Iron deficiency anemia and thrombosis risk in children—revisiting an old hypothesis

Iron deficiency anemia has a high prevalence in children and has repeatedly been implicated as a risk factor for arterial and venous thrombosis. As an effective therapy for iron deficiency anemia is available, understanding the association between this form of anemia and the potentially severe throm...

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Main Authors: Hannah Kalff, Holger Cario, Susanne Holzhauer
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-08-01
Series:Frontiers in Pediatrics
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fped.2022.926925/full
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author Hannah Kalff
Holger Cario
Susanne Holzhauer
author_facet Hannah Kalff
Holger Cario
Susanne Holzhauer
author_sort Hannah Kalff
collection DOAJ
description Iron deficiency anemia has a high prevalence in children and has repeatedly been implicated as a risk factor for arterial and venous thrombosis. As an effective therapy for iron deficiency anemia is available, understanding the association between this form of anemia and the potentially severe thrombosis phenotype is of major clinical interest. Recent findings shed light on pathophysiology of hypercoagulability resulting from iron-restricted erythropoiesis. Specifically, an animal model of induced iron deficiency allowed identifying multiple mechanisms, by which iron deficiency anemia results in increased thrombus formation and thrombus progression both in arterial and venous thrombosis. These findings complement and support conclusions derived from clinical data. The purpose of this mini review is to summarize current evidence on the association of iron deficiency anemia and thrombosis. We want to increase the awareness of iron deficiency as a risk factor for thrombosis in the pediatric population. We discuss how novel pathophysiological concepts can be translated into the clinical settings and suggest clinical studies on prevention and treatment strategies in high-risk patient groups.
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spelling doaj.art-092aa780fa4a4eed9e4eca4cf2def9432022-12-22T02:05:51ZengFrontiers Media S.A.Frontiers in Pediatrics2296-23602022-08-011010.3389/fped.2022.926925926925Iron deficiency anemia and thrombosis risk in children—revisiting an old hypothesisHannah Kalff0Holger Cario1Susanne Holzhauer2Department of Pediatric Hematology and Oncology, Charité University Medicine, Berlin, GermanyDepartment of Pediatrics and Adolescent Medicine, University Medical Center Ulm, Ulm, GermanyDepartment of Pediatric Hematology and Oncology, Charité University Medicine, Berlin, GermanyIron deficiency anemia has a high prevalence in children and has repeatedly been implicated as a risk factor for arterial and venous thrombosis. As an effective therapy for iron deficiency anemia is available, understanding the association between this form of anemia and the potentially severe thrombosis phenotype is of major clinical interest. Recent findings shed light on pathophysiology of hypercoagulability resulting from iron-restricted erythropoiesis. Specifically, an animal model of induced iron deficiency allowed identifying multiple mechanisms, by which iron deficiency anemia results in increased thrombus formation and thrombus progression both in arterial and venous thrombosis. These findings complement and support conclusions derived from clinical data. The purpose of this mini review is to summarize current evidence on the association of iron deficiency anemia and thrombosis. We want to increase the awareness of iron deficiency as a risk factor for thrombosis in the pediatric population. We discuss how novel pathophysiological concepts can be translated into the clinical settings and suggest clinical studies on prevention and treatment strategies in high-risk patient groups.https://www.frontiersin.org/articles/10.3389/fped.2022.926925/fullanemiapediatric thrombosisiron deficiencycerebral sinus venous thrombosis (CVST)iron deficiency anemia (IDA)
spellingShingle Hannah Kalff
Holger Cario
Susanne Holzhauer
Iron deficiency anemia and thrombosis risk in children—revisiting an old hypothesis
Frontiers in Pediatrics
anemia
pediatric thrombosis
iron deficiency
cerebral sinus venous thrombosis (CVST)
iron deficiency anemia (IDA)
title Iron deficiency anemia and thrombosis risk in children—revisiting an old hypothesis
title_full Iron deficiency anemia and thrombosis risk in children—revisiting an old hypothesis
title_fullStr Iron deficiency anemia and thrombosis risk in children—revisiting an old hypothesis
title_full_unstemmed Iron deficiency anemia and thrombosis risk in children—revisiting an old hypothesis
title_short Iron deficiency anemia and thrombosis risk in children—revisiting an old hypothesis
title_sort iron deficiency anemia and thrombosis risk in children revisiting an old hypothesis
topic anemia
pediatric thrombosis
iron deficiency
cerebral sinus venous thrombosis (CVST)
iron deficiency anemia (IDA)
url https://www.frontiersin.org/articles/10.3389/fped.2022.926925/full
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