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aminocaproic acid

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https://www.readbyqxmd.com/read/27895370/lower-red-cell-transfusion-rates-with-use-of-tranexamic-acid-in-single-stage-bilateral-total-knee-arthroplasty-a-retrospective-audit
#1
Muhammad Aziz, Salman Bin Mahmood, Riaz Hussain Lakdawala, Tashfeen Ahmad
Bilateral total knee arthroplasty (BTKA) patients may require blood transfusion which has its risks. Anti-fibrinolytic drugs such as aprotinin, aminocaproic acid and tranexamic acid (TXA) have reduced transfusion requirements in major surgery. This retrospective audit was performed to assess effectiveness of TXA in reducing blood transfusion rate in single-stage sequential BTKA cases operated by a single surgeon. Records of 91 patients given TXA and 80 controls who were operated before 2012 and not given TXA were reviewed...
October 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/27871586/comparative-effectiveness-of-epsilon-aminocaproic-acid-and-tranexamic-acid-on-postoperative-bleeding-following-cardiac-surgery-during-a-national-medication-shortage
#2
Kevin P Blaine, Christopher Press, Ken Lau, Jan Sliwa, Vidya K Rao, Charles Hill
STUDY OBJECTIVE: The aim of this study was to compare the effectiveness of epsilon-aminocaproic acid (εACA) and tranexamic acid (TXA) in contemporary clinical practice during a national medication shortage. DESIGN: A retrospective cohort study. SETTING: The study was performed in all consecutive cardiac surgery patients (n=128) admitted to the cardiac-surgical intensive care unit after surgery at a single academic center immediately before and during a national medication shortage...
December 2016: Journal of Clinical Anesthesia
https://www.readbyqxmd.com/read/27858576/letter-to-the-editor-short-term-%C3%AE%C2%B5-aminocaproic-acid-treatment-and-endovascular-coil-embolization
#3
René Post, Bert A Coert, W Peter Vandertop, Dagmar Verbaan, Menno R Germans
No abstract text is available yet for this article.
November 18, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27815558/in-vitro-effects-of-an-extracorporeal-membrane-oxygenation-circuit-on-the-sequestration-of-%C3%AF%C2%B5-aminocaproic-acid
#4
Deborah Wagner, Miguel Caraballo, John Waldvogel, Yuki Peterson, Duxin Sun
OBJECTIVE: To assess the in vitro effects of drug sequestration in extracorporeal membrane oxygenation (ECMO) on ϵ-aminocaproic acid (EACA) concentrations. METHODS AND DESIGN: This in vitro study will determine changes in EACA concentration over time in ECMO circuits. A pediatric dose of 2,500 mg was administered to whole expired blood in the simulated pediatric ECMO circuit. Blood samples were collected at 0, 30, 60, 360 and 1440-minute intervals after initial administration equilibration from three different sites of the circuit: pre-oxygenator (PRE), post-oxygenator (POST) and PVC tubing (PVC) to determine the predominant site of drug loss...
November 3, 2016: Perfusion
https://www.readbyqxmd.com/read/27805439/effect-of-aminocaproic-acid-on-clot-strength-and-clot-lysis-of-canine-blood-determined-by-use-of-an-in-vitro-model-of-hyperfibrinolysis
#5
Jamie C Brown, Benjamin M Brainard, Daniel J Fletcher, Ben Nie, Robert D Arnold, Chad W Schmiedt
OBJECTIVE To determine pharmacodynamic and pharmacokinetic profiles of aminocaproic acid (ACA) by use of a thromboelastography (TEG)-based in vitro model of hyperfibrinolysis and high-performance liquid chromatography-mass spectrometry. ANIMALS 5 healthy adult dogs. PROCEDURES A single dose of injectable ACA (20, 50, or 100 mg/kg) or an ACA tablet (approximately 100 mg/kg) was administered orally. Blood samples were collected at 0, 15, 30, 45, 60, 90, 120, and 240 minutes after ACA administration for pharmacokinetic analysis...
