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Article Abstract

Study Design: Prospective cohort study.

Objective: To investigate longitudinal changes in physical functional status after long corrective fusion in patients with adult spinal deformity (ASD) during 2 years of follow-up.

Background: In ASD surgery, reports assessing physical functional status in long-term observations for more than a year are lacking. Assessing whether patients maintain significant improvements in their physical status with a longer follow-up duration is crucial.

Patients And Methods: A total of 70 female patients with ASD who underwent long corrective fusion of ≥7 segments between June 2016 and June 2022 were included in this study. Preoperative and postoperative assessments (at 6 mo, 1 yr, and 2 yr) included radiographic spinopelvic parameters, health-related quality of life using the Scoliosis Research Society Outcome Instrument-22 questionnaire, and physical function tests conducted by a physical therapist.

Results: All domains of the Scoliosis Research Society Outcome Instrument-22 improved the most in the first 6 months after surgery (P <0.0001); however, the "pain" and "function" domains continued to improve gradually until 2 years postoperatively. Regarding trunk dynamic balance, the timed up-and-go test score improved gradually until 2 years postoperatively (P < 0.0001). Regarding gait performance, gait speed, and the 6-minute walking test improved the most in the first 6 months after surgery (P < 0.01) and almost reached a plateau 1 year postoperatively.

Conclusions: Long corrective fusion for ASD significantly enhanced physical function and health-related quality of life within 2 years, with the greatest improvement in the first 6 months after surgery. These findings underscore the importance of increasing activities of daily living through early exercise instruction, as well as preventive measures to avoid early surgery-related complications.

Level Of Evidence: Level III.

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http://dx.doi.org/10.1097/BRS.0000000000005214DOI Listing

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