Intravenous High Dose NAC and Sodium Bicarbonate for the Prevention of Contrast-induced Acute Injury
Acute Renal Failure
About this trial
This is an interventional prevention trial for Acute Renal Failure focused on measuring N-acetylcysteine, angiography, contrast medium, contrast-induced nephropathy, sodium bicarbonate
Eligibility Criteria
Inclusion Criteria:
- eligible patients include individuals aged 18 year or older with normal renal function who were schedule to undergo cardiac catheterization. During the randomized study, consecutive eligible patients schedule for exposure to the ionic, high osmolality (2130 mOsm/Kg) contrast agent Ioxitalamato.
Exclusion Criteria:
- using metformin or nonsteroidal antiinflammatory drugs within the previous 48 hours
- intake of nephrotoxic drugs during the previous seven days
- pregnancy
- lactation
- intravascular administration of an iodinated contrast medium within the previous two days
- emergency catheterization
- pulmonary edema
- acutely decompensate congestive heart failure
- history of serious reactions to iodinated contrast mediums
- renal transplantation
- end-stage renal disease necessitating dialysis
Sites / Locations
- Hospital das Forcas Armadas - Fundacao Zerbine - INCOR
Arms of the Study
Arm 1
Arm 2
Arm 3
Arm 4
Active Comparator
Active Comparator
Active Comparator
Placebo Comparator
Intravenous NAC plus saline
Sodium bicarbonate plus saline
NAC plus sodium bicarbonate plus saline
Saline
Acetylcysteine was given via intravenous bolus at a rate of 150 mg/kg over 60 min immediately before contrast exposure and followed by 50 mg/kg during and for 6 hours after the procedure. Saline (0.9 percent) was given intravenous at a rate of 1 ml/Kg/h over 60 min prior and followed at the same rate during and for the next 6 hours the procedure.
Sodium bicarbonate solution (Sodium bicarbonate 8.4%, Equiplex, Brazil) was given by adding fifteen ampoules of sodium bicarbonate (150 mEq of sodium) to 1 L of 5% dextrose. Infusion in bolus began 60 min prior to the start of contrast administration at 3.5 ml/Kg/h, decreased to 1.18 ml/Kg/h during the contrast exposure and for the next 6 hours after the procedure. Saline (0.9 percent) was given IV at a rate of 1 ml/Kg/h over 60 min prior to the start of contrast administration and followed at the same rate during and for the next 6 hours after the procedure.
Acetylcysteine was given intravenous at a rate of 150 mg/kg over 60 min before contrast exposure and followed by 50 mg/kg during and for 6 hours after the procedure. Sodium bicarbonate solution (150 mEq/L of sodium) was given in bolus began 60 min before contrast administration at 3.5 ml/Kg/h, decreased to 1.18 ml/Kg/h during and for the next 6 hours of the procedure. Saline was given intravenous at a rate of 1 ml/Kg/h over 60 min prior to the start of contrast administration and followed at the same rate during and for the next 6 hours after the procedure.
Saline (0.9 percent) was given IV at a rate of 1 ml/Kg/h over 60 min prior to the start of contrast administration and followed at the same rate during and for the next 6 hours after the procedure.