{"title":"Allogeneic blood components","authors":"R. Cardigan, S. Maclennan","doi":"10.1111/J.1778-428X.2008.00117.X","DOIUrl":"https://doi.org/10.1111/J.1778-428X.2008.00117.X","url":null,"abstract":"SUMMARY \u0000 \u0000 \u0000There are no absolute recognized clinical indications for the transfusion of whole blood, and therefore blood is separated into its components (red cells, platelets and plasma) prior to transfusion. Blood components can be either produced from whole-blood donations or collected directly from the donor by apheresis technology. In many countries, blood components are depleted of leukocytes prior to storage. There are several potential benefits of leukocyte depletion including reduced immune complications and transfusion transmission of some cell-associated viruses [e.g. cytomegalovirus (CMV)]; however, in the UK a perceived benefit in terms of reducing the risk of transmission of variant Creutzfeldt-Jakob disease (vCJD) was a key factor in recommending its implementation. In the developed world, the risk of blood components transmitting infection is low because of stringent donor selection and testing criteria. These risks can be reduced further by the use of pathogen inactivation systems. Systems are now licensed and in use in some European countries for pathogen inactivation of plasma and platelet components; systems for red cells are not yet available. Recently, filters designed to remove prion protein from red cells have been developed with the aim of reducing the risk of transmission of vCJD by blood, and these are under assessment in the UK. As yet, there are no filters available to remove prion protein from plasma, platelets or whole blood.","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"41 1","pages":"92-101"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/J.1778-428X.2008.00117.X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63389662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The Limits of Bloodless Surgery","authors":"J. Carson","doi":"10.1111/J.1778-428X.2005.TB00124.X","DOIUrl":"https://doi.org/10.1111/J.1778-428X.2005.TB00124.X","url":null,"abstract":"SUMMARY \u0000 \u0000Bloodless surgery refers to performing surgery without the use of blood. Such programs were developed to support Jehovah's Witness patients but the principles of care that have been established should be used in the care of all patients. However, there are limits to the ability of patients to tolerate anemia. Animal experiments show that myocardial ischemia develops around 5 g/dL and death at 3 g/dL. Studies in humans undergoing surgery demonstrate a linear relationship between death and anemia and poor outcome is extremely common below 5–6 g/dL. Patients with cardiovascular disease appear less tolerant of anemia. The care of the bloodless surgery patient involves careful preoperative planning, correction of anemia, use of erythropoietin, prompt surgery to stop bleeding, and meticulous surgical technique.","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"6 1","pages":"52-55"},"PeriodicalIF":0.0,"publicationDate":"2008-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/J.1778-428X.2005.TB00124.X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63386765","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Recognizing Transfusion Reactions In The Pediatric Population","authors":"Frcpc","doi":"10.1111/j.1778-428X.2006.tb00197.x","DOIUrl":"https://doi.org/10.1111/j.1778-428X.2006.tb00197.x","url":null,"abstract":"","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2008-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/j.1778-428X.2006.tb00197.x","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63388114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Reevaluating Our Approches to Acute and Chronic Anemias","authors":"L. Goodnough","doi":"10.1111/J.1778-428X.2005.TB00118.X","DOIUrl":"https://doi.org/10.1111/J.1778-428X.2005.TB00118.X","url":null,"abstract":"","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"6 1","pages":"3-4"},"PeriodicalIF":0.0,"publicationDate":"2008-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/J.1778-428X.2005.TB00118.X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63386572","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Anemia in Patients With Cancer or Undergoing Cancer Therapy: Impact and Current Treatment Practice","authors":"D. Henry","doi":"10.1111/J.1778-428X.2005.TB00120.X","DOIUrl":"https://doi.org/10.1111/J.1778-428X.2005.TB00120.X","url":null,"abstract":"SUMMARY \u0000 \u0000Anemia is a multifactorial and global problem in cancer patients and negatively impacts quality of life (QOL) and treatment outcomes. This article provides an update on several aspects of anemia, including its etiology, prevalence, and broad impact; goals