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Leone PP, Fazzari F, Cannata F, Sanz-Sanchez J, Mangieri A, Monti L, Cozzi O, Stefanini GG, Bragato R, Colombo A, Reimers B, Regazzoli D. Clinical and Technical Challenges of Prosthesis-Patient Mismatch After Transcatheter Aortic Valve Implantation. Front Cardiovasc Med 2021; 8:670457. [PMID: 34150868 PMCID: PMC8211887 DOI: 10.3389/fcvm.2021.670457] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2021] [Accepted: 04/22/2021] [Indexed: 12/30/2022] Open
Abstract
Prosthesis-patient mismatch (PPM) is present when the effective area of a prosthetic valve inserted into a patient is inferior to that of a normal human valve; the hemodynamic consequence of a valve too small compared with the size of the patient's body is the generation of higher than expected transprosthetic gradients. Despite evidence of increased risk of short- and long-term mortality and of structural valve degeneration in patients with PPM after surgical aortic valve replacement, its clinical impact in patients subject to transcatheter aortic valve implantation (TAVI) is yet unclear. We aim to review and update on the definition and incidence of PPM after TAVI, and its prognostic implications in the overall population and in higher-risk subgroups, such as small aortic annuli or valve-in-valve procedures. Last, we will focus on the armamentarium available in order to reduce risk of PPM when planning a TAVI procedure.
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Affiliation(s)
- Pier Pasquale Leone
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy.,Humanitas Research Hospital IRCCS, Rozzano, Italy
| | | | - Francesco Cannata
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy.,Humanitas Research Hospital IRCCS, Rozzano, Italy
| | - Jorge Sanz-Sanchez
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy.,Humanitas Research Hospital IRCCS, Rozzano, Italy
| | | | | | - Ottavia Cozzi
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy.,Humanitas Research Hospital IRCCS, Rozzano, Italy
| | - Giulio Giuseppe Stefanini
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Italy.,Humanitas Research Hospital IRCCS, Rozzano, Italy
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