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https://www.readbyqxmd.com/read/28737597/a-prospective-study-of-the-association-between-clinically-significant-bleeding-in-picu-patients-and-thrombocytopenia-or-prolonged-coagulation-times
#1
Paul C Moorehead, Nicholas J Barrowman, Janelle Cyr, Jamie Ray, Robert Klaassen, Kusum Menon
OBJECTIVE: There are no proven methods to predict the risk of clinically significant bleeding in the PICU. A retrospective study identified platelet count as a risk marker for clinically significant bleeding. We conducted a study to examine any association of platelet count, international normalized ratio, and activated partial thromboplastin time with bleeding risk in PICU patients. DESIGN: Prospective observational cohort study. SETTING: The PICU at the Children's Hospital of Eastern Ontario, a university-affiliated tertiary care pediatric center...
July 21, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28737229/advances-in-transfusion-medicine-gastrointestinal-bleeding
#2
REVIEW
K Oakland, V Jairath, M F Murphy
Gastrointestinal bleeding is a common medical and surgical emergency and is the second most common indication for red blood cell (RBC) transfusion in the UK. Most transfusion guidelines recommend the use of restrictive blood transfusion in stable gastrointestinal bleeding. This review explores the evidence supporting this practice, including whether it is safe in lower as well as upper gastrointestinal bleeding, and the risks of restrictive transfusion in patients with cardiovascular disease. There is a lack of evidence supporting the use of platelet and fresh frozen plasma transfusion in gastrointestinal bleeding...
July 24, 2017: Transfusion Medicine
https://www.readbyqxmd.com/read/28729303/amotosalen-uva-pathogen-inactivation-technology-reduces-platelet-activatability-induces-apoptosis-and-accelerates-clearance
#3
Simona Stivala, Sara Gobbato, Laura Infanti, Martin F Reiner, Nicole Bonetti, Sara C Meyer, Giovanni G Camici, Thomas F Lüscher, Andreas Buser, Jürg H Beer
Amotosalen and ultraviolet A photochemical-based pathogen reduction using the InterceptTM Blood System is an effective and established technology for platelet and plasma components, which is adopted in more than 40 countries worldwide. Several reports point towards a reduced platelet function after Amotosalen/UVA exposure. The current study was undertaken to identify the mechanisms responsible for the early impairment of platelet function by the InterceptTM Blood System. Twenty-five platelet apheresis units were collected from healthy volunteers following standard procedures and split into 2 components, one untreated and the other treated with Amotosalen/UVA...
July 20, 2017: Haematologica
https://www.readbyqxmd.com/read/28729253/genome-sequences-of-the-first-who-repository-of-platelet-transfusion-relevant-bacterial-reference-strains
#4
Alexander Mellmann, Eva Spindler-Raffel, Stefan Bletz, Marcel Prax, Isabelle Bekeredjian-Ding
To develop novel techniques for improving blood safety, dedicated bacterial strains, which are able to persist and to proliferate in blood platelet concentrates, are needed. Here, we present draft genome sequences of the four bacterial strains approved for the first WHO repository of platelet transfusion-relevant bacterial reference strains.
July 20, 2017: Genome Announcements
https://www.readbyqxmd.com/read/28728262/-evaluation-of-efficacy-of-immunosuppressive-therapy-plus-recombinant-human-thrombopoietin-for-children-with-severe-aplastic-anemia
#5
K Zhou, C X Liu, Y Li, J P Li, H H Fan, L Zhang, L P Jing, G X Peng, L Ye, Y Li, L Song, X Zhao, W R Yang, Z J Wu, F Chen, F K Zhang
Objective: To evaluate the therapeutic efficacy and safety of immunosuppressive therapy (IST) combined with recombinant human thrombopoietin (rhTPO) for severe aplastic anemia (SAA) in pediatric patients. Method: A retrospective case-control study was conducted and the clinical data of 45 pediatric patients with de novo SAA admitted to the Anemia Diagnosis and Treatment Center of Chinese Academy of Medical Sciences & Blood Disease Hospital during the period from December 2009 to December 2014 were analyzed...
July 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/28727139/effect-of-solvent-detergent-treated-pooled-plasma-on-fibrinolysis-in-reconstituted-whole-blood
#6
Nicholas H Saadah, Pieter F van der Meer, Herm Jan M Brinkman, Dirk de Korte, Ido J Bontekoe, Herbert H Korsten, Rutger A Middelburg, Johanna G van der Bom, Martin R Schipperus
BACKGROUND: Hyperfibrinolysis has been observed in patients heavily transfused with solvent/detergent-treated pooled plasma (S/D plasma). We compared coagulation and fibrinolytic variables in blood containing S/D plasma with blood containing fresh-frozen plasma (FFP), with and without α2-antiplasmin or tranexamic acid (TXA) supplementation. STUDY DESIGN AND METHODS: Whole blood samples were reconstituted from red blood cells, platelet (PLT) concentrates, and varying mixtures of FFP and S/D plasma...
