Surgical and Transcatheter Mitral Valve Therapy: Medicare Utilization and Reimbursement.

Background: We aimed to examine trends in the utilization and reimbursement of surgical and transcatheter mitral valve therapies and their changing relationship.
Methods: A query of administrative data on US Medicare beneficiaries undergoing mitral valve therapy was conducted from 2015 to 2020 using the Centers for Medicare and Medicaid Services Part B National Summary Data File. Inflation adjustment was to the 2020 Consumer Price Index. Trend analysis was quantified with growth rate and simple linear regression calculations.
Results: The annual number of all mitral valve procedures remained constant. Transcatheter mitral valve therapies increased by 313% with an increase of 1552 cases per year (P < .001), whereas surgical mitral valve therapies decreased by 31.4% with a decline of 1446 procedures per year (P = .004). As a proportion of all mitral valve therapies, surgical therapies decreased from 91.8% to 65.0%. Annual Medicare reimbursements for transcatheter and surgical mitral valve therapies mirrored the annual procedural trends. For transcatheter mitral valve therapies, per-case reimbursement decreased by 14.1% ($1283.18 to $1102.88), and for surgical mitral valve therapies, per-case reimbursement decreased by 3.8% ($1480.65 to $1424.57).
Conclusions: Medicare utilization of mitral valve therapies has been stable in recent years, with growth of transcatheter volumes offset by a decrease in surgical volumes. This suggests that transcatheter therapy availability has not expanded the pool of patients with access to therapy. Nonetheless, case reimbursements decreased for both modalities.
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