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lyophilized plasma fibrinogen hemorrhage

Steven Sanders, Homer Tien, Jeannie Callum, Barto Nascimento, Henry Peng, Chris Funk, Joanne Schmid, Sandro Rizoli, Shawn Rhind, Andrew Beckett
Introduction: Hemorrhage is the most common cause of death among Special Operations Force (SOF) soldiers. Bringing remote damage control resuscitation into the far-forward combat environment is logistically challenging, as it requires blood products that generally require a robust cold chain. Alternatively, lyophilized products such as fibrinogen concentrate, which does not require thawing or blood group compatibility testing before use, might be advantageous in damage control resuscitation in the battlefield...
January 1, 2018: Military Medicine
Giacomo E Iapichino, Martin Ponschab, Janne Cadamuro, Susanne Süssner, Christian Gabriel, Benjamin Dieplinger, Margot Egger, Christoph J Schlimp, Soheyl Bahrami, Herbert Schöchl
BACKGROUND: During massive hemorrhage, it is recommended to transfuse red blood cells, platelet concentrate, and fresh-frozen plasma in a ratio close to 1:1:1. To avoid the thawing process of fresh frozen plasma, lyophilized plasma (LP) is increasingly used. Evidence is limited on the activity of coagulation factors in reconstituted blood using LP and concentrated LP versions. STUDY DESIGN AND METHODS: Whole blood from ten healthy volunteers was separated into red blood cell, fresh frozen plasma, and platelet concentrate units...
July 2017: Transfusion
Betzabeth Pereira, Josmary Brazón
ETHNOPHARMACOLOGICAL RELEVANCE: Brownea grandiceps flowers are used in Venezuelan folk medicine as anti-hemorrhagic in women with heavy menstrual blood loss (menorrhagia). However, prior to this study, there were no scientific investigations to support this fact, because the aqueous extract from Brownea grandiceps flowers had not been previously evaluated neither phytochemically nor biologically. The objective of this work was to evaluate in vitro the effects of aqueous extract from Brownea grandiceps flowers on the coagulation system and fibrinolysis...
February 3, 2015: Journal of Ethnopharmacology
Tim H Lee, Kate Watson, Loïc Fabricant, Jeffrey Barton, Jerome Differding, Igor Kremenevskiy, Claire Sands, Connor Wiles, Jennifer M Watters, Martin A Schreiber
BACKGROUND: We performed this study to optimize reconstituted lyophilized plasma (LP) into a minimal volume fluid that provides effective hemostatic resuscitation for trauma while minimizing logistical limitations. METHODS: We performed a prospective, blinded animal study. Plasma was lyophilized following whole blood collection from anesthetized swine. The minimal volume needed for reconstitution was determined, and this solution was evaluated for safe infusion into the swine...
September 2013: Journal of Trauma and Acute Care Surgery
Kenichi A Tanaka, Katherine Egan, Fania Szlam, Satoru Ogawa, John D Roback, Gautam Sreeram, Robert A Guyton, Edward P Chen
BACKGROUND: Platelet (PLT) and plasma transfusion remain the mainstay hemostatic therapy for perioperative bleeding. Several studies have indicated that acquired fibrinogen (FIB) deficiency can be the primary cause of bleeding after cardiac surgery. The aim of this study was to compare hematologic and transfusion profiles between the first-line FIB replacement and PLT transfusion in post-cardiac surgical bleeding. STUDY DESIGN AND METHODS: In this prospective, randomized, open-label study, 20 adult patients who underwent valve replacement or repair and fulfilled preset visual bleeding scale were randomized to 4 g of FIB or 1 unit of apheresis PLTs...
January 2014: Transfusion
Jürgen Bux, Dieter Dickhörner, Edgar Scheel
BACKGROUND: Transfusion of plasma is a basic treatment for complex coagulopathies as well as in major blood loss. Early transfusion of plasma after trauma with major hemorrhage has been recommended by retrospective studies. However, the use of plasma is often hampered by the need to maintain a cold chain and the time needed for thawing fresh-frozen plasma (FFP). With freeze-dried (lyophilized) plasma (FDP) both difficulties can be avoided. Here, we describe the production, quality characteristics, and our experiences with FDP...
December 2013: Transfusion
Jerrold H Levy, Fania Szlam, Kenichi A Tanaka, Roman M Sniecienski
Fibrinogen plays several key roles in the maintenance of hemostasis. Its cleavage by thrombin and subsequent polymerization to form fibrin strands provides the structural network required for effective clot formation. During cases of acute blood loss, attempts to maintain circulating volume and tissue perfusion often involve the infusion of crystalloids, colloids, and red blood cells. Intravascular volume resuscitation, although vital, frequently results in dilution of the remaining clotting factors and onset of dilutional coagulopathy...
February 2012: Anesthesia and Analgesia
Fahad Shuja, Robert A Finkelstein, Eugene Fukudome, Michael Duggan, Tareq Kheirbek, Kristopher Hamwi, Thomas H Fischer, Karim Fikry, Marc deMoya, George C Velmahos, Hasan B Alam
BACKGROUND: Trauma-associated coagulopathy carries an extremely high mortality. Fresh-frozen plasma (FFP) is the mainstay of treatment; however, its availability in the battlefield is limited. We have already shown that lyophilized, freeze-dried plasma (FDP) reconstituted in its original volume can reverse trauma-associated coagulopathy. To enhance the logistical advantage (lower volume and weight), we developed and tested a hyperoncotic, hyperosmotic spray-dried plasma (SDP) product in a multiple injuries/hemorrhagic shock swine model...
March 2011: Journal of Trauma
Fahad Shuja, Christian Shults, Michael Duggan, Malek Tabbara, Muhammad U Butt, Thomas H Fischer, Martin A Schreiber, Brandon Tieu, John B Holcomb, Jill L Sondeen, Marc Demoya, George C Velmahos, Hasan B Alam
BACKGROUND: Trauma-induced coagulopathy is associated with an extremely high mortality. We have recently shown that survival can be improved by correction of coagulopathy through early, aggressive infusion of Fresh Frozen Plasma (FFP). However, FFP is a perishable product, and its use is impractical in challenging environments such as a battlefield. Development of shelf-stable, easy to use, low volume, lyophilized, Freeze-Dried Plasma (FDP) can overcome the logistical limitations. We hereby report the development and testing of such a product...
November 2008: Journal of Trauma
H S Mueller, A K Rao, S A Forman
Coronary recanalization rates and changes in plasma proteins of the fibrinolytic system were evaluated with two preparations of recombinant tissue-type plasminogen activator (rt-PA): the early formulation in liquid excipient ("old" rt-PA) and the later lyophilized form ("new" rt-PA). The dose dependency of coronary recanalization and of effects on plasma proteins was evaluated for the new rt-PA. Four groups of patients were studied: Study 1, 80 mg old rt-PA infused intravenously over 3 hours (n = 113); Study A, 80 mg new rt-PA over 3 hours (n = 47); Study B, 100 mg new rt-PA over 3 hours (n = 83); and Study C, 150 mg new rt-PA over 6 hours (n = 62)...
September 1987: Journal of the American College of Cardiology
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