July 20, 2017: Transfusion
https://www.readbyqxmd.com/read/28726538/marked-bleeding-diathesis-in-patients-with-platelet-dysfunction-due-to-a-novel-mutation-in-rasgrp2-encoding-caldag-gefi-p-gly305asp
#7
Emilse Bermejo, Maria F Alberto, David S Paul, Aaron A Cook, Paquita Nurden, Analia Sanchez Luceros, Alan T Nurden, Wolfgang Bergmeier
Congenital platelet function disorders are often the result of defects in critical signal transduction pathways required for platelet adhesion and clot formation. Mutations affecting RASGRP2, the gene encoding the Rap GTPase activator, CalDAG-GEFI, give rise to a novel, and rare, group of platelet signal transduction abnormalities. We here report platelet function studies for two brothers (P1 and P2) expressing a novel variant of RASGRP2, CalDAG-GEFI(p.Gly305Asp). P1 and P2 have a lifelong history of bleeding with severe epistaxis successfully treated with platelet transfusions or rFVIIa...
July 20, 2017: Platelets
https://www.readbyqxmd.com/read/28723699/intraoperative-bleeding-in-patients-with-osteogenesis-imperfecta-type-iii-treated-by-fassier-duval-femoral-rodding-analysis-of-risk-factors
#8
Pietro Persiani, Maria V Pesce, Lorena Martini, Filippo M Ranaldi, Patrizia D'Eufemia, Anna Zambrano, Mauro Celli, Ciro Villani
The surgical treatment of osteogenesis imperfecta (OI) is negatively influenced by clinical features such as osteoporosis, limb deformities and bone changes caused by bisphosphonate therapy. Blood loss during femoral nailing surgeries in patients with OI is a serious problem. Platelet anomalies have been associated with an elevation of the serum pyrophosphate originating from the platelets during clotting, even if the causality with the platelet dysfunction has not yet been established. To identify predictive risk factors regarding intraoperative bleeding, a retrospective analysis was conducted on 23 patients aged between 6 and 13 years, affected by OI type III, who were treated to correct femoral deformities or to perform an osteosynthesis for femoral shaft fractures, using the Fassier-Duval telescopic nail...
July 18, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28722609/differences-in-mortality-and-clinical-manifestations-of-dengue-hemorrhagic-fever-in-taiwan-in-different-years-a-comparison-for-cases-in-2014-and-2015-epidemics
#9
Ko Chang, Chung-Hao Huang, Ing-Kit Lee, Po-Liang Lu, Chun-Yu Lin, Tun-Chieh Chen, Ping-Chang Lai, Hsiao-Cheng Hsieh, Hsin-Liang Yu, Chih-Hsing Hung, Meng-Chieh Wu, Yi-Ying Chin, Chun-Chi Huang, Deng-Chyang Wu, Yen-Hsu Chen
People in southern Taiwan experienced two major dengue outbreaks in 2014 and 2015. The mortality and clinical features were very different between these 2 years. Dengue virus serotype 1 (DENV-1) caused epidemic outbreak in 2014 and DENV-2 was predominant in 2015. The characteristics of dengue hemorrhagic fever (DHF) cases in the 2 years was analyzed. We conducted a retrospective chart review to analyze the clinical and laboratory features of 206 adult patients with DHF in southern Taiwan in 2014 and 2015. The mortality rate of DHF cases in 2015 was higher than that of cases in 2014 (38...
June 12, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28720606/re-using-blood-products-as-an-alternative-supplement-in-the-optimisation-of-clinical-grade-adipose-derived-mesenchymal-stem-cell-culture
#10
J Phetfong, T Tawonsawatruk, K Seenprachawong, A Srisarin, C Isarankura-Na-Ayudhya, A Supokawej
OBJECTIVES: Adipose-derived mesenchymal stem cells (ADMSCs) are a promising strategy for orthopaedic applications, particularly in bone repair. Ex vivo expansion of ADMSCs is required to obtain sufficient cell numbers. Xenogenic supplements should be avoided in order to minimise the risk of infections and immunological reactions. Human platelet lysate and human plasma may be an excellent material source for ADMSC expansion. In the present study, use of blood products after their recommended transfusion date to prepare human platelet lysate (HPL) and human plasma (Hplasma) was evaluated for in vitro culture expansion and osteogenesis of ADMSCs...
