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Research: Cost-effectiveness analysis of extended extracorporeal membrane oxygenation duration in newborns with congenital diaphragmatic hernia in the United States

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Research: Cost-effectiveness analysis of extended extracorporeal membrane oxygenation duration in newborns with congenital diaphragmatic hernia in the United States

Pediatr Neonatol

. 2021 Oct 18;S1875-9572(21)00202-3. doi: 10.1016/j.pedneo.2021.08.015. Online ahead of print.

Cost-effectiveness analysis of extended extracorporeal membrane oxygenation duration in newborns with congenital diaphragmatic hernia in the United States

Hanke Zheng 1Cynthia Gong 2Rachel Chapman 3Leah Yieh 3Philippe Friedlich 3Joel W Hay 4 Affiliations expand https://pubmed.ncbi.nlm.nih.gov/34742677/

Free article

Abstract

Background: The duration of extracorporeal membrane oxygenation (ECMO) has been historically confined in many centers to two weeks. We evaluated the cost-effectiveness of additional weeks on ECMO beyond two weeks for newborns with congenital diaphragmatic hernia (CDH) who may require longer stays to maximize survival potential.

Methods: We modeled lifetime outcomes using a decision tree from the US societal perspective. Survival at discharge, probability of long-term sequelae, direct medical costs, indirect costs, and quality-adjusted life years (QALY) for long-term disability were considered. Considering the nature of severity of CDH, we used $200,000 per QALY as the willingness-to-pay threshold in the base case.

Results: The lifetime costs per CDH infant generated from staying on ECMO for ≤2 weeks, 2-3 weeks, and >3 weeks are $473,334, $654,771, $1,007,476, respectively (2018 USD), and the total QALYs gained from each treatment arm are 1.83, 3.6, and 5.05. In the base case, the net monetary benefits are -$108,034 for ECMO ≤2 weeks, $64,258 for 2-3 weeks, and $2955 for >3 weeks. In probabilistic simulations, a duration of ≤2 weeks is dominated by a duration of 2-3 weeks in 65.3% of cases and dominated by > 3 weeks in 60.2% of cases. A duration of 2-3 weeks is more cost-effective than >3 weeks in 68.6% of simulations.

Conclusion: Our findings suggest that 2-3 weeks of ECMO may be the most cost-effective for CDH infants that are unable to wean off at 2 weeks from the US societal perspective. Regardless of ECMO duration, ECMO use generates positive incremental NMB at WTP of $200,000 if the survival probability is greater than 0.3. Future research must be conducted to evaluate the long-term outcomes and sequelae of CDH patients post-discharge to better inform the clinical decision-making in neonatal intensive care unit.

Keywords: ECMO extracorporealmembrane oxygenation; congenital diaphragmatic hernia; congenitalabnormalities; cost effectiveness.

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