OtherAm J Med · November 2016
Patients taking direct oral anticoagulants (DOACs) who then need an emergency invasive procedure require specialized management strategies. Appropriate patient evaluation includes assessment of the current anticoagulation state, including timing of the las ...
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OtherThromb Haemost · April 2016
Many humoral and cellular components participate in bidirectional communication between the coagulation and inflammation pathways. Natural anticoagulant proteins, including antithrombin (AT), tissue factor pathway inhibitor, and protein C, suppress proinfl ...
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OtherSemin Thromb Hemost · March 2016
Recombinant activated factor VIIa (rFVIIa) is a prohemostatic agent initially approved for use in hemophilia patients with inhibitors and recently for Glanzmann thrombasthenia. Despite its approval indications, rFVIIa has also been used for a diverse range ...
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OtherAm Heart J · June 2015
This white paper provides a summary of presentations and discussions that were held at an Anticoagulant-Induced Bleeding and Reversal Agents Think Tank co-sponsored by the Cardiac Safety Research Consortium and the US Food and Drug Administration (FDA) at ...
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OtherBest Pract Res Clin Anaesthesiol · June 2015
The use of extracorporeal circulation requires anticoagulation to maintain blood fluidity throughout the circuit, and to prevent thrombotic complications. Additionally, adequate suppression of hemostatic activation avoids the unnecessary consumption of coa ...
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OtherCrit Care · April 29, 2015
Perioperative management of patients treated with the non-vitamin K antagonist oral anticoagulants is an ongoing challenge. Due to the lack of good clinical studies involving adequate monitoring and reversal therapies, management requires knowledge and und ...
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OtherTransfus Med Hemother · March 2015
In the last years it has become evident that the use of blood products should be reduced whenever possible. There is increasing evidence regarding serious adverse events, including higher mortality and morbidity, related to transfusions. The use of point o ...
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OtherBlood · February 26, 2015
Fibrinogen is a critical protein for hemostasis and clot formation. However, transfusion guidelines have variable recommendations for maintaining fibrinogen levels in bleeding patients. An increasing number of studies support the practice of fibrinogen rep ...
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OtherBr J Anaesth · December 2014
Cryoprecipitate, originally developed as a therapy for patients with antihaemophilic factor deficiency, or haemophilia A, has been in use for almost 50 yr. However, cryoprecipitate is no longer administered according to its original purpose, and is now mos ...
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OtherJACC Cardiovasc Interv · December 2014
Direct oral anticoagulants (DOACs) are approved for multiple thromboembolic disorders and provide advantages over existing agents. As with all anticoagulants, management protocols for the eventuality of bleeding are important. Randomized phase III studies ...
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OtherClin Lab Med · September 2014
New oral anticoagulants (NOACs) are increasingly replacing vitamin K antagonists and older parenteral agents in clinical practice. NOACs offer several advantages compared with standard agents, including rapid onset of action, fixed dosing, and no requireme ...
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OtherClin Lab Med · September 2014
Although the activated partial thromboplastin time, prothrombin time, and international normalized ratio are widely used in routine preoperative testing, these hemostatic tests are not reliable predictors of perioperative bleeding in patients without known ...
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OtherClin Lab Med · September 2014
Patients undergoing thoracic and cardiac procedures are at the highest risk for postoperative atrial fibrillation (POAF). POAF is associated with poor short-term and long-term outcomes, including high rates of early and late stroke, and late mortality. Pat ...
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OtherClin Lab Med · September 2014
Bleeding is a significant complication of anticoagulant therapy. With the emergence of new oral anticoagulants (NOACs; ie, direct factor IIa or Xa inhibitors), this risk is further compounded by the lack of validated reversal strategies for these agents. E ...
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OtherTransfusion · May 2014
Fibrinogen plays a critical role in achieving and maintaining hemostasis and is fundamental to effective clot formation. There is increasing awareness of the important role of fibrinogen as a key target for the treatment and prevention of acquired bleeding ...
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OtherAnesthesiology · June 2013
Managing patients in the perioperative setting receiving novel oral anticoagulation agents for thromboprophylaxis or stroke prevention with atrial fibrillation is an important consideration for clinicians. The novel oral anticoagulation agents include dire ...
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OtherLancet · May 25, 2013
Recent progress has been made in the identification and implementation of best transfusion practices on the basis of evidence-based clinical trials, published clinical practice guidelines, and process improvements for blood use and clinical patient outcome ...
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OtherTransfusion · May 2013
Factor XIII (FXIII) is activated by thrombin to form a transglutaminase (FXIIIa) that stabilizes clot formation by the cross-linking of fibrin monomers and antifibrinolytic proteins. Although rare, FXIII deficiency is characterized by variable bleeding man ...
