scholarly journals The Risk of Perioperative Bleeding in Patients with Dual Antiplatelet Therapy

2021 ◽  
pp. 20-24
Author(s):  
Taras M. Domanskyy ◽  
Artur V. Gabriyelyan ◽  
Oleg V. Beregovoy ◽  
Stanislav I. Filianin ◽  
Svitlana S. Moshta
Keyword(s):  
High Risk ◽  
Antiplatelet Therapy ◽  
Major Bleeding ◽  
Dual Antiplatelet Therapy ◽  
Postoperative Bleeding ◽  
Bleeding Risk ◽  
Bleeding Complications ◽  
Risk Of Bleeding ◽  
Perioperative Bleeding ◽  
Significant Difference

Background. Patients with dual antiplatelet therapy have high risk of perioperative bleeding. In this article we evaluated the risk of bleeding in patients whose antiplatelet therapy had not been canceled before coronary artery bypass grafting (CABG). The aim. To investigate and evaluate the risk of intra- and postoperative bleeding in patients who underwent CABG during antiplatelet therapy. Materials and methods. In the study, 47 case reports of patients with coronary heart disease who underwent CABG were evaluated. The patients were divided into 2 groups. The first group included 26 patients who discontinued antiplatelet therapy less than 5 days before the operation. The second group included 21 patients who discontinued antiplatelet therapy more than 5 days before the operation. Stratification of the risk of bleeding was performed using HAS-BLED Score for Major Bleeding Risk online calculator. Results and discussion. The major bleeding risk was 5.1 ± 1.4% and 4.4 ± 1.6% in the first and in the second group, respectively. In spite of higher risk of bleeding in the first group, there was no significant difference in intra- and postoperative bleeding complications. Conclusions. Candidates for surgical intervention who receive dual antiplatelet therapy have high risk of intra- and postoperative bleeding complications. In urgent cases when timely discontinuation of dual antiplatelet therapy is impossible and there is urgent need in the intervention, the latter must be performed. For patients who were prepared for CABG and discontinued dual antiplatelet therapy less than 5 days before the operation, sufficient volume of blood for transfusion must be provided.

scholarly journals A cost-effectiveness and safety analysis of dual antiplatelet therapy comparing aspirin–clopidogrel to aspirin–ticagrelor in patients with acute coronary syndrome

2018 ◽  
Vol 27 (4) ◽  
pp. 262-70
Author(s):  
Nafrialdi Nafrialdi ◽  
Novita M. Handini ◽  
Instiaty Instiaty ◽  
Ika P. Wijaya
Keyword(s):  
Acute Coronary Syndrome ◽  
Cost Effectiveness ◽  
Antiplatelet Therapy ◽  
Major Bleeding ◽  
Dual Antiplatelet Therapy ◽  
Bleeding Risk ◽  
Major Adverse Cardiovascular Events ◽  
Minor Bleeding ◽  
Coronary Syndrome ◽  
Significant Difference

Background: Dual antiplatelet therapy (DAPT) using either an aspirin–clopidogrel (A–C) combination or aspirin–ticagrelor (A–T) combination has become the standard therapy for acute coronary syndrome (ACS). Ticagrelor shows better pharmacokinetic profiles but is more expensive. This study aimed to compare cost-effectiveness and safety profiles of A–C versus A–T in patients with ACS.Methods: This was a retrospective cohort study of ACS patient at the Cipto Mangunkusumo Hospital between 2014 and 2016. ACS patients treated for the first time with A–T or A–C were included. Occurrence of major adverse cardiovascular events (MACE) within 3, 6, 9, and 12 months were used as effectiveness outcomes, while safety outcomes were measured based on the incidence of adverse drug reactions (major and minor bleeding, dyspnea, and hyperuricemia). Cost-effectiveness analysis was presented as incremental cost-effectiveness ratio (ICER).Results: Data records obtained from 123 ACS patients treated with A–C and 57 ACS patients treated with A–T were evaluated. Within the first three months, the MACE rate was 15.8% in the A–T group and 31.7% in the A–C group (RR: 0.498, 95% CI: 0.259–0.957, p=0.039). There was no statistically significant difference observed in the number of MACE between groups after 6, 9, and 12 months. The A–T group had a higher incidence of major bleeding (melena) than the A–C group (5.3% vs 1.62%, p=0.681), especially in geriatric patients. Minor bleeding was observed in three patients of the A–C group, but in none of the patients in the A–T group. The cost of ICER was IDR 279,438, indicating the additional cost needed for avoiding MACE within 3 months, if A–T was used.Conclusion: The aspirin–ticagrelor combination is a clinically superior and cost-effective option for MACE prevention among ACS patients, especially during the first three months of DAPT, with a slight but not significantly higher major bleeding risk when compared to the aspirin–clopidogrel combination.