July 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28720587/platelet-soluble-cd40-ligand-level-is-associated-with-transfusion-adverse-reactions-in-a-mixed-threshold-and-hit-model
#11
Fabrice Cognasse, Caroline Sut, Elisa Fromont, Sandrine Laradi, Hind Hamzeh-Cognasse, Olivier Garraud
No abstract text is available yet for this article.
July 18, 2017: Blood
https://www.readbyqxmd.com/read/28719428/blood-product-utilization-among-trauma-and-nontrauma-massive-transfusion-protocols-at-an-urban-academic-medical-center
#12
Eshan U Patel, Paul M Ness, Christi E Marshall, Thomas Gniadek, David T Efron, Peter M Miller, Joseph A Zeitouni, Karen E King, Evan M Bloch, Aaron A R Tobian
BACKGROUND: Hospital-wide massive transfusion protocols (MTPs) primarily designed for trauma patients may lead to excess blood products being prepared for nontrauma patients. This study characterized blood product utilization among distinct trauma and nontrauma MTPs at a large, urban academic medical center. METHODS: A retrospective study of blood product utilization was conducted in patients who required an MTP activation between January 2011 and December 2015 at an urban academic medical center...
July 14, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28718518/reduction-of-zika-virus-infectivity-in-platelet-concentrates-after-treatment-with-ultraviolet-c-light-and-in-plasma-after-treatment-with-methylene-blue-and-visible-light
#13
Jesse J Fryk, Denese C Marks, Jody Hobson-Peters, Daniel Watterson, Roy A Hall, Paul R Young, Stefan Reichenberg, Frank Tolksdorf, Chryslain Sumian, Ute Gravemann, Axel Seltsam, Helen M Faddy
BACKGROUND: Zika virus (ZIKV) has emerged as a potential threat to transfusion safety worldwide. Pathogen inactivation is one approach to manage this risk. In this study, the efficacy of the THERAFLEX UV-Platelets system and THERAFLEX MB-Plasma system to inactivate ZIKV in platelet concentrates (PCs) and plasma was investigated. STUDY DESIGN AND METHODS: PCs spiked with ZIKV were treated with the THERAFLEX UV-Platelets system at 0.05, 0.10, 0.15, and 0.20 J/cm(2) UVC...
July 17, 2017: Transfusion
https://www.readbyqxmd.com/read/28717377/appropriate-blood-component-therapy-can-reduce-postcardiac-surgery-acute-kidney-injury-through-packed-cell-transfusion-reduction
#14
Kianoush Saberi, Mehrdad Salehi, Mehrzad Rahmanian, Ali Reza Bakhshandeh, Gholam Reza Massoumi
BACKGROUND: Acute kidney injury (AKI) can happen due to different factors such as anemia. Packed cell (PC) transfusion is an important cause of AKI occurrence. The aim of the study is to investigate whether appropriate blood component (BC) therapy can reduce blood transfusion and it would result in AKI decreasing. MATERIALS AND METHODS: We conducted a cohort study of 1388 patients who underwent cardiac surgery in one university hospital. A serum creatinine higher than 2 mg/dl, renal disease history, renal replacement therapy (chronic dialysis) were our exclusion criteria...
2017: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/28715503/effects-of-preoperative-aspirin-on-perioperative-platelet-activation-and-dysfunction-in-patients-undergoing-off-pump-coronary-artery-bypass-graft-surgery-a-prospective-randomized-study
#15
Jiwon Lee, Chul-Woo Jung, Yunseok Jeon, Tae Kyong Kim, Youn Joung Cho, Chang-Hoon Koo, Yoon Hyeong Choi, Ki-Bong Kim, Ho Young Hwang, Hang-Rae Kim, Ji-Young Park
The benefit of aspirin use after coronary artery bypass graft surgery has been well proven. However, the effect of preoperative aspirin use in patients undergoing off-pump coronary artery bypass graft surgery (OPCAB) has not been evaluated sufficiently. To evaluate platelet function changes during OPCAB due to preoperative aspirin use, we conducted a randomized controlled trial using flow cytometry and the Multiplate® analyzer. Forty-eight patients scheduled for elective OPCAB were randomized to the aspirin continuation (100 mg/day until operative day) and discontinuation (4 days before the operative day) groups...
