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STUDY DESIGN: Systematic review and meta-analysis. OBJECTIVES: This study's objective is to provide a critical review of the current literature regarding the changes in pulmonary function (PF) in Adolescent idiopathic scoliosis (AIS) patients who have undergone posterior spinal fusion and instrumentation (PSF), with and without thoracoplasty (TP). METHODS: A comprehensive search was performed using the following databases: EMBASE, PubMed, EBSCOhost (CINAHL and Medline) and OpenGrey. Our focus was on studies that compared pre-and postoperative percent-predicted values of forced vital capacity (%FVC) or forced expiratory volume in 1 second (%FEV1) in AIS patients who had undergone PSF, with and without TP, with a minimum 2-year follow-up. The risk of bias for included studies was assessed using the ROBINS-I ("Risk Of Bias In Non-randomised Studies - of Interventions") tool. Mean change scores were depicted using forest plots. RESULTS: Fifteen studies met our inclusion criteria. The results of our analysis suggest that PSF with TP caused a significant deterioration of %FVC in individuals with moderate AIS, with no significant effect on %FEV1. It also showed a minor improvement of FEV1% in individuals with moderate AIS after PSF only, but no significant change in %FVC. CONCLUSIONS: PSF with TP caused a significant deterioration of % FVC while PSF alone caused a minor improvement of FEV1% in individuals with moderate AIS with a minimum 2-year follow-up.

Original publication

DOI

10.1177/21925682221133750

Type

Journal article

Journal

Global Spine J

Publication Date

04/2023

Volume

13

Pages

910 - 924

Keywords

adolescent idiopathic scoliosis, forced expiratory volume, respiratory function tests, spinal fusion, thoracoplasty, vital capacity