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hemostatic transfusion

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https://www.readbyqxmd.com/read/28428216/maturation-of-platelet-function-during-murine-fetal-development-in-vivo
#1
Andreas Margraf, Claudia Nussbaum, Ina Rohwedder, Sarah Klapproth, Angela R M Kurz, Annamaria Florian, Volker Wiebking, Joachim Pircher, Monika Pruenster, Roland Immler, Steffen Dietzel, Ludmila Kremer, Friedemann Kiefer, Markus Moser, Andreas W Flemmer, Elizabeth Quackenbush, Ulrich H von Andrian, Markus Sperandio
OBJECTIVE: Platelet function has been intensively studied in the adult organism. However, little is known about the function and hemostatic capacity of platelets in the developing fetus as suitable in vivo models are lacking. APPROACH AND RESULTS: To examine fetal platelet function in vivo, we generated a fetal thrombosis model and investigated light-/dye-induced thrombus formation by intravital microscopy throughout gestation. We observed that significantly less and unstable thrombi were formed at embryonic day (E) 13...
April 20, 2017: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/28420512/managing-vulvovaginal-hematoma-by-arterial-embolization-as-first-line-hemostatic-therapy
#2
Kenjiro Takagi, Keiko Akashi, Isao Horiuchi, Eishin Nakamura, Koki Samejima, Junko Ushijima, Tomohisa Okochi, Kohei Hamamoto, Keisuke Tanno
OBJECTIVE: A puerperal vulvovaginal hematoma may continue to grow after a surgical procedure and may require blood transfusion. Thus, we selected arterial embolization for hemostasis as the first-line management in two cases of large vulvovaginal hematoma. MATERIALS AND METHODS: Case 1 was a 32-year-old pregnant woman. After delivery, a 10-cm vulvar hematoma developed. An enhanced computed tomography (CT) scan revealed active bleeding. Arterial embolization was performed and complete hemostasis was obtained...
April 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/28407781/early-identification-of-patients-requiring-massive-transfusion-embolization-or-hemostatic-surgery-for-traumatic-hemorrhage-a-systematic-review-protocol
#3
Alexandre Tran, Maher Matar, Ewout W Steyerberg, Jacinthe Lampron, Monica Taljaard, Christian Vaillancourt
BACKGROUND: Hemorrhage is a major cause of early mortality following a traumatic injury. The progression and consequences of significant blood loss occur quickly as death from hemorrhagic shock or exsanguination often occurs within the first few hours. The mainstay of treatment therefore involves early identification of patients at risk for hemorrhagic shock in order to provide blood products and control of the bleeding source if necessary. The intended scope of this review is to identify and assess combinations of predictors informing therapeutic decision-making for clinicians during the initial trauma assessment...
April 13, 2017: Systematic Reviews
https://www.readbyqxmd.com/read/28396275/relationship-of-time-to-presentation-after-onset-of-upper-gi-bleeding-with-patient-characteristics-and-outcomes-a-prospective-study
#4
Loren Laine, Stig B Laursen, Harry R Dalton, Jing H Ngu, Michael Schultz, Adrian J Stanley
BACKGROUND & AIMS: We performed a prospective multi-national study of patients presenting to the emergency department with upper gastrointestinal bleeding (UGIB) and assessed the relationship of time to presentation after onset of UGIB symptoms with patient characteristics and outcomes. METHODS: Consecutive patients presenting with overt UGIB (red-blood emesis, coffee-ground emesis and/or melena) from March 2014 to March 2015 at 6 hospitals were included. Multiple pre-defined patient characteristics and outcomes were collected...
April 7, 2017: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/28395294/treatment-of-persistent-gross-hematuria-with-tranexamic-acid-in-autosomal-dominant-polycystic-kidney-disease
#5
Qing Yao, Ming Wu, Jie Zhou, Meiyang Zhou, Dongping Chen, Lili Fu, Rongrong Bian, Xiaohong Xing, Lijun Sun, Xiaohong Hu, Lin Li, Bing Dai, Rudolf P Wüthrich, Yiyi Ma, Chang-Lin Mei
BACKGROUND/AIMS: In this retrospective study we aimed to compare the effect of tranexamic acid (TXA) vs etamsylate, two hemostatic agents, on hematuria duration in autosomal dominant polycystic kidney disease (ADPKD) patients with persistent gross hematuria. METHODS: This is a retrospective study of 40 patients with ADPKD and macroscopic hematuria. 20 patients receiving TXA and snake venom blood clotting enzyme injection were compared with 20 matched patients receiving etamsylate and snake venom blood clotting enzyme injection...
