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Plasma transfusion

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https://www.readbyqxmd.com/read/29786866/characterization-of-efficacy-and-safety-of-pathogen-inactivated-and-quarantine-plasma-in-routine-use-for-treatment-of-acquired-immune-thrombotic-thrombocytopenic-purpura
#1
R Herbrecht, M Ojeda-Uribe, D Kientz, C Fohrer, A Bohbot, O Hinschberger, K-L Liu, E Remy, C Ernst, J-S Lin, L Corash, J P Cazenave
BACKGROUND: Auto-immune thrombotic thrombocytopenic purpura (TTP) is a morbid multi-organ disorder. Cardiac involvement not recognized in initial disease descriptions is a major cause of morbidity. Therapeutic plasma exchange (TPE) requires exposure to multiple plasma donors with risk of transfusion-transmitted infection (TTI). Pathogen inactivation (PI) with amotosalen-UVA, the INTERCEPT Blood System for Plasma (IBSP) is licensed to reduce TTI risk. METHODS: An open-label, retrospective study evaluated the efficacy of quarantine plasma (QP) and IBSP in TTP and defined treatment emergent cardiac abnormalities...
May 21, 2018: Vox Sanguinis
https://www.readbyqxmd.com/read/29785143/pilot-study-of-the-antifibrotic-effects-of-the-multikinase-inhibitor-pacritinib-in-a-mouse-model-of-liver-fibrosis
#2
Suliman Al-Fayoumi, Taishi Hashiguchi, Yuka Shirakata, John Mascarenhas, Jack W Singer
Background: Fibrotic diseases result from an exuberant response to chronic inflammation. Myelofibrosis is the end result of inflammation in bone, caused by an inflammatory process triggered by production of abnormal myeloid cells driven by mutations affecting the JAK-STAT pathway. Inflammatory cytokine overproduction leads to increased mesenchymal cell proliferation, culminating in fibrosis. Although JAK2 inhibitors, such as the JAK1/2 inhibitor ruxolitinib and the JAK2/FLT3/CSF1R/IRAK1 inhibitor pacritinib suppress abnormal clone expansion in myelofibrosis, ruxolitinib does not appear to prevent or reverse bone-marrow fibrosis in most patients...
2018: Journal of Experimental Pharmacology
https://www.readbyqxmd.com/read/29782390/suspecting-hyperferritinemic-sepsis-in-iron-deficient-population-do-we-need-a-lower-plasma-ferritin-threshold
#3
Swarup Ghosh, Arun K Baranwal, Prateek Bhatia, Karthi Nallasamy
OBJECTIVES: Hyperferritinemia is being suggested to identify patients with sepsis-induced macrophage activation syndrome for early intervention. However, data among iron-deficient children are scarce. This study was planned to explore the biological behavior of plasma ferritin in children from communities with a high frequency of iron deficiency with septic shock and its association with the outcome. DESIGN: Prospective observational study. SETTING: Tertiary care teaching hospital in a low-middle income economy of South Asia...
May 18, 2018: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/29776837/evaluation-of-massive-transfusion-protocol-practices-by-type-of-trauma-at-a-level-i-trauma-center
#4
Roshan Givergis, Swapna Munnangi, Katayoun Fayaz M Fomani, Anthony Boutin, Luis Carlos Zapata, Ld George Angus
PURPOSE: To evaluate massive transfusion protocol practices by trauma type at a level I trauma center. METHODS: A retrospective analysis was performed on a sample of 76 trauma patients with MTP activation between March 2010 and January 2015 at a regional trauma center. Patient demographics, transfusion practices, and clinical outcomes were compared by type of trauma sustained. RESULTS: Penetrating trauma patients who required MTP activation were significantly younger, had lower injury severity score (ISS), higher probability of survival (POS), decreased mortality, and higher Glasgow Coma scale (GCS) compared to blunt trauma patients...
April 18, 2018: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29773572/hemostatic-efficacy-of-pathogen-inactivated-versus-untreated-platelets-a-randomized-controlled-trial
#5
Pieter F van der Meer, Paula F Ypma, Nan van Geloven, Joost A van Hilten, Rinie J van Wordragen-Vlaswinkel, Okke Eissen, Jaap J Zwaginga, MIchael Trus, Erik A M Beckers, Peter Te Boekhorst, Alan Tinmouth, Yulia Lin, Cyrus Hsia, David Lee, Philip J Norris, Raymond P Goodrich, Anneke Brand, Tor Hervig, Nancy M Heddle, Johanna G van der Bom, Jean-Louis H Kerkhoffs
Pathogen inactivation of platelet concentrates reduces the risk of blood-borne infections. However, its effect on platelet function and hemostatic efficacy of transfusion is unclear. We conducted a randomized noninferiority trial comparing the efficacy of pathogen inactivated platelets using riboflavin and ultraviolet B illumination technology (intervention) compared to standard plasma-stored platelets (control) for the prevention of bleeding in patients with hematologic malignancies and thrombocytopenia. The primary outcome parameter was the proportion of transfusion treatment periods in which the patient had grade 2 or higher bleeding as defined by World Health Organization (WHO) criteria...
