Dabigatran versus Warfarin for Acute Venous Thromboembolism in Elderly or Impaired Renal Function Patients: Pooled Analysis of RE-COVER and RE-COVER II

2017 ◽  
Vol 117 (11) ◽  
pp. 2045-2052 ◽  
Author(s):  
Samuel Goldhaber ◽  
Sam Schulman ◽  
Henry Eriksson ◽  
Martin Feuring ◽  
Mandy Fraessdorf ◽  
...  
Keyword(s):  
Renal Function ◽  
Venous Thromboembolism ◽  
Elderly Patients ◽  
Major Bleeding ◽  
Normal Renal Function ◽  
Bleeding Risk ◽  
Apparent Difference ◽  
Bleeding Events ◽  
Major Bleeding Events ◽  
Acute Venous Thromboembolism

AbstractManagement of acute venous thromboembolism (VTE) with anticoagulants in elderly patients and those with chronic kidney disease poses special challenges. The RE-COVER and RE-COVER II trials showed that dabigatran 150 mg twice daily was as effective as warfarin over 6 months in preventing recurrent VTE, with a lower bleeding risk. We now assess the effects of old age and renal impairment (RI) on pooled trial outcomes in 5,107 patients: 4,504 aged <75 years and 603 aged ≥75 years. The primary efficacy outcome was symptomatic VTE/VTE-related death. Safety outcomes were centrally adjudicated major bleeding events (MBEs), MBEs or clinically relevant non-major bleeding events (MBEs/CRBEs) and any bleeds. Baseline renal function was categorized as normal, mild RI or moderate RI. A total of 3,698 had normal renal function and 1,100 and 237 had mild and moderate RI, respectively (23 patients with severe RI and 49 with missing creatinine clearance data were not included). For dabigatran, VTE/VTE-related death decreased from 3.1% (normal renal function) to 1.9% for mild RI and to 0.0% for moderate RI. For warfarin, the event rates were 2.6, 1.6 and 4.1%, respectively. Overall, major bleeding increased with increasing RI (p = 0.0037) and with age (p = 0.4350), with no apparent difference between the dabigatran and warfarin patients. Dabigatran shows better efficacy than warfarin in RI and in the elderly patients, probably because of an increase in the concentration of dabigatran. However, bleeding risk increases with both dabigatran and warfarin in the presence of RI.

scholarly journals Risk of major bleeding during extended oral anticoagulation in patients with first unprovoked venous thromboembolism: a systematic review and meta-analysis protocol

2019 ◽  
Vol 8 (1) ◽  
Author(s):  
Faizan Khan ◽  
Miriam Kimpton ◽  
Tobias Tritschler ◽  
Grégoire Le Gal ◽  
Brian Hutton ◽  
...  
Keyword(s):  
Systematic Review ◽  
Venous Thromboembolism ◽  
Anticoagulant Therapy ◽  
Major Bleeding ◽  
Oral Anticoagulation ◽  
Meta Analysis ◽  
Controlled Trials ◽  
Bleeding Events ◽  
Major Bleeding Events

Abstract Background The optimal duration of anticoagulation after a first unprovoked venous thromboembolism (VTE) remains controversial. Deciding to stop or continue anticoagulant therapy indefinitely after completing 3 to 6 months of initial treatment requires balancing the long-term risk of recurrent VTE if anticoagulation is stopped against the long-term risk of major bleeding if anticoagulation is continued. However, knowledge of the long-term risk for major bleeding events during extended anticoagulation in this patient population is limited. We plan to conduct a systematic review and meta-analysis to quantify the risk for major bleeding events during extended oral anticoagulation in patients with first unprovoked VTE. Methods Electronic databases including MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials will be systematically searched with the assistance of an information specialist (from inception to March 1, 2019) to identify randomized controlled trials and prospective cohort studies reporting major bleeding during extended oral anticoagulation in patients with first unprovoked VTE, who have completed at least 3 months of initial anticoagulant therapy. Study selection, risk of bias assessment, and data extraction will be performed independently by at least two investigators. The number of major bleeding events and person-years of follow-up will be used to calculate the rate (events per 100 person-years) with its 95% confidence interval for each study cohort, during clinically relevant time periods of extended anticoagulant therapy. Results will be pooled using random effect meta-analysis. Discussion The planned systematic review and meta-analysis will provide reliable estimates of the risk for major bleeding events during extended anticoagulation. This information will help inform patient prognosis and assist clinicians with balancing the risks and benefits of treatment to guide management of unprovoked VTE. Systematic review registration PROSPERO CRD42019128597.

