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Revascularization treatment in patients with coronary artery disease.

ABSTRACT: The choice of optimal revascularization strategy in patients with coronary artery disease (CAD) is becoming more challenging lately, due to recent advances in percutaneous coronary intervention (PCI) and coronary artery bypass grafting surgery (CABG). On one hand, drug-eluting stents (DES) have emerged as a solution to the problem of restenosis after balloon angioplasty or bare-metal stent implantation, which was responsible for a higher rate of events (mainly repeat revascularization) in relation to CABG. On the other hand, off-pump bypass techniques and minimally invasive grafting of the left anterior descending artery appear to be safe and efficacious alternatives to traditional, on-pump CABG. Available literature includes studies outdated by current technologies, leaving the dilemma of best revascularization strategy unanswered in the general CAD population, but also in high-risk groups, such as diabetics and patients with chronic kidney disease. A number of ongoing trials, especially designed for this purpose, are set to end the debate, providing headto- head comparisons between DES-assisted PCI and contemporary bypass surgery.

SUBMITTER: Foussas SG

PROVIDER: S-EPMC2532965 | biostudies-other | 2008 Jan

REPOSITORIES: biostudies-other

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Revascularization treatment in patients with coronary artery disease.

Foussas S G SG Tsiaousis G Z GZ

Hippokratia 20080101 1

The choice of optimal revascularization strategy in patients with coronary artery disease (CAD) is becoming more challenging lately, due to recent advances in percutaneous coronary intervention (PCI) and coronary artery bypass grafting surgery (CABG). On one hand, drug-eluting stents (DES) have emerged as a solution to the problem of restenosis after balloon angioplasty or bare-metal stent implantation, which was responsible for a higher rate of events (mainly repeat revascularization) in relati ...[more]

PMID: 18923757

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Project description:AimsCoronary artery disease (CAD) is a common cause of heart failure (HF). It remains unclear who, when and why to direct towards coronary revascularization. The outcomes of coronary revascularization in HF patients are still a matter of debate nowadays. This study aims to evaluate the effect of revascularization strategy on all-cause of death in the context of ischaemic HF.Methods and resultsAn observational cohort was conducted on 692 consecutive patients who underwent coronary angiography at the University Hospital of Toulouse between January 2018 and December 2021 for either a recent diagnosis of HF or a decompensated chronic HF, and in whom coronary angiograms showed at least 50% obstructive coronary lesion. The study population was divided into two groups according to the performance or not of a coronary revascularization procedure. The living status (alive or dead) of each of the study's participants was observed by April 2022. Seventy-three per cent of the study population underwent coronary revascularization either by percutaneous coronary intervention (66.6%) or coronary artery bypass grafting (6.2%). Baseline characteristics including age, sex and cardiovascular risk factors did not differ between the invasive and conservative groups, respectively. Death occurred in 162 study participants resulting in an all-cause mortality rate of 23.5%; 26.7% of observed deaths have occurred in the conservative group versus 22.2% in the invasive group (P = 0.208). No difference in survival outcomes has been observed over a mean follow-up period of 2.5 years (P = 0.140) even after stratification by HF categories (P = 0.132) or revascularization modalities (P = 0.366).ConclusionsFindings from the present study showed comparable all-cause mortality rates between groups. Coronary revascularization does not modify short-term survival outcomes in HF patients compared with optimal medical therapy alone outside the setting of acute coronary syndrome.

Project description:Hybrid coronary revascularization (HCR) combines minimally invasive surgical coronary artery bypass grafting of the left anterior descending artery with percutaneous coronary intervention (PCI) of non-left anterior descending vessels. HCR is increasingly used to treat multivessel coronary artery disease that includes stenoses in the proximal left anterior descending artery and at least 1 other vessel, but its effectiveness has not been rigorously evaluated.This National Institutes of Health-funded, multicenter, observational study was conducted to explore the characteristics and outcomes of patients undergoing clinically indicated HCR and multivessel PCI for hybrid-eligible coronary artery disease, to inform the design of a confirmatory comparative effectiveness trial.Over 18 months, 200 HCR and 98 multivessel PCI patients were enrolled at 11 sites. The primary outcome was major adverse cardiac and cerebrovascular events (MACCE) (i.e., death, stroke, myocardial infarction, repeat revascularization) within 12 months post-intervention. Cox proportional hazards models were used to model time to first MACCE event. Propensity scores were used to balance the groups.Mean age was 64.2 ± 11.5 years, 25.5% of patients were female, 38.6% were diabetic, and 4.7% had previous stroke. Thirty-eight percent had 3-vessel coronary artery disease, and the mean SYNTAX (Synergy Between PCI With Taxus and Cardiac Surgery) score was 19.7 ± 9.6. Adjusted for baseline risk, MACCE rates were similar between groups within 12 months post-intervention (hazard ratio [HR]: 1.063; p = 0.80) and during a median 17.6 months of follow-up (HR: 0.868; p = 0.53).These observational data from this first multicenter study of HCR suggest that there is no significant difference in MACCE rates over 12 months between patients treated with multivessel PCI or HCR, an emerging modality. A randomized trial with long-term outcomes is needed to definitively compare the effectiveness of these 2 revascularization strategies. (Hybrid Revascularization Observational Study; NCT01121263).

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Revascularization treatment in patients with coronary artery disease.

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Revascularization treatment in patients with coronary artery disease.

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