• Bhagwan Satiani, David P Way, David B Hoyt, and E Christopher Ellison.
• Department of Surgery, Wexner Medical Center, The Ohio State University, Columbus, Ohio.
• J. Am. Coll. Surg. 2024 Dec 5.

BackgroundIn the last 30 years, consolidation of healthcare systems in the United States has accelerated through mergers and acquisitions. We completed a systematic literature review on integration to determine if its reputation for enhancing the value of healthcare by reducing price and cost/spending and improving overall quality of care is justified.MethodsA systematic review of the literature was completed for articles published in the United States from 1990-2024. Primary inclusion criteria were horizontal integration (joining two or more hospitals) (HI) and vertical integration (merging of physicians and hospitals) (VI) and reporting on at least one measure of value (price, cost/spending, or quality).ResultsNeither HI nor VI has resulted in consistent and significant improvements in price, cost/spending, or quality associated with healthcare delivery. We screened 1297 articles and identified 37 that met inclusion criteria. Results from any form of integration were mixed. Thirteen of 14 studies (93%) about price reported price increases. Thirteen of 16 studies (81%) about cost/spending showed cost increases or no change. Twenty of 26 studies (77%) about quality showed reductions or no change from integration (HI, VI or both).ConclusionsOur review suggests that evidence is lacking to support the theory that integration is an effective strategy for improving the value of healthcare delivery. This finding represents an opportunity for healthcare leaders, including surgeons, to better define value in their efforts to improve quality while balancing the financial stability of the healthcare industry with a focus on benefiting the patient.Copyright © 2024 by the American College of Surgeons. Published by Wolters Kluwer Health, Inc. All rights reserved.

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