Societal costs of venous thromboembolism and subsequent major bleeding events: a national register-based study

2019 ◽  
Vol 6 (2) ◽  
pp. 130-137
Author(s):  
Nina Gustafsson ◽  
Peter Bo Poulsen ◽  
Sandra Elkjær Stallknecht ◽  
Lars Dybro ◽  
Søren Paaske Johnsen
Keyword(s):  
Venous Thromboembolism ◽  
Major Bleeding ◽  
Home Care Services ◽  
Care Hospital ◽  
Bleeding Events ◽  
Societal Costs ◽  
Vein Thrombosis ◽  
Primary Care Hospital ◽  
Major Bleeding Events ◽  
The Impact

Abstract Aims Detailed evidence on the societal costs of venous thromboembolism (VTE), i.e. deep vein thrombosis (DVT) and pulmonary embolism (PE), and of subsequent major bleeding events, e.g. intracranial and gastrointestinal bleedings, is limited. The objective was to estimate the average 3-year societal event costs attributable to VTE and subsequent major bleedings in Denmark. Methods and results Based on nationwide Danish registers, each incident patient diagnosed with VTE in the period from 2004 to 2016 was identified and matched with four non-VTE patients by nearest-neighbour propensity score matching. For bleeding patients, the reference cohort was VTE patients without bleedings. Event costs in terms of VTE, DVT, PE, and major bleedings in VTE patients were measured by the ‘difference-in-actual-cost’ method within 3 years after the incidence. Societal costs included healthcare costs (primary care, hospital, and prescription medicine), municipality home care services, and production loss. The study population included 74 137 VTE incident patients (DVT: 43 099; PE: 31 038), and 4887 VTE patients with a major bleeding within 3 years from VTE diagnosis. The 3-year attributable societal VTE event costs were 40 024 EUR (DVT: 34 509 EUR; PE: 50 083 EUR) with 53% of these costs appearing in the first incident year. Similar results for major bleedings were 51 168 EUR with 46% of these costs appearing in the first incident year. Conclusion The societal costs of VTE and subsequent major bleedings are substantial and ought to be considered. Estimated costs of events may be informative in evaluating the impact of preventive interventions targeting VTE and subsequent major bleedings.

P4742Evaluation of the HAS-BLED, ATRIA and ORBIT bleeding risk scores in newly diagnosed non-valvular atrial fibrillation

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
L Bergamaschi ◽  
A Stefanizzi ◽  
M Coriano ◽  
P Paolisso ◽  
I Magnani ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Major Bleeding ◽  
Independent Predictor ◽  
Bleeding Risk ◽  
Risk Scores ◽  
Newly Diagnosed ◽  
Bleeding Events ◽  
Hemorrhagic Events ◽  
Major Bleeding Events