November 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27803823/massive-bleeding-as-the-first-clinical-manifestation-of-metastatic-prostate-cancer-due-to-disseminated-intravascular-coagulation-with-enhanced-fibrinolysis
#6
Mónica Palma Anselmo, Gustavo Nobre de Jesus, João Madeira Lopes, Rui M M Victorino, João Meneses Santos
Disseminated intravascular coagulation (DIC) is the most frequent coagulation disorder associated with metastatic prostate adenocarcinoma. However, DIC with enhanced fibrinolysis as an initial presentation of prostate cancer is extremely rare. The appropriate treatment to control bleeding in these situations is challenging, controversial, and based on isolated case reports in the literature. A 66-year-old male presented at the emergency department with acute severe spontaneous ecchymoses localized to the limbs, laterocervical hematoma, and hemothorax...
2016: Case Reports in Hematology
https://www.readbyqxmd.com/read/27749350/spine-surgery-and-blood-loss-systematic-review-of-clinical-evidence
#7
Dafna Willner, Valeria Spennati, Shelly Stohl, Giulia Tosti, Simone Aloisio, Federico Bilotta
Spine surgery has been growing rapidly as a neurosurgical operation, with an increase of 220% over a 15-year period. Intraoperative blood transfusion is a major outcome determinant of spine procedures. Various approaches, including pharmacologic and nonpharmacologic therapies, have been tested to decrease both intraoperative and postoperative blood loss. The aim of this systematic review is to report clinical evidence on the relationship between intraoperative blood loss (primary outcome) and on transfusion requirements and postoperative complications (secondary outcomes) in patients undergoing spine surgery...
November 2016: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/27699724/comparing-%C3%AE%C2%B5-aminocaproic-acid-and-tranexamic-acid-in-reducing-postoperative-transfusions-in-total-knee-arthroplasty
#8
Jessica L Churchill, Kathleen E Puca, Elizabeth Meyer, Matthew Carleton, Michael J Anderson
Multiple studies have shown tranexamic acid (TXA) to reduce blood loss and transfusion rates in patients undergoing total knee arthroplasty (TKA). Accordingly, TXA has become a routine blood conservation agent for TKA. In contrast, ε-aminocaproic acid (EACA), a similar acting antifibrinolytic to TXA, has been less frequently used. This study evaluated whether EACA is as efficacious as TXA in reducing postoperative blood transfusion rates and compared the cost per surgery between agents. A multicenter retrospective chart review of elective unilateral TKA from April 2012 through December 2014 was performed...
October 3, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27677178/plasmin-a-modulator-of-immune-function
#9
Dominik F Draxler, Maithili Sashindranath, Robert L Medcalf
Plasmin is the effector protease of the fibrinolytic system, well known for its involvement in fibrin degradation and clot removal. However, plasmin is also recognized as a potent modulator of immunological processes by directly interacting with various cell types including leukocytes (monocytes, macrophages, and dendritic cells) and cells of the vasculature (endothelial cells, smooth muscle cells) as well as soluble factors of the immune system and components of the extracellular matrix. In fact, the removal of misfolded proteins and maintenance of tissue homeostasis seem to be major physiological functions of plasmin...
September 27, 2016: Seminars in Thrombosis and Hemostasis
https://www.readbyqxmd.com/read/27671279/efficacy-of-antifibrinolytic-agents-on-surgical-bleeding-and-transfusion-requirements-in-spine-surgery-a-meta-analysis
#10
Guang Li, Tian-Wei Sun, Gan Luo, Chao Zhang
PURPOSE: Spine surgery is usually associated with large amount of blood loss and blood transfusion. Excessive blood loss may cause hypotension, inadequate oxygenation of organs, necessitate allogeneic blood transfusion, and spinal epidural hematoma formation. Aprotinin, TXA, and EACA are antifibrinolytics currently offered as prophylactic agents to reduce surgery-associated blood loss. The purpose of this study was to assess the efficacy of using antifibrinolytic agents in reducing blood loss and blood transfusions in spine surgery...
September 26, 2016: European Spine Journal
https://www.readbyqxmd.com/read/27669112/use-of-yunnan-baiyao-and-epsilon-aminocaproic-acid-in-dogs-with-right-atrial-masses-and-pericardial-effusion
#11
Lisa A Murphy, Cynthia M Panek, Domenico Bianco, Reid K Nakamura
OBJECTIVE: To describe the utility of Yunnan Baiyao (YB) alone or in combination with epsilon aminocaproic acid (EAC) for the treatment of dogs with echocardiographically identified right atrial (RA) masses and pericardial effusion (PE). DESIGN: Retrospective case-controlled study. SETTING: Two private practice referral hospitals. ANIMALS: Client-owned dogs with RA masses and PE identified echocardiographically over a 3-year period...
