What is the frequency and prevalence of heparin-induced thrombocytopenia (HIT)?

Updated: Oct 16, 2019
  • Author: Daniel R Ouellette, MD, FCCP; Chief Editor: Zab Mosenifar, MD, FACP, FCCP  more...
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Answer

The highest frequency of HIT, 5%, has been reported in post–orthopedic surgery patients receiving up to 2 weeks of unfractionated heparin. HIT occurred in approximately 0.5% of post–orthopedic surgery patients receiving LMWH for up to 2 weeks.


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