Journal of nephrology · 2013
Effects of prednisone on biomarkers of tubular damage induced by radiocontrast in interventional cardiology.
СтатьяНазвание и аннотация: Перевод в очереди
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Ribichini Flavio, Gambaro Alessia, Pighi Michele, Pesarini Gabriele, Ferraro Pietro Manuel, Zuppi Cecilia, Baroni Silvia, Penitente Romina, Ferrero Valeria, Vassanelli Corrado
Аннотация
BACKGROUND: Contrast-induced nephropathy (CI-AKI) is a complication of diagnostic/therapeutic hemodynamic procedures in cardiology, which may also cause renal cholesterolinic atheroembolism. Despite the
severe clinical impact of these complications, there is no optimal therapy for preventing and treating them. We suggest a short course of high-dose steroids as an effective preventive measure.
METHODS: Patients at risk of CI-AKI (n = 38) undergoing cardiovascular procedures were assigned 1:1 to 1 of 2 experimental arms (prednisone+hydration vs. hydration alone). Oral prednisone 1 mg/kg was administered 12 hours before, at 6 am on the same day, and 24 hours following the procedure. Serum creatinine was tested immediately before and again 24-48 hours after the procedure; neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1), protein and albumin were assayed in spot urine before and 6 hours after the procedure.
RESULTS: NGAL and KIM-1 tended to rise after the procedure, but to a lesser degree in the prednisone group (delta NGAL: hydration = +128%, prednisone = +46%; p = 0.26; delta KIM-1: hydration = +99%, prednisone = +11%; p = 0.02). Proteinuria and albuminuria decreased significantly in the prednisone group. In 5 patients developing CI-AKI, their delta NGAL and delta KIM-1 did not differ from the values seen in patients without CI-AKI. Hypertension, peripheral arteriopathy and use of low-dose aspirin or diuretics were positive predictors of baseline NGAL, while treatment with calcium channel blockers and statins were negative predictors. Statins were negative predictors of baseline KIM-1.
CONCLUSIONS: A short course of prednisone reduces the procedure-induced changes in biomarkers of renal tubular damage. This study suggests that steroids had a tubule-protecting effect.
METHODS: Patients at risk of CI-AKI (n = 38) undergoing cardiovascular procedures were assigned 1:1 to 1 of 2 experimental arms (prednisone+hydration vs. hydration alone). Oral prednisone 1 mg/kg was administered 12 hours before, at 6 am on the same day, and 24 hours following the procedure. Serum creatinine was tested immediately before and again 24-48 hours after the procedure; neutrophil gelatinase-associated lipocalin (NGAL), kidney injury molecule-1 (KIM-1), protein and albumin were assayed in spot urine before and 6 hours after the procedure.
RESULTS: NGAL and KIM-1 tended to rise after the procedure, but to a lesser degree in the prednisone group (delta NGAL: hydration = +128%, prednisone = +46%; p = 0.26; delta KIM-1: hydration = +99%, prednisone = +11%; p = 0.02). Proteinuria and albuminuria decreased significantly in the prednisone group. In 5 patients developing CI-AKI, their delta NGAL and delta KIM-1 did not differ from the values seen in patients without CI-AKI. Hypertension, peripheral arteriopathy and use of low-dose aspirin or diuretics were positive predictors of baseline NGAL, while treatment with calcium channel blockers and statins were negative predictors. Statins were negative predictors of baseline KIM-1.
CONCLUSIONS: A short course of prednisone reduces the procedure-induced changes in biomarkers of renal tubular damage. This study suggests that steroids had a tubule-protecting effect.