September 26, 2016: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/27650431/alternatives-to-allogeneic-platelet-transfusion
#12
REVIEW
Michael J R Desborough, Peter A Smethurst, Lise J Estcourt, Simon J Stanworth
Allogeneic platelet transfusions are widely used for the prevention and treatment of bleeding in thrombocytopenia. Recent evidence suggests platelet transfusions have limited efficacy and are associated with uncertain immunomodulatory risks and concerns about viral or bacterial transmission. Alternatives to transfusion are a well-recognised tenet of Patient Blood Management, but there has been less focus on different strategies to reduce bleeding risk by comparison to platelet transfusion. Direct alternatives to platelet transfusion include agents to stimulate endogenous platelet production (thrombopoietin mimetics), optimising platelet adhesion to endothelium by treating anaemia or increasing von Willebrand factor levels (desmopressin), increasing formation of cross-linked fibrinogen (activated recombinant factor VII, fibrinogen concentrate or recombinant factor XIII), decreasing fibrinolysis (tranexamic acid or epsilon aminocaproic acid) or using artificial or modified platelets (cryopreserved platelets, lyophilised platelets, haemostatic particles, liposomes, engineered nanoparticles or infusible platelet membranes)...
November 2016: British Journal of Haematology
https://www.readbyqxmd.com/read/27643712/antifibrinolytic-agents-for-reducing-blood-loss-in-scoliosis-surgery-in-children
#13
Ewan D McNicol, Aikaterini Tzortzopoulou, Roman Schumann, Daniel B Carr, Aman Kalra
BACKGROUND: This is an updated version of the original Cochrane review first published in 2008. Scoliosis surgery is often associated with substantial blood loss and potentially detrimental effects in children. Antifibrinolytic agents are often used to reduce perioperative blood loss. Clinical trials have evaluated their efficacy in children undergoing surgical correction of scoliosis, but no systematic review has been published. This review was first published in 2008 and was updated in 2016...
September 19, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27641950/identification-of-a-novel-mutation-in-hps6-in-a-patient-with-hemophilia-b-and-oculocutaneous-albinism
#14
Kevin J O'Brien, Jay Lozier, Andrew R Cullinane, Brigitte Osorio, Khanh Nghiem, Vladislav Speransky, Wadih M Zein, James C Mullikin, Anne T Neff, Karen L Simon, May Christine V Malicdan, William A Gahl, Lisa R Young, Bernadette R Gochuico
PURPOSE: Hemophilia B, an X-linked disease, manifests with recurrent soft tissue bleeding episodes. Hermansky-Pudlak syndrome, a rare autosomal recessive disorder, is characterized by oculocutaneous albinism and an increased tendency to bleed due to a platelet storage pool defect. We report a novel mutation in HPS6 in a Caucasian man with hemophilia B and oculocutaneous albinism. RESULTS: The patient was diagnosed with hemophilia B at age 4months due to recurrent soft tissue bleeding episodes, and he was also diagnosed with Hermansky-Pudlak syndrome at 32years of age due to unexplained oculocutaneous albinism...
November 2016: Molecular Genetics and Metabolism
https://www.readbyqxmd.com/read/27591111/plasminogen-coating-increases-initial-adhesion-of-oral-bacteria-in%C3%A2-vitro
#15
Bertil Kinnby, Luis E Chávez de Paz
Plasminogen is a major plasma protein and the zymogen of the broad spectrum protease plasmin. Plasmin activity leads to tissue degradation, direct and through activation of metalloproteinases. Infected tooth root canals, as a consequence of the inflammatory response and eventual necrosis, contain tissue fluid and blood components. These will coat the root canal walls and act as conditioning films that allow bacterial biofilms to grow and be a potential source of hematogenously spreading bacteria. We investigated the effect of in vitro surface conditioning with human plasminogen on the initial adhesion of bacteria...
