Importance of structural heart disease and diastolic dysfunction in heart failure with preserved ejection fraction assessed according to the ESC guidelines - A substudy in the Ka (Karolinska) Ren (Rennes) study

Abstract : Aims:To study prevalence and prognostic importance of diagnostic echocardiographic variables in patients with suspected heart failure with preserved ejection fraction (HFpEF) in the prospective KaRen register study.Methods and results:KaRen patients were included following an acute HF-presentation, using Framingham criteria, B-type natriuretic peptide (BNP) >100 ng/L or N-terminal pro-BNP (NT-pro-BNP) >300 ng/L, and left ventricular (LV) ejection fraction ≥45%. Echocardiography was performed after 4–8 weeks and analyzed at a core laboratory. In this substudy HFpEF was diagnosed according to the ESC guidelines for heart failure 2016.A total of 539 patients were included with a follow-up after 4–8 weeks in 438 patients. Complete echocardiography and ECG were available in 356 patients. At least two abnormal echocardiographic criteria for HFpEF were found in 94% (n = 333). Echocardiographic signs of structural heart disease and diastolic dysfunction according to 4 criteria by ESC were found in 76% (n = 270). Diastolic dysfunction was graded as mild in 30% (n = 107), moderate in 27% (n = 97) or severe in 35% (n = 124). After multivariate analyses with adjustment for age, gender, EF and natriuretic peptides we found two independent predictors of worse prognosis: presence of moderate and severe diastolic dysfunction (HR 1.8, CI 1.2–2.7, p = 0.0037) and presence of a high number (≥4) of abnormal diastolic parameters (HR 2.0, CI 1.3–3.1, p = 0.0033).Conclusion:The majority of KaRen patients with suspected HFpEF had diagnostic echocardiographic criteria for HFpEF according to ESC Guidelines. Our findings support using 2016 ESC HF guidelines for risk prediction in HFpEF.
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International Journal of Cardiology, Elsevier, 2019, 274, pp.202-207. 〈10.1016/j.ijcard.2018.06.078〉
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Soumis le : mercredi 19 décembre 2018 - 15:23:43
Dernière modification le : jeudi 10 janvier 2019 - 15:45:15

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Hans Persson, Erwan Donal, Lars H Lund, Dmitri Matan, Emmanuel Oger, et al.. Importance of structural heart disease and diastolic dysfunction in heart failure with preserved ejection fraction assessed according to the ESC guidelines - A substudy in the Ka (Karolinska) Ren (Rennes) study. International Journal of Cardiology, Elsevier, 2019, 274, pp.202-207. 〈10.1016/j.ijcard.2018.06.078〉. 〈hal-01935766〉

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