of anemia treatment; available treatment options; published treatment guidelines; and future areas of investigation, with the aim of providing information to guide optimal anemia management in cancer patients. Based on clinical practice and trial data over the last decade, treatment with epoetin alfa 150–300 U/kg three times weekly or 40,000–60,000 U once weekly (QW) results in mean hemoglobin (Hb) increases of μ1 g/dL after 4 weeks and μ2 g/dL after 8 weeks that are associated with significant reductions in transfusion requirements and QOL improvements in anemic cancer patients. Darbepoetin alfa 2.25-4.5 μg/kg QW or 3.0–5.0 μg/kg every 2 weeks results in mean Hb increases of μ1.5 g/dL by end of treatment and significantly reduces transfusion requirements; QOL endpoints are promising. Ultimately, anemia treatment should be guided by experience and anemia treatment guidelines, such as those provided by the National Comprehensive Cancer Network (NCCN) and the American Society of Hematology/American Society of Clinical Oncology (ASH/ASCO).","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"6 1","pages":"14-25"},"PeriodicalIF":0.0,"publicationDate":"2008-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/J.1778-428X.2005.TB00120.X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63386653","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Anemia and Blood Transfusion in the Critically Ill Patient","authors":"H. Corwin","doi":"10.1111/J.1778-428X.2005.TB00122.X","DOIUrl":"https://doi.org/10.1111/J.1778-428X.2005.TB00122.X","url":null,"abstract":"SUMMARY \u0000 \u0000Anemia is common in critically ill patients and results in a large number of red blood cell (RBC) transfusions. Recent data from both the US and Europe confirm that transfusion practice has changed little over the last decade. Between 40 and 50% of all patients admitted to intensive care units (ICU) receive at least one RBC unit and average close to 5 RBC units during their ICU admission. In these patients, extent of anemia is associated with poorer clinical outcomes, however RBC transfusion appears not to improve these outcomes.The anemia of critical illness is a distinct clinical entity characterized by a blunted erythropoietin (EPO) production and abnormalities in iron metabolism identical to what is commonly referred to as the anemia of chronic disease.There is little evidence that “routine” transfusion of stored allogeneic RBCs is beneficial to critically ill patients. It is clear that most critically ill patients can tolerate hemoglobin levels as low as 7 g/dL, and therefore a more conservative approach to RBC transfusion is warranted. Strategies to minimize blood loss and increase the production of RBCs are important in the management of all critically ill patients.","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"6 1","pages":"38-42"},"PeriodicalIF":0.0,"publicationDate":"2008-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/J.1778-428X.2005.TB00122.X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63386704","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Anemia in Chronic Kidney Disease Patients","authors":"A. Rastogi, A. Nissenson","doi":"10.1111/J.1778-428X.2005.TB00119.X","DOIUrl":"https://doi.org/10.1111/J.1778-428X.2005.TB00119.X","url":null,"abstract":"SUMMARY \u0000 \u0000Anemia is a common and early complication of chronic kidney disease (CKD) and is associated with a wide range of complications including increased morbidity and mortality due to cardiovascular consequences. Several factors contribute to the anemia seen in CKD patients but by far the most important factor is erythropoietin deficiency. The anemia of CKD remains both underdiagnosed and undertreated despite the wide availability of safe and effective treatment. Correction of anemia with exogenous erythropoietin is associated with improvements in outcome and hence should be aggressively pursued. Iron deficiency is common in CKD patients for multiple reasons and should be appropriately treated prior to erythropoietin treatment.","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"6 1","pages":"5-13"},"PeriodicalIF":0.0,"publicationDate":"2008-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/J.1778-428X.2005.TB00119.X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63386628","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Erythropoietin and Iron","authors":"L. Goodnough","doi":"10.1111/J.1778-428X.2005.TB00125.X","DOIUrl":"https://doi.org/10.1111/J.1778-428X.2005.TB00125.X","url":null,"abstract":"SUMMARY \u0000 \u0000The US blood supply is the safest it has ever been, due to evolution of a combination of donor education, donor screening, and new laboratory assays. Currently, the most significant risk of mortality from blood transfusion is administrative