The role of aspirin resistance on outcome in patients with acute coronary syndrome and the effect of clopidogrel therapy in the prevention of major cardiovascular events

2006 ◽  
Vol 22 (2) ◽  
pp. 103-110 ◽  
Author(s):  
Burak Pamukcu ◽  
Huseyin Oflaz ◽  
Aytac Oncul ◽  
Berrin Umman ◽  
Fehmi Mercanoglu ◽  
...  
Angiology ◽  
2020 ◽  
Vol 71 (9) ◽  
pp. 831-839
Author(s):  
Nuccia Morici ◽  
Valentina Molinari ◽  
Silvia Cantoni ◽  
Andrea Rubboli ◽  
Laura Antolini ◽  
...  

Individual parameters of complete blood count (CBC) have been associated with worse outcome in patients with acute coronary syndrome (ACS). However, the prognostic role of CBC taken as a whole has never been evaluated for long-term incidence of major adverse cardiovascular events (MACEs). Patients were grouped according to their hematopoietic cells’ inflammatory response at different time points during hospital stay. Patients with admission white blood cell count >10 × 109/L, discharge hemoglobin <120 g/L, and discharge platelet count >250 × 109/L were defined as “high-risk CBC.” Among 1076 patients with ACS discharged alive, 129 (12%) had a “high-risk CBC” and 947 (88%) had a “low-risk CBC.” Patients with “high-risk CBC” were older and had more comorbidities. Over a median follow-up of 665 days, they experienced a higher incidence of MACE compared to “low-risk CBC” patients (18.6% vs 8.1%). After adjustment for age, age-adjusted Charlson comorbidity index, female sex, cardiac arrest, suboptimal discharge therapy, coronary artery bypass, and ejection fraction, a high-risk CBC was significantly associated with increased MACE occurrence (adjusted hazard ratio 1.80; 95% CI: 1.09-3.00). The CBC was a prognostic marker in patients with ACS, and its evaluation at admission and discharge could better classify patient’s risk and improve therapeutic management.


2019 ◽  
Vol 40 (Supplement_1) ◽  
Author(s):  
A Cordero ◽  
L Facila ◽  
M Rodriguez-Manero ◽  
M Gomez-Martinez ◽  
V Bertomeu-Gonzalez ◽  
...  

Abstract Background Proprotein convertase subtilisin–kexin type 9 (PCSK9) inhibitors have demonstrated to induce large reductions in low-density lipoprotein cholesterol (LDLc) and major cardiovascular events but none of the studies was statistically powered to demonstrate reductions in specific endpoints rather than a combined end-point of major cardiovascular events. Methods We performed an intention-to-treat meta-analysis in line with recommendations from the Cochrane Collaboration and the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Statement using currently available studies involving PCSK9 inhibitors. The endpoint assessed were acute coronary syndrome (ACS) and stroke. Results We included 81,544 patients, 41,147 treated with a PSCK9 inhibitors: 17,179 with evolocumab; 13,718 with bococizumab and 10,250 with alirocumab (table 1). A total of 1,316 ACS were registered in the treatment group vs. 1,608 in controls, resulting in 18.0% reduction associated with PCSK9 treatment (figure 1). This result was reproduced exactly in the EBCT althougt a non-significant heterogeneity was detected (p=0.052). Metaregression analyses did not demonstrate the implication of the study (p=0.45), study drugs (p=0.26), age (p=0.89), hypertension (p=0.81) or diabetes (p=0.81) on such result. Results on stroke incidence are presented in figure 2. PCSK9 inhibitors treatment resulted in a 24% reduction of stroke when all studies were analyzed together; heterogeneity was statistically significant (p=0.021) but it was not observed in the EBCT analysis where PCSK9 inhibitors were associated with 24% stroke incidence reduction. Conclusions The meta-analysis of currently available studies demonstrates that PCSK9 inhibitors treatment reduces the incidence of ACS by 18% and stroke by 24%.


