Effect of Left Ventricular Reverse Remodeling on Long-term Outcomes After Aortic Valve Replacement - 05/06/19
, Takeshi Kitai, MD c, Teruyoshi Kume, MD d, Toshinari Onishi, MD e, Satoshi Yuda, MD f, Kumiko Hirata, MD g, Eiji Yamashita, MD h, Takayuki Kawata, MD i, Kunihiro Nishimura, MD j, Masaaki Takeuchi, MD k, Satoshi Nakatani, MD lRésumé |
There have been few studies with a large number of patients on the effect of left ventricular (LV) reverse remodeling and long-term outcomes after aortic valve replacement (AVR). This study aimed to investigate long-term outcomes and the prognostic impact of follow-up echocardiographic parameters after AVR. We evaluated 456 consecutive patients from a retrospective multicenter registry in Japan (J-PROVE-Retro) who underwent AVR for aortic valve diseases (predominantly aortic stenosis [AS]; 326 patients and aortic regurgitation [AR]; 130 patients). Preoperative and follow-up echocardiography at 1 year after AVR was evaluated. The primary outcome measure was a composite of cardiac death or hospitalization due to heart failure. The median follow-up period was 9.2 years in AS group and 9.7 years in AR group. The freedom rate from the primary outcome was 92% at 5 years and 79% at 10 years in AS, and 97% at 5 years, and 93% at 10 years in AR. LV end-diastolic and end-systolic diameters, and the LV mass index decreased and LV ejection fraction increased after AVR in both AS and AR, and LV mass index was normalized in more than half of the patients. In the Cox proportional hazard model, echocardiographic parameters at 1 year after AVR were more strongly related to long-term outcomes than preoperative echocardiographic parameters. In conclusion, echocardiographic parameters at 1 year after AVR are more important as predictors of long-term outcomes than preoperative parameters in both AS and AR. More attention should be paid on early postoperative remodeling for long-term follow-up of patients after AVR.
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| Funding Sources: None. |
Vol 124 - N° 1
P. 105-112 - juillet 2019 Retour au numéro
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