Why the study?
Does naloxone reverse the reduction in centroid frequency of the diaphragm EMG caused by inspiratory loading in unanesthetized goats?
Population
Unanesthetized goats
Comparison
Naloxone 0.1 mg/kg administered after 180… vs Baseline
Design
Preclinical
Follow-up
180 minutes of IRL followed by naloxone administration
Authors
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Suggests opioid involvement in load-induced diaphragm changes in goats; extends animal evidence but leaves open human relevance.
Does naloxone reverse the reduction in centroid frequency of the diaphragm EMG caused by inspiratory loading in unanesthetized goats?
The reversibility of diaphragm EMG spectral shifts with naloxone suggests a central mechanism mediated by endogenous opioids rather than peripheral muscle fatigue during inspiratory loading.
Petrozzino et al. (1990) studied this question.
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