Comparing CPAP and BiPAP for Sleep-Disordered Breathing in People with Cervical Spinal Cord Injuries

Participants randomized to this group will receive auto-CPAP therapy. The device will be initiated by a respiratory therapist at GF Strong Rehabilitation Centre. Settings will be adjusted to achieve a device efficacy index \< 5 events per hour.

Participants will receive BiPAP S mode therapy for 4 weeks. The device will be initiated by a respiratory therapist at GF Strong Rehabilitation Centre with initial settings of IPAP 8 cmH2O and EPAP 3 cmH2O. Settings will be modified to a maximum tolerated level to achieve a tidal volume of 8 mL/kg ideal body weight and SpO2 \> 95%. Overnight oximetry will be performed to ensure at least 4 hours of device use, and settings will be adjusted to achieve a DEI \< 5 events per hour.