Abstract Background Several risk scores have been proposed to assess the bleeding risk in patients with Atrial Fibrillation. Purpose To compare the efficacy of HAS-BLED, ATRIA and ORBIT scores to predict major bleedings in newly diagnosed non-valvular AF (NV-AF) treated with vitamin K antagonists (VKAs) or new oral anticoagulants (NOACs). Methods We analyzed all consecutive patients with AF at our outpatient clinic from January to December 2017. Only those with new diagnosed NV-AF starting new anticoagulant therapy were enrolled. Major hemorrhagic events were defined according to the ISTH definition in non-surgical patients. Results Out of the 820 patients admitted with AF, 305 were newly diagnosed with NV-AF starting oral anticoagulation. Overall, 51.3% were male with a mean age of 72.6±13.7 years. Thirty-six patients (11.8%) started VKAs whereas 269 (88.2%) patients were treated with NOACs. The median follow-up time was 10.4±3.4 months. During follow-up, 123 (32.2%) bleeding events were recorded, 21 (17,1%) in the VKA group and 102 (82,9%) in the NOAC group. Eleven (2.9%) major bleeding events occurred: 5 (45.5%) in the VKA group and 6 (54.5%) in the NOAC group. Overall, patients with major hemorrhagic events showed a mean value of the scores significantly higher when compared to patients without such bleeding complications (HASBLED 3.4 vs 2.4 p=0.007; ATRIA 5.6 vs 2.4 p<0.001; ORBIT 3.6 vs 1.8 p<0,001). Conversely, when analyzing the VKA subgroup, only the ATRIA score was significantly higher in patients with major adverse events (7.4 vs 3.5 p<0.001; HAS-BLED: 4.4 vs 3.6 p=0.27; ORBIT 4.4 vs 2.9 p=0.13). An ATRIA score ≥4 identified patients at high risk of bleeding (29.4% vs. 0% events. respectively, p=0.04). In the NOAC group, patients with major bleeding events had higher mean values of ATRIA (4.0 vs 2.3 p=0.02) and ORBIT (2.8 vs 1.6 p=0,04) but not the HAS-BLED (2.5 vs 2.3 p=0.57) scores. Similarly, patients on NOACs with an ATRIA score ≥4 had higher rates of major bleedings (8.1% vs. 1.6% p=0,02). Comparing the single elements of the ATRIA score, only glomerular filtration rate <30 ml/min/1.73 mq was associated with major bleedings in the VKA group (p<0.001) whereas, in the NOAC group, anemia was strongly associated with bleeding events (p=0,02). In fact, multivariate analysis in the NOAC group showed that hemoglobin level at admission was an independent predictor for major bleeding events (OR 0.41, 95% CI 0.23–0.75, P=0.003). Conversely, in the VKA group, baseline creatinine level was an independent predictor for these events (OR 12.76, 95% CI 1.6–101.7, P=0.016). Conclusions The ATRIA score showed the best efficacy in predicting major bleeding events. Hemoglobin and creatinine levels at admission were independent predictors for major hemorrhagic events in the NOAC and in the VKA groups, respectively. The latter finding might be helpful in stratifying the hemorrhagic risk at the beginning of treatment.

Primary Venous Thromboembolism Prophylaxis in Patients with Solid Tumors Receiving Chemotherapy: A Meta-Analysis

Blood ◽  
2012 ◽  
Vol 120 (21) ◽  
pp. 1157-1157
Author(s):  
Minh Phan ◽  
Sonia John ◽  
Ana Isabel Casanegra ◽  
Alfonso Tafur
Keyword(s):  
Venous Thromboembolism ◽  
Solid Tumors ◽  
Major Bleeding ◽  
Meta Analysis ◽  
Mortality Data ◽  
Significant Heterogeneity ◽  
Bleeding Events ◽  
Vte Prophylaxis ◽  
Major Bleeding Events ◽  
Pharmacological Thromboprophylaxis

Abstract Abstract 1157 Background: Venous thromboembolism [VTE] is the second highest cause of mortality among patients with cancer. However, pharmacological thromboprophylaxis for patients with solid tumor is only recommended during hospitalization. Primary outpatient thromboprophylaxis is not a widely accepted practice. Objective: Determine safety and efficacy of outpatient primary VTE prophylaxis in patients with solid tumors. Data sources: A systematic review was conducted using MEDLINE and EMBASE up to June 2012. Key search words included venous thromboembolism, malignancy, anticoagulants, and chemotherapy. Studies were considered for our meta-analysis if they included outpatient primary pharmacological thromboprophylaxis in adult patients with active solid cancer. All the information was independently reviewed by 2 of the authors [MP, SJ] and a third reviewer resolved discrepancies. The measure of association was calculated with R (R: A Language and Environment for Statistical, R Development Core Team, www.R-project.org), R META package (Version 0.8–2, Author: Guido Schwarzer). The Q statistic was calculated and a formal test of homogeneity was conducted. Random-effects model was preferred in case of heterogeneity. Results: A total of 1371 abstracts were reviewed and 29 manuscripts were fully abstracted. Eight randomized controlled trials including 6706 patients were analyzed. There were less VTE events with outpatient prophylaxis: odds ratio [OR] of 0.53 (95% CI, 0.40–0.70). Six studies used low or ultra-low molecular weight heparin and two studies used warfarin. In the subgroup analysis of heparin based primary prophylaxis, there was a significant reduction in VTE events [OR 0.47, 95% CI, 0.34–0.64], no significant heterogeneity [FIG 1]. In addition, there was no difference in major bleeding events between groups [OR 1.48, 95% CI, 0.89–2.46]. Five studies reported mortality data; there was significant heterogeneity between studies. Conclusions: Heparin based outpatient VTE prophylaxis in patients with solid tumors reduced by half the risk of VTE with no significant differences in major bleeding events. The current publications do not allow a meaningful grouped analysis of survival data, improved patient selection is necessary in order to adequately target VTE prevention strategies. Disclosures: No relevant conflicts of interest to declare.

