Patient-Prosthesis Mismatch After Mitral Valve Replacement: A Propensity Score Analysis

The Annals of Thoracic Surgery
Ho Young HwangHyuk Ahn

Abstract

We evaluated the impact of patient-prosthesis mismatch (PPM) after mitral valve replacement on the clinical outcomes using propensity score models. In all, 760 patients (aged 51 ± 12 years; male:female = 252:508) in whom mitral valve replacement was performed using three types of mechanical valves and two types of bioprosthetic valves were enrolled. In vivo data of effective orifice area was drawn from literatures and mitral PPM was defined as an effective orifice area index 1.2 cm(2)/m(2) or less. The propensity score model was used in two ways: the inverse probability of treatment weighting-adjusted multivariable analyses, and 1:1 propensity score matching. The duration of the follow-up was 127 months (range, 1 to 276). Mitral PPM was identified in 19.3%. The patients with PPM (PPM group, n = 147) were older and had more comorbidities than the patients without PPM (non-PPM group, n = 613). The 10-year and 20-year overall survival and freedom from cardiac death were 83.5% and 71.3%, respectively, for the PPM group; and 90.2% and 83.1%, respectively, for the non-PPM group. The inverse probability of treatment weighting-adjusted multivariable analyses demonstrated that mitral PPM is a significant risk factor for overall survival...Continue Reading

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Citations

Apr 24, 2016·The Annals of Thoracic Surgery·Severin Semsroth, Michael Grimm
Jan 26, 2018·Interactive Cardiovascular and Thoracic Surgery·Sleiman Sebastian Aboul-HassanRomuald Cichon
Dec 15, 2019·World Journal for Pediatric & Congenital Heart Surgery·Daniel FuduluSerban Stoica
Jun 8, 2017·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Ganesh Kumar K AmmannayaJaskaran S Saini
Apr 24, 2020·Journal of Cardiothoracic Surgery·Hesham AlkadyEman Mahmoud
Mar 25, 2019·European Journal of Cardio-thoracic Surgery : Official Journal of the European Association for Cardio-thoracic Surgery·Wenrui MaWei Zhang
Jun 20, 2020·Journal of Cardiothoracic Surgery·Anh T VoDinh H Nguyen
Aug 9, 2019·Asian Cardiovascular & Thoracic Annals·Ashraf Ah El MidanyBahaa A Elkhonezy
Nov 18, 2017·Interactive Cardiovascular and Thoracic Surgery·Sina StockMichael Scharfschwerdt
Dec 23, 2020·Journal of Cardiac Surgery·Ryaan El-AndariJeevan Nagendran
Mar 27, 2021·Journal of Artificial Organs : the Official Journal of the Japanese Society for Artificial Organs·Takanori KonoEiki Tayama
Nov 11, 2020·Seminars in Thoracic and Cardiovascular Surgery·Stefano D'Alessandro, Francesco Formica
Sep 25, 2020·Seminars in Thoracic and Cardiovascular Surgery·Hideki TsubotaAkira Marui
May 24, 2021·Journal of Artificial Organs : the Official Journal of the Japanese Society for Artificial Organs·Kazuyoshi TakagiEiki Tayama

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