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In a randomized trial, over 1900 patients with left main coronary artery disease were assigned to percutaneous coronary intervention or coronary-artery bypass grafting. At 3 years, PCI was noninferior to CABG with respect to the rate of death, stroke, or myocardial infarction. Left main coronary artery disease is associated with high morbidity and mortality owing to the large amount of myocardium at risk. European and U.S. guidelines recommend that most patients with left main coronary artery disease undergo coronary-artery bypass grafting (CABG). 1 , 2 Randomized trials have suggested that percutaneous coronary intervention (PCI) with drug-eluting stents might be an acceptable alternative for selected patients with left main coronary disease. 3 – 5 Specifically, in the subgroup of patients with left main coronary disease in the Synergy between PCI with Taxus and Cardiac Surgery (SYNTAX) trial, the rate of a composite of death, stroke, myocardial infarction, . . .

BackgroundIntravascular ultrasound (IVUS)-guided percutaneous coronary intervention (PCI) has been shown to improve outcomes in complex coronary artery disease compared with angiography-guided PCI. However, long-term comparisons between IVUS-guided PCI and coronary artery bypass grafting (CABG) for multivessel disease (MVD) remain limited.MethodsThis post hoc analysis of the Bypass Surgery and Everolimus-Eluting Stent Implantation in the Treatment Extended Follow-up study included 880 patients with MVD, excluding 15 patients who received medical therapy. Patients were categorised into IVUS-guided PCI (n=333), angiography-guided PCI (n=131) and CABG (n=401). The primary endpoint was the composite of death, myocardial infarction (MI) or target-vessel revascularisation over a median follow-up of 11.8 years.ResultsThe IVUS-guided PCI group showed no difference in the primary endpoint compared with CABG (adjusted HR 1.013; 95% CI 0.747 to 1.374; p=0.93). In contrast, angiography-guided PCI was associated with a higher risk of clinical events (adjusted HR 2.231; 95% CI 1.582 to 3.145; p<0.001). The safety endpoint (composite of death, MI and stroke) did not differ between IVUS-guided PCI and CABG (adjusted HR 0.845; 95% CI 0.605 to 1.181; p=0.324), while angiography-guided PCI was associated with a higher risk (adjusted HR 2.016; 95% CI 1.405 to 2.895; p<0.001). Both PCI groups had higher rates of repeat revascularisation compared with CABG.ConclusionsIVUS-guided PCI demonstrated comparable long-term outcomes to CABG in terms of mortality and safety endpoints, supporting its use in the treatment of MVD. These findings highlight the potential benefits of IVUS guidance in complex PCI procedures.Trial registration numbers NCT05125367 and NCT00997828.

A total of 2203 patients at 18 medical centers were randomly assigned to undergo on-pump or off-pump CABG. Mortality at 5 years was significantly lower with on-pump CABG than with off-pump CABG. No secondary outcomes indicated a benefit of off-pump surgery.

In a randomized trial involving patients with a low LVEF and viable myocardium who received optimal medical therapy, PCI did not lead to a lower incidence of death or hospitalization for heart failure.

After 5 years of follow-up in this trial, the rates of the composite outcome of death, stroke, myocardial infarction, renal failure, or repeat revascularization were similar with off-pump and on-pump CABG. There was also no significant difference in cost or in quality of life. Coronary-artery bypass grafting (CABG) reduces the risk of death in patients with extensive coronary artery disease. 1 CABG is usually performed with the use of a cardiopulmonary bypass (on-pump CABG). With this approach, perioperative mortality is approximately 2%, with an additional 5 to 9% of patients having myocardial infarction, stroke, or renal failure requiring dialysis. The technique of performing CABG on a beating heart (off-pump CABG) was developed to decrease the risk of perioperative complications and to improve long-term outcomes; some complications, both perioperative and long term, may be related to the use of cardiopulmonary bypass and to cross-clamping of the . . .

