Effects of Different I:E Ratio on Intrapulmonary Shunt Fraction and Oxygenation During One Lung Ventilation in the Lateral Decubitus Position

Increasing inspiratory time(e.g. Inverse ratio ventilation) has been known that had advantage of alveolar recruitment, preventing of ateletasis. On the contrary, it has disadvantange of intrinsic PEEP, air trapping. There is few study on one lung ventilation in lateral decubitus position about this ventilation method. We were going to investigate effecf of this ventilation method.