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Cryoprecipitate

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https://www.readbyqxmd.com/read/29905947/immunoreactivity-of-biochemically-purified-amandin-from-thermally-processed-almonds-prunus-dulcis-l
#1
Valerie D Zaffran, Shridhar K Sathe
Almond seeds were subjected to select thermal processing and amandin was purified from processed and unprocessed (control) seeds using cryoprecipitation. Amandin immunoreactivity was assessed using two murine monoclonal antibodies (mAbs)-4C10 and 4F10 detecting human IgE-relevant conformational and linear epitopes, respectively. Overall amandin immunoreactivity following thermal treatment ranged from 64.9% to 277.8% (4C10) and 81.3% to 270.3% (4F10). Except for autoclaving (121 °C, 15 psi, 30 min) and roasting (160 °C, 30 min), the tested processing conditions resulted in increased immunoreactivity as determined by mAbs 4C10 and 4F10-based enzyme-linked immunosorbent assays (ELISAs)...
June 15, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29903028/feasibility-of-a-novel-synthetic-self-assembling-peptide-for-suture-line-haemostasis-in-cardiac-surgery
#2
Suresh Giritharan, Kareem Salhiyyah, Geoffrey M Tsang, Sunil K Ohri
BACKGROUD: To assess the feasibility and efficacy of PuraStat®, a novel haemostatic agent, in achieving suture line haemostasis in a wide range of cardiac surgical procedures and surgery of the thoracic aorta. METHODS: A prospective, non-randomised study was conducted at our institution. Operative data on fifty consecutive patients undergoing cardiac surgery where PuraStat® was utilised in cases of intraoperative suture line bleeding was prospectively collected...
June 15, 2018: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/29894343/anesthetic-management-of-a-patient-with-ongoing-thrombolytic-therapy-during-decompressive-craniectomy-a-case-report
#3
Nicole Souper, Claudia Jiménez, Felipe Maldonado
Decompressive craniectomy (DC) is a therapeutic alternative for reducing intracranial pressure after a middle cerebral artery stroke. If thrombolytic therapy is administered, craniectomy is usually postponed for at least 24 hours due to a risk of severe bleeding. We describe a case in which DC was performed on a 38-year-old man who received thrombolytic therapy for an ischemic stroke involving the middle cerebral artery. His neurological and hemodynamic status worsened during its administration, and DC was performed 6 hours after thrombolysis was performed...
June 11, 2018: A&A practice
https://www.readbyqxmd.com/read/29883333/-cryoglobulins-and-cryoglobulinemic-vasculitis
#4
Dorota Suszek, Maria Majdan
Cryoglobulinemia is defined as the presence of cryoglobulins in the blood. Cryoglobulinemia is often observed in the course of many diseases (infection, hematological disorders, autoimmune disorders) or has an idiopathic character. The classification of cryoglobulinemia is based on the immunological analysis of cryoglobulins and the activity of the rheumatoid factor (RF). The presence of cryoglobulins may induce cryoglobulinemic vasculitis (CV) which manifests with skin changes, arthritis and the dysfunction of internal organs...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29859130/thromboelastometry-guided-hemostatic-therapy-for-hemorrhagic-shock-in-the-postoperative-period-of-vascular-surgery-a-case-report
#5
Tomaz Crochemore, Felicio A Savioli
BACKGROUND: Hemorrhagic shock is a medical emergency that often complicates vascular surgery and can lead to death. Hemorrhagic shock is characterized by hypoperfusion and hemodynamic abnormalities leading to the collapse of homeostasis due to massive blood loss. Early diagnosis is critical for a favorable outcome. Thromboelastometry has been considered an effective tool for bleeding management in critically ill patients. Thromboelastometry can guide transfusion therapy quickly, reducing the need for blood products...
June 2, 2018: Journal of Medical Case Reports
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/29766777/administering-riastap-for-congenital-afibrinogenemia-during-liver-transplant
#7
Chris Giordano, Chris Johnson, Janice Lawson, Anita Rajasekhar, Elizabeth Thomas
Liver transplant has occasionally been performed in the presence of congenital afibrinogenemia and has been rarely used to treat it. Historically, to safely manage coagulopathy during transplant, these patients have been administered a combination of fresh frozen plasma and cryoprecipitate. In this case report, we discuss the first reported use of recombinant fibrinogen to treat such a patient and the decision-making process considered to balance the thrombotic and hemorrhagic risks.
May 16, 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29709461/different-biochemical-patterns-in-type-ii-and-type-iii-mixed-cryoglobulinemia-in-hcv-positive-patients
#8
Umberto Basile, Francesca Gulli, Laura Gragnani, Krizia Pocino, Cecilia Napodano, Luca Miele, Stefano Angelo Santini, Mariapaola Marino, Anna Linda Zignego, Gian Ludovico Rapaccini
BACKGROUND: Reversible cryoprecipitability of proteins is observed as a concomitant feature of immune complex formation. Mixed cryoglobulinemia (MC) is systemic vasculitis, associated with mixed IgM and IgG cryoglobulins (CGs) showing rheumatoid factor (RF) activity. It is frequently associated with hepatitis C virus (HCV). This study investigates the presence of IgG RF and anti-nuclear antibodies (ANA) in cryoprecipitates of patients with type III and type II MC, to understand the biochemical patterns associated with different types of MC to a greater degree...
