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  • Title: [The effect of body respirator on the desaturation during the night in Duchenne muscular dystrophy].
    Author: Amitani H, Sakashita I, Jyounosono M, Kitajima I, Fukunaga H.
    Journal: Rinsho Shinkeigaku; 1989 Jul; 29(7):871-5. PubMed ID: 2805509.
    Abstract:
    Recently body respirator (BR) has been used to control respiratory failure in patients with late stage Duchenne muscular dystrophy (DMD). We examined the effect of BR using a pulse oximeter. Arterial oxygen saturation (SaO2) for the night (21:00-7:00) was monitored in 15 DMD patients (5 cases without BR, 3 cases with BR partially for the night and 6 cases with BR all night long) and the desaturation (SaO2 less than 90%) time was followed three times (Jan. '87, Nov. '87, Apr. '88) in each patient. Desaturation time did not increase in 4 cases without BR. But in one case without BR it increased so much that we decided to put the patient on BR. In 3 cases with BR partially for the night, desaturation was well controlled when they used BR. No marked increase of desaturation was found in 4 cases with BR all night long. 2 of these cases were changed from cuirass type BR to jacket type BR and were getting on satisfactorily. Thoracic cage expansion of jacket type was larger than that of cuirass type, and it was found that jacket type was valuable. Also, we investigated the cause of desaturation by recording SaO2, nasal flow, thoracic cage motion and abdominal motion at the same time by making use of a polygraphy. The result showed that the main cause of desaturation was the resistance of thoracic cage motion against BR. And we think research and development is needed.
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