Health-related quality of life in early onset scoliosis patients treated with the spring distraction system: what to expect in the first 2 years after surgery

Author:

Lemans Justin V. C.ORCID,Top AnoukORCID,Tabeling Casper S.ORCID,Scholten E. PaulineORCID,Stempels Hilde W.ORCID,Schlösser Tom P. C.ORCID,Castelein René M.ORCID,Kruyt Moyo C.ORCID

Abstract

Abstract Purpose The Spring Distraction System (SDS) is a novel “growth-friendly” implant for the treatment of Early-Onset Scoliosis (EOS). This prospective study aims to determine the evolution of the “24-Item Early-Onset Scoliosis Questionnaire” (EOSQ-24) scores during 2-year follow-up after SDS surgery. Secondary aims include investigating the relation between EOSQ-24 scores and EOS etiology, and evaluating the impact of an unplanned return to the operating room (UPROR) on HRQoL. Methods All SDS patients with at least 2-year follow-up were included. Caregivers completed the EOSQ-24 pre-operatively, post-operatively, and at 6, 12, and 24 month follow-up. Mean total and -domain scores were graphed over time. Repeated-measures ANOVA analyzed the influence of etiology on EOSQ-24 scores. Multiple regression analyzed associations between UPRORs and EOSQ-24 scores. Results Forty-nine patients were included. Mean total EOSQ-24 scores decreased from 70 pre-operatively to 66 post-operatively, then gradually increased to 75 (24 months). Most domains exhibited changes over time, with initial declines, but eventually surpassing pre-operative levels after 2-year follow-up. Neuromuscular/Syndromic patients had lower scores, but showed similar improvements over time compared with other etiologies. Multiple regression showed lower Parental Burden domain score (− 14 points) in patients with UPRORs, although no significant reductions were found in total score, or in other domains. Conclusion HRQoL decreases immediately following SDS surgery but quickly recovers and exceeds pre-operative levels at 2-year follow-up in all domains. Neuromuscular/Syndromic patients have lower initial scores, but progress similarly over time. UPRORs do not influence EOSQ-24 scores, except for a negative impact on the Parental Burden domain in the short term. Level of Evidence III.

Publisher

Springer Science and Business Media LLC

Subject

Orthopedics and Sports Medicine

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