Prone positioning

Prone positioning is used to treat patients with acute respiratory distress syndrome (ARDS) to improve gas exchange.

A number of theories have been proposed to explain why the prone position helps. These theories include: reduction in compression atelectasis of dependent lung regions (temporary), reduction in chest wall compliance increasing intrathoracic pressure and alveolar recruitment, better regional diaphragmatic movement, better V/Q matching, improved secretion clearance and less alveolar distension leading to better oxygenation.

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