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1.
Eur J Emerg Med ; 30(5): 315-323, 2023 Oct 01.
Article in English | MEDLINE | ID: mdl-37427548

ABSTRACT

An increasing number of patients presenting to the emergency department (ED) with life-threatening bleeding are using oral anticoagulants, such as warfarin, Factor IIa and Factor Xa inhibitors. Achieving rapid and controlled haemostasis is critically important to save the patient's life. This multidisciplinary consensus paper provides a systematic and pragmatic approach to the management of anticoagulated patients with severe bleeding at the ED. Repletion and reversal management of the specific anticoagulants is described in detail. For patients on vitamin K antagonists, the administration of vitamin K and repletion of clotting factors with four-factor prothrombin complex concentrate provides real-time ability to stop the bleeding. For patients using a direct oral anticoagulant, specific antidotes are necessary to reverse the anticoagulative effect. For patients receiving the thrombin inhibitor dabigatran, treatment with idarucizamab has been demonstrated to reverse the hypocoagulable state. For patients receiving a factor Xa inhibitor (apixaban or rivaroxaban), andexanet alfa is the indicated antidote in patients with major bleeding. Lastly, specific treatment strategies are discussed in patients using anticoagulants with major traumatic bleeding, intracranial haemorrhage or gastrointestinal bleeding.


Subject(s)
Anticoagulants , Hemorrhage , Humans , Hemorrhage/chemically induced , Hemorrhage/drug therapy , Anticoagulants/adverse effects , Blood Coagulation , Rivaroxaban/adverse effects , Factor Xa Inhibitors/adverse effects , Emergency Service, Hospital , Vitamin K/therapeutic use , Administration, Oral , Recombinant Proteins/pharmacology , Recombinant Proteins/therapeutic use , Antidotes/therapeutic use , Antidotes/pharmacology
2.
Crit Pathw Cardiol ; 8(1): 29-33, 2009 Mar.
Article in English | MEDLINE | ID: mdl-19258835

ABSTRACT

Evidence-based guidelines call for advanced and definitive therapy for patients with non-ST-elevation myocardial infarction (NSTEMI). It is not known whether these guidelines are follow more diligently when patients arrive in the ED during regular hours, during which hospital resources including cardiology consultation may be more readily available. To determine whether patients with NSTEMI who present to the ED outside of usual hours have prolonged times to advanced and definitive therapy and poorer short-term outcomes.We examined NSTEMI patients from the Can Rapid Risk Stratification of Unstable Angina Patients Suppress ADverse Outcomes with Early Implementation of the ACC/AHA Guidelines (CRUSADE) national quality improvement initiative (January 2001-April 2003) and compared demographics, risk profiles, intensity of medical management, and timing and intensity of intervention by whether presentation occurred during usual or off hours. We analyzed 34,297 NSTEMI presentations; 15,090 (44%) occurred during usual hours; 19,207 (56%) occurred during off hours. Off-hours-presenting patients had generally higher cardiac risk and received initial ECGs more quickly than patients who presented during usual hours (median 15 minutes vs. 18 minutes, P < 0.0001), and received similar (although suboptimal) medical management. In contrast, those who presented during off hours were less likely to receive timely diagnostic angiography, PCI, and bypass surgery (cath: median 32.9 hours vs. 24.3 hours, P < 0.0001; PCI: 28.6 hours vs. 23.6 hours, P < 0.0001). Despite these differences, in-hospital outcomes were similar. Time of patient presentation has a modest impact on the timeliness of intervention in NSTEMI but was not associated with lower mortality. Although intensity of medical management was similar between groups, it was generally lower than current guidelines recommend, indicating potential for improvement in NSTEMI outcomes, regardless of time of presentation.