April 11, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28394005/-buddy-wire-for-facilitation-of-femoral-venous-access-for-cryoablation-a-preliminary-report
#6
Aleksander Maciąg, Michał Farkowski, Jan Ciszewski, Mariusz Pytkowski, Hanna Szwed
BACKGROUND: Some electrophysiological techniques, such as balloon cryoablation, involve the use of steerable sheaths of large diameter (outer diameter 15Fr or more). Their introduction to the femoral vein may be difficult, especially in patients who have had numerous venipunctures in this area. The authors describe a modification of typical venous access with the use of a "buddy wire" technique, facilitating the insertion of the cryoablation sheaths to the femoral vein. METHODS: A case-control study...
April 10, 2017: Kardiologia Polska
https://www.readbyqxmd.com/read/28393462/current-use-of-factor-concentrates-in-pediatric-cardiac-anesthesia
#7
REVIEW
Nina A Guzzetta, Glyn D Williams
Excessive bleeding following pediatric cardiopulmonary bypass is associated with increased morbidity and mortality, both from the effects of hemorrhage and the therapies employed to achieve hemostasis. Neonates and infants are especially at risk because their coagulation systems are immature, surgeries are often complex, and cardiopulmonary bypass technologies are inappropriately matched to patient size and physiology. Consequently, these young children receive substantial amounts of adult-derived blood products to restore adequate hemostasis...
April 10, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/28389263/post-ritual-circumcision-bleeding-characteristics-and-treatment-outcome
#8
Roy Mano, Amihay Nevo, Bezalel Sivan, Roy Morag, David Ben-Meir
OBJECTIVE: To report the characteristics, treatment, and short term outcome of neonatal post-circumcision bleeding, and identify predictors of surgical treatment. METHODS: The medical records of 90 consecutive neonates who presented to the emergency room with post-circumcision bleeding between 2009 and 2014 were reviewed. Circumcisions were performed using the traditional Mogen shield device. The study endpoint was surgical intervention for hemostasis. Predictors of surgical treatment were evaluated...
April 4, 2017: Urology
https://www.readbyqxmd.com/read/28370369/independent-adjudicator-assessments-of-platelet-refractoriness-and-rfviia-efficacy-in-bleeding-episodes-and-surgeries-from-the-multinational-glanzmann-s-thrombasthenia-registry
#9
Michael Recht, Madhvi Rajpurkar, Meera Chitlur, Roseline d'Oiron, Rainer Zotz, Giovanni Di Minno, David L Cooper, Man-Chiu Poon
Glanzmann's thrombasthenia (GT) is a rare congenital bleeding disorder associated with decreased platelet aggregation due to qualitative/quantitative deficiencies of the fibrinogen receptor. Severe bleeding episodes and perioperative bleeding are typically managed with platelet transfusions, although patients can develop anti-platelet antibodies or experience clinical refractoriness. The GT Registry (GTR) was established to collect efficacy/safety data on hemostatic treatments for GT, including recombinant factor VIIa (rFVIIa)...