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OtherAnesthesiol Clin · March 2013
Severe trauma is associated with bleeding, coagulopathy, and transfusion of blood and blood products, all contributing to higher rates of morbidity and mortality. The aim of this review is to focus on point-of-care devices to monitor coagulation in trauma. ...
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OtherCurr Opin Anaesthesiol · February 2013
PURPOSE OF REVIEW: Coagulopathy in an ICU setting is multifactorial, but newer anticoagulation agents are the potentially contributing causes. Critically ill patients may suffer from disorders because of surgery or trauma, in addition to acquired causes in ...
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OtherAnesth Analg · October 2012
Complement activation and the resulting inflammatory response is an important potential mechanism for multisystem organ injury in cardiac surgery. Novel therapeutic strategies using complement inhibitors may hold promise for improving outcomes for cardiac ...
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OtherSemin Thromb Hemost · April 2012
Cardiac surgical patients represent a unique group of patients where coagulopathy occurs due to multiple causes besides simple hemorrhagic blood loss. Hemodilution, inflammation, and hemostatic activation while on cardiopulmonary bypass all contribute to t ...
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OtherAnesth Analg · February 2012
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, atte ...
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OtherCurr Opin Anaesthesiol · February 2012
PURPOSE OF REVIEW: Bleeding in a perioperative setting occurs due to multiple causes, but newer anticoagulant and antiplatelet therapies are increasingly used preoperatively. As a result, patients often can present for surgery with underlying hemostatic di ...
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OtherJ Thorac Cardiovasc Surg · September 2011
Bleeding after cardiac surgery remains a significant problem, increasing both length of stay and mortality, and is caused by multiple factors including dilutional changes, ongoing fibrinolysis, and platelet dysfunction. The evaluation of coagulopathy is pr ...
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OtherAnesth Analg · January 2011
Hypercoagulability, or thrombophilia, is a condition associated with an abnormally increased tendency toward blood clotting. Affected individuals are prone to developing venous or arterial thrombosis and often require thromboprophylaxis. Hypercoagulability ...
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OtherAnesthesiology · September 2010
Patients undergoing surgery receive anticoagulation for perioperative thromboprophylaxis or ischemic cardiovascular disease. Because anticoagulants may also potentiate bleeding, clinicians need to understand the implications of anticoagulation in periopera ...
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OtherAnesth Analg · May 1, 2010
Angioedema can result from allergic, hereditary, and acquired conditions. Hereditary angioedema (HAE) attacks are disabling at the time of occurrence and can be life threatening; they often result in hospitalization and intensive care unit admission. Altho ...
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OtherAnesth Analg · February 1, 2010
A multidisciplinary panel consisting of experts chosen by the 2 chairs of the group representing experts in anesthesiology, blood banking, hematology, critical care medicine, and various surgical disciplines (trauma, cardiac, pediatric, neurologic, obstetr ...
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OtherCurr Opin Anaesthesiol · February 2010
PURPOSE OF REVIEW: Heparin-induced thrombocytopenia (HIT) is an important, increasingly recognized antibody-mediated complication of heparin therapy occurring in approximately 0.5-5% of patients receiving heparin for at least 5 days. HIT is a prothrombotic ...
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OtherAnesth Analg · May 2009
Perioperative bleeding is a major challenge particularly because of increasing clinical use of potent antithrombotic drugs. Understanding current concepts of coagulation is important in determining the preoperative bleeding risk of patients, and in managin ...
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OtherAnesthesiology · November 2008
Clinicians, including anesthesiologists, surgeons, and intensivists, are frequently called on to correct coagulopathy in patients receiving oral anticoagulation therapy. Before elective surgery, anticoagulation reversal may be undertaken over several days ...
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OtherSemin Thromb Hemost · July 2008
Surgical patients represent a unique group of patients where therapeutic approaches can be preemptively administered. Pharmacologic strategies to prevent or decrease perioperative bleeding function to attenuate inflammatory responses, reduce hemostatic act ...
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OtherAnesth Analg · February 2008
During surgery, patients are exposed to multiple foreign substances including anesthetic drugs, antibiotics, blood products, heparin, polypeptides (aprotinin, latex, and protamine), and intravascular volume expanders, which have the potential to produce li ...
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OtherSurgery · October 2007
Anticoagulant therapy is challenging to modern surgical practice because it complicates risks of bleeding and the need for allogeneic blood transfusions. In an aging population, there is extensive use of antiplatelet agents, and patients present for operat ...
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OtherAnesth Analg · September 2007
Heparins are widely used in the perioperative setting. Immune heparin-induced thrombocytopenia (HIT) is a serious, antibody-mediated complication of heparin therapy that occurs in approximately 0.5%-5% of patients treated with heparin for at least 5 days. ...
