Why the study?
Does increased blood O2 affinity and anemia alter cardiac output and its distribution in conscious sedated rats?
Population
Conscious sedated rats
Comparison
Exchange transfusion with low-P50 blood, anemia… vs Exchange transfusion with normal blood (controls)
Design
Preclinical
Authors
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Suggests compensatory coronary and cerebral hyperperfusion with left-shifted O2 affinity in anemia; leaves open human relevance from rat data.
Does increased blood O2 affinity and anemia alter cardiac output and its distribution in conscious sedated rats?
A left shift of the O2 dissociation curve induces increased blood flow to the brain and heart, likely as a compensatory mechanism for decreased tissue O2 pressure.
Woodson et al. (1982) studied this question.
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