May 17, 2018: Blood
https://www.readbyqxmd.com/read/29770454/streamlining-a-blood-center-and-hospital-transfusion-service-supply-chain-with-an-informatics-vendor-managed-inventory-solution-development-implementation-and-3-month-follow-up
#6
Hamilton C Tsang, Adam Garcia, Robert Scott, David Lancaster, Dianne Geary, Anh-Thu Nguyen, Raina Shankar, Leslie Buchanan, Tho D Pham
BACKGROUND: The ordering process at Stanford Health Care involved twice-daily shipments predicated upon current stock levels from the blood center to the hospital transfusion service. Manual census determination is time consuming and error prone. We aimed to enhance inventory management by developing an informatics platform to streamline the ordering process and reallocate staff productivity. STUDY DESIGN AND METHODS: The general inventory accounts for more than 50 product categories based on characteristics including component, blood type, irradiation status, and cytomegalovirus serology status...
May 16, 2018: Transfusion
https://www.readbyqxmd.com/read/29768025/the-post-injury-inflammatory-state-and-the-bone-marrow-response-to-anemia
#7
Tyler J Loftus, Juan C Mira, Elizabeth S Miller, Kolenkode B Kannan, Jessica M Plazas, Daniel Delitto, Julie A Stortz, Jennifer E Hagen, Hari K Parvataneni, Kalia K Sadasivan, Scott C Brakenridge, Frederick A Moore, Lyle L Moldawer, Philip A Efron, Alicia M Mohr
RATIONALE: The pathophysiology of persistent injury-associated anemia is incompletely understood, and human data are sparse. OBJECTIVE: To translate pre-clinical findings by characterizing injury-associated anemia among critically ill trauma patients. This study compared elective hip repair patients with an acute stress response to severely injured trauma patients with a prolonged stress response and evaluated the bone marrow response to anemia. METHODS: A translational prospective observational cohort study comparing severely injured, blunt trauma patients who had operative fixation of a hip or femur fracture (n=17) with elective hip repair patients (n=22) and healthy donors (n=8)...
May 16, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29765296/peripartum-haemorrhage-haemostatic-aspects-of-the-new-german-pph-guideline
#8
REVIEW
Heiko Lier, Christian von Heymann, Wolfgang Korte, Dietmar Schlembach
Summary Peripartum haemorrhage remains one of the main causes of maternal mortality world-wide. The German, Austrian and Swiss Societies of Gynaecology and Obstetrics have updated the current guidelines for the treatment of peripartum haemorrhage together with the German Society of Anaesthesiology and Intensive Care Medicine and the Society of Thrombosis and Haemostasis Research. The recommendations have been the result of a thorough review of the available scientific literature and a consensus process involving all members of the guideline group...
April 2018: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29765292/platelet-additive-solutions-a-review-of-the-latest-developments-and-their-clinical-implications
#9
REVIEW
Pieter F van der Meer, Dirk de Korte
Summary Platelet additive solutions (PASs) have undergone many reformulations in order to further improve platelet storage. Studies of platelets stored in PAS-F (containing acetate, magnesium and potassium as key constituents) showed that platelets may be stored for 13 days with recovery and survival outcomes that are equal or even superior to 7-day stored platelets in plasma. Clinically, patients transfused with platelets in PAS have fewer allergic reactions, while for febrile reactions data are conflicting...
April 2018: Transfusion Medicine and Hemotherapy
https://www.readbyqxmd.com/read/29761839/effects-of-plasma-transfusions-on-antithrombin-levels-after-paediatric-liver-transplantation
#10
D Arni, B E Wildhaber, V McLin, P C Rimensberger, M Ansari, P Fontana, O Karam
BACKGROUND AND OBJECTIVES: Thrombotic complications affect 3-10% of patients after liver transplantation (LT), leading to potentially life-threatening complications. In the days following LT, antithrombin (AT) is decreased longer than pro-coagulant factors, thus favouring a pro-thrombotic profile. Plasma transfusions are given empirically in some centres to correct AT levels following LT. We assessed the effect of plasma transfusion on AT levels after paediatric LT. MATERIALS AND METHODS: Prospective single-centre observational study in 20 consecutive paediatric LT recipients over a 24-month period...
