Abstract
BackgroundAcute promyelocytic leukemia (APL) is one of the most curable subtypes of acute myeloid leukemia in childhood. It usually presents with a characteristic coagulopathy. The study aims to determine the extent and outcome of this coagulation disorder. MethodsThis prospective observational study was conducted at Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, and included PML:RAR-α (Promyelocytic Leukemia-Retinoic Acid Receptor-α) positive APL cases. At presentation, all patients were assessed with coagulation parameters and followed up clinically and hematologically while treated with ATRA (all-trans-retinoic acid)-based chemotherapy. The presence of disseminated intravascular coagulation (DIC) was determined using the DIC scoring system of the International Society on Thrombosis and Hemostasis (ISTH). ResultsAmong 20 APL cases, the mean DIC score was 5.75 ± 0.6, and DIC was detected in 90% (n = 18/20) of the patients. The incidence of fatal thrombo-hemorrhagic complications was 15% (n = 3/20). Though hemorrhagic complications are more common, thrombosis may also occur in pediatric APL.
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