This study evaluates remote ischemic preconditioning as an strategy to avoid contrast induced nephropathy. All of the patients will receive endovenous normal saline to prevent nephropathy, half of the patients will receive remote ischemic preconditioning while the other half will not.
This study evaluates remote ischemic preconditioning as an strategy to avoid contrast induced nephropathy, this preconditioning is administered through repeated insufflation of an arterial pressure cuff in one of the patient arms, which in theory liberates vasoactive mediators that prevents the ischemic damage to the kidneys secondary to contrast media. All of the patients will receive endovenous normal saline to prevent nephropathy, which is a common strategy in our institution. Half of the patients will receive remote ischemic preconditioning while the other half will only receive a dummy preconditioning intended to keep the double blind strategy of the trial. The main endpoint will be to ascertain the incidence of contrast induced nephropathy in both arms of the study, as a way to evaluate the efficacy of this strategy.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Repeated remote ischemic preconditioning by arterial cuff insufflation.
endovenous normal saline 1 mL per Kg per hour before and after contrast media injection.
Grupo Nefrología Fundación Valle del Lili
Cali, Valle del Cauca Department, Colombia
Contrast induced nephropathy incidence
Increase in serum creatinine by 0,3 mg/dL compared to initial values.
Time frame: 48 to 72 hours
Adverse effects to preconditioning.
Any of pain in upper extremities, petechiae, bleeding from venopuncture sites, erythema.
Time frame: 0 to 72 hours.
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