JOURNAL ARTICLE
OBSERVATIONAL STUDY
PRAGMATIC CLINICAL TRIAL
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Prevention of post procedural acute kidney injury in the catheterization laboratory in a real-world population.

BACKGROUND: Radiologists and cardiologists have a remarkably different approach to the clinical importance and to the need for prophylactic treatment of contrast-induced acute kidney injury (CI-AKI).

OBJECTIVES: To evaluate the efficacy of forced diuresis with matched controlled hydration (FMH) in a real-world, high risk population.

METHODS: This is an investigator-driven, single-center, retrospective analysis of prospectively collected data. A total of 150 consecutive patients undergoing coronary angiography, angioplasty or TAVR who were treated with FMH were compared to a matched historical control cohort.

RESULTS: In the FMH treated patients, eGFR improved following the procedure from 37ml/min per 1.73m2 at baseline to 39ml/min per 1.73m2 (p<0.001); the net creatinine decreased from 1.85mg/dl to 1.78mg/dl (p<0.001). Among the matched control group, eGFR deteriorated from a baseline value of 36.7ml/min per 1.73m2 to 33.2ml/min per 1.73m2 post procedurally (p<0.001); the net creatinine increased from 1.88mg/dl to 2.14mg/dl (p<0.001). The incidence of post procedural AKI was substantially lower in the FMH treated group (2.7%) compared to the control group (26.7%). By multivariable analysis FMH treatment was independently correlated with reduced incidence of post procedural AKI compared with the control group (OR 0.06, p<0.001). Contrast volume did not correlate with AKI in neither univariate nor multivariate analyses.

CONCLUSIONS: In patients undergoing coronary angiography, angioplasty or TAVR, who are considered high risk to develop post procedural AKI, forced diuresis with matched controlled hydration resulted in a significant net creatinine decrease, eGFR increase and a decrease in the incidence of AKI.

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