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https://www.readbyqxmd.com/read/29785664/effect-of-pneumatic-tubing-system-transport-on-platelet-apheresis-units
#1
Jevgenia Zilberman-Rudenko, Frank Z Zhao, Stephanie E Reitsma, Annachiara Mitrugno, Jiaqing Pang, Joseph J Shatzel, Beth Rick, Christina Tyrrell, Wohaib Hasan, Owen J T McCarty, Martin A Schreiber
Platelet apheresis units are transfused into patients to mitigate or prevent bleeding. In a hospital, platelet apheresis units are transported from the transfusion service to the healthcare teams via two methods: a pneumatic tubing system (PTS) or ambulatory transport. Whether PTS transport affects the activity and utility of platelet apheresis units is unclear. We quantified the gravitational forces and transport time associated with PTS and ambulatory transport within our hospital. Washed platelets and supernatants were prepared from platelet apheresis units prior to transport as well as following ambulatory or PTS transport...
May 21, 2018: Cardiovascular Engineering and Technology
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/29783009/antiplatelet-medication-reversal-strategies-in-operative-intracranial-hemorrhage-a-survey-of-practicing-neurosurgeons
#3
Paul M Foreman, Adeel Ilyas, James Mooney, Philip G R Schmalz, Beverly C Walters, Christoph J Griessenauer
OBJECTIVE: Antiplatelet therapy is common and complicates the operative management of acute intracranial hemorrhage. Little data exist to guide antiplatelet reversal strategies. METHODS: An online survey detailing antiplatelet reversal strategies in patients presenting with acute operative intracranial hemorrhage (subdural hematoma (SDH), epidural hematoma (EDH), and intracerebral hemorrhage (ICH) was distributed to board certified neurosurgeons in the North America...
May 18, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29780001/automated-typing-of-red-blood-cell-and-platelet-antigens-a-whole-genome-sequencing-study
#4
William J Lane, Connie M Westhoff, Nicholas S Gleadall, Maria Aguad, Robin Smeland-Wagman, Sunitha Vege, Daimon P Simmons, Helen H Mah, Matthew S Lebo, Klaudia Walter, Nicole Soranzo, Emanuele Di Angelantonio, John Danesh, David J Roberts, Nick A Watkins, Willem H Ouwehand, Adam S Butterworth, Richard M Kaufman, Heidi L Rehm, Leslie E Silberstein, Robert C Green
BACKGROUND: There are more than 300 known red blood cell (RBC) antigens and 33 platelet antigens that differ between individuals. Sensitisation to antigens is a serious complication that can occur in prenatal medicine and after blood transfusion, particularly for patients who require multiple transfusions. Although pre-transfusion compatibility testing largely relies on serological methods, reagents are not available for many antigens. Methods based on single-nucleotide polymorphism (SNP) arrays have been used, but typing for ABO and Rh-the most important blood groups-cannot be done with SNP typing alone...
May 17, 2018: Lancet Haematology
https://www.readbyqxmd.com/read/29778713/concluding-commentary-on-current-trends-to-enhance-the-clinical-safety-of-pediatric-transfusion-focusing-on-prevention-of-untoward-complications-of-hsc-transplantation-newer-strategies-for-improving-the-standards-of-safety-quality-of-stem-cells-expansion-for
#5
REVIEW
Irena Sniecinski, Jerard Seghatchian
Clinical practice and related diagnostic, development and research [DDR] strategies in pediatric transfusion and transplantation cover a broad range of multidisciplinary studies, performed by many professionals involved in this most challenging clinical field [1]. This commentary on the current position and future perspectives in pediatric transfusion field is aimed to highlight major unresolved transfusion complications in pediatric patients, namely red blood cell and platelet alloimmunisation, and new ones such as nosocomial infection, thrombosis and multi-organ failure...
May 16, 2018: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29778606/avatrombopag-before-procedures-reduces-need-for-platelet-transfusion-in-patients-with-chronic-liver-disease-and-thrombocytopenia
#6
Norah Terrault, Yi-Cheng Chen, Namiki Izumi, Zeid Kayali, Paul Mitrut, Won Young Tak, Lee F Allen, Tarek Hassanein
BACKGROUND & AIMS: Patients with thrombocytopenia and chronic liver disease (CLD) may require platelet transfusions before scheduled procedures to decrease risk of bleeding. We performed 2 randomized, placebo-controlled, phase 3 trials in patients with thrombocytopenia and CLD undergoing scheduled procedures to evaluate the safety and efficacy of avatrombopag in increasing platelet counts in this patient population METHODS: In the ADAPT-1 and ADAPT-2 studies, adults with thrombocytopenia and CLD (n=231 and n= 204, respectively) were in 1 of 2 cohorts according to their baseline platelet count (below 40x109 /L or 40-50x109 /L) and within each cohort randomized (2:1) to 5 daily doses of avatrombopag (60 mg if baseline platelet count below 40x109 /L or 40 mg if 40-50x109 /L) or placebo...
