Although the primary efficacy end points were not met, the results of this study support the use of RT before infarct artery stenting in patients with acute myocardial infarction and evidence of coronary thrombus. (AngioJet Rheolytic Thrombectomy Before Direct Infarct Artery Stenting in Patients Undergoing Primary PCI for Acute Myocardial Infarction [JETSTENT]; NCT00275990).
Coronary atherosclerotic disease is highly prevalent in chronic kidney disease (CKD). Although revascularization improves outcomes, procedural risks are increased in CKD and unbiased data comparing bypass surgery (CABG) and percutaneous intervention (PCI) in CKD are sparse. To compare outcomes of CABG and PCI in stage 3-5 CKD, we identified randomized trials comparing these procedures. Investigators were contacted to obtain individual, patient-level data. Ten of 27 trials meeting inclusion criteria provided data. These trials enrolled 3993 patients encompassing 526 patients with stage 3-5 CKD of which 137 were stage 3b-5 CKD. Among individuals with stage 3-5 CKD survival through 5-years was not different following CABG compared with PCI (hazard ratio 0.99, 95% confidence interval: 0.67, 1.46) or stage 3b-5 CKD (1.29: 0.68, 2.46). However, CKD modified the impact on survival free from myocardial infarction: it was not different between CABG and PCI for individuals with preserved kidney function (0.97: 0.80, 1.17), but was significantly lower following CABG in stage 3-5 CKD (0.49: 0.29, 0.82) and stage 3b-5 CKD (0.23: 0.09, 0.58). Repeat revascularization was reduced following CABG compared with PCI regardless of baseline kidney function. Results were limited by unavailability of data from several trials and paucity of enrolled patients with stage 4-5 CKD. Thus, our patient-level meta-analysis of individuals with CKD randomized to CABG versus PCI suggests that CABG significantly reduces the risk of subsequent myocardial infarction and revascularization without impacting survival in these patients.
In patients with multivessel CVD, the initial advantage for PCI with DES over CABG observed at 1 year was not apparent by 3 years. Furthermore, despite continued lower incidence of MACCE, initial advantage over BMS appeared to decrease with time. LST occurred more frequent in DES-treated patients.
This randomized, controlled, and unblinded study showed that the administration of oral rapamycin during 14 days after stent implantation significantly reduces angiographic and clinical parameters of restenosis.
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