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OtherEuropean Journal of Anaesthesiology · June 1, 2007
Background and objectives: The main aim of this review is to summarize the literature with respect to the impact of anticoagulation monitoring strategies and therapeutic strategies to manage heparin resistance and optimize anticoagulation with cardiac surg ...
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OtherHematol Oncol Clin North Am · February 2007
Hemostatic abnormalities occur following injury associated with both cardiac and noncardiac surgery. These changes are part of inflammatory pathways with signaling mechanisms that link these diverse pathways. The inflammatory response to surgery is exacerb ...
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OtherHematol Oncol Clin North Am · February 2007
Heparin-induced thrombocytopenia (HIT) is a serious, yet treatable prothrombotic disease that develops in approximately 0.5% to 5% of heparin-treated patients and dramatically increases their risk of thrombosis (odds ratio, 37). The antibodies that mediate ...
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OtherHematol Oncol Clin North Am · February 2007
Thrombin is an essential serine protease for survival. Since the discovery of heparin in the early twentieth century, significant advances have been made in the understanding of thrombin structure and function in coagulation system. Endogenous anticoagulan ...
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OtherExpert Opin Investig Drugs · September 2006
Hereditary angioedema (HAE) manifests as intermittent, painful attacks of submucosal oedema affecting the larynx, gastrointestinal tract or limbs. Currently, acute treatment is available in Europe but not USA, and requires intravenous administration of a p ...
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OtherSemin Hematol · January 2006
Coagulopathy following massive transfusion is a consequence of post-traumatic and surgical hemorrhage. Bleeding following massive transfusion can occur due to hypothermia, dilutional coagulopathy, platelet dysfunction, fibrinolysis, or hypofibrinogenemia. ...
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OtherAm J Health Syst Pharm · September 15, 2005
PURPOSE: The pharmacologic management of hemostasis in patients undergoing surgery with cardiopulmonary bypass is discussed. SUMMARY: Nearly 45 studies involving 7,000 patients have reported efficacy of aprotinin in blood conservation. Both in primary coro ...
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OtherCurr Hematol Rep · September 2005
Patients undergoing cardiac surgery with and potentially without cardiopulmonary bypass (CPB) are at risk for excessive microvascular bleeding. This bleeding often leads to transfusion of allogeneic blood and blood components as well as reexploration. Exce ...
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OtherCurr Opin Anaesthesiol · February 2005
PURPOSE OF REVIEW: Severe bleeding after cardiac surgery is a potential problem that poses major risks and challenges. Severe bleeding after cardiac surgery still occurs despite many pharmacological approaches to decrease bleeding and reduce transfusion re ...
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OtherTex Heart Inst J · 2005
The major therapeutic approach to systemic and pulmonary hypertension and vasospasm in cardiac surgery patients involves the use of parenteral agents that reverse systemic vasoconstriction and produce vasodilation. Potential pharmacologic approaches includ ...
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OtherOrthopedics · June 2004
Aprotinin is a polypeptide with serine protease inhibitory activity of key enzymes associated with inflammatory, fibrinolytic, and hemostatic pathways. The drug binds directly to the fibrinolytic plasmin at the lower plasmin-inhibiting dose (plasma concent ...
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OtherOrthopedics · June 2004
Cardiac surgery and cardiopulmonary bypass produces bleeding and the need for allogenic blood product transfusions in many patients. Blood conservation is important in the perioperative management of patients. Aprotinin, a serine protease inhibitor isolate ...
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OtherExpert Opin Biol Ther · June 2003
For the treatment of substantial blood loss in surgery, allogeneic blood is transfused to maintain stability and organ perfusion and function. Continued concerns about the availability, safety, efficacy and storage-related problems of allogeneic blood prod ...
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OtherAnn Thorac Surg · February 2003
Inflammation in cardiac surgical patients is produced by complex humoral and cellular interactions with numerous pathways including activation, generation, or expression of thrombin, complement, cytokines, neutrophils, adhesion molecules, mast cells, and m ...
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OtherAnn Thorac Surg · January 2002
Phosphodiesterase inhibitors including milrinone produce positive inotropic effects by slowing the hydrolysis of cyclic adenosine monophosphate in the myocardium. With a loading dose of 50 microg/kg followed by an infusion of 0.5 microg x kg(-1) x min(-1), ...
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OtherAnesthesiol Clin North Am · December 2001
Anaphylaxis is one of the most life-threatening emergencies that can occur in the perioperative period. Multiple agents can be responsible, and nonallergic reactions can mimic anaphylaxis. Developing a therapeutic plan for the acute therapy of anaphylaxis ...
