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pubmed:abstractText |
The effects of a halothane/oxygen combination on the cardiopulmonary function of 11 healthy cats were studied. Test parameters included cardiac output, measured via thermo-dilution, heart rate, respiratory rate, arterial blood pressure (systolic, diastolic and mean) and blood gas analysis. Values for systemic vascular resistance, cardiac index and stroke volume were calculated from these data. Cardiac output, cardiac index, heart rate, stroke volume, arterial blood pressure (systolic, diastolic and mean) and arterial blood pH were significantly decreased (p less than 0.001). Respiratory rate was also significantly decreased (p less than 0.007) with arterial CO2 tension being significantly increased (p less than 0.001). Statistically significant changes, where seen, persisted for the duration of the anesthetic period. Arterial O2 tension and systemic vascular resistance remained unchanged. All parameters returned to near pretest values within 30 minutes following cessation of halothane anesthesia.
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