August 30, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27552460/using-aminocaproic-acid-to-reduce-blood-loss-after-primary-unilateral-total-knee-arthroplasty
#16
Jessica L Churchill, Victor A Toney, Susan Truchan, Michael J Anderson
xtensive blood loss after total knee arthroplasty (TKA) is common, and affected patients often require blood transfusions. Studies suggest that antifibrinolytic agents such as aminocaproic acid (ACA) reduce blood loss and blood transfusion rates in patients undergoing TKA. We conducted a study to evaluate whether a single intravenous 10-g dose of ACA given during primary unilateral TKA would decrease perioperative blood loss, raise postoperative hemoglobin levels, and reduce postoperative blood transfusion rates...
July 2016: American Journal of Orthopedics
https://www.readbyqxmd.com/read/27488131/penicillin-binding-protein-3-of-staphylococcus-aureus-nctc-8325-4-binds-and-activates-human-plasminogen
#17
Riikka Kylväjä, Tuomas Ojalehto, Veera Kainulainen, Ritva Virkola, Benita Westerlund-Wikström
BACKGROUND: Staphylococcus aureus is a versatile pathogen expressing a number of virulence-associated adhesive molecules. In a previous study, we generated in a secretion-competent Escherichia coli strain a library of random FLAG-tag positive (FTP) polypeptides of S. aureus. To identify adhesive proteins and gain additional knowledge on putative virulence factors of S. aureus, we here screened the FTP library against human serum proteins. FINDINGS: Staphylococcus aureus NCTC 8325-4, origin of the FTP library, adhered to immobilized plasminogen in vitro...
2016: BMC Research Notes
https://www.readbyqxmd.com/read/27468014/pharmacokinetic-study-of-oral-%C3%AE%C2%B5-aminocaproic-acid-in-the-northern-elephant-seal-mirounga-angustirostris
#18
Sarrah Kaye, Shawn Johnson, Robert D Arnold, Ben Nie, Joshua T Davis, Frances Gulland, Noha Abou-Madi, Daniel J Fletcher
ε-Aminocaproic acid (EACA) is a lysine analogue antifibrinolytic drug used to treat bleeding disorders in humans and domestic animals. Its use in zoological medicine is rare, and dosage is anecdotal. One possible application of EACA is to treat bleeding associated with prepatent Otostrongylus arteritis in Northern elephant seals ( Mirounga angustirostris ) presenting to wildlife rehabilitation centers. This study used an in vitro model of hyperfibrinolysis and a thromboelastograph-based assay to estimate the therapeutic plasma concentration of EACA in elephant seals (85 μg/ml, 95% confidence interval = 73...
June 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/27468009/effect-of-%C3%AE%C2%B5-aminocaproic-acid-on-fibrinolysis-in-plasma-of-asian-elephants-elephas-maximus
#19
Sarrah Kaye, Noha Abou-Madi, Daniel J Fletcher
ε-Aminocaproic acid (EACA) is a lysine analogue antifibrinolytic drug used to treat bleeding disorders in humans and domestic animals. Use in zoological medicine is rare and dose recommendations are anecdotal, but EACA may be a valuable therapeutic option for bleeding disorders in exotic species, including Asian elephants ( Elephas maximus ). This study used an in vitro model of hyperfibrinolysis and a thromboelastograph-based assay to estimate the therapeutic plasma concentration of EACA in Asian elephants (61...
June 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/27398796/effect-of-antifibrinolytic-therapy-on-complications-thromboembolic-events-blood-product-utilization-and-fusion-in-adult-spinal-deformity-surgery
#20
Alex Soroceanu, Jonathan H Oren, Justin S Smith, Richard Hostin, Christopher I Shaffrey, Gregory M Mundis, Christopher P Ames, Douglas C Burton, Shay Bess, Munish C Gupta, Vedat Deviren, Frank J Schwab, Virginie Lafage, Thomas J Errico
STUDY DESIGN: A multicenter, prospective, consecutive database of surgical patients with adult spinal deformity (ASD). OBJECTIVE: This study investigated the use of antifibrinolytic (AF) therapy in ASD surgery. SUMMARY OF BACKGROUND DATA: AF therapy has been shown to be effective in preventing blood loss in some settings. Its effect on major and minor perioperative complications, blood product utilization, vascular events, and postoperative fusion in patients undergoing ASD surgery remains unclear...
July 15, 2016: Spine
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