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KMID : 0356919930260061225
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Korean Journal of Anesthesiology
1993 Volume.26 No. 6 p.1225 ~ p.1231
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The Comparison of Blood Pressure and Heart Rate Changes with Extubation of the Endotracheal Tube and the Laryngeal Mask Airway
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Abstract
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When the endotracheal tube is removed, blood pressure elevates and heart rate increases.
In order to evaluate the hemodynamic changes after removal of a new developed devicelaryngeal mask airway, we measured the change of the systolic & diastolic blood pressure and heart rate of 120 patients undergoing general anesthesia.
The results were elevation of blood pressure and heart rate extubation or removal on both groups immediately.
But the degree of changes were 18.7±1.6% in the endotracheal tube groups and 12.3±1.4% in the laryngeal mask airway groups in systolic blood pressure respectively. Therefore the degree of changes of the laryngeal mask airway groups was
significantly
small(P<0.05).
The comparison of the change of diastolic blood pressure was not significant.
The degree of the change in heart rate was 19.6±2.8% in the endotracheal tube groups and 9.2±2.2% in the laryngeal mask airway groups. Therefore the degree of the change in blood pressure and heart rate of the laryngeal mask airway groups was
significantly small (P<0.05).
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