2017: PloS One
https://www.readbyqxmd.com/read/28713429/treatment-of-severe-refractory-hematuria-due-to-radiation-induced-hemorrhagic-cystitis-with-dexamethasone
#16
José Carlos Rodrigues Nascimento, Márcio Wilker Soares Campelo, Iuri Arruda Aragão, José Fernando Bastos de Moura, Lúcio Flávio Gonzaga Silva, Reinaldo Barreto Oriá
Treatment of pelvic neoplasms with radiotherapy may develop sequelae, especially RHC. An 85-year-old male patient was admitted to a hospital emergency with gross hematuria leading to urinary retention and was diagnosed with RHC. The urinary bladder was probed, unobstructed, and maintained in continuous three-way saline irrigation. During 45 days of hospitalization, the patient underwent two cystoscopic procedures for urinary bladder flocculation, whole blood transfusions, and one platelet apheresis. None of these interventions led to clinical resolution...
2017: Case Reports in Medicine
https://www.readbyqxmd.com/read/28712008/acute-lower-gastrointestinal-haemorrhage-outcomes-and-risk-factors-for-intervention-in-949-emergency-cases
#17
Kheng-Seong Ng, Natasha Nassar, Deanne Soares, Patrick Stewart, Marc A Gladman
PURPOSE: Outcomes of acute lower gastrointestinal haemorrhage (ALGIH) are mostly derived from studies performed in the sub-acute/elective rather than the emergency department (ED) setting. The aims of this study were to determine the incidence and outcomes of patients presenting to a tertiary hospital ED with ALGIH and to identify associated clinicopathological risk factors. METHOD: A retrospective observational cohort study of consecutive patients presenting with ALGIH to a tertiary hospital ED was performed...
July 15, 2017: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/28711920/baseline-factors-associated-with-response-to-ruxolitinib-an-independent-study-on-408-patients-with-myelofibrosis
#18
REVIEW
Francesca Palandri, Giuseppe Alberto Palumbo, Massimiliano Bonifacio, Mario Tiribelli, Giulia Benevolo, Bruno Martino, Elisabetta Abruzzese, Mariella D'Adda, Nicola Polverelli, Micaela Bergamaschi, Alessia Tieghi, Francesco Cavazzini, Adalberto Ibatici, Monica Crugnola, Costanza Bosi, Roberto Latagliata, Ambra Di Veroli, Luigi Scaffidi, Federico de Marchi, Elisa Cerqui, Barbara Anaclerico, Giovanna De Matteis, Marco Spinsanti, Elena Sabattini, Lucia Catani, Franco Aversa, Francesco Di Raimondo, Umberto Vitolo, Roberto Massimo Lemoli, Renato Fanin, Francesco Merli, Domenico Russo, Antonio Cuneo, Maria Letizia Bacchi Reggiani, Michele Cavo, Nicola Vianelli, Massimo Breccia
In patients with Myelofibrosis (MF) treated with ruxolitinib (RUX), the response is unpredictable at therapy start. We retrospectively evaluated the impact of clinical/laboratory factors on responses in 408 patients treated with RUX according to prescribing obligations in 18 Italian Hematology Centers. At 6 months, 114 out of 327 (34.9%) evaluable patients achieved a spleen response. By multivariable Cox proportional hazard regression model, pre-treatment factors negatively correlating with spleen response were: high/intermediate-2 IPSS risk (p=0...
June 27, 2017: Oncotarget
https://www.readbyqxmd.com/read/28709756/postoperative-outcomes-associated-with-neuraxial-vs-general-anesthesia-following-bilateral-total-knee-arthroplasty
#19
Jeffrey B Walker, Patrick L Nguyen, Ulrich H Schmidt, Rodney A Gabriel
BACKGROUND: There is sparse evidence on the benefit of neuraxial (NA) vs general anesthesia (GA) as the primary anesthetic in postoperative outcomes following bilateral total knee arthroplasty. We sought to elucidate differences in outcomes in this surgical population using a national database. METHODS: We used data from the National Surgical Quality Improvement Program from 2007 to 2013 and compared rates of various postoperative outcomes in propensity-matched cohorts (NA vs GA)...
June 23, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28707420/transthoracic-intracardiac-catheters-in-pediatric-cardiac-patients-a-single-center-experience
#20
Kristoffer Beham, Hitendu Dave, Janet Kelly, Bernhard Frey, Maja I Hug, Barbara Brotschi
BACKGROUND: Transthoracic intracardiac catheters are frequently inserted in children during congenital heart surgery for monitoring and vascular access purposes. Their use entails a small potential risk. AIM: We aimed to evaluate both catheter-associated morbidities related to maintenance and removal of transthoracic intracardiac catheters in pediatric cardiac patients, and predictors for catheter-associated adverse events. METHODS: Single-center retrospective cohort study of prospectively collected data of children aged 0-14 years receiving a transthoracic intracardiac catheter inserted in the operating room during 7 consecutive years at the University Children's Hospital Zurich...
July 14, 2017: Paediatric Anaesthesia
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