Surgical revascularisation of the acute coronary artery syndrome
Marco Moscarelli1, Leanne Harling, Saina Attaran
1Department of Surgery and Cancer, Imperial College London, London, UK.
Insights
Coronary artery bypass grafting (CABG) offers good outcomes for acute coronary syndrome (ACS) patients, especially with NSTEMI and triple vessel disease. Early referral to a heart team improves risk stratification and intervention, reducing morbidity and mortality.
Area of Science:
- Cardiology
- Cardiac Surgery
Background:
- Current guidelines offer limited direction on coronary artery bypass grafting (CABG) for acute coronary syndrome (ACS).
- ACS encompasses diverse presentations, from non-ST-elevation myocardial infarction (NSTEMI) to cardiogenic shock.
Purpose of the Study:
- To clarify the specific indications for CABG in acute coronary syndrome patients.
- To evaluate the role of CABG versus percutaneous coronary intervention (PCI) in specific ACS subgroups.
Main Methods:
- Review of current literature and guidelines regarding CABG in ACS.
- Analysis of patient subgroups where CABG may be preferred over PCI, such as those with triple vessel disease.
Main Results:
- CABG demonstrates low mortality and excellent outcomes, particularly for NSTEMI patients.
- Off-pump or on-pump beating heart techniques enhance CABG feasibility and outcomes.
- Triple vessel disease is a key indication for considering CABG over PCI in ACS.
Conclusions:
- Timely referral to a 'heart team' at a tertiary center is crucial for ACS patients.
- Risk stratification and expert consensus-driven intervention improve outcomes for ACS patients undergoing CABG.
- CABG is a viable and effective revascularization strategy for selected ACS patients.
Abstract:
Although the European Society of Cardiology and American Heart Association/American College of Cardiology guidelines provide some suggestions regarding coronary artery bypass grafting (CABG) in the acute coronary syndrome (ACS), the exact indications for surgery in this diverse spectrum of disease requires further clarification. ACS may present with different scenarios, from NSTEMI to cardiogenic shock. Primary percutaneous coronary intervention is the first-line treatment in most cases; however, there may be a subgroup of ACS patients in whom CABG may be preferred over percutaneous coronary intervention, particularly in the setting of triple vessel disease. CABG can be performed with reasonably low mortality and excellent outcome, particularly in the case of NSTEMI. Furthermore, off-pump or on-pump beating heart techniques may further improve the feasibility and outcomes of CABG. Where possible every patient should be immediately referred to a tertiary centre and evaluated by the 'heart team'. Here risk stratification and intervention according to the expert consensus may be rapidly implemented in order to improve both morbidity and mortality.
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