Calculation of HAS-BLED Score Is Useful for Early Identification of Venous Thromboembolism Patients at High Risk for Major Bleeding Events: A Prospective Outpatients Cohort Study

2017 ◽  
Vol 44 (04) ◽  
pp. 348-352 ◽  
Author(s):  
Reinhard Raggam ◽  
Franz Hafner ◽  
Alexander Avian ◽  
Gerald Hackl ◽  
Gerhard Cvirn ◽  
...  
Keyword(s):  
Venous Thromboembolism ◽  
Major Bleeding ◽  
Odds Ratio ◽  
Bleeding Complications ◽  
Minor Bleeding ◽  
Prospective Evaluation ◽  
Bleeding Events ◽  
Increased Risk ◽  
Major Bleeding Events

AbstractThe aim of this study was prospective evaluation of the performance of the HAS-BLED score in predicting major bleeding complications in a real-world outpatient cohort, during long-term anticoagulation for venous thromboembolism (VTE), treated with a broad spectrum of anticoagulants. We analyzed 111 outpatients objectively diagnosed with VTE and treated long-term with various anticoagulants. Patients were grouped in three cohorts based on the anticoagulant regimen. Calculation of the HAS-BLED score and documentation of bleeding events were performed every 6 months for 1 year. Patients with a HAS-BLED score ≥ 3 had an increased risk for major bleeding events (odds ratio [OR]: 13.05, 95% confidence interval [CI]: 0.96–692.58, p = 0.028) and a trend to higher risk for minor bleeding events as well (OR: 2.25, 95% CI: 0.87–5.85, p = 0.091) when compared with patients with a HAS-BLED score < 3.This indicates that a HAS-BLED score ≥ 3 allows for identification of patients with VTE on long-term anticoagulation at an increased risk for major bleeding events, irrespective of the anticoagulant agent used.

Racial Differences in Ischaemia/Bleeding Risk Trade-Off during Anti-Platelet Therapy: Individual Patient Level Landmark Meta-Analysis from Seven RCTs

2018 ◽  
Vol 119 (01) ◽  
pp. 149-162 ◽  
Author(s):  
Jeehoon Kang ◽  
Kyung Park ◽  
Tullio Palmerini ◽  
Gregg Stone ◽  
Michael Lee ◽  
...  
Keyword(s):  
Major Bleeding ◽  
Meta Analysis ◽  
Bleeding Risk ◽  
Bleeding Events ◽  
East Asians ◽  
Trade Off ◽  
Individual Patient Level ◽  
Patient Level ◽  
Anti Platelet Therapy ◽  
Major Bleeding Events

Background Prolonged dual anti-platelet therapy (DAPT) is intended to reduce ischaemic events, at the cost of an increased bleeding risk in patients undergoing percutaneous coronary intervention (PCI). In this study, we evaluated whether race influences the ischaemia/bleeding risk trade-off. Methods We searched for randomized clinical trials (RCTs) comparing DAPT duration after PCI. To compare the benefit or harm between DAPT duration by race, individual patient-level landmark meta-analysis was performed after discontinuation of the shorter duration DAPT group in each RCT. The primary ischaemic endpoint was major adverse cardiac events (MACEs), and the primary bleeding endpoint was major bleeding events (clinicaltrials.gov NCT03338335). Results Seven RCTs including 16,518 patients (8,605 East Asians, 7,913 non-East Asians) were pooled. MACE occurred more frequently in non-East Asians (0.8% vs. 1.8%, p < 0.001), while major bleeding events occurred more frequently in East Asians (0.6% vs. 0.3%, p = 0.001). In Cox proportional hazards model, prolonged DAPT significantly increased the risk of major bleeding in East Asians (hazard ratio [HR], 2.843, 95% confidence interval [CI], 1.474–5.152, p = 0.002), but not in non-East Asians (HR, 1.375, 95% CI, 0.523–3.616, p = 0.523). East Asians had a higher median probability risk ratio of bleeding to ischaemia (0.66 vs. 0.15), and the proportion of patients with higher probability of bleeding than ischaemia was significantly higher in East Asians (32.3% vs. 0.4%, p < 0.001). Conclusion We suggest that the ischaemia/bleeding trade-off may be different between East Asians and non-East Asians. In East Asians, prolonged DAPT may have no effect in reducing the ischaemic risk, while significantly increases the bleeding risk.

