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Evidence that stunning can be cumulative in man
C Aldo Rinaldi1, Roger J C Hall
1Guys and St. Thomas' NHS Trust, Faculty of Medicine, Imperial College of Science, Technology and Medicine, Hammersmith Hospital, London, UK. c.a.rinaldi@btinternet.com
Heart Failure Reviews
|May 27, 2003
Summary
Myocardial stunning, a reversible cause of left ventricular dysfunction, may occur cumulatively in humans. This cumulative stunning might explain myocardial hibernation, offering hope for recovery of heart function.
Area of Science:
- Cardiology
- Cardiovascular Physiology
Background:
- Myocardial stunning and hibernation are key causes of reversible left ventricular dysfunction.
- Previously, resting myocardial dysfunction was considered irreversible, but it can recover with reduced ischemia.
- Emerging evidence suggests cumulative stunning may underlie myocardial hibernation in humans.
Purpose of the Study:
- To review the evidence for cumulative myocardial stunning in humans.
- To explore the relationship between cumulative stunning and myocardial hibernation.
Main Methods:
- Review of recent scientific evidence and clinical observations.
- Analysis of studies investigating myocardial dysfunction and recovery.
Main Results:
- Cumulative myocardial stunning is a plausible phenomenon in humans.
- This cumulative effect may be the mechanism behind myocardial hibernation.
Conclusions:
- Myocardial stunning can occur repeatedly, leading to a cumulative effect.
- Understanding cumulative stunning is crucial for managing reversible left ventricular dysfunction and potentially treating hibernation.