“…The study was approved by the Ethics Committee of the Medical University of Vienna. Twelve platelet donors with a body weight >60 kg (f/m: 3/9; median age 43 years, range: 26–57) were recruited from our routine multicomponent donor pool and fulfilled the requirements for triple PCs according to the European guidelines and local authorities . They were included in the study after giving written informed consent for scientific use of their donations instead of patients' support.…”
Resuspension of platelets in Intersol for 7 days results in increased platelet activation and platelet metabolism compared with SSP+® or Composol®. Further clinical studies are needed to evaluate whether the observed differences in PAS-PCs affect the recovery rate or the life span of transfused platelets.
“…The study was approved by the Ethics Committee of the Medical University of Vienna. Twelve platelet donors with a body weight >60 kg (f/m: 3/9; median age 43 years, range: 26–57) were recruited from our routine multicomponent donor pool and fulfilled the requirements for triple PCs according to the European guidelines and local authorities . They were included in the study after giving written informed consent for scientific use of their donations instead of patients' support.…”
Resuspension of platelets in Intersol for 7 days results in increased platelet activation and platelet metabolism compared with SSP+® or Composol®. Further clinical studies are needed to evaluate whether the observed differences in PAS-PCs affect the recovery rate or the life span of transfused platelets.
“…In Europe, the plateletpheresis‐associated PLT loss per donor is indirectly restricted by the maximum limit of 26 apheresis procedures per year and a relative low minimum number of at least 2 × 10 11 PLTs/TU 13,14 . Hence, any intensification of the procedure, either by increasing the number of PLTs, for example, to at least 4.0 × 10 11 per TU, 10,15 or by introducing TP with a minimum PLT content of at least 2.5 × 10 11 to 3.5 × 10 11 per TU, 5,9,16‐18 will inevitably lead to higher PLT losses for donors. In an attempt to establish a possible safety margin for a TP program, a single‐center observational pilot trial was performed at Hannover Medical School in 2005 and included 1132 DPs and 442 TPs 18 .…”
“…The use of platelet (PLT) concentrates obtained from individual donors by automated apheresis increases steadily. New technologies have improved the efficiency and donor tolerance of plateletpheresis, providing an efficient PLT collection of up to 10 × 10 11 PLTs per donation (corresponding to 3‐4 PLT units), which also minimizes the patient exposure to multiple donors 1‐3 …”
PLT recruitment during high-yield plateletpheresis facilitates the harvest of multiple PLT units in a single donation. The use of the ratio of recruited to yielded PLT may optimize the algorithm to predict PLT(post) . There was no recruitment of WBCs and HPCs during plateletpheresis. Therefore, the previously observed recruitment of HPCs during HPC apheresis seems to be related to other factors than the apheresis procedure itself.
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