error resulting in an ABO mismatch between blood unit and transfusion recipient, with hemolysis (one in 60,000) and death (one in 600,000). \u0000 \u0000 \u0000 \u0000Knowledge gained regarding the relationship between erythropoietin, iron, and erythropoiesis suggests that under conditions of maximal stimulation of red blood cell precursors, iron restricted erythropoiesis occurs. The emergence of safer iron preparations makes the administration of intravenous iron a possible solution to the problem of iron restricted erythropoiesis. The value of this approach has been best demonstrated in patients with chronic kidney disease undergoing dialysis. Clinical trials are needed to establish the value of parenteral iron supplementation in other clinical settings employing erythropoietin therapy.","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"55 8 1","pages":"56-62"},"PeriodicalIF":0.0,"publicationDate":"2008-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/J.1778-428X.2005.TB00125.X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63386332","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Tolerance of Acute Anemia: The Anesthesiology Perspective","authors":"A. Shander, Tanuja S. Rijhwani, Petra Seeber","doi":"10.1111/J.1778-428X.2005.TB00123.X","DOIUrl":"https://doi.org/10.1111/J.1778-428X.2005.TB00123.X","url":null,"abstract":"SUMMARYAnesthesiologists have to face anemia in a variety of surgical interventions and have had the challenge of assuring positive patient outcomes. As such, treatment of acute anemia has traditionally resulted in increased exposure to allogeneic blood transfusions. Enhancing our knowledge of the hemoglobin molecule, its functions and reserve, allows the anesthesiologist to utilize compensatory mechanisms to achieve a positive outcome, with the reduction or elimination of patient's exposure to allogeneic blood transfusions. Since the inception of anesthesiology as a medical specialty, one of the most important issues for anesthesiologists has been oxygen delivery and consumption. Anemia has been a long-time challenge for the anesthesiologist. Anemia is defined as a decline of hemoglobin concentration or hematocrit. During acute normovolemic anemia, compensatory mechanisms are elicited at both the macrocirculatory (systemic) and microcirculatory level. Acute normovolemic hemodilution (ANH) is the intentional dilution of blood (a state of anemia) caused by controlled withdrawal of surgical patient's blood for reinfusion within 8 hours during and following surgical blood loss. This technique provides fresh whole blood for transfusion and avoids the pitfalls of predonated blood. ANH is an iatrogenic condition where dilutional anemia is used to the advantage of a patient for blood conservation, i.e. as an alternative for allogeneic blood transfusion. The effects of ANH-induced anemia on various organ systems and functions are discussed in addition to the effect of anesthesia and anesthetic depth.","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"6 1","pages":"43-51"},"PeriodicalIF":0.0,"publicationDate":"2008-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/J.1778-428X.2005.TB00123.X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63386720","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Approaches to treating chronic anemia in developing countries","authors":"K. Phiri","doi":"10.1111/J.1778-428X.2008.00106.X","DOIUrl":"https://doi.org/10.1111/J.1778-428X.2008.00106.X","url":null,"abstract":"SUMMARY \u0000 \u0000 \u0000Anemia remains a major cause of mortality and morbidity in developing countries where resources to determine the underlying etiology remain poor. There are three basic mechanisms for developing anemia, namely: (i) blood loss (hemorrhage); (ii) decreased production of red cells; and (iii) increased destruction of red cells (hemolysis). In this review on the treatment of chronic anemia, the causes of chronic anemia that are of major public health importance in developing countries are discussed. These include nutritional deficiencies such as of iron, vitamin B12 and folate; inflammation resulting from chronic diseases like tuberculosis and human immunodeficiency virus; parasitic diseases like hookworm, schistosomiasis; and hemoglobinopathies, including sickle cell disease and glucose-6-phosphate dehydrogenase deficiency. Lastly, a practical approach to the diagnosis of chronic anemia is presented.","PeriodicalId":90375,"journal":{"name":"Transfusion alternatives in transfusion medicine : TATM","volume":"10 1","pages":"75-81"},"PeriodicalIF":0.0,"publicationDate":"2008-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1111/J.1778-428X.2008.00106.X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"63389013","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}