• Y Shichinohe, Y Ujike, M Kurihara, S Yamamoto, K Oota, M Tsukamoto, H Imaizumi, and M Kaneko.
• Division of Critical Care Medicine, Sapporo Medical College.
• Kokyu To Junkan. 1991 Jan 1;39(1):51-5.

AbstractDiffuse atelectasis often occurs in the dorsal region of the lung of critically ill patients under long term mechanical ventilation. Conventional physical therapies (ex. PEEP, Sigh) have little effect on diffuse dorsal atelectasis. We provided respiratory care with prone position for 7 patients with severe respiratory distress (Two patients were treated twice). Improvement of their Respiratory Indexes (RI, mean 2.97) was obtained in the prone position for 6-163 (mean 35.8) hours. Ventilation efficiency also improved. Static lung compliance didn't change. It was assumed that the prone position was the factor responsible for the improvement of pulmonary V/Q ratio, the change of movement pattern of the diaphragm, and the ease of postural drainage of sputum. There were no complications. We conclude that prone position respiratory care has high utility for critically ill patients with diffuse dorsal atelectasis.

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