Identification of cost-saving opportunities for the use of antithrombin iii in adult and pediatric patients

Alana Ciolek, John Lindsley, Jessica Crow, Kristen Nelson-Mcmillan, David Procaccini

Research output: Contribution to journalArticlepeer-review

Abstract

Thrombate III is a human plasma-derived antithrombin III (AT-III) often utilized in patients on extracorporeal membrane oxygenation (ECMO) with suspected AT-III-mediated heparin resistance. It is supplied as 500-U and 1000-U vials, costing US$4.66 per unit. Literature is limited in describing the clinical value of AT-III in relation to its high cost. The primary objective was to determine conditions of use and associated cost of potentially unnecessary utilization of AT-III at The Johns Hopkins Hospital. Secondary objectives included evaluating the effect of AT-III on anticoagulation parameters and the overall cost utilized and wasted on AT-III. A retrospective cohort study was performed. The primary end point was the total cost associated with potentially unnecessary utilization of AT-III. There were 326 doses of AT-III administered to 65 patients in 2014. There were 177 (54%) potentially unnecessary doses associated with a cost of US$541 634. Antithrombin III repletion significantly increased median AT-III levels in non-ECMO and ECMO patients compared to baseline (non-ECMO: 62% vs 81%, P < .01; ECMO: 63% vs 81%, P < .01); however, 37.3% of ECMO and 49% of non-ECMO patients had therapeutic anticoagulation monitoring parameters prior to administration. A total cost of US$688 478 was spent on administered AT-III and US$417 194 (38%) was wasted. Utilizing restriction criteria and a new dosing strategy potentially results in estimated annual savings of US$556 000. Utilizing restriction criteria and alternative dosing strategies to mitigate waste and unnecessary use has the potential to result in significant cost savings.

Original languageEnglish (US)
Pages (from-to)186-191
Number of pages6
JournalClinical and Applied Thrombosis/Hemostasis
Volume24
Issue number1
DOIs
StatePublished - 2018

Keywords

  • Antithrombin
  • Cardiac surgery
  • Cost
  • ECMO
  • Pediatric

ASJC Scopus subject areas

  • Hematology

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