scholarly journals 745 Meta-analysis comparing the safety and efficacy of ticagrelor monotherapy after a short course of ticagrelor-based dual antiplatelet therapy versus standard therapy in complex percutaneous coronary interventions

2021 ◽  
Vol 23 (Supplement_G) ◽  
Author(s):  
Francesco Condello ◽  
Matteo Sturla ◽  
Riccardo Terzi ◽  
Alberto Polimeni ◽  
Giulio Stefanini
Keyword(s):  
Antiplatelet Therapy ◽  
Major Bleeding ◽  
Dual Antiplatelet Therapy ◽  
Meta Analysis ◽  
Bleeding Risk ◽  
Minor Bleeding ◽  
Bleeding Events ◽  
Short Course ◽  
Percutaneous Coronary ◽  
Significant Difference

Abstract Aims Current guidelines recommend dual antiplatelet therapy (DAPT) with aspirin and a P2Y12 inhibitor for 6–12 months after percutaneous coronary intervention (PCI). A shorter duration ticagrelor-based DAPT followed by ticagrelor monotherapy can significantly reduce bleeding events while preserving anti-ischaemic effects in patients undergoing conventional PCI. Whether this strategy can be safely and effectively applied to those patient that undergo ‘complex’ PCI is uncertain. Methods We performed a systematic search of randomized controlled trials comparing a short course of ticagrelor-based DAPT vs. standard DAPT in patients undergoing complex PCI. A mixed-effects Poisson regression model with random intervention effects was used to estimate the pooled incidence rate ratios (IRR) with 95% confidence intervals (CI). Results Out of 10 689 studies screened, three were identified for a total of 4176 participants on ticagrelor monotherapy after a short course of ticagrelor based DAPT, and 4209 on standard DAPT. Overall, the pooled analysis showed a strong evidence that compared to standard treatment, ticagrelor monotherapy after a short course of ticagrelor-based DAPT (1–3 months) reduced the risk of cardiovascular death [IRR 0.52; CI (0.28–0.96); P = 0.04; I2 = 0%], all-cause death [IRR 0.65; CI (0.49–0.86); P = 0.003; I2 = 0%], and any bleeding events [IRR 0.62; CI (0.47–0.81); P < 0.001; I2 = 44%]. Weak evidence was found of an association between the experimental strategy and a lower risk of myocardial infarction [IRR 0.79; CI (0.61–1.01); P = 0.06; I2 = 0%]. Instead, no significant difference in the risk of major bleeding [IRR 0.72; CI (0.48–1.08); P = 0.11; I2 = 61%], definite or probable stent thrombosis [IRR 0.77; CI (0.34–1.75); P = 0.53; I2 = 0%] and ischaemic stroke [IRR 0.83; CI (0.25–2.73); P = 0.76; I2 = 0%] was observed. We speculate that the observed mortality benefits might be related to the reduction of any bleeding events, mainly dictated by minor bleeding reduction, since major bleeding did not seem to be decreased in the shorter regimen group. Conclusion Among patients undergoing complex PCI, ticagrelor monotherapy after a short course of ticagrelor-based DAPT significantly reduced bleeding risk without increasing ischaemic risk. As complex PCI procedures are being increasingly performed nowadays, and more comorbid patients are being treated, more studies are required to confirm and explain these findings. This could lead to optimization of antiplatelet therapy across a broad spectrum of patients.

