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Updated: Jun 23, 2026
05:26
Postconditioning with Lactate-enriched Blood for Cardioprotection in ST-segment Elevation Myocardial Infarction
Published on: May 28, 2019
Protective ischaemia in patients: preconditioning and postconditioning.
Asger Granfeldt1, David J Lefer, Jakob Vinten-Johansen
1Department of Anesthesiology and Critical Care, Aarhus University, Aarhus, Denmark.
Cardiovascular Research
|April 29, 2009
Summary
Stimulating the heart's innate survival mechanisms through preconditioning or postconditioning (Postcon) can limit infarct size. These strategies, involving short ischemia and reperfusion intervals, enhance cardiomyocyte survival and reduce injury, showing clinical therapeutic potential.
Area of Science:
- Cardiovascular Physiology
- Myocardial Ischemia and Reperfusion Injury
Background:
- Infarct size is a critical determinant of myocardial damage and function.
- Reperfusion therapy is essential for limiting infarct size and restoring cardiac function.
- The heart possesses innate survival mechanisms that can be stimulated by transient ischemia and reperfusion.
Purpose of the Study:
- To review preclinical physiological data on preconditioning and postconditioning (Postcon).
- To assess the relevance of these cardioprotective strategies for clinical therapeutics.
- To highlight the potential of preconditioning and Postcon in reducing infarct size and post-ischemic injury.
Main Methods:
- Review of physiological and preclinical data on ischemic preconditioning.
- Analysis of data on postconditioning (Postcon) protocols.
- Evaluation of the translation of these methods to clinical settings.
Main Results:
- Preconditioning, involving transient ischemia/reperfusion before an index event, activates molecular pathways for enhanced cardiomyocyte survival.
- Postconditioning (Postcon), applied at reperfusion onset, also provides significant cardioprotection.
- Both preconditioning and Postcon have demonstrated success in clinical settings, reducing infarct size and post-ischemic injury.
Conclusions:
- Preconditioning and Postcon are effective strategies for limiting infarct size and myocardial injury.
- These ischemic-reperfusion protocols stimulate innate cardioprotective mechanisms.
- The data support the clinical translation of preconditioning and Postcon as therapeutic interventions.
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