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OtherAnn Thorac Surg · November 2001
Bleeding after cardiac surgery remains a major potential problem. Numerous pharmacologic approaches to attenuating hemostatic system activation in cardiac surgery patients have been studied to further improve patient management. Therapeutic approaches stud ...
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OtherAnn Thorac Surg · August 2000
A variety of measures may affect bleeding and transfusion requirements in abciximab-treated patients. These measures include recognition of the risk factors for increased bleeding and transfusion requirements, use of proper transfusion practices, conservat ...
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OtherHeart Surg Forum · 2000
BACKGROUND: Surgical heart failure management is the fastest growing aspect of cardio-vascular surgery. Advances in cardiac surgical techniques have changed the number and types of operations permitted physicians and thus broadened the complexity of patien ...
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OtherJ Cardiothorac Vasc Anesth · August 1999
The pharmacologic management of hemostasis in patients undergoing cardiopulmonary bypass may be accompanied by adverse responses. Evaluating the safety profile of hemostatic agents (eg, lysine analogs, aprotinin, protamine, or even donor blood) should be d ...
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OtherAm J Hypertens · July 1999
A panel of clinicians from anesthesiology, surgery, nephrology, hypertension, cardiology, and pharmacology was convened to discuss pharmacologic therapeutics in the management of hypertensive crisis and perioperative hypertension. The panel discussed the a ...
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OtherAnesthesiology Clinics of North America · January 1, 1999
Perioperative hypertension during cardiac or noncardiac surgery is a unique clinical problem characterized by systemic vasoconstriction often with intravascular hypovolemia that usually requires acute short-term intravenous therapy. β-Adrenergic blockers a ...
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OtherSeminars in Anesthesia · January 1, 1998
Anaphylaxis represents one of the most life-threatening emergencies that can occur in the perioperative period. Multiple agents are potentially responsible, and nonallergic reactions can mimic anaphylaxis. Developing a therapeutic plan for the acute therap ...
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OtherJ Cardiothorac Vasc Anesth · May 1997
The inflammatory response to cardiopulmonary bypass is the product of a complex interplay of humoral and cellular components. Contact activation cascades, the complement system, and cytokines comprise the humoral elements and interact in such a way as to p ...
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OtherJ Cardiovasc Pharmacol · 1996
Inflammation is a protective response of vascularized tissue normally elicited toward nonself-determinants or tissue injury. Inflammation functions as part of normal host surveillance mechanisms to destroy or quarantine both harmful agents and damaged tiss ...
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OtherJ Cardiothorac Vasc Anesth · August 1993
Perioperative support of the patient with preexisting biventricular failure requires simultaneous optimal manipulation of heart rate and rhythm, loading conditions, and contractility. Patients with preexisting ventricular dysfunction will have alterations ...
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OtherActa Anaesthesiol Scand Suppl · 1993
Perioperative hypertension is primarily due to increased systemic vascular resistance (SVR). Therefore, the major therapeutic approaches are directed at reducing vasoconstriction, using drugs that increase cyclic nucleotides or block calcium entry into vas ...
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OtherEur J Anaesthesiol Suppl · 1992
Amrinone is the only phosphodiesterase fraction III inhibitor currently available in the USA for the treatment of perioperative biventricular failure. Patients with chronic congestive heart failure (CHF) show down-regulation of the beta 1-adrenergic recept ...
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OtherPerfusion · 1991
Anaphylactic reactions during cardiac surgery may present as acute cardiopulmonary dysfunction and require prompt and aggressive therapy. Recognition, with appropriate therapeutic intervention, is essential to prevent the life-threatening complications ass ...
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OtherJ Cardiothorac Anesth · December 1989
Amrinone is a selective inhibitor of phosphodiesterase fraction 3 in both cardiac and smooth muscle. Intravenous administration in humans produces increased contractility and vasodilation of venous capacitance and arterial conductance vessels. The eliminat ...
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OtherJ Clin Anesth · 1988
Any drug or blood product administered in the perioperative period has the potential to produce a life-threatening allergic (immune reaction) called anaphylaxis. Anaphylactic reactions represent adverse reactions mediated by immunospecific antibodies (IgE ...
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OtherSpine (Phila Pa 1976) · April 1986
Anaphylaxis is a life-threatening, immunologically mediated reaction. "Anaphylactoid" reactions produce the same clinical syndrome but are not immunologically mediated. Vasoactive mediators of these reactions include histamine, eosinophilic chemotactic fac ...
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OtherJAMA · May 11, 1984
Four patients had soft, narrow-bore feeding tubes passed transbronchially into the pleural space. Guide wires were used to aid passage and may have contributed to this complication. The errant positioning of the tube was first noted roentgenographically in ...
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