Comparative Efficacy and Safety of Duration of Dual Antiplatelet Therapy in Patients with CAD Undergoing Drug-eluting Stent Implantation: A Systematic Review and Network Meta-analysis

2020 ◽  
Vol 26 (44) ◽  
pp. 5739-5745
Author(s):  
Jieqiong Guan ◽  
Wenjing Song ◽  
Pan He ◽  
Siyu Fan ◽  
Hong Zhi ◽  
...  
Keyword(s):  
Antiplatelet Therapy ◽  
Major Bleeding ◽  
Dual Antiplatelet Therapy ◽  
Meta Analysis ◽  
Cochrane Library ◽  
Drug Eluting Stent ◽  
Efficacy And Safety ◽  
Risk Of Bleeding ◽  
Increased Risk ◽  
Drug Eluting

Objective: The aim was to evaluate the efficacy and safety of duration of dual antiplatelet therapy (DAPT) for patients who received percutaneous coronary intervention (PCI) with a drug-eluting stent. Background: The optimal duration of DAPT to balance the risk of ischemia and bleeding in CAD patients undergoing drug-eluting stent (DES) implantation remains controversial. Methods: PubMed, Cochrane Library, Web of Science, Clinicaltrials.gov, CNKI and Wanfang Databases were searched for randomized controlled trials of comparing different durations of DAPT after DES implantation. Primary outcomes were major adverse cardiac and cerebrovascular events (MACCE), and major bleeding, and were pooled by Bayes network meta-analysis. Net adverse clinical and cerebral events were used to estimate the surface under the cumulative ranking (SUCRA) curves. The subgroup analysis based on clinical status, follow-up and area was conducted using traditional pairwise meta-analysis. Results: A total of nineteen trials (n=51,035) were included, involving six duration strategies. The network metaanalysis showed that T2 (<6-month DAPT followed by aspirin, HR:1.51, 95%CI:1.02-2.22), T3 (standard 6-month DAPT, HR:1.47, 95%CI:1.14-1.91), T4 (standard 12-month DAPT, HR:1.41, 95%CI:1.15-1.75) and T5 (18-24 months DAPT, HR:1.47, 95%CI:1.09-1.97) was associated with significantly increased risk of MACCE compared to T6 (>24-month DAPT). However, no significant difference was found in MACCE risk between T1 (<6-month DAPT followed by P2Y12 monotherapy) and T6. Moreover, T5 was associated with significantly increased risk of bleeding compared to T1(RR:3.94, 95%CI:1.66-10.60), T2(RR:3.65, 95%CI:1.32-9.97), T3(RR:1.93, 95%CI:1.21-3.50) and T4(RR:1.89, 95%CI:1.15-3.30). The cumulative probabilities showed that T6(85.0%), T1(78.3%) and T4(44.5%) were the most efficacious treatment compared to the other durations. In the ACS (<50%) subgroup, T1 was observed to significantly reduce the risk of major bleeding compared to T4, but not in the ACS (≥50%) subgroup. Conclusions: Compared with other durations, short DAPT followed by P2Y12 inhibitor monotherapy showed non-inferiority, with a lower risk of bleeding and not associated with an increased MACCE. In addition, the risk of major bleeding increased significantly, starting with DAPT for 18-month. Compared with the short-term treatment, patients with ACS with the standard 12-month treatment have a better prognosis, including lower bleeding rate and the decreased risk of MACCE. Due to study's limitations, the results should be verified in different risk populations.

scholarly journals Bleeding Risk in Non-Valvular Atrial Fibrillation Patients Receiving Direct Oral Anticoagulants and Warfarin: A Systematic Review and Meta-Analysis of Observational Studies

Blood ◽  
2019 ◽  
Vol 134 (Supplement_1) ◽  
pp. 3672-3672 ◽  
Author(s):  
Yimin Pearl Wang ◽  
Rohan Kehar ◽  
Alla Iansavitchene ◽  
Alejandro Lazo-Langner
Keyword(s):  
Major Bleeding ◽  
Lower Risk ◽  
Observational Studies ◽  
Meta Analysis ◽  
Oral Anticoagulants ◽  
Direct Oral Anticoagulants ◽  
Factor Xa ◽  
Bleeding Risk ◽  
Risk Of Bleeding ◽  
Significant Difference

