• Eur J Emerg Med · Jun 2019

    Comparative Study

    Appropriate use of laboratory test requests in the emergency department: a multilevel intervention.

    • Peiman Nazerian, Simone Vanni, Alessandra Fanelli, Linda Fallai, Cesare Duranti, Agostino Ognibene, Stefano Rapi, Laura Betti, Matteo Tomaiuolo, Monica Calamai, and Stefano Grifoni.
    • Departments of Emergency Medicine.
    • Eur J Emerg Med. 2019 Jun 1; 26 (3): 205-211.

    ObjectiveLaboratory test requests in the emergency department (ED) are increasing worldwide. We evaluated whether a multilevel intervention on the basis of the optimization of test profiles and educational meetings with physicians could reduce the number of tests ordered.Patients And MethodsIn a single-center before and after study design, the 8-month intervention period was compared with the 8-month preintervention period. Laboratory test profiles were reduced from 6 to 2 and the number of tests in each profile was reduced by 50%. All physicians received education about the costs and appropriate use of the tests. Primary outcomes were the number of laboratory blood tests and their costs, with a focus on high-cost tests. Secondary outcomes were ED and laboratory performances (patients' waiting time, number of deaths in ED, re-entry, laboratory turn-around time, and add-on tests).ResultsOverall, 61 976 and 61 154 patients were evaluated, respectively, during the intervention and the preintervention period. Laboratory blood test requests were decreased by 207 637 (-36.3%) in the intervention period (P < 0.05), which corresponds to a reduction of 337.3 tests/100 patients. Costs were decreased by 608 079&OV0556; ( - 29.6%, P < 0.05), leading to a cost reduction of 981.2&OV0556;/100 patients. High-cost test requests decreased by 11 457 ( - 27.3%) and contributed toward the overall reduction in costs with 197 206&OV0556; ( - 30.5%). No significant differences were found in ED and laboratory performances between intervention and preintervention periods.ConclusionsOptimization of test profiles and education on the costs and appropriate use of the tests significantly reduced laboratory test ordering and costs without affecting ED and laboratory performances.

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