Frailty and Health-Related Quality of Life Improvement Following Adult Spinal Deformity Surgery.

Document Type

Article

Publication Date

4-1-2018

Publication Title

World Neurosurg

Keywords

Adult; Aged; Back Pain; Disability Evaluation; Female; Follow-Up Studies; Frailty; Humans; Male; Middle Aged; Postoperative Period; Quality of Life; Retrospective Studies; Severity of Illness Index; Spinal Curvatures; Treatment Outcome; Adult spinal deformity; Frailty; Frailty index; Fusion; Health-related quality of life; Patient-reported outcome measures; Scoliosis

Abstract

BACKGROUND: Although the Adult Spinal Deformity Frailty Index (ASD-FI) predicts major complications and prolonged hospital length of stay after adult spinal deformity surgery, the impact of frailty on postoperative changes in health-related quality of life (HRQoL) is unknown.

METHODS: Patients who underwent instrumented fusion of ≥4 levels for adult spinal deformity with minimum 2-year follow-up were stratified by Adult Spinal Deformity Frailty Index score into 3 groups: nonfrail, frail, and severely frail. Baseline and follow-up demographics, HRQoL measures, and radiographic parameters were analyzed. Primary outcome measures included proportion of patients who achieved substantial clinical benefit (SCB) in terms of Oswestry Disability Index, 36-Item Short Form Health Survey Physical Component Summary, and numeric back and leg pain scores.

RESULTS: Inclusion criteria were met by 332 patients (135 nonfrail, 175 frail, 22 severely frail). Frail and severely frail patients were older and had more comorbidities, worse baseline HRQoL and pain scores, and worse radiographic deformity than nonfrail patients (P < 0.05). At 2-year follow-up, all outcome scores were worse in frail and severely frail patients compared with nonfrail patients. Frail patients improved more than nonfrail patients and were more likely to reach SCB for Oswestry Disability Index (43.7% vs. 29.3%; P = 0.025), 36-Item Short Form Health Survey Physical Component Summary (56.9% vs. 51.2%; P = 0.03), and leg pain (45.8% vs. 23.0%; P = 0.03) scores, but not back pain (57.5% vs. 63.4%; P = 0.045) score.

CONCLUSIONS: Despite higher risk stratification and worse baseline HRQoL, frail patients were more likely to reach SCB for most HRQoL measures compared with nonfrail patients. Severely frail patients were the least likely to reach SCB for most HRQoL measures.

Clinical Institute

Neurosciences (Brain & Spine)

Department

Neurosciences

Department

Surgery

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