![]() ![]() The massive hospital admission rate for acute, decompensated CHF (dCHF) poses a major burden on healthcare systems, being costly and negatively impacting patients’ quality of life. The intrinsicoid deflection time (obtained from V 5-6 and QR SD) could be used as a possible marker of adCHF.Ĭhronic heart failure (CHF) is still a serious, unresolved problem that undermines the economic sustainability of all national healthcare systems. V 6 R pT was directly related to NT-proBNP (r: 0.26, p < 0.001) and inversely related to a left ventricular ejection fraction (r: 0.38, p < 0.001). Multivariable logistic regression analysis demonstrated that the mean of QT ( p < 0.05) and Te ( p < 0.05) were the most reliable markers of in-hospital mortality. V 5-, V 6- ( p < 0.05) R pT, and QR SD, QRS SD, QT SD, JT SD, and Te SD p < 0.001 were significantly higher in the adCHF group. A total of 140 patients with suspected adCHF were enrolled: 87 (mean age 83 ± 10, M/F 38/49) with and 53 (mean age: 83 ± 9, M/F: 23/30) without adCHF. Patients were grouped by the age-stratified Januzzi NT-proBNP cut-off. The R pT from a standard ECG was calculated. At hospital admission, patients underwent 5-min ECG recordings, obtaining mean and standard deviation ( SD) of the following ECG intervals: QR, QRS, QT, JT, and T peak–T end (Te). Authors want to verify if QR interval or R pT, obtained from 12-lead standard ECG and during 5-min ECG recordings (II lead), could be useful to identify adCHF. R-wave peak time (R pT) or delayed intrinsicoid deflection was proposed as a risk marker of sudden cardiac death and heart failure decompensation. Acutely decompensated chronic heart failure (adCHF) is among the most important causes of in-hospital mortality. ![]()
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