Subject(s)
Angina, Unstable/therapy , Emergency Service, Hospital/standards , Myocardial Infarction/therapy , Outcome Assessment, Health Care , Age Factors , Aged , Aged, 80 and over , Angina, Unstable/diagnosis , Angina, Unstable/mortality , Angioplasty, Balloon, Coronary/standards , Angioplasty, Balloon, Coronary/trends , Cardiac Catheterization/standards , Cardiac Catheterization/trends , Combined Modality Therapy , Coronary Artery Bypass/standards , Coronary Artery Bypass/trends , Electrocardiography , Emergency Service, Hospital/trends , Emergency Treatment/standards , Emergency Treatment/trends , Female , Follow-Up Studies , Health Care Surveys , Hospitalization/statistics & numerical data , Humans , Male , Middle Aged , Myocardial Infarction/diagnosis , Myocardial Infarction/mortality , Probability , Risk Assessment , Severity of Illness Index , Sex Factors , Survival Analysis , Time Factors , Treatment Outcome
3.
Arch Intern Med ; 167(14): 1539-44, 2007 Jul 23.
Article in English | MEDLINE | ID: mdl-17646609

ABSTRACT

BACKGROUND: The efficacy of enoxaparin sodium in non-ST-segment elevation acute coronary syndromes is well established; however, concerns remain regarding bleeding risk. The extent to which bleeding risk is attributable to excess dosing of enoxaparin is unclear. METHODS: Using data from the CRUSADE (Can Rapid Risk Stratification of Unstable Angina Patients Suppress Adverse Outcomes With Early Implementation of the ACC/AHA Guidelines) National Quality Improvement Initiative, we determined the frequency of administration of excess (>10 mg above the recommended dose), lower-than-recommended (>10 mg below the recommended dose), and recommended doses of enoxaparin. We also determined unadjusted and adjusted risks of in-hospital major bleeding and death associated with excess and lower-than-recommended doses of enoxaparin. RESULTS: Of 10 687 patients, 2002 (18.7%) received an excess dose and 3116 (29.2%) received a lower-than-recommended dose of enoxaparin. Patients receiving excess doses were older (median age, 78 vs 66 years), smaller (median body mass index [calculated as weight in kilograms divided by height in meters squared], 26.2 vs 27.8), and more likely to be female (59.5% vs 38.2%) than patients receiving recommended doses (P < .001 for all). After adjustment for baseline characteristics, an excess dose was significantly associated with major bleeding (odds ratio, 1.43; 95% confidence interval [CI], 1.18-1.75) and death (odds ratio, 1.35; 95% CI, 1.03-1.77) compared with a recommended dose. A lower-than-recommended dose was not associated with major bleeding (odds ratio, 1.01; 95% CI, 0.84-1.21), but there was a trend toward higher mortality (odds ratio, 1.25; 95% CI, 0.93-1.68). CONCLUSIONS: Almost half the patients treated with enoxaparin did not receive a recommended dose and had worse outcomes, especially those receiving an excess dose. Improved adherence to the recommended dose could substantially improve the safety profile of enoxaparin.


Subject(s)
Coronary Disease/drug therapy , Enoxaparin/administration & dosage , Fibrinolytic Agents/administration & dosage , Hemorrhage/chemically induced , Aged , Coronary Disease/mortality , Coronary Disease/physiopathology , Electrocardiography , Enoxaparin/adverse effects , Female , Fibrinolytic Agents/adverse effects , Hospitalization , Humans , Male , Mortality
4.
Congest Heart Fail ; 13(3): 142-8, 2007.
Article in English | MEDLINE | ID: mdl-17541309

ABSTRACT

The significance of a history of heart failure (HF) in patients presenting with acute coronary syndromes and elevated cardiac markers is unclear. The authors performed an analysis of patients enrolled in the Internet Tracking Registry of Acute Coronary Syndromes (i*trACS). Cardiac marker measurement and cardiac catheterization were performed in 1174 patients. Of these, 116 (9.9%) had heart failure (HF). Coronary artery disease (CAD) was found in 61 (52.6%) patients in the HF group and 581 (54.9%) in the group without HF. In the non-HF cohort, positive markers occurred in 306 patients, in whom 217 (70.9%) had CAD at catheterization. In the HF subset, 24 patients had positive biomarkers and 15 (62.5%) had CAD. A history of HF did not lessen the likelihood of CAD as evidenced by angiography and does not diminish the utility of cardiac markers in diagnosing acute coronary syndromes.


Subject(s)
Angina Pectoris/blood , Coronary Artery Disease/blood , Creatine Kinase, MB Form/blood , Heart Failure/blood , Troponin I/blood , Troponin T/blood , Aged , Biomarkers/blood , Cardiac Catheterization , Case-Control Studies , Coronary Stenosis/blood , Female , Humans , Internet , Male , Middle Aged , Predictive Value of Tests , Registries , Research Design
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