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biphasic cuirass ventilation : ウィキペディア英語版
biphasic cuirass ventilation
Biphasic cuirass ventilation (BCV) is a non-invasive method of negative pressure ventilation which requires the patient to wear an upper body shell or cuirass.
Biphasic cuirass ventilation was developed by Zamir Hayek, a pioneer in the field of assisted ventilation. Some of Hayek's previous inventions include the Hayek Oscillator, an early form of the technology.
As the ventilation provided by the cuirass is biphasic, it is possible to achieve both normal breathing (tidal volumes) and a high respiratory rate (from 6 to 12 breaths per minute). The biphasic function allows control over the I:E ratio, which is the ratio between the time allowed for inspiration (pumping air out of the cuirass and creating a negative pressure around the chest) and expiration (pumping air into the cuirass and creating an increase in pressure around the chest.) Most other types of ventilation depend on the passive recoil of the patient's chest, which limits the respiratory rate.
==Uses==
BCV has been successfully used on patients with:
* Acute respiratory failure
* Chronic obstructive pulmonary disease (COPD)
* Neuromuscular (e.g., SMA, Duchennes, etc.)
* Head and spinal injuries
* Problems with weaning from positive pressure ventilation (PPV)
* Ventilation during anesthesia in ear, nose, and throat (ENT) procedures
* Cystic fibrosis (CF), and those who require physiotherapy
* AIDS related lung disease
* Asthma
* Ventilation post-operation (e.g., post-coronary bypass, Fontan, Fallot, post-pneumonectomy)
* Ondine's curse

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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