| Effects of Isoflurane on Hypoxic Pulmonary Vasocontriction in Human during One Lung Ventilation. |
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Na Kyung Lee, Han Suk Park, Chan Jong Chung, Young Jhoon Chin |
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Department of Anesthesiology, College of Medicine, Dong-A University, Pusan, Korea. |
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| Abstract |
BACKGROUND
AMBU bag is a useful equipment in the cardiopulmonary resuscitation(CPR) and respiratory therapy.
The volume delivered during ventilation with AMBU bag may be influenced by many factors.
METHOD
We evaluated the effects of ventilation method(one-hand, open-palm, two-hand) and resuscitator's sex on volume in 30 intubated patients under general anesthesia with inhalational anesthetics and muscle relaxants.
RESULTS
Mean tidal volume was significantly greater with two-hand method than one-hand and open-palm method in both sex. PaO2 was significantly decreased in all ventilation methods. PaCO2 was also decreased and pH was increased in all methods.
CONCLUSION
The results suggest that all ventilation methods with AMBU bag in intubated patients may suitable in the CPR.
If airway management by intubation is impossible and mask ventilation, two-hand method may be effective in both resuscitator but open-palm method may not suitable to female resuscitator. |
| Key Words:
Ventilation; Ambu bag; tidal volume; resuscitation |
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