Why the study?
Does the duration of ischemia affect the rate and extent of myocardial functional recovery after reperfusion in isolated rat hearts?
Population
Isolated rat hearts perfused with blood from a support animal (n=6 per group).
Comparison
Global ischemia for 10, 20, 30, 40, 50, 60, 70… vs Different durations of ischemia compared to each…
Design
Preclinical
Follow-up
60 minutes of reperfusion
Authors
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Biphasic recovery patterns after varying ischemia durations warrant mechanistic studies in larger models; should not yet influence clinical reperfusion strategies.
Does the duration of ischemia affect the rate and extent of myocardial functional recovery after reperfusion in isolated rat hearts?
In an isolated rat heart model, early transient functional recovery after reperfusion follows a bell-shaped curve relative to ischemia duration, while late recovery is inversely proportional to the duration of preceding ischemia.
Manché et al. (1995) studied this question.
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