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Assessment of Vascular Function in Patients With Chronic Kidney Disease
Published on: June 16, 2014
Reduced residual renal function is associated with endothelial dysfunction in patients receiving peritoneal dialysis
Seung Hyeok Han1, Sang Choel Lee, Ea Wha Kang
1Division of Nephrology, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, Korea.
Summary
Residual renal function (RRF) is linked to better endothelial function in end-stage renal disease (ESRD) patients on peritoneal dialysis (PD). Maintaining RRF may help protect against endothelial dysfunction in this population.
Area of Science:
- Nephrology
- Cardiovascular Medicine
- Renal Disease Research
Background:
- Endothelial dysfunction is a common complication in end-stage renal disease (ESRD), contributing to atherosclerosis.
- The role of residual renal function (RRF) in preserving endothelial health among ESRD patients remains unclear.
- This study focuses on patients undergoing peritoneal dialysis (PD).
Purpose of the Study:
- To investigate the association between endothelial function and RRF in patients with ESRD on PD.
- To determine if RRF is an independent predictor of endothelial function in this cohort.
Main Methods:
- A cross-sectional study of 72 prevalent PD patients.
- Assessment of endothelial function using flow-mediated dilation (FMD) of the brachial artery.
- Measurement of residual glomerular filtration rate (GFR), Kt/V urea, and inflammatory markers.
Main Results:
- Patients with better FMD exhibited significantly higher residual GFR.
- Residual GFR and total Kt/V urea showed a positive correlation with FMD.
- PD duration, C-reactive protein, pulse pressure, and age were inversely correlated with FMD; RRF was an independent determinant of FMD.
Conclusions:
- Residual renal function is independently associated with endothelial function in ESRD patients on PD.
- RRF may play a protective role in maintaining endothelial health in this patient group.
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