Optical Monitoring With Near-Infrared Spectroscopy for Spinal Cord Injury Trial

Inclusion Criteria: * Male or female aged 17 years or older * Spinal injury between bony levels C3 and L1 inclusive * Motor complete acute traumatic SCI (AIS A or B) or motor incomplete SCI (AIS C) with a total lower extremity motor score of less than 5 * Blunt (non-penetrating) SCI requiring posterior laminectomy with stabilization/fusion surgery within 72 hours of injury * Able to communicate in English and provide informed consent Exclusion Criteria: * Isolated radiculopathy or cauda equina injury * Spinal cord impairment secondary to tumour, infection, epidural bleeding, or ischemia (in * Any condition or injury (e.g. Morel-Lavellee lesion) that would interfere with the application or readings of the NIRS sensor * Associated traumatic condition that would interfere with the informed consent process or outcome assessments (e.g. traumatic brain injury, pelvic, abdominal, or thoracic injuries) * Any other medical condition that, in the investigator's opinion, would render the protocol procedures dangerous * Female patients who are pregnant