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Description

Introduction

  • Heparin-induced thrombocytopenia (HIT) is a rare adverse reaction
  • Calculating a 4T score prior to ordering a heparin-PF4 immunoassay is recommended. For a score < 4, HIT probability is low and an assay is not advised
  • If high suspicion of HIT (4T greater than or equal to 4), an assay should be ordered, all heparin products discontinued, and a non-heparin anticoagulant initiated.

Purpose

  • Determine if heparin immunoassay ordering was indicted according to retrospective 4T score
  • Assess anticoagulation prescribing depending on the result of the assay
  • Serve as a pre-group for a planned perverse post-HIT order set implementation analysis

Publication Date

2020

City

St. Cloud

Keywords

Heparin-induced thrombocytopenia, HIT, Venous thrombosis

Disciplines

Other Pharmacy and Pharmaceutical Sciences

Comments

Poster presented at The American Society of Health-System Pharmacists Midyear Meeting, December 6-10, 2020; Virtual Experience

RP-247

Evaluation of Heparin-Induced Thrombocytopenia Antibody Laboratory Use and Anticoagulation Prescribing Patterns

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