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Aim:To determine the baseline characteristics of heart failure patients in Singapore undergoing cardiac resynchronization therapy (CRT); the long term outcome and predictors of response to CRT.
Methodology:Among patients undergoing CRT for severe heart failure according to indications stipulated in international Cardiology guidelines, baseline demographic data is collected. Age, gender, NYHA functional class, co-morbidities, QRS width on ECG, presence of left bundle branch block pattern on ECG, presence of atrial fibrillation, left ventricular ejection fraction (LVEF) on echocardiogram, ventricular dimensions, 6 min walk test distance are collected. In addition, during the CRT implant procedure, blood is drawn from the vascular access and analysed for NT-pro BNP levels and other biomarkers of heart failure.
The echocardiographic and ECG parameters and blood biomarkers are reanalysed at 6 months and 12 months following CRT implant. Response to CRT is defined as a reduction in the iLVESV (left ventricular end-systolic volume index to body surface area) of >/= 15% and/or an increase in the LVEF of >/= 10%.
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Among patients undergoing CRT for severe heart failure according to indications stipulated in international Cardiology guidelines, baseline demographic data is collected. Age, gender, NYHA functional class, comorbidities, QRS width on ECG, presence of left bundle branch block pattern on ECG, presence of atrial fibrillation, left ventricular ejection fraction (LVEF) on echocardiogram, ventricular dimensions, 6 min walk test distance are collected. In addition, during the CRT implant procedure, blood is drawn from the vascular access and analysed for NT-pro BNP levels and other biomarkers of heart failure. The echocardiographic and ECG parameters and blood biomarkers are reanalysed at 6 months and 12 months following CRT implant. Response to CRT is defined as a reduction in the iLVESV (left ventricular end-systolic volume index to body surface area) of >/= 15% and/or an increase in the LVEF of >/= 10%.
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500 participants in 1 patient group
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Pipin Kojodjojo, MD PHD
Data sourced from clinicaltrials.gov
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