May 15, 2018: Vox Sanguinis
https://www.readbyqxmd.com/read/29758989/the-double-hazard-of-bleeding-and-thrombosis-in-hemostasis-from-a-clinical-point-of-view-a-global-assessment-by-rotational-thromboelastometry-rotem
#11
Olga Meltem Akay
Hemostasis is a complex dynamic process involving bleeding and thrombosis as two end-points. Conventional coagulation tests which are measured in plasma examine only isolated portions of the coagulation cascade, thereby giving no information on important interactions essential to the clinical evaluation of hemostatic function. Thromboelastography (TEG), originally described in 1948 has improved over the decades and become a valuable tool of coagulation testing because of the limitations of standard coagulation tests...
January 1, 2018: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/29757135/a-nationwide-retrospective-study-on-prevalence-of-hepatitis-e-virus-infection-in-italian-blood-donors
#12
Enea Spada, Simonetta Pupella, Giulio Pisani, Roberto Bruni, Paola Chionne, Elisabetta Madonna, Umbertina Villano, Matteo Simeoni, Sara Fabi, Giuseppe Marano, Cinzia Marcantonio, Patrizio Pezzotti, Anna R Ciccaglione, Giancarlo M Liumbruno
BACKGROUND: In Europe, hepatitis E virus (HEV) infection is mainly a food-borne zoonosis, but it can also be transmitted by blood transfusion. It is usually a mild and self-limited infection. However, immunocompromised persons, who are also those more likely to undergo blood transfusions, may develop chronic hepatitis and often cirrhosis. Since this is a potential threat to blood safety, we aimed to investigate HEV prevalence in Italian blood donors. MATERIALS AND METHODS: We used plasma donations collected during 2015-2016 by blood services (BS) scattered throughout the Italian regions and intended for the production of plasma-derived medicines...
May 4, 2018: Blood Transfusion, Trasfusione del Sangue
https://www.readbyqxmd.com/read/29742788/-the-relevance-of-hemolysis-in-anesthesia-and-intensive-care-medicine
#13
Jan A Graw, David M Baron, Roland C E Francis
Hemolysis leads to an increase of circulating intravascular cell-free hemoglobin. Increased plasma concentrations of cell-free hemoglobin are relevant in critically ill patients because cell-free hemoglobin causes vasoconstriction by depletion of endothelial nitric oxide, oxidative stress, and inflammation. Furthermore, cell-free hemoglobin contributes to tissue injuries such as renal failure and intestinal mucosa damage after cardiac surgery. High concentrations of cell-free hemoglobin are associated with an increased mortality in patients with sepsis...
April 2018: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/29742375/investigational-testing-for-zika-virus-among-u-s-blood-donors
#14
MULTICENTER STUDY
Paula Saá, Melanie Proctor, Gregory Foster, David Krysztof, Colleen Winton, Jeffrey M Linnen, Kui Gao, Jaye P Brodsky, Ronald J Limberger, Roger Y Dodd, Susan L Stramer
BACKGROUND: Because of the potential severe clinical consequences of Zika virus (ZIKV) infection, the large numbers of asymptomatic travelers returning from ZIKV-active areas, the detection of ZIKV nucleic acid in blood, and reports of transmission of ZIKV through transfusion, in 2016 the Food and Drug Administration released recommendations for individual-unit nucleic acid testing to minimize the risk of transmission of ZIKV through blood transfusions. METHODS: The American Red Cross implemented investigational screening of donated blood for ZIKV RNA by means of transcription-mediated amplification (TMA)...
May 10, 2018: New England Journal of Medicine
https://www.readbyqxmd.com/read/29726397/under-recognized-hypoparathyroidism-in-thalassemia
#15
Hataitip Tangngam, Pat Mahachoklertwattana, Preamrudee Poomthavorn, Ampaiwan Chuansumrit, Nongnuch Sirachainan, La-or Chailurkit, Patcharin Khlairit
OBJECTIVE: Symptomatic hypoparathyroidism [symptomatic hypocalcemia without elevated serum parathyroid hormone (PTH)] in patients with thalassemia is relatively rare. Asymptomatic mild hypocalcemia without elevated PTH which is considered hypoparathyroidism may be more common but under-recognized. METHODS: Sixty-six transfusion-dependent thalassemic patients, and 28 healthy controls were enrolled. Serum calcium (Ca), phosphate (P), creatinine (Cr), albumin, intact PTH, 25-hydroxyvitamin D (25-OHD), plasma intact fibroblast growth factor-23 (FGF-23), urine Ca, P and Cr were measured...
