Background: Therapeutic platelet transfusion is necessary to prevent bleeding due to thrombocytopenia in childhood acute lymphoblastic leukaemia (ALL). Platelet concentrates may be transfused as fresh platelet concentrate immediately or with five days of storage after collection Objectives: To compare the platelet count increment between fresh and stored platelet concentrate transfusion in children with acute lymphoblastic leukaemia. Methodology: This observational study was carried out in the Department of Clinical Pathology, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, in collaboration with the Department of Transfusion Medicine and Paediatric Haemato-Oncology, BSMMU, Dhaka. Seventy-two children diagnosed as acute lymphoblastic leukaemia were included in this study. ABO identical whole-blood derived platelet-rich-plasma platelet concentrates (PRP-PCs) were transfused within 24 hours of preparation or 1-5 days of storage. Effectiveness of platelet transfusion was carried out by measuring platelet count prior to transfusion, subsequently 1 hour and 24 hours of transfusion. Result: Post transfusion platelet count at 1 hour and 24 hours with fresh platelet concentrates (FPC) and stored platelet concentrates (SPC) were not statistically significant. Post transfusion platelet increment at 1 hour and 24 hours were also similar in both FPC and SPC. Corrected count increment (CCI) at 1 hour in FPC and SPC were 20.5±10.1 and 18.6 ±6.5 respectively and was statistically not significant (P: 0.168). CCI at 24 hours were 15.5±9.1 and 13±5.8 which were also statistically not significant. Percentage platelet recovery at 1 hour and 24 hours in both FPC and SPC were statistically not significant. But these values in SPC were consistently lower than that of FPC. All the values of FPC and SPC were well apart from the lower limit of CCI and percentage platelet recovery (PPR). It was also observed that 85.1% satisfactory platelet transfusion was achieved with FPC and rest of 14.9% was platelet refractory cases. In 79.5% cases satisfactory platelet transfusion were achieved with SPC and refractory cases were 20.5 %. Conclusion: One to five day’s stored PRP-PCs are as effective as fresh PRP-PCs to achieve satisfactory platelet increment.
Introduction: Acute leukemia is the most common form of cancer in children, platelet transfusion is needed for the chemotherapy of acute lymphoblastic leukaemia children. Platelets are transfused for therapeutic and prophylactic purposes. Transfusion of stored platelet concentrates (up to 5 days) has been demonstrated to be as effective as transfusion of fresh platelet concentrates (upto 24 hours). Platelet refractory cases were also observed in this study that was detected by Corrected Count Increment (CCI) and Percent Platelet Recovery (PPI) at 1hour and 24 hours. Aim of the study: The aim of this study was to observe the platelet refractory cases after transfusion of fresh and stored platelet in acute lymphoblastic leukemia (ALL) in a tertiary care hospital, Dhaka. Methods: A cross-sectional study was conducted in the Department of Clinical Pathology, Paediatric Haematolo- Oncology and transfusion Medicine BSMMU, Department of Haematology and Paediatric Haemato-Oncology in Dhaka Medical College Hospital from March 2010 to February 2011 where 81 children diagnosed with acute lymphoblastic leukaemia were taken as the study population. Non probability purposive sampling was used by fulfilling the inclusion criteria. Ethical consideration was taken by the BSMMU ethical review committee. A data sheet with two parts (Part A and Part B) was designed with a view to collect data from the patients to be enrolled in the study. Data were analyzed using the SPSS version 25.0. Results: Out of 81 in 47 children with acute lymphoblastic leukemia (ALL), fresh platelet concentrates (FPC) (upto 24 hours) or day-0 platelets were transfused. In 34 children, stored platelet concentrates (SPC) (days 1–5) were transfused. In 27 cases, platelet concentrates were transfused both fresh and stored. In FPC and SPC, the corrected count increment at one hour (CCI 1h) was 20.5×109/L and 18.9×109/L respectively. FPC and SPC values for the mean corrected count increment at 24 hours (CCI 24h) were 15.5×109/L and 13.8×109/L respectively. Platelet refractory cases were 15(18.5%) out of 81 cases transfused. Platelet refractory cases were 7(15%) out of 47 cases transfused with FPC and 8(23%) out of 34 cases transfused with stored platelet concentrate (SPC). There were no significant differences (P<0.05) between FPC and SPC according to platelet refractoriness. Conclusion: In vivo quality of freshly generated platelet (upto 24 hours) versus stored platelet concentrates (up to 5 days) were determined after 1 hour and 24 hours. 1-5 day’s stored PRP-PCs are as effective as fresh PRP-PCs for sufficient platelet increment.
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