Introduction: The standard oral anticoagulant therapy administered to non-valvular AF patients has typically been Vitamin K Antagonists (VKA) particularly warfarin. In recent years, Direct Oral Anticoagulants (DOACs) including Direct Thrombin Inhibitors (DTI) and Direct Factor Xa inhibitors (FXa inhibitors) have become an alternative to warfarin. Randomized trials comparing warfarin and DOACs showed comparable effectiveness without significant additional major bleeding risk. However, bleeding events in RCTs may differ from those in daily use due to the routine exclusion of patients with a higher risk of bleeding from many studies. We aimed to assess bleeding risk between DOACs and warfarin in AF patients in observational studies and we also sought to determine differences between patients that were experienced or naïve to oral anticoagulants. Methods: A systematic literature search was conducted in the OVID MEDLINE® and EMBASE® electronic databases. Observational studies and randomized control trials (RCT) from 1990 to January 2019 were retrieved and examined by two independent reviewers. A pooled effect hazard ratio (HR) was calculated using a random effects model using the generic inverse variance method. Subgroup analyses according to previous exposure to anticoagulants, study type, funding type and DOAC type were conducted. The primary outcome was major bleeding risk. The secondary outcome was clinically relevant non-major bleeding. All studies must have used an established or validated definition of major bleeding. Results: The initial literature search identified 3359 potentially eligible citations. After primary screening, 150 articles were eligible for full text review and there were 35 studies including 2,356,201 patients that met the inclusion criteria. Overall, patients on DOACs were less likely to experience a bleeding event compared to warfarin (HR 0.78, 95%CI 0.71, 0.85, P&lt;0.001). The results were consistent when analyzing patients receiving DTIs or FXa inhibitors (DTI: HR 0.76, 95% CI 0.67,0.87; FXa inhibitors: HR 0.79, 95% CI 0.69,0.89). However, among patients receiving factor Xa inhibitors, there was a significant difference in the risk of bleeding according to individual drug. Among patients receiving rivaroxaban the risk of bleeding was similar to warfarin (HR 0.98, 95%CI 0.91,1.06, p=0.60) whereas in those receiving apixaban there was a 40% reduction in the risk of bleeding compared to warfarin (HR 0.60, 95%CI 0.50,0.71, p&lt;0.001) (Figure 1). Three studies reported information according to previous anticoagulant exposure. The overall pooled hazard ratio was 0.68 (95% CI 0.55, 0.82 p&lt;0.001) in favor of patients on DOACs. In the subgroup analysis of previous anticoagulant use, the risk of bleeding was lower for DOACs compared to warfarin in both the experienced population (HR 0.70, 95%CI 0.51, 0.96) and the naïve population (HR 0.64, 95% CI 0.47,0.87). However, heterogeneity was moderate to high among both subgroups. Conclusion: This review and meta-analysis of observational studies including over 2.3 million patients showed that overall DOACs have a lower risk of major bleeding and clinically relevant non-major bleeding compared to warfarin. Most importantly, although the pooled effect estimate did not differ between DTIs and FXa inhibitors, among patients receiving FXa inhibitors there was a significant difference between individual agents. Patients on apixaban had a significantly lower risk of bleeding compared to warfarin in contrast to patients on rivaroxaban who had a similar risk. Disclosures No relevant conflicts of interest to declare.

scholarly journals Increased Postoperative Bleeding Risk among Patients with Local Flap Surgery under Continued Clopidogrel Therapy

2015 ◽  
Vol 2015 ◽  
pp. 1-5 ◽  
Author(s):  
Wolfgang Eichhorn ◽  
Martina Haase ◽  
Lan Kluwe ◽  
Jürgen Zeuch ◽  
Ralf Smeets ◽  
...  
Keyword(s):  
Antiplatelet Therapy ◽  
Univariate Analysis ◽  
Postoperative Bleeding ◽  
Tumor Resection ◽  
Bleeding Risk ◽  
Skin Tumor ◽  
Bleeding Complications ◽  
Skin Grafts ◽  
Clopidogrel Therapy ◽  
Study Population

Purpose. The purpose of the study was to evaluate the influence of a continued antiplatelet therapy with clopidogrel on postoperative bleeding risk in patients undergoing skin tumor resection and reconstruction with local flaps or skin grafts under outpatient conditions.Patients and Methods. The authors designed and implemented a retrospective clinical cohort study at the General Hospital Balingen. The primary endpoint was the bleeding ratio in patients with clopidogrel treatment in comparison to patients without any anticoagulant or antiplatelet therapy. Wound healing was evaluated on days 1, 3, 5, 7, 10, and 14.Results. 650 procedures were performed, 123 of them under continued clopidogrel therapy. There were significantly more postoperative bleeding complications among patients with continued antiplatelet therapy. Regarding the whole study population, malignant lesions, a larger defect size, and skin grafts were accompanied by a higher rate of bleeding incidents. However, there were no significant findings in the univariate analysis of the clopidogrel group. All bleeding incidents were easily manageable.Conclusion. Despite an increased bleeding ratio among patients under continued clopidogrel therapy, the performance of simple surgical procedures can be recommended. However, cautious preparation and careful hemostasis are indispensable.

