• Nicholas J Heyer, James H Derzon, Linda Winges, Colleen Shaw, Diana Mass, Susan R Snyder, Paul Epner, James H Nichols, Julie A Gayken, Dennis Ernst, and Edward B Liebow.
• Battelle Centers for Public Health Research and Evaluation, USA. heyern@battelle.org
• Clin. Biochem. 2012 Sep 1;45(13-14):1012-32.

ObjectiveTo complete a systematic review of emergency department (ED) practices for reducing hemolysis in blood samples sent to the clinical laboratory for testing.ResultsA total of 16 studies met the review inclusion criteria (12 published and 4 unpublished). All 11 studies comparing new straight needle venipuncture with IV starts found a reduction in hemolysis rates, [average risk ratio of 0.16 (95% CI=0.11-0.24)]. Four studies on the effect of venipuncture location showed reduced hemolysis rates for the antecubital site [average risk ratio of 0.45 (95% CI=0.35-0.57].ConclusionsUse of new straight needle venipuncture instead of IV starts is effective at reducing hemolysis rates in EDs, and is recommended as an evidence-based best practice. The overall strength of evidence rating is high and the effect size is substantial. Unpublished studies made an important contribution to the body of evidence. When IV starts must be used, observed rates of hemolysis may be substantially reduced by placing the IV at the antecubital site.© 2012 The Canadian Society of Clinical Chemists. Published by Elsevier Inc. All rights reserved.

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