Functional electrical stimulation: restoration of respiratory function.

Tetraplegia can lead to chronic respiratory failure. The need for tracheostomy mechanical ventilation significantly increases the cost of care, decreases the quality of life of the patient, and decreases life expectancy in spinal cord injury (SCI) because of pneumonias. Phrenic nerve stimulation was initially developed in the 1960s and diaphragm pacing was developed in the 1990s; both have the ability to remove a patient from positive pressure ventilation and allow them to breathe with their own diaphragm, decreasing posterior lung lobe atelectasis and pneumonia risk. This chapter summarizes the current surgical techniques, ventilator weaning options, and long-term results of functional electrical stimulation in restoring respiratory function.
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