Effects of folinic acid on forearm blood flow in patients with end-stage renal disease

Nephrology, Dialysis, Transplantation : Official Publication of the European Dialysis and Transplant Association - European Renal Association
Todd J AndersonNairne Scott-Douglas

Abstract

Abnormalities of endothelial function are likely to contribute to the accelerated atherosclerotic risk in subjects with end-stage renal disease (ESRD). While folates can improve endothelial function, their role in ESRD has not been fully studied. The objective was to determine the acute and 12 week-effect of folinic acid on endothelium-dependent vasodilation in subjects with ESRD. Forearm blood flow (FBF) was assessed by strain gauge plethysmography at baseline and after 12 weeks in 34 ESRD patients (57 +/- 14 years). Vascular function was assessed with acetylcholine (ACh), and sodium nitroprusside (SNP). Patients were randomized to receive folinic acid (50 mg i.v. once weekly) or a matching placebo. A subset of 25 subjects also received folinic acid (500 microg/min intra-arterially) or placebo to determine the acute effect on ACh and SNP mediated dilation at the time of the baseline vascular study. Folinic acid acutely improved the maximum change in ACh mediated FBF (10.0 +/- 2.4 to 12.8 +/- 2.2 ml/min/100 ml, P = 0.017), but did not change SNP responses. Chronic active therapy did not change ACh or SNP-mediated increases in FBF. Folinic acid resulted in a non-significant decrease in homocysteine (21 +/- 6 vs 28 +/- 18 micromo...Continue Reading

References

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Citations

Jun 8, 2014·European Journal of Nutrition·Angelo CagnacciBeniamino Palmieri
Jun 1, 2016·The Cochrane Database of Systematic Reviews·Sagar U NigwekarMeg J Jardine

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