Why the study?
Does hypocapnia reduce cardiac output in patients undergoing anesthesia?
Does hypocapnia reduce cardiac output in patients undergoing anesthesia?
Hypocapnia during anesthesia is associated with decreased cardiac output compared to normocapnia.
Hypocapnia may reduce cardiac output during anesthesia; leaves open whether ventilation targets should change pending higher-level evidence.
Hemodynamic and blood gas studies were carried out during anesthesia and operation during hypocapnia and normocapnia in 9 patients. With-out exception, cardiac output was greater during normocapnia than during hypocapnia. The available evidence suggests the presence of decreased myocardial contracti
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Theye et al. (1966) studied this question.
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