March 28, 2017: American Journal of Hematology
https://www.readbyqxmd.com/read/28360881/hemostasis-in-intracranial-hemorrhage
#10
REVIEW
Deepak Gulati, Dharti Dua, Michel T Torbey
Spontaneous non-traumatic intracerebral hemorrhage (ICH) is associated with high morbidity and mortality throughout the world with no proven effective treatment. Majority of hematoma expansion occur within 4 h after symptom onset and is associated with early deterioration and poor clinical outcome. There is a vital role of ultra-early hemostatic therapy in ICH to limit hematoma expansion. Patients at risk for hematoma expansion are with underlying hemostatic abnormalities. Treatment strategy should include appropriate intervention based on the history of use of antithrombotic use or an underlying coagulopathy in patients with ICH...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28359132/point-of-care-testing-in-liver-disease-and-liver-surgery
#11
Lasitha Abeysundara, Susan V Mallett, Ben Clevenger
The alterations in coagulation and hemostasis that accompany liver disease are complex, and while patients with this disease have traditionally been perceived as having a bleeding diathesis, it is now understood that in stable patients hemostasis is "re-balanced." Hepatic surgery, and particularly liver transplantation, can be associated with large fluid shifts, massive bleeding, and coagulopathy, as well as postoperative thrombosis. Point-of-care tests (POCTs) of coagulation facilitate goal-directed treatments and hemostatic monitoring in dynamic environments where the coagulation status can alter rapidly and often unpredictably...
March 30, 2017: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/28358708/improvement-of-perioperative-outcomes-in-major-gynecological-and-gynecologic-oncological-surgery-with-hemostatic-gelatin-thrombin-matrix
#12
Rafał Watrowski, Christoph Jäger, Johannes Forster
AIM: To assess the impact of the use of intraoperative hemostatic gelatin-thrombin matrix (HM) (Floseal®, Baxter Healthcare) on transfusion rates and short-term perioperative outcomes in gynecological surgery. PATIENTS AND METHODS: In this retrospective, single-center study, we evaluated data of 215 patients (83 cases and 132 controls) undergoing extensive gynecological surgery (e.g. oncological procedures) with and without intraoperative HM application. RESULTS: Cases and controls did not differ according to age, preoperative hemoglobin (Hb) concentration, and Hb or C-reactive protein (CRP) levels at discharge...
March 2017: In Vivo
https://www.readbyqxmd.com/read/28355122/the-platelets-perspective-to-pathogen-reduction-technologies
#13
Abdimajid Osman, Walter E Hitzler, Patrick Provost
A wide variety of clinical conditions, associated with low circulating platelet counts, require platelet transfusion in order to normalize hemostatic function. Although single-donor apheresis platelets bear the lowest risk of transfusion-transmitted infections, pathogen reduction technologies (PRT) are being implemented worldwide to reduce this risk further through inactivation of known, emergent and as yet to be discovered nucleic acid-based pathogens. Human blood platelets are now known to harbor a diverse transcriptome, important to their function and comprised of >5000 protein-coding messenger RNAs and different classes of non-coding RNAs, including microRNAs...
March 29, 2017: Platelets
https://www.readbyqxmd.com/read/28350974/topical-hemostasis-in-laparoscopic-surgery
#14
REVIEW
R Vecchio, R Catalano, F Basile, C Spataro, M Caputo, E Intagliata
A major goal during any surgical intervention is minimization of blood loss, which reduces the need for blood transfusion. In open surgery, the possibility for the surgeon to use the hands directly in contact with the bleeding tissues for hemostasis, makes mechanical methods, such as compression, ligatures or sutures, important to achieve proper hemostasis. In laparoscopic surgery, where the intervention is performed by means of small incisions through which the surgeon's hand cannot directly achieve the tissues, the problem of hemostasis is critical and needs more attention...
November 2016: Il Giornale di Chirurgia
https://www.readbyqxmd.com/read/28338599/volumetric-control-of-whole-blood-collection-in-austere-environments
#15
Michael A Meledeo, Andrew D Fisher, Grantham C Peltier, Ethan A Miles, William B Muse, Win B Kerr, Shawn C Nessen, Andrew P Cap
INTRODUCTION: Fresh whole blood transfusions are a powerful tool in prehospital care; however, the lack of equipment such as a scale in field situations frequently leads to collections being under- or overfilled, leading to complications for both patient and donor. This study describes two methods for simple, rapid control of collection bag volume: (1) a length of material to constrict the bag, and (2) folding/clamping the bag. METHOD: Whole blood collection bags were allowed to fill with saline via gravity...