Abstract 2356: Dual Antiplatelet Therapy following Percutaneous Coronary Intervention with Stent Implantation in Patients on Chronic Oral Anticoagulation

Circulation ◽  
2007 ◽  
Vol 116 (suppl_16) ◽  
Author(s):  
Renata Rogacka ◽  
Alaide Chieffo ◽  
Iassen Michev ◽  
Flavio Airoldi ◽  
Azeem Latib ◽  
...  
Keyword(s):  
Percutaneous Coronary Intervention ◽  
Triple Therapy ◽  
Antiplatelet Therapy ◽  
Major Bleeding ◽  
Stent Implantation ◽  
Dual Antiplatelet Therapy ◽  
Coronary Intervention ◽  
Bleeding Complications ◽  
Percutaneous Coronary

Objectives: To evaluate the safety of dual antiplatelet therapy in patients in whom long-term anticoagulation (AC) with warfarin is recommended. Background: It is well established that antiplatelet therapy with aspirin ad thienopiridines is required following percutaneous coronary intervention (PCI) with stent implantation. Some patients have also indication for long-term AC. The optimal antithrombotic strategy following PCI in such patients is unclear. Methods: All consecutive patients who underwent PCI with stent implantation discharged on triple therapy (defined as the combination of aspirin and thienopyridines and AC with warfarin) were analyzed. Results One-hundred and twenty-seven patients with 224 lesions: 86.6% males, mean age 69.9±8.8 years were included in the study. Drug-eluting stents (DES) were positioned in 71 (55.9%) and bare metal stent (BMS) in 53 (41.7%) patients. Atrial fibrillation (AF) was the main indication (59.1%) for AC treatment, followed by prosthetic valves (12.4%) and mural left ventricular (LV) thrombus (9.1%). Average risk of thromboembolic events in the subgroup with AF was 1.79 ± 1.23 according to CHADS2 score. The mean triple therapy duration was 5.6±4.6 and clinical follow-up 21.0±19.8 months. During the triple therapy period, 6 patients (4.7%) developed major bleeding complications; 67% of which occurred within the first month. No significant differences between DES and BMS were observed in the incidence of major (respectively 5.6% vs. 3.8%, p=1.0) and minor bleeding (respectively 1.4% vs. 3.8%, p=0.57) and mortality (respectively 5.6% vs. 1.9%, p=0.39). Four patients died in DES group: 3 of major bleeding complications and one of ischemic stroke. The only death in the BMS group was due to subarachnoid hemorrhage. A significant difference was observed in favor of DES in target vessel revascularization (14.1% vs. 28.3%, p=0.041). Conclusions: While on triple therapy, major bleeding complications occurred in 4.7% of patients, half of them were lethal and most (67%) occurred within the first month.

scholarly journals Validation of the 4‐Item PRECISE‐DAPT Score: A SWEDEHEART Study

2021 ◽  
Author(s):  
Axel Wester ◽  
Moman A. Mohammad ◽  
Göran Olivecrona ◽  
Jasminka Holmqvist ◽  
Troels Yndigegn ◽  
...  
Keyword(s):  
Risk Factors ◽  
Myocardial Infarction ◽  
Antiplatelet Therapy ◽  
Major Bleeding ◽  
Dual Antiplatelet Therapy ◽  
Bleeding Risk ◽  
Coronary Intervention ◽  
Discriminative Ability ◽  
C Statistic ◽  
Percutaneous Coronary

