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• W2018990218 abstract "Radiocontrast medium- (RM) associated nephrotoxicity continues to be a common cause of acute renal failure and may lead in patients with pre-existing chronic renal insufficiency even to end-stage renal failure requiring chronic dialysis. Since extracorporeal removal of RM after RM administration has been shown to be effective but does not prevent radiocontrast-induced nephropathy, the effect of a simultaneous dialysis during RM administration on renal function is not clear.In a prospective, randomized and controlled trial, we studied the effect of a 4-hour online dialysis during RM (iomeprol) application in patients with advanced chronic renal failure (serum creatinine > or = 3 mg/dl) undergoing coronary angiography. All patients received hydration with saline before and after standardized coronary angiography and were randomized to receive a simultaneous high-flux hemodialysis (7 patients, HD group) or to control group (10 patients). 24-hour creatinine clearance (CrCl) was measured in all patients before, 1 week and 8 weeks after coronary angiography. The clinical follow-up comprised 8 weeks after RM application. RM plasma levels were measured in both groups 15, 30, 60 minutes, 2, 4, 12, 24, 48 and 72 hours after application by high-pressure liquid chromatography.At baseline, CrCl (19 +/- 10 vs 17 +/- 7 ml/min), percentage of diabetics (57 vs 70%) and dose of RM (77 +/- 27 vs 86 +/- 21 ml) were similar in both groups. Pharmacokinetics: Total clearance of iomeprol was significantly higher (54 +/- 15 vs 20 +/- 12 ml/min, p < 0.001) and the area under curve (AUC) was significantly lower (23 +/- 10 g x h/l vs 94 +/- 57 g x h/l, p < 0.001) in the HD group compared to control group. RM peak plasma levels 15 min after application were not different in both groups (3.0 +/- 1.1 vs 4.2 +/- 1.7 mmol/l, NS), however, significantly lower 60 min (1.6 +/- 0.4 vs 3.7 +/- 1.5 mmol/l, p < 0.01) and 240 min (0.7 +/- 0.3 vs 2.3 +/- 0.7 p < 0.001) after angiography.CrCl showed no difference 1 week (24 +/- 11 vs 19 +/- 9 ml/min, ns) and 8 weeks (24 +/- 5 vs 20 +/- 9 ml/min, NS) after angiography from baseline or between the groups. In each group, 2 patients developed end-stage renal disease and requested permanent dialysis during the 8-week follow-up.Simultaneous dialysis reduces AUC of iomeprol significantly, however, does not influence plasma peak concentration after angiography. Renal function and incidence of end-stage renal failure were not influenced by online-dialysis." @default.
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• W2018990218 date "2003-09-01" @default.
• W2018990218 modified "2023-10-14" @default.
• W2018990218 title "Simultaneous hemodialysis during coronary angiography fails to prevent radiocontrast- induced nephropathy in chronic renal failure" @default.
• W2018990218 doi "https://doi.org/10.5414/cnp60176" @default.
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