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Discrepancies in FVII:C levels depending on the thromboplastin: about a case
Author(s) -
Rémi Balluet,
Alexane Bourguig,
Marie-Odile Geay-Baillat,
Sandra Le Quellec
Publication year - 2020
Publication title -
annales de biologie clinique
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.167
H-Index - 27
eISSN - 1950-6112
pISSN - 0003-3898
DOI - 10.1684/abc.2020.1545
Subject(s) - thromboplastin , factor vii , medicine , partial thromboplastin time , coagulation
Factor VII deficiency is the most common of the rare coagulation deficiencies. A hemorrhagic syndrome may occur in patients with FVII deficiency below 20%, although no correlation exist between the plasma FVII activity level (FVII:C) and the bleeding risk. Therefore, the management of surgery in patients with FVII deficiency remains challenging. Laboratory monitoring of FVII:C level may be helpful but should be interpreted with caution, because the dosage of FVII:C level may vary depending on the origin of the thromboplastin used. Herein, we report the case of the management of a woman who had been fortuitously diagnosed during pregnancy with FVII deficiency due to FVII variant Padua, which have induced discrepant results between two different laboratories.

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