March 23, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28333829/acute-traumatic-coagulopathy-the-elephant-in-a-room-of-blind-scientists
#16
Michael A Meledeo, Maryanne C Herzig, James A Bynum, Xiaowu Wu, Anand K Ramasubramanian, Daniel N Darlington, Kristin M Reddoch, Andrew P Cap
Acute traumatic coagulopathy (ATC) is the failure of coagulation homeostasis that can rapidly arise following traumatic injury, hemorrhage, and shock; it is associated with higher injury severity, coagulation abnormalities, and increased blood transfusions. ATC has historically been defined by a prolonged prothrombin time (PT), although newer, more informative measurements of hemostatic function have been employed to improve diagnosis and support clinical decision making. The underlying biochemical mechanisms of and best practice therapeutics for ATC remain under active investigation because of its significant correlation to poor outcomes...
March 22, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28320573/bleeding-related-complications-and-readmission-rates-associated-with-fibrin-sealant-use-in-patients-undergoing-coronary-artery-bypass-graft-surgery-in-the-united-states
#17
Yin Wan, Sangtaeck Lim, Xin Gao, Walter A Danker, Richard Kocharian, Gaurav Gangoli, Ashley P DeAnglis, James Hart
OBJECTIVES: To compare the clinical and economic outcomes of EVICEL (Ethicon, Inc., Somerville, NJ) and TISSEEL (Baxter Healthcare Corporation, Westlake Village, CA) use in patients undergoing primary coronary artery bypass graft (CABG) surgery. DESIGN: Retrospective database analysis. SETTING: Premier prospective hospital database (June 2009 through March 2014) covering approximately 20% of hospital discharges in the United States. PARTICIPANTS: Adults undergoing primary CABG surgery who received either EVICEL or TISSEEL on the day of surgery (index date)...
November 10, 2016: Journal of Cardiothoracic and Vascular Anesthesia
https://www.readbyqxmd.com/read/28319549/therapeutic-plasma-transfusion-in-bleeding-patients-a-systematic-review
#18
Jerrold H Levy, Oliver Grottke, Dietmar Fries, Sibylle Kozek-Langenecker
Plasma products, including fresh frozen plasma, are administered extensively in a variety of settings from massive transfusion to vitamin K antagonist reversal. Despite the widespread use of plasma as a hemostatic agent in bleeding patients, its effect in comparison with other available choices of hemostatic therapies is unclear. We searched the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE, PubMed Central, and databases of ongoing trials for randomized controlled trials that assessed the efficacy and/or safety of therapeutic plasma as an intervention to treat bleeding patients compared with other interventions or placebo...
April 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28302286/viscoelastic-hemostatic-assays-in-the-management-of-the-pediatric-trauma-patient
#19
Christine M Leeper, Barbara A Gaines
Viscoelastic hemostatic assays (VHA), such as TEG and ROTEM, are whole blood tests that depict functional coagulation both numerically and graphically. The development of rapid VHA technology, which allows for the first data points to result within minutes of test initiation, has increased the utility of these tests in the treatment of trauma patients. Both adult and pediatric centers have integrated VHAs into trauma resuscitation and transfusion protocols. Literature regarding the use of VHAs for injured children is limited...
February 2017: Seminars in Pediatric Surgery
https://www.readbyqxmd.com/read/28297575/selective-inhibition-of-adam17-efficiently-mediates-glycoprotein-ib%C3%AE-retention-during-ex-vivo-generation-of-human-induced-pluripotent-stem-cell-derived-platelets
#20
Shinji Hirata, Takahiko Murata, Daisuke Suzuki, Sou Nakamura, Ryoko Jono-Ohnishi, Hidenori Hirose, Akira Sawaguchi, Satoshi Nishimura, Naoshi Sugimoto, Koji Eto
Donor-independent platelet concentrates for transfusion can be produced in vitro from induced pluripotent stem cells (iPSCs). However, culture at 37°C induces ectodomain shedding on platelets of glycoprotein Ibα (GPIbα), the von Willebrand factor receptor critical for adhesive function and platelet lifetime in vivo, through temperature-dependent activation of a disintegrin and metalloproteinase 17 (ADAM17). The shedding can be suppressed by using inhibitors of panmetalloproteinases and possibly of the upstream regulator p38 mitogen-activated protein kinase (p38 MAPK), but residues of these inhibitors in the final platelet products may be accompanied by harmful risks that prevent clinical application...
March 2017: Stem Cells Translational Medicine
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