Comparison of Usefulness of Sodium Bicarbonate Versus Sodium Chloride to Prevent Contrast-Induced Nephropathy in Patients Undergoing an Emergent Coronary Procedure
In the case of an emergency coronary procedure where the risk of contrast-induced nephropathy is especially high, there are few reliable methods to attenuate renal injury. We examined the efficacy of sodium bicarbonate for the prevention of contrast-induced nephropathy in patients undergoing an emer...
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Veröffentlicht in: | The American journal of cardiology 2007-09, Vol.100 (5), p.781-786 |
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Sprache: | eng |
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Zusammenfassung: | In the case of an emergency coronary procedure where the risk of contrast-induced nephropathy is especially high, there are few reliable methods to attenuate renal injury. We examined the efficacy of sodium bicarbonate for the prevention of contrast-induced nephropathy in patients undergoing an emergency coronary procedure. We enrolled 59 patients who were scheduled to undergo an emergency coronary angiography or intervention. These patients were randomized to receive a 154-mEq/L infusion of sodium bicarbonate (n = 30) or sodium chloride (n = 29), as a bolus of 3 ml/kg/hour for 1 hour before the administration of contrast, followed by an infusion of 1 ml/kg/hour for 6 hours during and after the procedure. In the sodium bicarbonate group, serum creatinine concentration remained unchanged within 2 days of contrast administration (1.31 ± 0.52 to 1.31 ± 0.59 mg/dl), whereas it increased in the sodium chloride group (1.32 ± 0.65 to 1.52 ± 0.92 mg/dl, p = 0.01). The incidence of contrast-induced nephropathy (an increase >0.5 mg/dl or >25% in serum creatinine concentration within 2 days of contrast) was significantly lower in the sodium bicarbonate group than in the sodium chloride group (7% vs 35%, p = 0.01, risk ratio 0.19, 95% confidence interval 0.046 to 0.80). In conclusion, hydration with sodium bicarbonate is more effective than with sodium chloride for the prevention of contrast-induced nephropathy in patients undergoing an emergency coronary procedure. |
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ISSN: | 0002-9149 1879-1913 |
DOI: | 10.1016/j.amjcard.2007.03.098 |