2018 ◽  
Vol 118 (10) ◽  
pp. 1839-1846 ◽  
Author(s):  
Laurent Bonello ◽  
Marc Laine ◽  
Gilles Lemesle ◽  
Etienne Puymirat ◽  
Thibaut Dabry ◽  
...  

Background The clinical benefit of anti-platelet agents in patients with chronic kidney disease (CKD) is uncertain. In addition, the risk–benefit ratio of potent oral P2Y12-adenosine diphosphate (ADP) receptor antagonists (PPAs), namely, prasugrel and ticagrelor, compared with clopidogrel in CKD patients suffering from acute coronary syndrome (ACS) remains unknown. Objective We performed a meta-analysis of all studies comparing the clinical outcomes of PPA and clopidogrel therapy in CKD patients suffering from ACS. Methods We searched PubMed, the Cochrane library, Google Scholar, Clinical trial.org and the abstracts of international cardiology congresses from April 2000 to October 2017. Clinical studies comparing PPA with clopidogrel in ACS patients with CKD were selected. Our literature research identified five studies which were included in the meta-analysis. The primary endpoint was a composite of major adverse cardiovascular events (MACEs) at the latest follow-up available. Secondary endpoint included bleedings. Results We included data from three sub-group analysis of randomized clinical trials and two prospective observational studies (n = 31,234). Overall, PPAs were associated with lower rates of major cardiovascular events, with a pooled hazard ratio (pHR) of 0.88 (95% confidence interval [CI]: 0.79–0.99; p = 0.03), without increased bleedings (pHR = 1.10) (95% CI: 0.95–1.27; p = 0.18). In a sensitivity analysis restricted to studies enrolling invasively managed patients, the benefit of PPA on MACE was maintained (pHR = 0.85) (95% CI: 0.77–0.93; p < 0.001), including a reduction in mortality (pHR = 0.82) (95% CI: 0.7–0.96; p = 0.016). Conclusion Compared with clopidogrel, PPAs were associated with a reduced rate of MACE without increased bleedings in CKD patients with ACS. Among invasively managed patients, this benefit from PPA included a reduction in mortality.


PLoS ONE ◽  
2021 ◽  
Vol 16 (2) ◽  
pp. e0246166
Author(s):  
Zhi-Jiang Xie ◽  
Shuan-Li Xin ◽  
Chao Chang ◽  
Hai-Jing Zhou ◽  
Xiu-Feng Zhao ◽  
...  

This study was to compare the efficacy and safety of combined glycoprotein IIb/IIIa inhibitor (GPI) and ticagrelor versus ticagrelor in patients with acute coronary syndrome (ACS). An observational study was conducted using the Improving Care for Cardiovascular Disease in China-ACS project. Totally, 13,264 patients with ACS and received combination therapy or ticagrelor therapy were analyzed. The primary outcome was the composite of major cardiovascular events (MACE: all-cause mortality, myocardial infarction [MI], stent thrombosis, cardiogenic shock, and ischemic stroke), and secondary outcomes included all-cause mortality, MI, stent thrombosis, cardiogenic shock, and ischemic stroke. The multivariable adjusted analysis indicated that combination therapy was associated with an increased risk of major cardiovascular events (MACE) (P = 0.001), any bleeding (P<0.001), and major bleeding (P = 0.005). Moreover, the multivariable adjusted for propensity score-matched (PSM) analysis suggested that combination therapy produced additional risk of MACE (P = 0.014), any bleeding (P<0.001), and major bleeding (P = 0.005). Moreover, PSM analysis suggested that combination therapy was associated with greater risk of stent thrombosis (P = 0.012) and intracranial bleeding (P = 0.020). Combined GPI and ticagrelor therapies did not have any beneficial effects on MACE, stent thrombosis, intracranial bleeding, any bleeding, or major bleeding.


Sign in / Sign up

Export Citation Format

Share Document