Non-heart transplant surgical approaches with mitral valve operation and surgical ventricular reconstruction for non-isc
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ORIGINAL ARTICLE
Non‑heart transplant surgical approaches with mitral valve operation and surgical ventricular reconstruction for non‑ischaemic dilated cardiomyopathy: a Japanese multicenter study Yasunori Cho1 · Satoru Wakasa2 · Akihiko Usui3 · Kenji Minatoya4 · Hirokuni Arai5 · Hitoshi Yaku6 · Atsushi Yamaguchi7 · Tatsuhiko Komiya8 · Goro Matsumiya9 · Kimikazu Hamano10 · Yoshikatsu Saiki11 · Yoshiro Matsui2 Received: 27 May 2019 / Accepted: 6 October 2020 © The Japanese Association for Thoracic Surgery 2020
Abstract Objectives There is uncertainty over the efficacy of additional surgical ventricular reconstruction (SVR) associated with mitral valve operation for non-ischaemic dilated cardiomyopathy (DCM). This study aims to assess mid-term outcomes of these non-heart transplant surgical approaches for DCM. Methods We reviewed retrospectively 106 patients (median age 64, 44 females) who underwent isolated mitral annular plasty (MAP; n = 34), mitral valve replacement (MVR; n = 29), and SVR associated with MAP (SVR + MAP; n = 43) for DCM, in 11 Japanese hospitals. We analysed mid-term outcomes, specifically freedom from cardiac death and cardiac event. Results Hospital deaths occurred in 16 patients (15.1%) and cardiac deaths in 36 patients (34.0%) during the study period of 4.4 ± 3.5 years. Freedom from cardiac death at 7 years in patients undergoing MAP, MVR, and SVR + MAP were, respectively, 79.1%, 82.6%, and 29.5% (P
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