May 17, 2018: Gastroenterology
https://www.readbyqxmd.com/read/29777278/low-platelet-count-as-risk-factor-for-infections-in-patients-with-primary-immune-thrombocytopenia-a-retrospective-evaluation
#7
Mingming Qu, Qiang Liu, Hong-Guo Zhao, Jun Peng, Heyu Ni, Ming Hou, A J Gerard Jansen
Infectious complications are common and sometimes life threatening in patients with immune thrombocytopenia (ITP), mainly due to the immune-suppressive therapy. Recent evidence suggests a potential role of platelets in the inflammation process. In this clinical study, we further investigated the role of thrombocytopenia on infections in patients with primary ITP. We retrospectively evaluated data from the recently published large randomized clinical trial of a cohort of 195 patients with primary ITP, who were randomized for prednisone or high-dose dexamethasone...
May 18, 2018: Annals of Hematology
https://www.readbyqxmd.com/read/29776631/molecular-pathology-in-transfusion-medicine-new-concepts-and-applications
#8
REVIEW
Matthew B Elkins, Robertson D Davenport, Martin H Bluth
Virtually all the red blood cell and platelet antigen systems have been characterized at the molecular level. Highly reliable methods for red blood cell and platelet antigen genotyping are now available. Genotyping is a useful adjunct to traditional serology and can help resolve complex serologic problems. Although red blood cell and platelet phenotypes can be inferred from genotype, knowledge of the molecular basis is essential for accurate assignment. Genotyping of blood donors is an effective method of identifying antigen-negative and/or particularly rare donors...
June 2018: Clinics in Laboratory Medicine
https://www.readbyqxmd.com/read/29773572/hemostatic-efficacy-of-pathogen-inactivated-versus-untreated-platelets-a-randomized-controlled-trial
#9
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/29772593/-coagulation-monitoring-and-bleeding-management-in-cardiac-surgery
#10
Berthold Bein, Robert Schiewe
The transfusion of allogeneic blood products is associated with increased morbidity and mortality. An impaired hemostasis is frequently found in patients undergoing cardiac surgery and may in turn cause bleeding and transfusions. A goal directed coagulation management addressing the often complex coagulation disorders needs sophisticated diagnostics. This may improve both patients' outcome and costs. Recent data suggest that coagulation management based on a rational algorithm is more effective than traditional therapy based on conventional laboratory variables such as PT and INR...
May 2018: Anästhesiologie, Intensivmedizin, Notfallmedizin, Schmerztherapie: AINS
https://www.readbyqxmd.com/read/29771870/hyperfibrinolysis-is-an-important-cause-of-early-hemorrhage-in-patients-with-acute-promyelocytic-leukemia
#11
Yu-Hua Song, Chun Qiao, Li-Chan Xiao, Run Zhang, Hua - Lu
BACKGROUND The objective of the current study was to guide the early clinical treatment strategies by assessing the recovery of abnormal coagulation in acute promyelocytic leukemia (APL) patients during induction therapy. MATERIAL AND METHODS Retrospective analysis was performed in 112 newly-diagnosed patients with APL during induction treatment. RESULTS The early death (ED) rate in our study was 5.36% and the main cause was fetal hemorrhage. The presence of bleeding symptoms was significantly correlated with low platelet and fibrinogen levels...
May 17, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29770997/gemcitabine-nab-paclitaxel-for-pediatric-relapsed-refractory-sarcomas
#12
Jonathan L Metts, Adina L Alazraki, Dana Clark, Ernest K Amankwah, Karen J Wasilewski-Masker, Bradley A George, Thomas A Olson, Thomas Cash
BACKGROUND: Pediatric patients with relapsed/refractory sarcomas have poor outcomes and need novel therapies that provide disease control while maintaining an acceptable quality of life. The activity and toxicity of gemcitabine and nab-paclitaxel in combination has not been reported in pediatrics. PROCEDURE: We reviewed the records of fifteen relapsed/refractory patients and one treatment-naïve patient who received gemcitabine/nab-paclitaxel at our institution...
May 17, 2018: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/29767837/romiplostim-for-the-management-of-perioperative-thrombocytopenia
#13
Hanny Al-Samkari, Ariela L Marshall, Katayoon Goodarzi, David J Kuter
Thrombocytopenic patients requiring invasive surgery have few options to improve their platelet count preoperatively. This is a single-centre, retrospective review of thrombocytopenic patients receiving the thrombopoietin receptor agonist romiplostim perioperatively to allow for surgical interventions. Patient characteristics, romiplostim use, and surgical and safety outcomes (bleeding, thrombosis, transfusions) were collected and analysed. Forty-seven patients underwent 51 surgical procedures (ranging from total hip arthroplasty to open cardiac surgery) with romiplostim support...
