Acute and chronic cardiovascular consequences of acute kidney injury: a systematic review and meta-analysis.

Abstract

INTRODUCTIONː We examined whether patients with acute kidney injury (AKI) have a higher risk of developing atrial fibrillation (AF), heart failure (HF), acute coronary syndrome (ACS) and major adverse cardiac events (MACE) in the short- and long-term compared to patients without AKI, and if that risk is related to the severity of AKI. Furthermore, we investigated the influence of a cardiac event following AKI on the risk of all-cause mortality, length of stay in the intensive care unit and in the hospital. METHODS: We included English and Dutch retrospective and prospective cohort studies on adults (≥15 years) with AKI. Studies lacking epidemiological data, studies not using the consensus definitions (RIFLE, AKIN, KDIGO), animal studies and studies on children were excluded. Studies were identified using the PubMed and Embase search engines. The last search was performed on the first of August 2021. For assessment of method quality, NOS (Newcastle-Ottawa Scale) for assessing risk of bias was used for cohort studies and heterogeneity was determined by the I²-statistic. Statistical analysis was performed using the Cochrane Review Manager (RevMan 5.3). The risk ratio (RR) and 95% confidence interval (CI) were calculated using the Mantel-Haenszel test. Results were presented a summary caterpillar plot. RESULTSː We evaluated 14 studies comprising 736 210 patients. AKI was defined according to the RIFLE consensus in 1 article, to the AKIN criteria in 7 and to the KDIGO guidelines in 6. Of the 14 included studies, 4 were prospective and 10 were retrospective. In comparison to patients without AKI, we found that patients with AKI had a 94% increased risk of developing AF in the short term (RR: 1.94, 95% CI 1.35 to 2.79; P = 0.0004). In the long-term, patients with AKI stage 1 had a 59% increased risk of developing HF and a 77% risk of developing ACS. (RR: 1.59, 95% CI 1.07 to 2.34, P = 0.02 and RR: 1.77, 95% CI 1.68 to 1.88, P

The Author(s). Published by S. Karger AG, Basel

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