Details

All SCI patients meeting inclusion criteria with scheduled polysomnography within the framework of usual care and referred to the sleep laboratory will be proposed to participate. These patients are usually recorded in a dedicated room within PMR units during a 3-day to one-week hospital stay. Information will be given to eligible patients to allow time for reflexion before written consent is collected during the inclusion visit (during the PMR hospitalization or at the sleep laboratory to carry out the night recording). Collection of clinical and demographic data will be performed by a PMR practitioner or sleep physician according to a predefined and standardized evaluation grid. After consent form signature patients willing to participate will undergo "before-sleep" measurement of: Leg fluid volume Neck circumference Neck volume Short questionnaire developed for the needs of the study. Then patients will undergo a full night polysomnography according to the American Academy of sleep Medicine (AASM) guidelines. The sleep recording will be carried out in a dedicated room within the spinal cord injury unit with the immediate proximity of a care team with specific competence in the field of the management of the heaviest patients (e.g: urinary catheterization, stool evacuation, pressure sore prevention, safe transfers, etc.). The reading of the polysomnography will be ensured by a doctor specialized in sleep pathologies without any knowledge of the different impedance measurements, circumference and cervical volume measurements. "After-sleep" measurement will be performed immediately after patients awakening (before any wheelchair transfer): Leg fluid volume Neck circumference Neck volume Short questionnaire developed for the needs of the study. In summary: Before going to bed and before getting up for the first time, each patient will benefit from a standardized evaluation by measuring bioelectrical impedance on the lower limbs, 3D cervical acquisition and measurement of the neck circumference. All of these measurements are non-invasive.