4.2 Article

Platelet transfusions and predictors of bleeding in patients with myelodysplastic syndromes

Journal

EUROPEAN JOURNAL OF HAEMATOLOGY
Volume -, Issue -, Pages -

Publisher

WILEY
DOI: 10.1111/ejh.14049

Keywords

haemorrhage; myelodysplastic syndromes; platelet transfusion; thrombocytopenia

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This study investigated the burden of thrombocytopenia, supportive care practices, bleeding complications, and predictors of bleeding in MDS patients at a large Australian hospital network. The results showed that thrombocytopenia is common in MDS patients, and prophylactic platelet transfusions are commonly used for severe cases. Despite the use of platelet transfusions and/or the drug tranexamic acid (TXA), 11% of patients developed major bleeding.
Objectives: This study aimed to describe the burden of thrombocytopenia, supportive care practices, bleeding complications and predictors of bleeding in MDS patients within a large Australian hospital network, to better understand the use and effectiveness of platelet transfusions in MDS.Methods: A retrospective cohort study of patients aged =18 years with MDS, chronic myelomonocytic leukaemia or MDS/myeloproliferative overlap neoplasm admitted from 2016 to 2018 was conducted. Data were obtained from hospital medical records.Results: One hundred seventy-nine patients (median age 78 years, 61.5% male) were identified. The median platelet count at first admission was 90 x 10(9)/L. Twenty-eight (15.6%) patients had severe thrombocytopenia (platelet count <20 x 10(9)/L), of whom nine (32.1%) received prophylactic platelet transfusions, five (17.9%) received tranexamic acid (TXA), seven (25%) received both platelet transfusions and TXA, and seven (25%) received no treatment. Bleeding events requiring hospitalisation occurred in 20 (11.2%) patients. Bleeding was not predicted by presenting platelet count, TXA use, platelet transfusion or anticoagulant/antiplatelet therapies. Three patients died of bleeding, at varying platelet counts (18, 38 and 153 x 10(9)/L).Conclusion: Thrombocytopenia is common in MDS. Although guidelines recommend otherwise, prophylactic platelet transfusions were commonly used for severe thrombocytopenia. Despite the majority of patients receiving platelet transfusions and/or TXA, 11% developed major bleeding occurring at a wide range of platelet counts.

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