May 4, 2018: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/29722305/young-blood-products-emerging-treatment-for-alzheimer-s-disease
#16
REVIEW
Rita Khoury, Elias Ghossoub
Alzheimer's disease is the most common neurodegenerative disorder and no disease-modifying treatment is currently available. Research has shown that while brain neurogenesis continues in adult life, it declines with age. Using parabiosis, plasma transfusions and direct administration of neural growth factors, animal studies have demonstrated the positive impact of exposure to young blood products on neurogenesis and synaptic plasticity in an aging brain. The hippocampus and the sub-ventricular zones were identified as the main regions affected...
April 2018: Neural Regeneration Research
https://www.readbyqxmd.com/read/29721496/the-role-of-plasma-transfusion-in-massive-bleeding-protecting-the-endothelial-glycocalyx
#17
REVIEW
Stefano Barelli, Lorenzo Alberio
Massive hemorrhage is a leading cause of death worldwide. During the last decade several retrospective and some prospective clinical studies have suggested a beneficial effect of early plasma-based resuscitation on survival in trauma patients. The underlying mechanisms are unknown but appear to involve the ability of plasma to preserve the endothelial glycocalyx. In this mini-review, we summarize current knowledge on glycocalyx structure and function, and present data describing the impact of hemorrhagic shock and resuscitation fluids on glycocalyx...
2018: Frontiers in Medicine
https://www.readbyqxmd.com/read/29717984/effect-of-tranexamic-acid-on-intra-and-postoperative-haemorrhage-in-dogs-with-surgically-treated-hemoperitoneum
#18
N Sigrist, L Olgiati, R S Jud Schefer
Tranexamic acid (TXA) is an antifibrinolytic drug that is used for uncontrolled bleeding of various origin. This retrospective study investigated the effect of tranexamic acid administration on bleeding tendency in dogs with surgically managed hemoperitoneum. Thirty dogs were treated with (TXA group) and 25 dogs without (CTR group) tranexamic acid prior to surgery. Various parameters (decrease in haematocrit, number of transfusions, shock index and changes in abdominal fluid accumulation) were used for characterization of bleeding tendency and compared between groups...
May 2018: Schweizer Archiv Für Tierheilkunde
https://www.readbyqxmd.com/read/29713955/successful-hemostatic-management-of-major-surgery-for-cervical-spondylotic-myelopathy-in-a-patient-with-severe-factor-xi-deficiency
#19
Yoshiyuki Ogawa, Kunio Yanagisawa, Yuri Uchiyama, Naoki Akashi, Tokue Mieda, Haku Iizuka, Madoka Inoue, Reiko Shizuka, Masami Murakami, Naomichi Matsumoto, Hiroshi Handa
Factor XI deficiency (FXID) is a rare bleeding disorder caused by mutations in the F11 gene. Spontaneous bleeding in patients with factor XI deficiency is rare, but major bleeding may occur after surgery or trauma. The basic method for hemostatic treatment is replacement of the missing factor using FXI concentrate or fresh frozen plasma (FFP). We report the case of a 72-year-old male with severe FXID who underwent a laminoplasty under sufficient, but minimal, FFP transfusion. Through detailed monitoring of activated partial thromboplastin time (APTT) and FXI activity at the perioperative period, we succeeded in hemostatic management of major surgery without significant blood loss and fluid overload...
April 30, 2018: International Journal of Hematology
https://www.readbyqxmd.com/read/29709368/empiric-transfusion-strategies-during-life-threatening-hemorrhage
#20
Geoffrey R Nunns, Ernest E Moore, Gregory R Stettler, Hunter B Moore, Arsen Ghasabyan, Mitchell Cohen, Benjamin R Huebner, Christopher C Silliman, Anirban Banerjee, Angela Sauaia
BACKGROUND: Resuscitation guided by thrombelastography improves survival after injury. If bleeding is rapid, however, or if no thrombelastography data are available, the optimal strategy remains controversial. Our current practice gives fresh frozen plasma and red blood cells (1:2) empirically in patients with life-threatening hemorrhage, with subsequent administration based on rapid thrombelastography. We identified patients at risk of massive transfusion at 1 hour, examined their initial rapid thrombelastography, and used this value to provide empiric recommendations about transfusions...
April 27, 2018: Surgery
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