Global Incidence and Outcomes of Adult Patients With Acute Kidney Injury After Cardiac Surgery: A Systematic Review and Meta-Analysis.

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Global Incidence and Outcomes of Adult Patients With Acute Kidney Injury After Cardiac Surgery: A Systematic Review and Meta-Analysis.


JournalJournal of cardiothoracic and vascular anesthesia
Publication date – Jan – 2016
Authors – Hu J, Chen R, Liu S, Yu X, Zou J, Ding X
Keywordsacute kidney injury, cardiac surgery, cardiopulmonary bypass, coronary artery bypass grafting
Open access – No
SpecialityAnaesthesia, Cardiothoracic surgery, Vascular surgery
World region Global

Language – English
Submitted to the One Surgery Index on July 23, 2018 at 1:15 am
Abstract:

OBJECTIVES:
To estimate the global incidence and outcomes of acute kidney injury (AKI) after cardiac surgery in adult patients.

DESIGN:
A systematic review and meta-analysis.

SETTING:
Cardiac surgery wards.

PARTICIPANTS:
Adult patients after cardiac surgery

INTERVENTIONS:
None.

MEASUREMENTS AND MAIN RESULTS:
The authors searched PubMed, Web of Science, Cochrane Library, OVID, and EMBASE databases for all articles on cardiac surgery patients published during 2004 to 2014. Meta-analyses were conducted to generate pooled incidence, mortality, ICU length of stay, and length of hospital stay. The authors also described the variations according to study design, criteria of AKI, surgical methods, countries, continents, and their economies. After a primary and secondary screen, 91 observational studies with 320,086 patients were identified. The pooled incidence rates of AKI were 22.3% (95% confidence interval [CI], 19.8 to 25.1) in total and 13.6%, 3.8%, and 2.7% at stages 1, 2, and 3, respectively, whereas 2.3% of patients received renal replacement therapy. The pooled short-term and long-term mortality were 10.7% and 30%, respectively, and increased along with the severity of stages. The pooled unadjusted odds ratio for short-term and long-term mortality in patients with AKI relative to patients without AKI was 0.144 (95% CI, 0.108 to 0.192, p<0.001) and 0.342 (95% CI 0.287-0.407, p<0.001), respectively. The pooled average ICU length of stay and length of hospital stay in the AKI group were 5.4 and 15 days, respectively, while they were 2.2 and 10.5 days in the no-AKI group.

CONCLUSIONS:
AKI is a great burden for patients undergoing cardiac surgery and can affect short-term and long-term prognoses of these patients.

OSI Number – 10196
PMID – 26482484

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