scholarly journals Risk factors for thromboembolic and bleeding events in anticoagulated patients with atrial fibrillation: the prospective, multicentre observational PREvention oF thromboembolic events - European Registry in Atrial Fibrillation (PREFER in AF)

BMJ Open ◽  
2019 ◽  
Vol 9 (3) ◽  
pp. e022478 ◽  
Author(s):  
Miklos Rohla ◽  
Thomas W Weiss ◽  
Ladislav Pecen ◽  
Giuseppe Patti ◽  
Jolanta M Siller-Matula ◽  
...  
Keyword(s):  
Risk Factors ◽  
Atrial Fibrillation ◽  
Major Bleeding ◽  
Bleeding Risk ◽  
Thromboembolic Events ◽  
Bleeding Events ◽  
Prevention Of Thromboembolic Events ◽  
Major Bleeding Events ◽  
Anticoagulated Patients ◽  
European Registry

ObjectivesWe identified factors associated with thromboembolic and bleeding events in two contemporary cohorts of anticoagulated patients with atrial fibrillation (AF), treated with either vitamin K antagonists (VKA) or non-VKA oral anticoagulants (NOACs).DesignProspective, multicentre observational study.Setting461 centres in seven European countries.Participants5310 patients receiving a VKA (PREvention oF thromboembolic events - European Registry in Atrial Fibrillation (PREFER in AF), derivation cohort) and 3156 patients receiving a NOAC (PREFER in AF Prolongation, validation cohort) for stroke prevention in AF.Outcome measuresRisk factors for thromboembolic events (ischaemic stroke, systemic embolism) and major bleeding (gastrointestinal bleeding, intracerebral haemorrhage and other life-threatening bleeding).ResultsThe mean age of patients enrolled in the PREFER in AF registry was 72±10 years, 40% were female and the mean CHA2DS2-VASc Score was 3.5±1.7. The incidence of thromboembolic and major bleeding events was 2.34% (95% CI 1.93% to 2.74%) and 2.84% (95% CI 2.41% to 3.33%) after 1-year of follow-up, respectively.Abnormal liver function, prior stroke or transient ischaemic attack, labile international normalised ratio (INR), concomitant therapy with antiplatelet or non-steroidal anti-inflammatory drugs, heart failure and older age (≥75 years) were independently associated with both thromboembolic and major bleeding events.With the exception of unstable INR values, these risk factors were validated in patients treated with NOACs (PREFER in AF Prolongation Study, 72±9 years, 40% female, CHA2DS2-VASc 3.3±1.6). For each single point decrease on a modifiable bleeding risk scale we observed a 30% lower risk for major bleeding events (OR 0.70, 95% CI 0.64 to 0.76, p<0.01) and a 28% lower rate of thromboembolic events (OR 0.72, 95% CI 0.66 to 0.82, p<0.01).ConclusionAttending to modifiable risk factors is an important treatment target in anticoagulated AF patients to reduce thromboembolic and bleeding events. Initiation of anticoagulation in those at risk of stroke should not be prevented by elevated bleeding risk scores.

Abstract 12014: Modified HASBLED Bleeding Risk Score in Dialysis Patients With Atrial Fibrillation

Circulation ◽  
2015 ◽  
Vol 132 (suppl_3) ◽  
Author(s):  
Michele Murphy ◽  
William Maddox ◽  
Stan Nahman ◽  
Matthew Diamond ◽  
Robert Sorrentino ◽  
...  
Keyword(s):  
Atrial Fibrillation ◽  
Renal Failure ◽  
Liver Function ◽  
Renal Disease ◽  
Risk Score ◽  
Major Bleeding ◽  
Bleeding Event ◽  
Bleeding Risk ◽  
Bleeding Events ◽  
Major Bleeding Events