The Synergy between PCI with Taxus and Cardiac Surgery (SYNTAX) trial was a non-inferiority trial that compared percutaneous coronary intervention (PCI) using first-generation paclitaxel-eluting stents with coronary artery bypass grafting (CABG) in patients with de-novo three-vessel and left main coronary artery disease, and reported results up to 5 years. We now report 10-year all-cause death results. The SYNTAX Extended Survival (SYNTAXES) study is an investigator-driven extension of follow-up of a multicentre, randomised controlled trial done in 85 hospitals across 18 North American and European countries. Patients with de-novo three-vessel and left main coronary artery disease were randomly assigned (1:1) to the PCI group or CABG group. Patients with a history of PCI or CABG, acute myocardial infarction, or an indication for concomitant cardiac surgery were excluded. The primary endpoint of the SYNTAXES study was 10-year all-cause death, which was assessed according to the intention-to-treat principle. Prespecified subgroup analyses were performed according to the presence or absence of left main coronary artery disease and diabetes, and according to coronary complexity defined by core laboratory SYNTAX score tertiles. This study is registered with ClinicalTrials.gov, NCT03417050. From March, 2005, to April, 2007, 1800 patients were randomly assigned to the PCI (n=903) or CABG (n=897) group. Vital status information at 10 years was complete for 841 (93%) patients in the PCI group and 848 (95%) patients in the CABG group. At 10 years, 248 (28%) patients had died after PCI and 212 (24%) after CABG (hazard ratio 1·19 [95% CI 0·99–1·43], p=0·066). Among patients with three-vessel disease, 153 (28%) of 546 had died after PCI versus 114 (21%) of 549 after CABG (hazard ratio 1·42 [95% CI 1·11–1·81]), and among patients with left main coronary artery disease, 95 (27%) of 357 had died after PCI versus 98 (28%) of 348 after CABG (0·92 [0·69–1·22], pinteraction=0·023). There was no treatment-by-subgroup interaction with diabetes (pinteraction=0·60) and no linear trend across SYNTAX score tertiles (ptrend=0·20). At 10 years, no significant difference existed in all-cause death between PCI using first-generation paclitaxel-eluting stents and CABG. However, CABG provided a significant survival benefit in patients with three-vessel disease, but not in patients with left main coronary artery disease. German Foundation of Heart Research (SYNTAXES study, 5–10-year follow-up) and Boston Scientific Corporation (SYNTAX study, 0–5-year follow-up).

In a randomized trial, 1905 patients with left main coronary artery disease were assigned to either percutaneous coronary intervention (PCI) or coronary-artery bypass grafting (CABG). At 5 years, the rates of the composite of death, stroke, or myocardial infarction were not significantly different between the two groups.

In a randomized trial, 3102 patients undergoing CABG were assigned to receive bilateral or single internal-thoracic-artery grafts. There was no significant between-group difference in all-cause mortality at 10 years.

In this large randomized trial (SYNTAX), patients with three-vessel or left main coronary artery disease were randomly assigned to undergo revascularization by means of either percutaneous coronary intervention (PCI) involving drug-eluting stents or coronary-artery bypass grafting (CABG). The need for repeat revascularization was lower, but the risk of stroke was higher, with CABG than with PCI. This tradeoff needs to be considered in making decisions about the treatment of patients with advanced coronary disease. Patients with severe coronary artery disease were randomly assigned to undergo revascularization by means of either percutaneous coronary intervention (PCI) or coronary-artery bypass grafting (CABG). The need for repeat revascularization was lower, but the risk of stroke was higher, with CABG than with PCI. Coronary-artery bypass grafting (CABG) was introduced in 1968 and rapidly became the standard of care for symptomatic patients with coronary artery disease. 1 Advances in coronary surgery (e.g., off-pump CABG, smaller incisions, enhanced myocardial preservation, use of arterial conduits, and improved postoperative care) have reduced morbidity, mortality, and rates of graft occlusion. 2 – 6 Percutaneous coronary intervention (PCI) was introduced in 1977. 7 Experience with this approach, coupled with improved technology, has made it possible to treat increasingly complex lesions and patients with a history of clinically significant cardiac disease, risk factors for coronary artery disease, coexisting conditions, or anatomical risk factors. 8 , . . .

In a randomized trial of imaging-guided or angiography-guided PCI for complex coronary lesion revascularization procedures, imaging-guided PCI led to a lower risk of target-vessel failure than angiography-guided PCI.