Irina M Mostovaya1, Michiel L Bots, Marinus A van den Dorpel, Muriel P C Grooteman, Otto Kamp, Renée Levesque, Piet M Ter Wee, Menso J Nubé, Peter J Blankestijn. 1. Department of Nephrology and, †Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands;, ‡Department of Internal Medicine, Maasstad Hospital, Rotterdam, The Netherlands;, §Department of Nephrology,, ‖Institute for Cardiovascular Research, and, ¶Department of Cardiology, VU Medical Center, Amsterdam, The Netherlands, *Department of Nephrology, Centre Hospitalier de l'Université de Montréal, St. Luc Hospital, Montréal, Québec, Canada.
Abstract
BACKGROUND AND OBJECTIVE:Increased left ventricular mass (LVM), low ventricular ejection fraction (EF), and high pulse-wave velocity (PWV) relate to overall and cardiovascular mortality in patients with ESRD. The aim of this study was to determine the effect of online hemodiafiltration (HDF) versus low-flux hemodialysis (HD) on LVM, EF, and PWV. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Echocardiography was used to assess LVM and EF in 342 patients in the CONvective TRAnsport STudy followed for up to 4 years. PWV was measured in 189 patients for up to 3 years. Effect of HDF versus HD on LVM, EF, and PWV was evaluated using linear mixed models. RESULTS:Patients had a mean age of 63 years, and 61% were male. At baseline, median LVM was 227 g (interquartile range [IQR], 183-279 g), and median EF was 65% (IQR, 55%-72%). Median PWV was 9.8 m/s (IQR, 7.5-12.0 m/s). There was no significant difference between the HDF and HD treatment groups in rate of change in LVM (HDF: change, -0.9 g/yr [95% confidence interval (95% CI), -8.9 to 7.7 g]; HD: change, 12.5 g/yr [95% CI, -3.0 to 27.5 g]; P for difference=0.13), EF (HDF: change, -0.3%/yr [95% CI, -2.3% to 1.8%]; HD: change, -3.4%/yr [95% CI, -5.9% to -0.9%]; P=0.17), or PWV (HDF: change, -0.0 m/s per year [95% CI, -0.4 to 0.4 m/s); HD: change, 0.0 m/s per year [95% CI, -0.3 to 0.2 m/s]; P=0.89). No differences in rate of change between treatment groups were observed for subgroups of age, sex, residual kidney function, dialysis vintage, history of cardiovascular disease, diabetes, or convection volume. CONCLUSIONS: Treatment with online HDF did not affect changes in LVM, EF, or PWV over time compared with HD.
RCT Entities:
BACKGROUND AND OBJECTIVE: Increased left ventricular mass (LVM), low ventricular ejection fraction (EF), and high pulse-wave velocity (PWV) relate to overall and cardiovascular mortality in patients with ESRD. The aim of this study was to determine the effect of online hemodiafiltration (HDF) versus low-flux hemodialysis (HD) on LVM, EF, and PWV. DESIGN, SETTING, PARTICIPANTS, & MEASUREMENTS: Echocardiography was used to assess LVM and EF in 342 patients in the CONvective TRAnsport STudy followed for up to 4 years. PWV was measured in 189 patients for up to 3 years. Effect of HDF versus HD on LVM, EF, and PWV was evaluated using linear mixed models. RESULTS:Patients had a mean age of 63 years, and 61% were male. At baseline, median LVM was 227 g (interquartile range [IQR], 183-279 g), and median EF was 65% (IQR, 55%-72%). Median PWV was 9.8 m/s (IQR, 7.5-12.0 m/s). There was no significant difference between the HDF and HD treatment groups in rate of change in LVM (HDF: change, -0.9 g/yr [95% confidence interval (95% CI), -8.9 to 7.7 g]; HD: change, 12.5 g/yr [95% CI, -3.0 to 27.5 g]; P for difference=0.13), EF (HDF: change, -0.3%/yr [95% CI, -2.3% to 1.8%]; HD: change, -3.4%/yr [95% CI, -5.9% to -0.9%]; P=0.17), or PWV (HDF: change, -0.0 m/s per year [95% CI, -0.4 to 0.4 m/s); HD: change, 0.0 m/s per year [95% CI, -0.3 to 0.2 m/s]; P=0.89). No differences in rate of change between treatment groups were observed for subgroups of age, sex, residual kidney function, dialysis vintage, history of cardiovascular disease, diabetes, or convection volume. CONCLUSIONS: Treatment with online HDF did not affect changes in LVM, EF, or PWV over time compared with HD.
Entities:
Keywords:
cardiovascular; ejection fraction; hemodialysis; left ventricular mass; pulse-wave velocity
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