PubMed Journal Database | Transfusion RSS

08:05 EDT 24th May 2019 | BioPortfolio

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Showing PubMed Articles 1–25 of 448 from Transfusion

A novel c.1664G > T(p.Gly555Val) mutation in the KEL gene encoding the K phenotype.

Red blood cells donated by smokers: A pilot investigation of recipient transfusion outcomes.

Current regulations do not require blood collection facilities to ask donors about cigarette smoking, and the prevalence of nicotine and its metabolites in blood products is not well established. Although smokers have higher hemoglobin (Hb) levels, smoking may adversely affect the quality of donated red blood cells through higher carboxyhemoglobin (COHb) content and premature hemolysis.

No evidence for widespread Babesia microti transmission in Australia.

A fatal case of autochthonous Babesia microti infection was reported in Australia in 2012. This has implications for Australian public health and, given that babesiosis is transfusion transmissible, has possible implications for Australian blood transfusion recipients. We investigated the seroprevalence of antibodies to B. microti in Australian blood donors and in patients with clinically suspected babesiosis.

Greater anemia tolerance among hospitalized females compared to males.

Although females have a lower baseline hemoglobin (Hb) compared to males, it is unknown whether females have a greater tolerance for anemia when hospitalized. We tested the hypothesis that females tolerate severe anemia better than males, with decreased inpatient mortality in this setting.

Can we transfuse wisely in patients undergoing chemotherapy for acute leukemia or autologous stem cell transplantation?

Transfusion of 2 units of red blood cells (RBCs) for Hb ≤80 g/L is the prevailing liberal practice for patients undergoing intensive treatment for acute leukemia or hematopoietic transplant across North America. There is little evidence regarding optimal transfusion targets in these highly transfusion-dependent patient populations.

RHD genotyping of serologic RhD-negative blood donors in a hospital-based blood donor center.

Serologic RhD-negative blood donors are tested by a method known to detect weak D antigen expression. Serology does not detect all red blood cells with RhD expression and RHD genotyping has been used to identify variant RHD alleles, which may lead to some RhD expression. The aim of this study was to determine the frequency of RHD variant alleles in serologic RhD-negative blood donors at a hospital-based donor center in Los Angeles.

Transfusion trends in hip arthroplasty in Korea: a nationwide study by the Korean National Health Insurance Service.

Hip arthroplasties are strongly associated with blood transfusion to compensate for perioperative bleeding. The purpose of this study was to evaluate the trends in transfusion associated with hip arthroplasties, using nationwide data supplied by the National Health Insurance Service.

Novel RHD alleles in African Brazilians.

The BEST criteria improve sensitivity for detecting positive cultures in residual blood components cultured in suspected septic transfusion reactions.

Culturing residual blood components after suspected septic transfusion reactions guides management of patients and cocomponents. Current practice, accuracy of provider vital sign assessment, and performance of the AABB culture criteria are unknown. A multicenter international study was undertaken to investigate these issues and develop improved culture criteria.

Reducing ethnic disparity in access to high-quality HLA-matched cord blood units for transplantation: analysis of the Canadian Blood Services' Cord Blood Bank inventory.

Launched in 2013, Canadian Blood Services' Cord Blood Bank (CBS' CBB) has built a high-quality, ethnically diverse cord blood repository that aims to reduce ethnic disparity in accessing suitable units for transplantation.

Reexamination of the chromium-51-labeled posttransfusion red blood cell recovery method.

The chromium-51-labeled posttransfusion recovery (PTR) study has been the gold-standard test for assessing red blood cell (RBC) quality. Despite guiding RBC storage development for decades, it has several potential sources for error.

Rh phenotype caused by a novel RHAG mutation, c.945+1G>A, in the Japanese population.

The Rh complex contributes to cell membrane structural integrity of erythrocytes. Rh syndrome is characterized by the absence of the Rh antigen on the erythrocyte membrane, resulting in chronic hemolytic anemia. We recently came across 3 Rh phenotype probands within two families with the same novel RHAG mutation in the Japanese population.

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The prevalence of human T-cell leukemia virus in blood donors in China.

