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  • Title: Renoprotective effect of high periprocedural doses of oral N-acetylcysteine in patients scheduled to undergo a same-day angiography.
    Author: Balderramo DC, Verdu MB, Ramacciotti CF, Cremona LS, Lemos PA, Orías M, Eduardo M.
    Journal: Rev Fac Cien Med Univ Nac Cordoba; 2004; 61(2):13-9. PubMed ID: 16211988.
    Abstract:
    BACKGROUND: Few studies that have assessed the effect of abbreviated oral N-acetylcysteine (NAC) regimens in radiocontrast-induced nephropathy (RCIN) yield mixed results. OBJECTIVE: To evaluate the renoprotective effect of high periprocedural oral doses (HPOD) of NAC in patients with chronic renal impairment undergoing a same-day angiography. METHODS: Sixty one patients with renal impaired function scheduled to undergo a same-day angiography were randomly assigned to NAC 1200 mg orally 3 hours before and 3 after the procedure, or a placebo. All patients received 0.9% saline intravenous. RCIN was defined as an increase in SCC > 0.5 mg/dl 48 hours after the procedure. RESULTS: The mean baseline SCC for all patients was 1.44 +/- 0.42 mg/dl. A significant difference in SCC change at 48 hours after the angiography was found (-0.07 mg/dl NAC, 0.09 mg/dl placebo, P = 0.04). RCIN occurred in 1 (3%) patient of NAC group and in 2 (7.1%) patients of placebo group (P = 0.59). Adverse effects were similar in both groups. CONCLUSIONS: In patients with mild renal impairment patients undergoing angiographic procedures, HPOD of NAC were more effective than placebo in preventing SCC change 48 hours. A non significant benefit in RCIN incidence was found.
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