Enhanced recovery protocol in esophagectomy, is it really worth it? A cost analysis related to team experience and protocol compliance.

Application of enhanced recovery protocols (ERP) in esophageal surgery seems to lead an advantage in terms of length of hospital staying and outcomes, but only few data exist on its cost effectiveness. Previous literature analyzed pre- and post-ERP groups, finding a cost reduction with the introduction of the pathway. We aimed to study the influence on costs of accumulating experience and compliance in an ERP group. Seventy-one patients have been treated at our institution from January 2014 to June 2017 with our ERP for Ivor-Lewis esophagectomy. Direct costs were divided into subcategories and were analyzed as a function of calendar year and compliance. Factor affecting costs were searched. Univariable analysis highlighted a significant reduction in costs over time. Increase in compliance led to a progressive cost reduction for each ERP item completed (€14 852-€11 045). While age was not found to significantly influence the cost (p = 0.341), complications seemed to nullify the effect of experience: the median was €11 507 in uncomplicated patients, and increased to €13 791 in Clavien-Dindo 3-4 (CD3-4) patients. Compliance and CD3-4 remained significant also in multivariable analysis, accomplished by quantile regression, while year of surgery lost its significance. Our results evidence how accumulating experience in ERP led to a cost reduction over time, which was mainly mediated by an increase in compliance. Indeed, compliance was the main factor in reducing ERP cost while CD3-4 complications were the most important factor in cost increasing, nullifying the benefit of compliance.

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© The Author(s) 2018. Published by Oxford University Press on behalf of International Society for Diseases of the Esophagus.