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KMID : 0361420160400050955
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Journal of Korean Academy of Rehabilitation Medicine
2016 Volume.40 No. 5 p.955 ~ p.958
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Development of a Novel Alarm System to Improve Adaptation to Non-invasive Ventilation in Patients With High Cervical Spinal Cord Injury
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Kim Sang-Hun
Shin Yong-Beom
Jang Myung-Hun
Kim Soo-Yeon
Ro Jung-Hoon
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Abstract
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In this case report, we want to introduce a successful way of applying non-invasive ventilation (NIV) with a full face mask in patients with high cervical spinal cord injury through a novel alarm system for communication. A 57-year-old man was diagnosed with C3 American Spinal Injury Association impairment scale (AIS) B. We applied NIV for treatment of hypercapnia. Because of mouth opening during sleep, a full face mask was the only way to use NIV. However, he could not take off the mask by himself, and this situation caused great fear. To solve this problem, we designed a novel alarm system. The best intended motion of the patient was neck rotation. Sensing was performed by a balloon sensor placed under the head of the patient. A beep sound was generated whenever the pressure was above the threshold, and more than three consecutive beeps within 3,000 ms created a loud alarm for caregivers.
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KEYWORD
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Noninvasive ventilation, Spinal cord injuries, Hypercapnia
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