Abstract
The apheresis platelets are the preferred blood components for the thrombocytopenic hemato-oncology patients. The one of the important factors for post transfusion increment is the dose of the platelet product infused. The minimum platelet product yield is defined but the amount of maximum possible platelets collection from a single donor is not universally defined. There is lots of apprehension in our country for apheresis procedures harvesting more than a standard unit. This retrospective observational study was conducted to determine safety of high yield plateletapheresis collection among Indian donors This retrospective observational study was conducted for a period of 15months including all consecutive plateletapheresis procedures. The informed consent had been obtained from all donors including high yield plateletapheresis (Yield ≥ 5 × 1011). The apheresis product was subjected to platelet count. The donor adverse reactions were recorded along with procedural details. Post procedure complete blood count was done for the donors who consented for post procedure blood sample draw A total 569 procedures were performed during this period including 174 high yield procedure. The 526 procedures were analyzed for adverse donor reactions. The 43 were excluded for adverse donor reaction analysis due to yield less than 3 × 1011 (n = 43). The adverse reactions rate between high yield procedures (18/174, 10.34%) and normal yield (20/352, 5.68%) were not statistically different (p = 0.052). The phlebotomy related complication (3.23%) followed by citrate toxicity (2.28%) were the two most common adverse reaction observed. The adverse reactions associated with high yield plateletapheresis procedures are comparable to normal yield procedures in term of overall adverse reactions observed and post procedural platelet counts. This can be beneficial to patients by providing products of greater yield.
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