نتایج جستجو برای: platelet storage lesions
تعداد نتایج: 460766 فیلتر نتایج به سال:
Millions of blood products are transfused every year; many lives are thus directly concerned by transfusion. The three main labile blood products used in transfusion are erythrocyte concentrates, platelet concentrates and fresh frozen plasma. Each of these products has to be stored according to its particular components. However, during storage, modifications or degradation of those components ...
BACKGROUND Although apoptosis occurs in nucleated cells, studies show that this event also occurs in some anucleated cells such as platelets. During storage of platelets, the viability of platelets decreased, storage lesions were observed, and cells underwent apoptosis. We investigated the effects of caspase-3 inhibitor on the survival and function of platelets after different periods of storag...
Background: As increase of cytokines (like IL-1 , IL-6 , IL-8 and TNF- ) in platelet concentrates (PCs) during storage are involved in Febrile Non Hemolytic Transfusion Reactions (FNHTRs) after Platelet transfusion, the aim of this study was the survey of these cytokines level in PCs produced in Tehran Blood Center. Materials and Methods: This study proposed to determine if WBC reduction in P...
background: activated platelets shed microparticles (mps) in vivo and certainly in vitro under storage. like platelets, platelet-derived mps contribute to hemostatic and inflammatory responses. we sought to determine the interactions between platelet mps and peripheral b lymphocytes in the healthy blood circulation to propose a possible role for platelet mps in the functioning of b cells. mat...
BACKGROUND Therapeutic storage of platelet concentrate is a challenging problem for Transfusion Medicine, so that many studies have been carried out with the aim of improving the duration of storage of platelet concentrates. Little attention, however, has been given to the most appropriate biochemical methods for evaluating the quality of the stored platelet concentrates. MATERIAL AND METHODS...
• Extended apheresis platelet storage is dependent on the collection method, storage in a storage solution, and storage bag composition. • The lifespan of the platelet is not intrinsic to the cell, and platelet viability is better maintained in vitro than in vivo. To evaluate the poststorage viability of apheresis platelets stored for up to 18 days in 80% platelet additive solution (PAS)/20% pl...
The demand for platelet transfusions continues to grow. Several complementary approaches that may help meet this demand in the future are reviewed. First, platelet bacterial testing is beginning to allow the extension of platelet storage beyond 5 days. Studies are also underway aimed at better preserving viability and function during ex vivo platelet storage: additive solutions and other approa...
Platelet storage and its availability for transfusion are limited to 5-6 days. Oxidative stress (OS) is one of the causes for reduced efficacy and shelf-life of platelets. The studies on platelet storage have focused on improving the storage conditions by altering platelet storage solutions, temperature, and materials. Nevertheless, the role of OS on platelet survival during storage is still un...
Introduction & Objective: Cellular blood products such as whole blood, packed RBC and platelet concentrate may contain a large number of donor leukocytes. These transfused cells are responsible for several transfusion reactions which include febrile reactions, platelet refractoriness due to alloimmunization and some cell associated virus transmission, especially cytomegalovirus. Advances in b...
Blood transfusion is commonly implemented to manage life and health-threatening conditions on a rapid and short-term basis. Over the years, ongoing technical advances have dramatically improved transfusion medicine to provide more safety and effectiveness. However, transfusion is still complicated with different adverse events that mainly induced by the presence of allogeneic leukocytes in the ...
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