Is there a rationale for regionalizing organ transplantation services?
This paper explores issues in the designation of centers to provide organ transplantation procedures and aftercare, a decision faced increasingly by policymakers, planners, and payers. As background for consideration of the regionalization of organ transplantation services, an array of models of regionalization of health services, ranging from full-scale vertical integration to market-enhancing information provision, is described. In the United States, regionalization has mainly followed the designation model within the certificate-of-need system; vertical integration has been adopted only in limited ways. Next, the authors’ review of current approaches to the regionalization of organ transplantation centers by public and private payers indicates that designation of centers is increasing, although the empirical evidence concerning the classes of hospitals upon which designation decisions rest is weak. The authors then review the literature on the relationship between volumes and outcom