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Updated: Jan 23, 2026

Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction
Published on: May 28, 2019
ST-segment elevation myocardial infarction
Birgit Vogel1, Bimmer E Claessen1, Suzanne V Arnold2,3
1The Zena and Michael A. Wiener Cardiovascular Institute, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
Insights
ST-segment elevation myocardial infarction (STEMI) is a critical heart attack caused by blocked arteries. Prompt diagnosis and reperfusion therapies like primary percutaneous coronary intervention significantly reduce mortality and complications.
Area of Science:
- Cardiology
- Vascular Medicine
- Emergency Medicine
Background:
- ST-segment elevation myocardial infarction (STEMI) is a severe form of coronary artery disease, leading to significant morbidity and mortality.
- Atherosclerotic plaque rupture causing thrombotic occlusion in epicardial coronary arteries is the primary cause of STEMI.
- Effective management hinges on rapid diagnosis and reperfusion to minimize myocardial damage and subsequent heart failure.
Purpose of the Study:
- To summarize current understanding and management strategies for STEMI.
- To highlight advancements in reperfusion therapies and their impact on patient outcomes.
- To underscore the ongoing need for research into STEMI pathophysiology and novel treatments.
Main Methods:
- Review of current medical literature and clinical guidelines on STEMI management.
- Analysis of the role of primary percutaneous coronary intervention (PCI) versus fibrinolysis.
- Examination of organizational strategies for timely reperfusion, such as cardiac catheterization networks and standardized procedures.
Main Results:
- Primary PCI is the preferred reperfusion strategy for STEMI when achievable within 120 minutes of diagnosis.
- Fibrinolysis serves as an alternative when timely PCI is not feasible.
- Improved systems of care and antithrombotic therapies have reduced STEMI mortality.
- Despite advances, a significant number of patients experience recurrent cardiovascular events post-STEMI.
Conclusions:
- Timely reperfusion therapy, particularly primary PCI, is crucial for improving outcomes in STEMI patients.
- Organizational improvements and new therapeutic approaches have decreased STEMI-related mortality.
- Further research into STEMI pathophysiology is essential for developing more effective treatment strategies and reducing long-term cardiovascular events.
Abstract:
ST-segment elevation myocardial infarction (STEMI) is the most acute manifestation of coronary artery disease and is associated with great morbidity and mortality. A complete thrombotic occlusion developing from an atherosclerotic plaque in an epicardial coronary vessel is the cause of STEMI in the majority of cases. Early diagnosis and immediate reperfusion are the most effective ways to limit myocardial ischaemia and infarct size and thereby reduce the risk of post-STEMI complications and heart failure. Primary percutaneous coronary intervention (PCI) has become the preferred reperfusion strategy in patients with STEMI; if PCI cannot be performed within 120 minutes of STEMI diagnosis, fibrinolysis therapy should be administered to dissolve the occluding thrombus. The initiation of networks to provide around-the-clock cardiac catheterization availability and the generation of standard operating procedures within hospital systems have helped to reduce the time to reperfusion therapy. Together with new advances in antithrombotic therapy and preventive measures, these developments have resulted in a decrease in mortality from STEMI. However, a substantial amount of patients still experience recurrent cardiovascular events after STEMI. New insights have been gained regarding the pathophysiology of STEMI and feed into the development of new treatment strategies.
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