3133480774 modified "2023-09-27" @default.
- W3133480774 title "Does Body Mass Index Affect Outcomes after Vertebral Body Tethering Surgery" @default.
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