Introduction: Hemodialysis patients (HD pts) with atrial fibrillation (AF) have increased risk of stroke. The HASBLED (Hypertension (HTN), Abnl Renal/Liver Function, Stroke, Bleeding Hx, Labile INR, Elderly, Drugs/Alcohol) risk score predicts bleeding in the general AF population. It is unknown whether the HASBLED score can be applied to HD pts who are at additional bleeding risk due to uremic platelet dysfunction and the regular use of heparin. Hypothesis: To address this question, we queried the United States Renal Data System (USRDS) for bleeding events in HD pts with AF, and correlated those events with a modified HASBLED (mHASBLED) score. Methods: All incident HD pts with AF from the USRDS for 2006-2010 were queried for major bleeding events and mHASBLED parameters using ICD-9 diagnosis codes and data from CMS form 2728. For mHASBLED, the HTN parameter was defined as "HTN as the cause of renal failure", and labile INR as > 16 INRs/yr, but all other parameters could be derived from the dataset. Logistic regression (LR) analysis was used to estimate the odds ratio (OR) for the mHASBLED score to predict major bleeding events. Results: 74,631 HD pts had AF, and 9.8% had a major bleeding event (GI bleeding and hemorrhagic stroke). By univariate analysis, those who bled were more likely to be elderly, have an underlying cause of renal disease due to HTN, prior bleeding event, hepatitis C, labile INR, and be on oral anticoagulants. By LR, variables with the greatest impact on bleeding were HTN as a cause of underlying renal disease, prior bleeding history, and labile INR (OR of 1.10, 2.20 and 2.24, respectively). The OR for bleeding events increased by 1.28 for each unit increase in mHASBLED. Older age, prior stroke, abnormal renal or liver function, and drug use had the least effect. Note that the lowest possible score in this cohort is 1, given that all patients had renal failure. Conclusions: In HD pts with AF, the mHASBLED predicts major bleeding events. The universal presence of renal disease, and the lack of specific clinical data from the USRDS may limit the clinical precision of a given score, however mHASBLED may remain a useful indicator of bleeding risk in this population.

History of previous bleeding and C-reactive protein improve assessment of bleeding risk in elderly patients (≥80 years) with myocardial infarction

2015 ◽  
Vol 114 (11) ◽  
pp. 1085-1091 ◽  
Author(s):  
Lorenz Koller ◽  
David-Jonas Rothgerber ◽  
Patrick Sulzgruber ◽  
Feras El-Hamid ◽  
Stefan Forster ◽  
...  
Keyword(s):  
Myocardial Infarction ◽  
Elderly Patients ◽  
Risk Score ◽  
Major Bleeding ◽  
Roc Analysis ◽  
Bleeding Risk ◽  
C Reactive Protein ◽  
Bleeding Events ◽  
Reactive Protein ◽  
History Of

SummaryWe aimed to assess whether the CRUSADE risk score represents a robust instrument for stratification of bleeding risk in elderly myocardial infarction (MI) patients (≥80 years) and further aimed to identify age-specific predictors of major bleeding events. Binary logistic regression models were applied to assess the effect of variables on the occurrence of bleeding events during hospital stay. Receiver operating characteristic (ROC) analysis was used to evaluate the discriminatory power. Out of 387 patients in the final study cohort, 74 patients (19.1 %) experienced a major bleeding event according to the definition of the International Society on Thrombosis and Haemostasis. The CRUSADE risk score demonstrated only a weak discriminatory power to predict bleeding in this group of patients (area under the ROC curve: 0.57 [0.51–0.65]; p=0.05). In the multivariate regression analysis, history of bleeding with an adjusted hazard ratio (HR) of 3.21(95 % confidence interval: 1.29–8.03, p=0.01) and C-reactive protein with an adjusted HR per increase of 10 mg/l of 1.05 (1.01–1.10) were independent predictors of major bleeding. Integration of both variables into the CRUSADE score demonstrated a significantly improved performance for bleeding as indicated by a significant increase in the ROC analysis (area under the curve: 0.64 vs 0.57; for comparison p<0.045), net reclassification index (35.6 0 %; p=0.006) and integrated discrimination increment (0.0242; p=0.02). In conclusion, bleeding history and C-reactive protein significantly improve the modest predictive power of the CRUSADE risk score in elderly patients with MI. These results point towards a specific risk profile for bleeding events in this high-risk group of patients.

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