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Clinical characteristics and long-term outcomes of patients with heart failure with improved ejection fraction. First polish experience from LECRA-HF registry.
Advances in Medical Sciences 2024 March 5
PURPOSE: Heart failure (HF) with improved ejection fraction (HFimpEF) is a new category of HF introduced in the newest European Society of Cardiology guidelines. However, clinical characteristics and long-term outcomes of HFimpEF patients remain insufficiently elucidated. We sought to characterize Polish HFimpEF patients and determine their long-term mortality.
MATERIAL AND METHODS: Of 1186 patients enrolled in the single-center Lesser Poland Cracovian Heart Failure (LECRA-HF) registry between 2009 and 2019 and hospitalized due to HF decompensation, 340 (28.7%) were those with HF with reduced ejection fraction (HFrEF). Based on follow-up echocardiography, 61 (17.9%) of them were classified as HFimpEF and the remaining as HFnon-impEF.
RESULTS: HFimpEF patients were more frequently females (P < 0.001), had higher baseline left ventricular ejection fraction (LVEF, P < 0.001), had less often a history of diabetes (P = 0.024), severe chronic kidney disease (P = 0.026) or prior myocardial infarction (P = 0.008) than HFnon-impEF patients. By multivariable analysis the HFimpEF diagnosis was independently predicted by baseline NYHA I/II (odds ratio [OR] 2.347, 95% confidence interval [95%CI] 1.020-5.405), non-ischemic etiology (OR 3.096, 95%CI 1.587-6.024), lack of diabetes mellitus (OR 2.016, 95%CI 1.059-3.846) and higher baseline LVEF (OR 1.084, 95%CI 1.042-1.126, per 1%). Within the median 49 (25-77) months all-cause mortality was lower in HFimpEF than in HFnon-impEF (10.8 vs 16.4%/year, P = 0.004).
CONCLUSIONS: Our findings indicate that every sixth Polish patient with HFrEF has a chance to improve LVEF during follow-up and to become a HFimpEF patient. Baseline characteristics of HFimpEF patients are different from HFnon-impEF. Simultaneously, the HFimpEF diagnosis is associated with higher long-term survival.
MATERIAL AND METHODS: Of 1186 patients enrolled in the single-center Lesser Poland Cracovian Heart Failure (LECRA-HF) registry between 2009 and 2019 and hospitalized due to HF decompensation, 340 (28.7%) were those with HF with reduced ejection fraction (HFrEF). Based on follow-up echocardiography, 61 (17.9%) of them were classified as HFimpEF and the remaining as HFnon-impEF.
RESULTS: HFimpEF patients were more frequently females (P < 0.001), had higher baseline left ventricular ejection fraction (LVEF, P < 0.001), had less often a history of diabetes (P = 0.024), severe chronic kidney disease (P = 0.026) or prior myocardial infarction (P = 0.008) than HFnon-impEF patients. By multivariable analysis the HFimpEF diagnosis was independently predicted by baseline NYHA I/II (odds ratio [OR] 2.347, 95% confidence interval [95%CI] 1.020-5.405), non-ischemic etiology (OR 3.096, 95%CI 1.587-6.024), lack of diabetes mellitus (OR 2.016, 95%CI 1.059-3.846) and higher baseline LVEF (OR 1.084, 95%CI 1.042-1.126, per 1%). Within the median 49 (25-77) months all-cause mortality was lower in HFimpEF than in HFnon-impEF (10.8 vs 16.4%/year, P = 0.004).
CONCLUSIONS: Our findings indicate that every sixth Polish patient with HFrEF has a chance to improve LVEF during follow-up and to become a HFimpEF patient. Baseline characteristics of HFimpEF patients are different from HFnon-impEF. Simultaneously, the HFimpEF diagnosis is associated with higher long-term survival.
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