Diaphragmatic pacing is a treatment that improves breathing for people who rely on a mechanical ventilator. It stimulates the phrenic nerve, the nerve in your neck that sends signals to your diaphragm ...

A high cervical spinal cord injury (SCI) is an injury in the upper neck between the first and fourth cervical vertebrae (C1 to C4). SCIs can damage the phrenic nerve that controls the diaphragm (the ...

This section describes safety outcomes from the published literature that the Committee considered as part of the evidence about this procedure. For more detailed information on the evidence, see the ...