May 16, 2018: British Journal of Haematology
https://www.readbyqxmd.com/read/29765296/peripartum-haemorrhage-haemostatic-aspects-of-the-new-german-pph-guideline
#14
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
#15
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/29758592/comparison-of-a-therapeutic-only-versus-prophylactic-platelet-transfusion-policy-for-people-with-congenital-or-acquired-bone-marrow-failure-disorders
#16
REVIEW
Reem Malouf, Asma Ashraf, Andreas V Hadjinicolaou, Carolyn Doree, Sally Hopewell, Lise J Estcourt
BACKGROUND: Bone marrow disorders encompass a group of diseases characterised by reduced production of red cells, white cells, and platelets, or defects in their function, or both. The most common bone marrow disorder is myelodysplastic syndrome. Thrombocytopenia, a low platelet count, commonly occurs in people with bone marrow failure. Platetet transfusions are routinely used in people with thrombocytopenia secondary to bone marrow failure disorders to treat or prevent bleeding. Myelodysplastic syndrome is currently the most common reason for receiving a platelet transfusion in some Western countries...
May 14, 2018: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29756161/risk-factors-for-failure-of-systemic-to-pulmonary-artery-shunts-in-biventricular-circulation
#17
Keti Vitanova, Cornelius Leopold, Jelena Pabst von Ohain, Cordula Wolf, Elisabeth Beran, Rüdiger Lange, Julie Cleuziou
Systemic-to-pulmonary artery shunt placement is an established palliative procedure for congenital heart disease, but it is associated with high morbidity and mortality. Data of all patients with biventricular circulation who underwent systemic-to-pulmonary artery shunt implantation between 2000 and 2016 were reviewed. Endpoints of the study were shunt failure and shunt-related mortality. Shunt failure was defined as any shunt dysfunction requiring intervention or reoperation. Shunt-related mortality was defined as death due to shunt dysfunction...
May 14, 2018: Pediatric Cardiology
https://www.readbyqxmd.com/read/29756014/hemodialysis-is-a-strong-risk-factor-for-post-endoscopic-sphincterotomy-bleeding-in-patients-with-choledocholithiasis
#18
So Nakaji, Nobuto Hirata, Hiroki Matsui, Toshiyasu Shiratori, Masayoshi Kobayashi, Shigenobu Yoshimura, Keisuke Kanda, Natsuki Kawamitsu, Hisato Harasawa
Background and study aims:  Hemodialysis (HD) is considered one of the risk factors for post-endoscopic sphincterotomy (ES) bleeding. Therefore, we conducted a retrospective study to evaluate HD as a risk factor for post-ES bleeding in patients with choledocholithiasis. Patients and methods:  We used the post-ES bleeding rate as the main outcome measure. To evaluate the influence of HD on the risk of post-ES bleeding, logistic regression and propensity score analyses were conducted...
May 2018: Endoscopy International Open
https://www.readbyqxmd.com/read/29753839/platelet-transfusion-refractoriness-in-single-unit-cord-blood-transplantation-for-adults-risk-factors-and-clinical-outcomes
#19
Susumu Tanoue, Takaaki Konuma, Seiko Kato, Maki Oiwa-Monna, Masamichi Isobe, Koji Jimbo, Satoshi Takahashi, Arinobu Tojo
Platelet transfusion refractoriness (PTR) is frequently observed after allogeneic hematopoietic cell transplantation (HCT). However, the incidence of and risk factors for PTR, and impact of PTR on transplant outcomes after cord blood transplantation (CBT) have not been fully investigated. We retrospectively analyzed 185 adult patients who received single-unit CBT in our institute. The mean 16-hour corrected count increment (CCI) for the 5,840 platelet transfusions was 3.68×109 /l. Among them, 3,196 transfusions (54...
May 10, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29753821/thromboelastography-is-associated-with-surrogates-for-bleeding-after-pediatric-cardiac-surgery
#20
Sirisha Emani, Lynn A Sleeper, David Faraoni, Michelle Mulone, Fatoumata Diallo, James A DiNardo, Juan Ibla, Sitaram M Emani
BACKGROUND: Perioperative bleeding is a common complication in pediatric patients undergoing cardiac surgery. Although thromboelastography (TEG) has been utilized in patients undergoing adult cardiac surgery, limited data are available in pediatric patients. We hypothesize that TEG parameters may be associated with surrogate endpoints for postoperative bleeding in pediatric patients undergoing complex cardiac surgery. METHODS: In a retrospective study, TEG was obtained after protamine administration and upon intensive care unit (ICU) admission in pediatric patients (≤ 18yrs) undergoing cardiac surgery requiring cardiopulmonary bypass...
May 10, 2018: Annals of Thoracic Surgery
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