Why the study?
Does chronic heart failure alter muscle microvascular O2 pressure dynamics during contractions in a rat model?
Population
23 female Sprague-Dawley rats, 6 to 10 weeks post myocardial infarction or sham operation. MI rats were…
Comparison
Induction of chronic heart failure via… vs Sham-operated rats.
Design
Preclinical
Follow-up
6 to 10 weeks
Authors
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Hypothesis-generating for severity-specific microvascular O2 kinetics in CHF; requires human studies before clinical relevance.
Does chronic heart failure alter muscle microvascular O2 pressure dynamics during contractions in a rat model?
In a rat model, chronic heart failure alters the dynamic matching of muscle oxygen utilization to delivery during contractions, with the nature of the perturbation depending on the severity of cardiac dysfunction.
E Diederich (2002) studied this question.
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