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Background and Aims There are several reports showing on the relationship between electrocardiographic (ECG) findings and prognosis in dialysis patients. We recently reported that among various ECG findings, T-wave of lead aVR (aVRT) amplitude revealed the strongest and significant association with cardiovascular disease (CVD) events and all-cause mortality in prevalent dialysis patients (Ther Apher Dial, 2017). We also reported that BNP level was significantly associated with CVD-related mortality and all-cause mortality in our cohort study (Ren Fail, 2018; Sci Rep, 2019). On the other hand, BNP levels have been reported to be higher among elderly and women and lower in people with higher body mass index. However, there is no report showing the correlation between NT-proBNP and ECG findings. Method From our Miyazaki Dialysis Cohort, we extracted patients who had both ECG findings and NT-proBNP data and did not have atrial fibrillation. We examined the relationship between log NT-proBNP level and various ECG findings using Spearman analysis as a cross-sectional study. Results We analyzed 519 hemodialysis patients (44.1% women, mean age was 66.1 years old, median dialysis vintage was 105 months) without atrial fibrillation. Diabetes mellitus was the underlying disease in 25.0% and a history of CVD was found in 25.2% of all patients. Median and IQR (25-75 percentile) of NT proBNP was 4150 (1980-8960). Log NT-proBNP level was significantly correlated with aVRT magnitude (mV), electrical left ventricular high voltage (mV), QTc time (ms), and T-wave amplitude of I lead (mV) (r=0.289, p&amp;lt;0.01; r=0.248, p&amp;lt;0.01; r=0.271, p&amp;lt;0.01; r=-0.282, p&amp;lt;0.01, respectively). However, log NT-proBNP did not show significant correlation with heart rate, PR interval and QRS duration. These significant correlations between these ECG findings and log NT-proBNP were higher in men compared with women. Conclusion Although some ECG findings and BNP level are factors associated with CVD events and death, there was also a significant correlation between these two factors. There has been no report showing the relationships between these two factors, and it may be useful in considering BNP levels in dialysis patients.

P1259RELATIONSHIP BETWEEN NT-PROBNP AND ELECTROCARDIOGRAPHIC FINDINGS IN PREVALENT HEMODIALYSIS PATIENTS