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New insights into cardiogenic shock and coronary revascularization after acute myocardial infarction
Edouard Gerbaud1, Meyer Elbaz2, Benoit Lattuca3
1Cardiology Intensive Care Unit and Interventional Cardiology, Hôpital Cardiologique du Haut Lévêque, 33600 Pessac, France; Bordeaux Cardio-Thoracic Research Centre, U1045, Bordeaux University, 33000 Bordeaux, France.
Insights
Cardiogenic shock (CS) following heart attack requires prompt coronary revascularization for better outcomes. This review details optimal strategies for revascularizing CS patients, addressing knowledge gaps in treatment.
Area of Science:
- Cardiology
- Interventional Cardiology
Background:
- Cardiogenic shock (CS) complicating acute myocardial infarction (AMI) has high mortality rates.
- Coronary revascularization is crucial for improving prognosis in CS patients.
- Despite advances, significant knowledge gaps persist regarding optimal revascularization strategies for CS.
Purpose of the Study:
- To review current principles and address knowledge gaps in the coronary revascularization of patients with cardiogenic shock.
- To focus on key management considerations including timing, access, revascularization strategy, antithrombotic therapy, hemodynamic support, and care networks.
Main Methods:
- This is a review article synthesizing current knowledge and expert opinion.
- It focuses on critical aspects of managing CS complicating AMI.
Main Results:
- Optimal management involves a systematic, protocol-driven approach.
- Key considerations include timely transfer and revascularization, appropriate vascular access, complete vs. culprit lesion revascularization, antithrombotic choices, hemodynamic support strategies, and integrated care networks.
Conclusions:
- While advances have been made, optimal coronary revascularization for CS remains an area requiring further research and standardization.
- A multidisciplinary, network-based approach is essential for improving outcomes in these high-risk patients.
Abstract:
Cardiogenic shock complicating acute myocardial infarction is challenging, and continues to be associated with high rates of in-hospital and long-term mortality. Coronary revascularization is critical for improving prognosis in CS. Thus, a systematic protocol-driven approach to cardiogenic shock, the development of specialized cardiac care centres, technical advances in interventional cardiology enabling treatment of more complex and severe lesions, the availability of recent antithrombotic therapies and the evolution of new haemodynamic support devices are important considerations in current management of cardiogenic shock complicating acute ischaemic heart disease. Despite these potentially meaningful developments, several substantial gaps in knowledge still exist regarding optimal coronary revascularization of patients with cardiogenic shock. This review will describe current principles in the revascularization of these patients, with a focus on: the time to transfer and revascularize; the choice of vascular access site; the need for complete revascularization or only a culprit lesion strategy; the optimal antithrombotic therapy; the type, place and timing of haemodynamic support; and the medical care system network.
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