Objectives To evaluate the efficacy of post‐primary percutaneous coronary intervention (PCI) bivalirudin infusion (at full PCI dose) to prevent stent thrombosis (ST) compared with heparin monotherapy. Background Early randomized controlled trials (RCTs) have shown that compared with heparin use, bivalirudin use during primary PCI is associated with an increased risk of ST. However, bivalirudin was stopped in those trials at the end of the procedure and glycoprotein IIb/IIIa inhibitors (GPIs) were routinely used with heparin. The increased risk of ST may be eliminated by continuing bivalirudin infusion post‐procedure for few hours. Indeed, in most recent trials, a trend of lower ST risk has been observed with a post‐procedure infusion of bivalirudin compared with heparin monotherapy (without the routine use of GPI). Methods Relevant RCTs were included and risk ratios (RRs) were calculated using random effect models. The primary outcome of interest was the risk of early definite ST. Results Four RCTs involving 13,505 patients were included in this meta‐analysis. Compared with heparin monotherapy, bivalirudin (with a post‐procedure infusion) was associated with a 55% decrease in the risk of early definite ST (RR: 0.45, 95% confidence interval: 0.23–0.85; P = 0.015). There was no difference in the risk of early ST between bivalirudin (with a post‐procedure infusion) and heparin with GPI. Conclusions For primary PCI, a bivalirudin‐based anticoagulant strategy (with post procedure infusion) is associated with a lower risk of early definite ST compared with treatment with heparin monotherapy (without GPI).
Background/Aim: Exposure to pesticides has been reportedly associated with several types of cancer. Materials and Methods: In this study, we used data from The United States Geological Survey (USGS), United States Census, and the Surveillance, Epidemiology, and End Results (SEER) database to analyze the association between the area density of specific agricultural pesticides and the county level annual incidence of diffuse large B-cell lymphoma (DLBCL). Results: Incidence of DLBCL was significantly associated with an area density of 14 of the pesticides reported by USGS. Conclusion: This highlights the need for further investigation into the safety of the use of these pesticides.The importance of this study comes not only from the significant association it shows between pesticides and the incidence of cancer, but also from the fact that it included all compounds reported to USGS as being used in agriculture. This helps in prioritizing pesticides for further evaluation.
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