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Review
. 2022 Jun;37(3):292-312.
doi: 10.1002/jca.21973. Epub 2022 Feb 23.

Hemostatic effects of therapeutic plasma exchange: A concise review

Alexandre Soares Ferreira Júnior  1 , Kimberly Hodulik  2   3 , Karen D Barton  4 , Oluwatoyosi A Onwuemene  3
Affiliations
Review

Hemostatic effects of therapeutic plasma exchange: A concise review

Alexandre Soares Ferreira Júnior et al. J Clin Apher. 2022 Jun.

Abstract

Therapeutic plasma exchange (TPE) alters the hemostatic balance. Contributing to TPE's hemostatic effects is the mechanical processing of blood in the extracorporeal circuit, circuit anticoagulant, type of replacement fluid, TPE schedule and number of procedures, TPE timing relative to invasive procedures, and removal of nontargeted components such as platelets, coagulation proteins, and cytokines. Although TPE's hemostatic effects are well established, how it impacts the bleeding risk is not clearly understood. In this concise review, we describe the effects of the above TPE-related factors on hemostatic balance, present data on the effects of TPE on blood hemostasis, including its effects on platelet counts and clotting assays, and review the literature on the impact of TPE-induced hemostatic changes on TPE-associated bleeding events. Finally, we discuss risk factors associated with bleeding during TPE and review the literature on TPE-associated hemostatic effects in the pediatric population.

Keywords: Plasmapheresis; blood coagulation; hemorrhage; hemostasis.

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References

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