Classification and Prognostic Evaluation of Left Ventricular Remodeling in Patients With Asymptomatic Heart Failure

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Patients with asymptomatic heart failure (HF; stage A and B) are characterized by maladaptive left ventricular (LV) remodeling. Classic 4-group classification of remodeling considers only LV mass index and relative wall thickness as variables. Complex remodeling classification (CRC) includes also LV end-diastolic volume index. Main aim was to assess the prognostic impact of CRC in stage A and B HF. A total of 1,750 asymptomatic subjects underwent echocardiographic examination as a screening evaluation in the presence of cardiovascular risk factors. LV dysfunction, both systolic (ejection fraction) and diastolic (transmitral flow velocity pattern), was evaluated, together with LV remodeling. We considered a composite end point: all-cause death, myocardial infarction, coronary revascularizations, cerebrovascular events, and acute pulmonary edema. CRC was suitable for 1,729 patients (men 53.6%; age 58.3 ± 13 years). Two hundred thirty-eight patients presented systolic dysfunction (ejection fraction <50%) and 483 diastolic dysfunction. According to the CRC, 891 patients were normals or presented with physiologic hypertrophy, 273 concentric remodeling, 47 eccentric remodeling, 350 concentric hypertrophy, 29 mixed hypertrophy, 86 dilated hypertrophy, and 53 eccentric hypertrophy. Age and gender distribution was noticed (p <0.001). After a median follow-up of 21 months, Kaplan-Meier analysis showed different survival distribution (p <0.001) of the CRC patterns. In multivariate Cox regression (adjusted for age, gender, history of stable ischemic heart disease, classic remodeling classification, systolic, and diastolic dysfunction), CRC was independent predictor of primary end point (p = 0.044, hazard ratio 1.101, 95% CI 1.003 to 1.21), confirmed in a logistic regression (p <0.03). In conclusion, CRC could help physicians in prognostic stratification of patients in stage A and B HF.




Pugliese, N. R., Fabiani, I., La Carrubba, S., Conte, L., Antonini-Canterin, F., Colonna, P., … Di Bello, V. (2017). Classification and Prognostic Evaluation of Left Ventricular Remodeling in Patients With Asymptomatic Heart Failure. American Journal of Cardiology, 119(1), 71–77.

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