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Autoimmune Acquired Factor XIII Deficiency: A Case Report

Authors Marco A, Marco P

Received 29 October 2020

Accepted for publication 29 December 2020

Published 9 February 2021 Volume 2021:12 Pages 63—68


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 5

Editor who approved publication: Dr Martin Bluth

Ana Marco,1,2 Pascual Marco1– 3

1Thrombosis and Hemostasis Department, Hematology Service, University General Hospital in Alicante, Alicante, Spain; 2Biomedical Health Research Institute, University General Hospital in Alicante, Alicante, Spain; 3Department of Clinical Medicine, Miguel Hernández University, Alicante, Spain

Correspondence: Ana Marco
University General Hospital in Alicante, Pintor Baeza 12, Alicante, 03010, Spain
Tel +34 965913863
Fax +34 965913869

Abstract: Autoimmune acquired factor XIII (FXIII) deficiency is a rare disorder characterized by severe spontaneous hematomas and autoantibodies against FXIII. High mortality rates have been reported (18% within a year of diagnosis). We present a 70-year-old patient with recurrent muscular hematomas. The basic hemostasis study and the coagulation factors were within normal ranges. The aggregation platelet study was also normal and von Willebrand disease was excluded. Bearing in mind the recurrent bleeding history and the described laboratory results, we considered a FXIII deficiency, that was confirmed (FXIII< 10%). In addition, we suspected an acquired FXIII deficiency since the patient did not report a personal or family history of bleeding and FXIII gene sequencing study was normal. Non-immune causes were ruled out, and plasma autoantibodies against FXIII were detected. Immunosuppression was rapidly initiated to eradicate inhibitor as was hemostatic treatment to obtain bleeding control. Currently, the patient is asymptomatic, but a low level of FXIII inhibitor remains.

Keywords: acquired disease, autoantibodies, factor XIII deficiency, hematoma, spontaneous

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