China has not yet incorporated routine human T-lymphotropic virus (HTLV)-1/2 blood donor screening, even though HTLV has been reported in the southeastern coastal region. This study was conducted to investigate the prevalence of HTLV in five major regions across of China.

Red blood cell alloantibodies are associated with increased alloimmunization against human leukocyte antigens.

Alloantibodies recognizing human leukocyte antigens (HLA) can cause immune-mediated refractoriness to platelet transfusion. An association between HLA alloimmunization and red blood cell (RBC) alloimmunization has been suggested but remains uncertain.

Future of platelet formulations with improved clotting profile: a short review on human safety and efficacy data.

Platelet (PLT) transfusion is a widely used therapy in treating or preventing bleeding and hemorrhage in patients with thrombocytopenia or trauma. Compared to the relative ease of PLT transfusion, current practice for PLT storage at room temperature (RT) for up to 5 to 7 days is inefficient, costly, wasteful, and relatively unsafe.

Evaluation of a lyophilized platelet-derived hemostatic product.

Current limitations of platelet shelf life to 5 days have led to an increasingly greater demand for hemostatic agents with greater longevity. The objective of this study was to evaluate the function of a lyophilized platelet-derived hemostatic product (thrombosome [TS]) as a potential alternative to fresh platelets.

The need for dried plasma - a national issue.

Recent studies have demonstrated that early transfusion of plasma or RBCs improves survival in patients with severe trauma and hemorrhagic shock. Time to initiate transfusion is the critical factor. It is essential that transfusion begin in the prehospital environment when transport times are longer than approximately 15 to 20 minutes. Unfortunately, logistic constraints severely limit the use of blood products in the prehospital setting, especially in military, remote civilian, and mass disaster circumst...

Plasma for burn shock resuscitation: is it time to go back to the future?

Patients with burn shock can be challenging to resuscitate. Burn shock produces a variety of physiologic derangements: Patients are hypovolemic from volume loss, have a increased systemic vascular resistance, and may have a depressed cardiac output depending on the extent of the thermal injury. Additionally, the burn wound produces a significant inflammatory cascade of events that contributes to the shock state. Fluid resuscitation is foundational for the initial treatment of burn shock. Typical resuscitati...

Effect of plasma processing and storage on microparticle abundance, nitric oxide scavenging, and vasoactivity.

We set out to define the impact of collection, processing, and storage on plasma product microparticle (MP) abundance, potential for nitric oxide (NO) scavenging, and vasoactivity.

Hemostatic characteristics of thawed, pooled cryoprecipitate stored for 35 days at refrigerated and room temperatures.

Cryoprecipitate's shelf life is limited due to concerns over decreased clotting factor activity and contamination with extended storage. Hemostatic characteristics of thawed cryoprecipitate stored up to 35 days at refrigerated and room temperatures were assessed.

Changes in donor antibody titer levels over time in a military group O low-titer whole blood program.

The ability to rapidly administer whole blood (WB) at the point of injury is an important intervention to save lives. This can be accomplished using low titer group O WB donors. Titers of immunoglobulin M anti-A and anti-B might change over time. This study describes titer testing in a large series of donors.

Blood is for Bleeding, Salt Water is for Cooking Pasta: An introduction to the THOR Network's Supplement for the 2018 Remote Damage Control Resuscitation Annual Symposium.

How do I get an emergency civilian walking blood bank running?

The shift toward using a transfusion strategy in a ratio to mimic whole blood (WB) functionality has revitalized WB as a viable option to replace severe blood loss in civilian health care. A military-civilian collaboration has contributed to the reintroduction of WB at Haukeland University Hospital in Bergen, Norway. WB has logistical and hemostatic advantages in both the pre- and in-hospital settings where the goal is a perfectly timed balanced transfusion strategy. In this paper, we describe an event lead...

Aerial drones for blood delivery.

Aerial drone technology is now in use to improve medical care, especially blood delivery. The use of aerial drones is broader than just this and includes aerial photography, express shipping and delivery, disaster management, search and rescue operations, crop monitoring, weather tracking, law enforcement, and structural assessment. This wide use promises to accelerate and, ideally, reduce the cost of technological advances of drones. By doing so, drone use offers the opportunity of improving health care, p...

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