Abstract
Transcatheter aortic valve implantation (TAVI) and transcatheter mitral valve repair (TMVR) are increasingly used for managing patients with valvular heart disease to whom surgery presents a high-risk. As these are costly procedures, a systematic review of studies concerned with their economic assessment was undertaken. The search was performed in PubMed and the Cochrane Library and followed recommended methodological steps. Studies were screened and their data were retrieved and were synthesized using a narrative approach. Twenty-four, good to high quality, evaluations were identified, representing different viewpoints, modelling techniques and willingness-to-pay thresholds. Studies show that in high-risk patients with symptomatic aortic stenosis, TAVI may be cost-effective compared with medical management (MM) across many health care settings. In contrast, studies of TAVI compared with surgical aortic valve replacement (SAVR) yield conflicting and inconclusive results. The limited data available show that TMVR may also be cost-effective relative to MM in mitral valve disease. Existing evidence indicates that transcatheter techniques may be cost-effective options, relative to MM, in high-risk patients with valvular disease. Nonetheless, more research is needed to establish their economic value further, to investigate the drives of cost-effectiveness, and to evaluate surgical with transcatheter techniques in aortic valvular disease.
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