Journal
JOURNAL OF RENAL NUTRITION
Volume 17, Issue 4, Pages 243-249Publisher
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.jrn.2007.02.004
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Objective: The aim of the present study was to address the effect of n-3 polyunsaturated fatty acids (PUFAs) on heart rate variability (HRV) in patients treated with chronic hemodialysis. Design: We performed a randomized, placebo-controlled intervention trial. Setting: The study took place at two hospital-based dialysis centers. Patients: Thirty patients with documented cardiovascular disease who were treated with hemodialysis for at least 6 months were included. Intervention: Treatment consisted of 1.7 g of n-3 PUFA or a control treatment (olive oil). Main Outcome Measure: The outcome measure was 24-hour Holter recordings with time domain HRV measurements at baseline and after 3 months of treatment. Blood samples were obtained to assess the content of n-3 PUFA in serum phospholipids before and after treatment. Results: n-3 PUFA did not significantly affect time domain parameters of HRV, compared with a control group. Conclusion: We conclude that treatment with n-3 PUFA does not increase HRV in patients treated with chronic hemodialysis, a result that may have been compromised by a small sample size. (C) 2007 by the National Kidney Foundation, Inc.
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