Background The Predicting Bleeding Complications in Patients Undergoing Stent Implantation and Subsequent Dual Antiplatelet Therapy (PRECISE‐DAPT) score has been shown to predict out‐of‐hospital major bleeding after myocardial infarction treated with percutaneous coronary intervention and dual antiplatelet therapy (DAPT). However, large validation studies have been scarce and the discriminative ability for patients with a preexisting bleeding risk factor (elderly, underweight, women, anemia, kidney dysfunction, or cancer) in a real‐world setting is unknown. Methods and Results Patients undergoing percutaneous coronary intervention for myocardial infarction between 2008 and 2017 were included from the SWEDEHEART (Swedish Web System for Enhancement of Evidence‐Based Care in Heart Disease Evaluated According to Recommended Therapies) registry (n=66 295). The predictive value of the PRECISE‐DAPT score for rehospitalization with major bleeding during dual antiplatelet therapy was evaluated using receiver operating characteristic analyses. A high PRECISE‐DAPT score (≥25; n=13 894) was associated with increased risk of major bleeding (3.9% versus 1.8%; hazard ratio [HR], 2.2; 95% CI, 2.0–2.5; P <0.001) compared with a non‐high score (<25; n=52 401). The score demonstrated a c‐statistic of 0.64 (95% CI, 0.63–0.66). The discriminative ability of the score to further stratify bleeding risk in patients with preexisting bleeding risk factors was poor, especially in patients who are elderly (c‐statistic=0.57; 95% CI, 0.55–0.60) or underweight (c‐statistic=0.56; 95% CI, 0.51–0.61), for whom a non‐high PRECISE‐DAPT score was associated with similar bleeding risk as a high PRECISE‐DAPT score in the general myocardial infarction population. Conclusions In this nationwide population‐based study, the PRECISE‐DAPT score performed moderately in the general myocardial infarction population and poorly in patients with preexisting bleeding risk factors, where its usefulness seems limited.

P3843Ischemic-bleeding balance according to history of prior bleeding in patients with acute coronary syndrome during treatment with dual antiplatelet therapy

2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
P Dominguez Erquicia ◽  
S Raposeiras Roubin ◽  
E Abu-Assi ◽  
F D'Ascenzo ◽  
S Manzano Fernandez ◽  
...  
Keyword(s):  
Myocardial Infarction ◽  
Antiplatelet Therapy ◽  
Major Bleeding ◽  
Cumulative Incidence ◽  
Dual Antiplatelet Therapy ◽  
Bleeding Risk ◽  
Short Term ◽  
History Of ◽  
The Impact

Abstract Introduction ESC guidelines recommend short-term dual antiplatelet therapy (DAPT) in patients with high bleeding risk. In this sense, patients with prior admissions by bleeding are considered of high-risk of bleeding. With our study, we aimed to show the ischemic-bleeding profile of patients with prior bleeding in comparison with those without prior bleeding during treatment with DAPT. Methods The data analyzed in this study were obtained from the fusion of 3 clinical registries of ACS patients: BleeMACS (2004–2013), CardioCHUVI/ARRITXACA (2010–2016) and RENAMI (2013–2016). All 3 registries include consecutive patients discharged after an ACS with DAPT and undergoing PCI. The merged data set contain 26,076 patients. A propensity-matched analysis was performed to match the baseline characteristics of patients with and without prior admission by bleeding. The impact of prior prior bleeding in the ischemic and bleeding risk was assessed by a competitive risk analysis, using a Fine and Gray regression model, with death being the competitive event. For ischemic risk we have considered a new acute myocardial infarction, whereas for bleeding risk we have considered major bleeding defined as bleeding requiring hospital admission. Follow-up time was censored by DAPT suspension/withdrawal. Results From the 26,076 ACS patients, 1,105 have PAD (4.2%). During a mean follow-up of 12.2±4.8 months, 964 patients died (3.7%), 640 had myocardial infarction (2.5%) and 685 had major bleeding (2.6%). After propensity-score matching, we obtained two matched groups of 1,101 patients. In comparison with patients without prior bleeding, those with prior bleeding had higher risk of major bleeding (sHR 2.03, 95% CI 1.33–3.11, p=0.001) with similar risk of myocardial infarction (sHR 0.98, 95% CI 0.61–1.59, p=0.945), in comparison with those without PAD. The cumulative incidence of myocardial infarction was 31 and 32 per 1,000 patients/year in patients with and without prior bleeding, respectively. The cumulative incidence of major bleeding was 63 and 29 per 1,000 patients/year in patients with and without prior bleeding, respectively. The difference between myocardial infarction rate and major bleeding rate was −32 and +3 per 1,000 patient-years in patients with and without prior bleeding (Figure). Conclusions Patients with ACS and prior history of bleeding have a significant increment of bleeding risk during treatment with DAPT. In these patients, short-term DAPT (6 months) should be recommended.

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