ABC of Transfusion (ABC Series) by Marcela Contreras

By Marcela Contreras

Blood providers and Transfusion drugs became extra medical, medical, good organised and consolidated over the past twenty years. extra is understood concerning the frequency and aetiology of the risks of blood transfusions. The ABC of Transfusion is a good verified creation for all employees operating in blood prone, blood transfusion departments, surgical devices and extensive care, and all prescribers and clients of blood. it's a entire, very hot advisor to the entire useful elements of blood transfusion, together with many of the problems that may arise.This fourth version of ABC of Transfusion comprises 5 new chapters on the entire most recent concerns together with pre-transfusion trying out, vCJD, stem telephone transplantation, immunotherapy, and acceptable use of blood - reflecting the truth that transfusion medication has been revolutionised. valuable as a pragmatic consultant, a refresher or for speedy reference, it covers all crucial transfusion concerns and is a perfect resource of knowledge for all healthiness execs concerned with secure and effective use of blood.

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By Marcela Contreras

Blood providers and Transfusion drugs became extra medical, medical, good organised and consolidated over the past twenty years. extra is understood concerning the frequency and aetiology of the risks of blood transfusions. The ABC of Transfusion is a good verified creation for all employees operating in blood prone, blood transfusion departments, surgical devices and extensive care, and all prescribers and clients of blood. it's a entire, very hot advisor to the entire useful elements of blood transfusion, together with many of the problems that may arise.This fourth version of ABC of Transfusion comprises 5 new chapters on the entire most recent concerns together with pre-transfusion trying out, vCJD, stem telephone transplantation, immunotherapy, and acceptable use of blood - reflecting the truth that transfusion medication has been revolutionised. valuable as a pragmatic consultant, a refresher or for speedy reference, it covers all crucial transfusion concerns and is a perfect resource of knowledge for all healthiness execs concerned with secure and effective use of blood.

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Extra resources for ABC of Transfusion (ABC Series)

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There is also evidence that they are safe for large volume transfusions in neonatal cardiac surgery (Mou et al. 2004), and the use of red cells in SAG-M is now recommended by the BCSH for this indication. However, for fetal transfusions and neonatal exchange transfusions red cells in CPD are still recommended, as the effect of additives in these situations is more uncertain. 2 Suggested transfusion thresholds for neonates. g. g. g. petechiae) • coagulopathy • planned surgery or exchange transfusion Major bleeding Hb  12 g/dl Hb  12 g/dl 10% blood volume lost Hb  8–11 g/dl (depending on clinical situation) Hb  7 g/dl 30 platelets  109/L 50 platelets  109/L <100 platelets  109/L Adapted from BCSH (2004) and Murray and Roberts (2004).

Dilutional thrombocytopenia Thrombocytopenia due to massive or exchange transfusions should be treated with platelet concentrates if the platelet count is less than 50  109/L and the patient is bleeding. The threshold may be higher in special circumstances such as intracranial bleeding, neurosurgery or in newborn infants. Cardiopulmonary bypass surgery Platelet transfusions are not indicated routinely in cardiac surgery. Haemorrhage during or after cardiopulmonary bypass may be Platelet recovery The expected recovery of platelets 1 hour after transfusion is 50–80% and their half-life in the circulation is about 4 days.

If HPA-negative platelets are not available or in an emergency, random, ABO compatible platelet concentrates should be transfused. Adverse effects of platelet transfusions Most of the adverse effects common to other blood components may also occur following platelet transfusions (see Chapters 11–13). The most common adverse effect of platelet transfusion is the development of immunological reactions such as non-haemolytic febrile transfusion reactions (NHFTRs). Febrile reactions can be caused by white cell antibodies, mainly HLAs, present in the recipient 25 and reacting with donor leucocytes, or, rarely, by interleukins and tumour necrosis factor released by leucocytes present in the platelet concentrate during storage.

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