Heart, lung & circulation · 2017
Predictors of Left Ventricular Functional Recovery and Their Impact on Clinical Outcomes in Patients With Newly Diagnosed Dilated Cardiomyopathy and Heart Failure.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Cho Jae Yeong, Kim Kye Hun, Song Ji Eun, Kim Ji Eun, Park Hyukjin, Yoon Hyun Ju, Yoon Nam Sik, Hong Young Joon, Park Hyung Wook, Kim Ju Han, Ahn Youngkeun, Jeong Myung Ho, Cho Jeong Gwan, Park Jong Chun
Аннотация
BACKGROUND: To identify the predictors of left ventricular functional recovery (LVFR) and its impacts on clinical outcomes in acute heart failure (AHF) patients with newly diagnosed dilated cardiomyopathy (DCM).
METHODS: A total of 175 consecutive patients with newly diagnosed DCM and AHF were divided into two groups according to LVFR on FU echocardiography; the recovered group (n=54, 54.3±18.5years, 31 males) vs. the non-recovered group (n=121, 60.5±15.1years, 79 males). Clinical, laboratory, and echocardiographic findings were compared, and major adverse cardiac and cerebrovascular events (MACCE) including death, rehospitalisation, and stroke were analysed.
RESULTS: Left ventricular function (LV) was normalised in 54 patients (30.8%) on follow-up echocardiography. The change in the level of N-terminal pro-B-type natriuretic peptide (ΔNT-proBNP) between initial presentation and discharge >1633.5pg/mL was an independent predictor of LVFR, whereas diabetes and LV end-systolic diameter >50mm were negative predictors of LVFR on multivariate analysis. During five years of clinical follow-up, MACCE developed in 91 patients: 58 deaths, 29 rehospitalisations, and 4 strokes. On multivariate analysis, baseline LVEF <30% and no LVFR were independent predictors of MACCE.
CONCLUSION: Left ventricular functional recovery was not uncommon in newly diagnosed DCM with AHF. The changes in NT-proBNP level during hospitalisation, diabetes, and larger initial LV size were independent predictors of LVFR, and LVFR was an independent predictor of future MACCE. Serial monitoring of NT-proBNP and LV function would be useful in the risk stratification of newly diagnosed DCM with AHF.
METHODS: A total of 175 consecutive patients with newly diagnosed DCM and AHF were divided into two groups according to LVFR on FU echocardiography; the recovered group (n=54, 54.3±18.5years, 31 males) vs. the non-recovered group (n=121, 60.5±15.1years, 79 males). Clinical, laboratory, and echocardiographic findings were compared, and major adverse cardiac and cerebrovascular events (MACCE) including death, rehospitalisation, and stroke were analysed.
RESULTS: Left ventricular function (LV) was normalised in 54 patients (30.8%) on follow-up echocardiography. The change in the level of N-terminal pro-B-type natriuretic peptide (ΔNT-proBNP) between initial presentation and discharge >1633.5pg/mL was an independent predictor of LVFR, whereas diabetes and LV end-systolic diameter >50mm were negative predictors of LVFR on multivariate analysis. During five years of clinical follow-up, MACCE developed in 91 patients: 58 deaths, 29 rehospitalisations, and 4 strokes. On multivariate analysis, baseline LVEF <30% and no LVFR were independent predictors of MACCE.
CONCLUSION: Left ventricular functional recovery was not uncommon in newly diagnosed DCM with AHF. The changes in NT-proBNP level during hospitalisation, diabetes, and larger initial LV size were independent predictors of LVFR, and LVFR was an independent predictor of future MACCE. Serial monitoring of NT-proBNP and LV function would be useful in the risk stratification of newly diagnosed DCM with AHF.