April 4, 2018: Digestive and Liver Disease
https://www.readbyqxmd.com/read/29709368/empiric-transfusion-strategies-during-life-threatening-hemorrhage
#9
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
https://www.readbyqxmd.com/read/29706445/reoperative-complications-following-pediatric-liver-transplantation
#10
Dor Yoeli, Ruth L Ackah, Rohini R Sigireddi, Michael L Kueht, N Thao N Galvan, Ronald T Cotton, Abbas Rana, Christine A O'Mahony, John A Goss
BACKGROUND: The aim of this study is to describe the incidence and impact of reoperation following pediatric liver transplantation, as well as the indications and risk factors for these complications. METHODS: All primary pediatric liver transplants performed at our institution between January 2012 and September 2016 were reviewed. A reoperative complication was defined as a complication requiring return to the operating room within 30 days or the same hospital admission as the transplant operation, excluding retransplantation...
April 7, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29697211/molecular-profiling-and-clonal-tracking-of-secreted-rheumatoid-factors-in-primary-sj%C3%A3-gren-s-syndrome
#11
Jing J Wang, Joanne H Reed, Alex D Colella, Amanda J Russell, William Murray-Brown, Tim K Chataway, Katherine J L Jackson, Christopher C Goodnow, Tom P Gordon
OBJECTIVE: Rheumatoid factors (RFs) are associated with systemic disease in primary Sjögren's syndrome (SS) and may be pathogenic as mixed cryoglobulins. Current detection methods cannot resolve RFs at a molecular level. Here, we perform the first proteomic and transcriptomic analysis of secreted and membrane-bound RF IgM in primary SS and identify unique heavy (H)-chain peptide signatures for RF clonotype tracking. METHODS: Purified H-chains of serum RFs (IgH-RF) from 15 primary SS patients were subjected to de novo mass spectrometric sequencing...
April 26, 2018: Arthritis & Rheumatology
https://www.readbyqxmd.com/read/29678987/protocol-for-a-phase-iii-non-inferiority-randomised-comparison-of-a-new-fibrinogen-concentrate-versus-cryoprecipitate-for-treating-acquired-hypofibrinogenaemia-in-bleeding-cardiac-surgical-patients-the-fibres-trial
#12
Keyvan Karkouti, Jeannie Callum, Vivek Rao, Nancy Heddle, Michael E Farkouh, Mark A Crowther, Damon C Scales
INTRODUCTION: Coagulopathic bleeding is a serious complication of cardiac surgery to which an important contributor is acquired hypofibrinogenaemia (plasma fibrinogen <1.5-2.0 g/L). The standard intervention for acquired hypofibrinogenaemia is cryoprecipitate, but purified fibrinogen concentrates are also available. There is little comparative data between the two therapies and randomised trials are needed. METHODS AND ANALYSIS: FIBrinogen REplenishment in Surgery (FIBRES) is a multicentre, randomised (1:1), active-control, single-blinded, phase III trial in adult cardiac surgical patients experiencing clinically significant bleeding related to acquired hypofibrinogenaemia...
April 20, 2018: BMJ Open
https://www.readbyqxmd.com/read/29661028/development-of-large-scale-manufacturing-of-adipose-derived-stromal-cells-for-clinical-applications-using-bioreactors-and-human-platelet-lysate
#13
Mandana Haack-Sørensen, Morten Juhl, Bjarke Follin, Rebekka Harary Søndergaard, Maria Kirchhoff, Jens Kastrup, Annette Ekblond
In vitro expanded adipose-derived stromal cells (ASCs) are a useful resource for tissue regeneration. Translation of small-scale autologous cell production into a large-scale, allogeneic production process for clinical applications necessitates well-chosen raw materials and cell culture platform. We compare the use of clinical-grade human platelet lysate (hPL) and fetal bovine serum (FBS) as growth supplements for ASC expansion in the automated, closed hollow fibre quantum cell expansion system (bioreactor)...
April 17, 2018: Scandinavian Journal of Clinical and Laboratory Investigation
https://www.readbyqxmd.com/read/29604163/multicenter-in-vitro-thromboelastography-and-thromboelastometry-standardization
#14
Robert Goggs, Antonio Borrelli, Benjamin M Brainard, Daniel L Chan, Armelle de Laforcade, Isabelle Goy-Thollot, Karl E Jandrey, Annemarie T Kristensen, Annette Kutter, Clara B Marschner, Benoît Rannou, Nadja Sigrist, Catherine Wagg
OBJECTIVE: To establish and compare the repeatability and reproducibility of activated thromboelastography (TEG) and thromboelastometry (ROTEM) assays. DESIGN: Multicenter in vitro test standardization. SETTING: Veterinary academic centers. ANIMALS: Test samples were obtained from normal, healthy dogs. Sixty identical 5 mL aliquots of canine platelet-rich plasma collected by apheresis, frozen in 6% dimethyl sulfoxide, were tested initially...
