2.2. Laboratory assays

FS Felicitas Stoll
MG Miriel Gödde
AL Albrecht Leo
HK Hugo A. Katus
OM Oliver J. Müller
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The particle gel immunoassay (PaGIA) test (Biorad, Oberschleissheim, Germany) was performed in patients from 2010 on with suspected HIT (negative predictive value 98%‐99% and positive predictive value 10%‐40%). Before 2010, an Enzyme‐linked Immunosorbent Assay (ELISA) test (Asserachrom (R) HPIA, Stago Deutschland GmbH, Düsseldorf) was performed as a screening test. In patients with a positive screening test, a functional test (heparin‐induced platelet activation test, HIPA) was initiated for further evaluation.

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