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Comparative Study
. 2020 Mar;10(3):257-265.
doi: 10.1542/hpeds.2019-0153.

Health and Economic Outcomes of Posterior Spinal Fusion for Children With Neuromuscular Scoliosis

Jody L Lin  1   2   3 , Daniel S Tawfik  4 , Ribhav Gupta  5   6 , Meghan Imrie  7 , Eran Bendavid  8 , Douglas K Owens  9   10
Affiliations
Comparative Study

Health and Economic Outcomes of Posterior Spinal Fusion for Children With Neuromuscular Scoliosis

Jody L Lin et al. Hosp Pediatr. 2020 Mar.

Abstract

Objectives: Neuromuscular scoliosis (NMS) can result in severe disability. Nonoperative management minimally slows scoliosis progression, but operative management with posterior spinal fusion (PSF) carries high risks of morbidity and mortality. In this study, we compare health and economic outcomes of PSF to nonoperative management for children with NMS to identify opportunities to improve care.

Methods: We performed a cost-effectiveness analysis. Our decision analytic model included patients aged 5 to 20 years with NMS and a Cobb angle ≥50°, with a base case of 15-year-old patients. We estimated costs, life expectancy, quality-adjusted life-years (QALYs), and incremental cost-effectiveness from published literature and conducted sensitivity analyses on all model inputs.

Results: We estimated that PSF resulted in modestly decreased discounted life expectancy (10.8 years) but longer quality-adjusted life expectancy (4.84 QALYs) than nonoperative management (11.2 years; 3.21 QALYs). PSF costs $75 400 per patient. Under base-case assumptions, PSF costs $50 100 per QALY gained. Our findings were sensitive to quality of life (QoL) and life expectancy, with PSF favored if it significantly increased QoL.

Conclusions: In patients with NMS, whether PSF is cost-effective depends strongly on the degree to which QoL improved, with larger improvements when NMS is the primary cause of debility, but limited data on QoL and life expectancy preclude a definitive assessment. Improved patient-centered outcome assessments are essential to understanding the effectiveness of NMS treatment alternatives. Because the degree to which PSF influences QoL substantially impacts health outcomes and varies by patient, clinicians should consider shared decision-making during PSF-related consultations.

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Conflict of interest statement

POTENTIAL CONFLICT OF INTEREST: The authors have indicated they have no potential conflicts of interest to disclose.

Figures

FIGURE 1
FIGURE 1
Health transition model. Death can occur from any state.
FIGURE 2
FIGURE 2
Cost-effectiveness frontier of PSF compared with nonoperative management for children with NMS (base case).
FIGURE 3
FIGURE 3
One-way sensitivity analysis of differences in HRQOL utility weight between operative and nonoperative management.
See this image and copyright information in PMC

References

    1. Rosenberg RE, Ardalan K, Wong W, et al. Postoperative spinal fusion care in pediatric patients: co-management decreases length of stay. Bull Hosp Jt Dis (2013). 2014;72(3):197–203 - PubMed
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