Awake Prone Positioning for Severe Acute Chest Syndrome

"* APP are realized following the diagnosis of ACS~* Prone positioning or supine positioning are performed under supervision of a physician or a nurse~* Maximum session duration: 16 hours per day~* Sessions of prone positioning can be shortened, if necessary (30 minutes minimum), for better tolerance~* Tolerance of prone positioning is assessed by the physician in charge and sessions and may be stopped in case of poor tolerance"