May 2018: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/29584463/do-we-still-need-cryoprecipitate-cryoprecipitate-and-fibrinogen-concentrate-as-treatments-for-major-hemorrhage-how-do-they-compare
#15
Alex Novak, Simon J Stanworth, Nicola Curry
Major hemorrhage is a source of significant mortality and morbidity worldwide. Identification and characterization of coagulation impairment associated with major hemorrhage has suggested a key role for fibrinogen deficiency, however the optimum mode of replacement of fibrinogen remains unclear, and standardized major hemorrhage protocols may overlook context-dependent variations in individual patients' clotting derangement. Areas covered: This paper examines the current practice and evidence regarding the role of different modes of fibrinogen replacement in major hemorrhage in 3 distinct clinical settings: trauma, obstetric hemorrhage, and gastrointestinal hemorrhage with associated liver disease...
May 2018: Expert Review of Hematology
https://www.readbyqxmd.com/read/29558353/-cryoglobulins-and-cryoglobulinemic-vasculitis
#16
Dorota Suszek, Maria Majdan
Cryoglobulinemia is defined as the presence of cryoglobulins in the blood. Cryoglobulinemia is often observed in the course of many diseases (infection, hematological disorders, autoimmune disorders) or has an idiopathic character. The classification of cryoglobulinemia is based on the immunological analysis of cryoglobulins and the activity of the rheumatoid factor (RF). The presence of cryoglobulins may induce cryoglobulinemic vasculitis (CV) which manifests with skin changes, arthritis and the dysfunction of internal organs...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/29547910/facilitating-technologies-in-minimally-invasive-aortic-valve-replacement-a-propensity-score-analysis
#17
Konstadinos Plestis, Oleg Orlov, Vishal N Shah, Joshua Wong, Matthew Thomas, Alon Aharon, Cinthia Orlov, Georgia Panagopoulos, Scott Goldman
OBJECTIVES: Minimally invasive aortic valve replacement (MIAVR) can be technically demanding and may lead to prolonged operative time. We evaluated the intraoperative and postoperative patient outcomes following implementation of 2 facilitating technologies (FT) in MIAVR: the Cor-Knot titanium fastener and Custodiol-histidine-tryptophan-ketoglutarate solution. METHODS: A total of 299 patients underwent MIAVR from 2008 to 2016; 172 (57.5%) patients were included in the FT group and 127 (42...
March 14, 2018: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29516503/blood-product-transfusion-and-wastage-rates-in-obstetric-hemorrhage
#18
Mark H Yazer, Nancy M Dunbar, Claudia Cohn, Jessica Dillon, Howida Eldib, Bryon Jackson, Richard Kaufman, Michael F Murphy, Kerry O'Brien, Jay S Raval, Jansen Seheult, Julie Staves, Jonathan H Waters
BACKGROUND: Bleeding emergencies can complicate pregnancies. Understanding the disposition of the products that are issued in this clinical setting can help inform inventory levels at hospitals where obstetric patients are seen. STUDY DESIGN AND METHODS: Patients who had an obstetric hemorrhage of any etiology between January 2013 and June 2017, and whose resuscitation began with uncrossmatched red blood cells (RBCs) or emergency-issued plasma or platelets (PLT), were included...
March 7, 2018: Transfusion
https://www.readbyqxmd.com/read/29479718/cryoprecipitate-transfusions-in-the-neonatal-intensive-care-unit-a-performance-improvement-study-to-decrease-donor-exposure
#19
Erin K Tkach, Amy Mackley, Alison Brooks, Josh Kessler, David A Paul
BACKGROUND: The objective of this study was to determine if a change in cryoprecipitate transfusion policy impacts donor exposure and fibrinogen level in a neonatal intensive care unit (NICU) population. STUDY DESIGN AND METHODS: The cryoprecipitate policy was changed from transfusing 10ml/kg to a maximum of 1 unit per transfusion in January 2013. Data were obtained via retrospective chart review of all infants receiving cryoprecipitate transfusions from January 2008 to February 2015 in the NICU at Christiana Hospital...
May 2018: Transfusion
https://www.readbyqxmd.com/read/29479708/hemostatic-profile-and-safety-of-pooled-cryoprecipitate-up-to-120-hours-after-thawing
#20
Parvez M Lokhandwala, Adrian O'Neal, Eshan U Patel, Patricia A R Brunker, Eric A Gehrie, Gang Zheng, Thomas S Kickler, Paul M Ness, Aaron A R Tobian
BACKGROUND: AABB standards state that cryoprecipitate should be transfused within 4 to 6 hours after thawing. We evaluated coagulation factor levels and sterility of thawed pooled cryoprecipitate to assess whether shelf life can be safely extended. STUDY DESIGN AND METHODS: Donor cryoprecipitate pools (n = 20, 10 group A, 10 group O) were held at ambient temperature and sampled at 0, 4, 8, 24, 48, 72, 96, and 120 hours post-thawing for fibrinogen, Factor (F)VIII, and von Willebrand factor (vWF) levels...
May 2018: Transfusion
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