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When to Achieve Complete Revascularization in Infarct-Related Cardiogenic Shock
Giulia Masiero1, Francesco Cardaioli1, Giulio Rodinò1
1Department of Cardiac, Thoracic, Vascular Sciences and Public Health, University of Padua Medical School, Via Giustiniani 2, 35128 Padova, Italy.
Insights
Optimal treatment for acute myocardial infarction (AMI) with cardiogenic shock (CS) involves revascularization and mechanical circulatory support (MCS). Early MCS implantation and coordinated shock teams improve survival in multivessel coronary artery disease (CAD) patients.
Area of Science:
- Cardiology
- Interventional Cardiology
- Critical Care Medicine
Background:
- Acute myocardial infarction (AMI) with cardiogenic shock (CS) carries a high mortality rate, even with prompt percutaneous coronary intervention (PCI).
- Multivessel coronary artery disease (CAD) complicates AMI-CS, necessitating optimal revascularization strategies.
- Current guidelines suggest culprit lesion-only (CLO) revascularization for AMI-CS, but evidence is limited and conflicting.
Purpose of the Study:
- To review current evidence on optimal revascularization strategies for multivessel CAD in AMI-CS.
- To assess the role of mechanical circulatory support (MCS) devices in managing AMI-CS.
- To emphasize the importance of shock teams and healthcare networks in improving outcomes.
Main Methods:
- Comprehensive review of existing literature on AMI-CS, multivessel CAD, revascularization strategies, and MCS devices.
- Analysis of randomized controlled trials and non-randomized studies.
- Evaluation of the impact of early MCS implantation and integrated care models.
Main Results:
- Despite advances, mortality in AMI-CS remains high.
- CLO revascularization is suggested but debated in AMI-CS.
- Early MCS implantation is crucial before irreversible organ damage occurs.
- Integrated care involving shock teams and healthcare networks is vital.
Conclusions:
- Optimal management of AMI-CS with multivessel CAD requires a tailored revascularization approach.
- Early and appropriate use of MCS devices can significantly improve survival.
- Multidisciplinary shock teams and robust healthcare networks are essential for effective patient care and improved clinical outcomes.
Abstract:
Acute myocardial infarction (AMI) complicated by cardiogenic shock (CS) is a life-threatening condition frequently encountered in patients with multivessel coronary artery disease (CAD). Despite prompt revascularization, in particular, percutaneous coronary intervention (PCI), and therapeutic and technological advances, the mortality rate for patients with CS related to AMI remains unacceptably high. Differently form a hemodynamically stable setting, a culprit lesion-only (CLO) revascularization strategy is currently suggested for AMI-CS patients, based on the results of recent randomized evidence burdened by several limitations and conflicting results from non-randomized studies. Furthermore, mechanical circulatory support (MCS) devices have emerged as a key therapeutic option in CS, especially in the case of their early implantation without delaying revascularization and before irreversible organ damage has occurred. We provide an in-depth review of the current evidence on optimal revascularization strategies of multivessel CAD in infarct-related CS, assessing the role of different types of MCS devices and highlighting the importance of shock teams and medical care system networks to effectively impact on clinical outcomes.
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