hidratação com bicarbonato de sódio não previne a nefropatia de contraste: ensaio clínico multicêntrico hydration with sodium bicarbonate does not prevent contrast nephropathy: a multicenter clinical trial
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2012
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Abstract
FUNDAMENTO: A exposição ao meio de contraste radiográfico pode causar comprometimento agudo da função renal. Há evidências limitadas e conflitantes de que a hidratação com bicarbonato de sódio previne a Nefropatia Induzida por Contraste (NIC) em pacientes submetidos a cateterismo cardíaco. OBJETIVO: O presente estudo teve como objetivo determinar se o bicarbonato de sódio é superior à hidratação com soro fisiológico para evitar a nefropatia em pacientes de risco submetidos a cateterismo cardíaco. MÉTODOS: Trezentos e um pacientes submetidos a intervenção coronariana percutânea ou angiografia coronariana com creatinina sérica > 1,2 mg/dL ou Taxa de Filtração Glomerular (TFG) < 50 mL/min, foram randomizados para receber hidratação com bicarbonato de sódio a partir de 1 hora antes do procedimento, e 6 horas após o procedimento, ou hidratação com solução salina a 0,9%. A NIC foi definida como um aumento de 0,5 mg/dL na creatinina em 48h. RESULTADOS: Dezoito pacientes (5,9%) desenvolveram nefropatia induzida por contraste: 9 pacientes no grupo do bicarbonato (6,1%) e 9 pacientes no grupo da solução salina (6,0%), p = 0,97. A variação na creatinina sérica foi semelhante em ambos os grupos, 0,01 ± 0,26 mg/dL no grupo do bicarbonato, e 0,01 ± 0,35 mg/dL no grupo da solução salina, p = 0,9. Não foi observada diferença estatística entre a alteração na taxa de filtração glomerular (0,89 ± 9 mL/ min vs. 2,29 ± 10 mL/min, p = 0,2, grupo do bicarbonato e grupo da solução salina, respectivamente). CONCLUSÃO: A hidratação com bicarbonato de sódio não foi superior ao soro fisiológico na prevenção a nefropatia induzida pelo contraste, em pacientes de risco submetidos a cateterismo cardíaco.
BACKGROUND: Radiographic contrast media exposition can cause acute renal function impairment. There is limited and conflicting evidence that hydration with sodium bicarbonate prevents contrast-induced nephropathy (CIN) in patients undergoing cardiac catheterization. OBJECTIVE: The present study was aimed at determining whether sodium bicarbonate is superior to hydration with saline to prevent nephropathy in patients at risk undergoing cardiac catheterization. METHODS: Three hundred and one patients undergoing coronary angiography or percutaneous coronary intervention with serum creatinine > 1.2mg/dL or glomerular filtration rate (GFR) < 50ml/min were randomized to receive hydration with sodium bicarbonate starting 1 hour before the procedure and 6 hours after the procedure, or hydration with 0.9% saline. CIN was defined as an increase of 0.5mg/dL in creatinine in 48h RESULTS: Eighteen patients (5.9%) developed contrast induced nephropathy: 9 patients in the bicarbonate group (6.1%) and 9 patients in the saline group (6.0%), p = 0.97. The change in serum creatinine was similar in both groups, 0.01 ± 0.26 mg/dL in the bicarbonate group and 0.01 ± 0.35 mg/dL in the saline group, p = 0.9. No statistical difference was observed between the change in glomerular filtration rate (0.89 ± 9 ml/min vs. 2.29 ± 10 ml/min, p = 0.2 bicarbonate group and saline group, respectively). CONCLUSION: Hydration with sodium bicarbonate was not superior to saline to prevent contrast media induced nephropathy in patients at risk undergoing cardiac catheterization.
BACKGROUND: Radiographic contrast media exposition can cause acute renal function impairment. There is limited and conflicting evidence that hydration with sodium bicarbonate prevents contrast-induced nephropathy (CIN) in patients undergoing cardiac catheterization. OBJECTIVE: The present study was aimed at determining whether sodium bicarbonate is superior to hydration with saline to prevent nephropathy in patients at risk undergoing cardiac catheterization. METHODS: Three hundred and one patients undergoing coronary angiography or percutaneous coronary intervention with serum creatinine > 1.2mg/dL or glomerular filtration rate (GFR) < 50ml/min were randomized to receive hydration with sodium bicarbonate starting 1 hour before the procedure and 6 hours after the procedure, or hydration with 0.9% saline. CIN was defined as an increase of 0.5mg/dL in creatinine in 48h RESULTS: Eighteen patients (5.9%) developed contrast induced nephropathy: 9 patients in the bicarbonate group (6.1%) and 9 patients in the saline group (6.0%), p = 0.97. The change in serum creatinine was similar in both groups, 0.01 ± 0.26 mg/dL in the bicarbonate group and 0.01 ± 0.35 mg/dL in the saline group, p = 0.9. No statistical difference was observed between the change in glomerular filtration rate (0.89 ± 9 ml/min vs. 2.29 ± 10 ml/min, p = 0.2 bicarbonate group and saline group, respectively). CONCLUSION: Hydration with sodium bicarbonate was not superior to saline to prevent contrast media induced nephropathy in patients at risk undergoing cardiac catheterization.
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| Authors | ;Vitor O. Gomes;Ricardo Lasevitch;Valter C. Lima;Fábio S. Brito Jr.;Juan Carlos Perez-Alva;Bruno Moulin;Airton Arruda;Denise Oliveira;Paulo Caramori |
| Journal | revista cubana de ciencias informáticas |
| Year | 2012 |
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