| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2017: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2015: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Outline of Final Research Achievements |
Apneic oxygenation is a ventilation method in the open-airway phase of tracheal surgery. This method provides adequate oxygenation, but has the disadvantage of causing progressive hypercapnia. In order to repress hypercapnia, we developed a Y-shaped catheter that can be located in the tips of both bronchi. We conducted experimental study with a canine tracheal resection and reconstruction surgery model to evaluate the efficacy of a Y-shaped catheter. Ventilation during open airway phase was maintained with small catheter as apneic oxygenation for 30 minutes until the end of tracheal reconstruction. Apneic oxygenation using a Y-shaped catheter significantly repressed the accumulation of carbon dioxide compared with the straight catheter. This result showed the possibility of clinical application of Y-shaped catheter.
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