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Zarychanski R, Abou-Setta AM, Turgeon AF, et al. Association of Hydroxyethyl Starch Administration With Mortality and Acute Kidney Injury in Critically Ill Patients Requiring Volume Resuscitation: A Systematic Review and Meta-analysis. JAMA. 2013;309(7):678–688. doi:10.1001/jama.2013.430
Caring for the Critically Ill Patient Section Editor: Derek C. Angus, MD, MPH, Contributing Editor, JAMA (email@example.com).
Author Affiliations: Department of Internal Medicine, Sections of Critical Care and Hematology and Medical Oncology (Dr Zarychanski), George & Fay Yee Center for Healthcare Innovation (Drs Zarychanski and Abou-Setta), University of Manitoba, and Winnipeg Regional Health Authority (Drs Zarychanski and Abou-Setta), and Cancercare Manitoba (Dr Zarychanski), Winnipeg, Canada; Division of Critical Care Medicine, Department of Anesthesiology, Centre de recherche du CHU de Québec, Enfant-Jésus Hospital, Axe Traumatologie-Urgence-Soins Intensifs, Université Laval, Québec City, Québec (Dr Turgeon); Faculty of Medicine, University of Manitoba, Winnipeg (Ms Houston); Clinical Epidemiology Program, Ottawa Hospital Research Institute, Department of Medicine, University of Ottawa, Ottawa, Ontario (Drs McIntyre and Fergusson); Department of Surgery, University of Toronto, and the Li Ka Shing Knowledge Institute, St Michael's Hospital, Toronto, Ontario (Dr Marshall).
Importance Hydroxyethyl starch is commonly used for volume resuscitation yet has been associated with serious adverse events, including acute kidney injury and death. Clinical trials of hydroxyethyl starch are conflicting. Moreover, multiple trials from one investigator have been retracted because of scientific misconduct.
Objectives To evaluate the association of hydroxyethyl starch use with mortality and acute kidney injury.
Data Sources Randomized controlled trials from MEDLINE, EMBASE, CENTRAL, Global Health, HealthStar, Scopus, Web of Science, the International Clinical Trials Registry Platform (inception to October 2012), reference lists of relevant articles, and gray literature.
Study Selection Two reviewers independently identified randomized controlled trials comparing hydroxyethyl starch with other resuscitation fluids in critically ill patients receiving acute volume resuscitation.
Data Extraction Two reviewers independently extracted trial-level data including population characteristics, interventions, outcomes, and funding sources. Risk of bias was assessed using the risk of bias tool; the strength of evidence was adjudicated using the GRADE methodology.
Results We included 38 eligible trials comparing hydroxyethyl starch to crystalloids, albumin, or gelatin. The majority of trials were categorized as having an unclear risk or high risk of bias. For the 10 880 patients in studies contributing mortality data, the risk ratio (RR) for death among patients randomized to receive hydroxyethyl starch was 1.07 (95% CI, 1.00 to 1.14; I2, 0%; absolute risk [AR], 1.20%; 95% CI, −0.26% to 2.66%). This summary effect measure included results from 7 trials performed by an investigator whose subsequent research had been retracted because of scientific misconduct. When we excluded these 7 trials that involved 590 patients, hydroxyethyl starch was found to be associated with increased mortality among 10 290 patients (RR, 1.09; 95% CI, 1.02 to 1.17; I2, 0%; AR, 1.51%; 95% CI, 0.02% to 3.00%), increased renal failure among 8725 patients (RR, 1.27; 95% CI, 1.09 to 1.47; I2, 26%; AR, 5.45%; 95% CI, 0.44% to 10.47%), and increased use of renal replacement therapy among 9258 patients (RR, 1.32; 95% CI, 1.15 to 1.50; I2, 0%; AR, 3.12%; 95% CI, 0.47% to 5.78%).
Conclusion and Relevance In critically ill patients requiring acute volume resuscitation, use of hydroxyethyl starch compared with other resuscitation solutions was not associated with a decrease in mortality. Moreover, after exclusion of 7 trials performed by an investigator whose research has been retracted because of scientific misconduct, hydroxyethyl starch was associated with a significant increased risk of mortality and acute kidney injury. Clinical use of hydroxyethyl starch for acute volume resuscitation is not warranted due to serious safety concerns.
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