Assisted ventilation. 5. Non-invasive and domiciliary ventilation: negative pressure techniques.
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منابع مشابه
Assisted ventilation. 5. Non-invasive and domiciliary ventilation: negative pressure techniques.
Historical development Negative pressure ventilation first came into use during the second half of the nineteenth century. It was recognised that air would be drawn into the lungs through the mouth and nose if a subatmospheric pressure could be developed around the thorax and abdomen. When the pressure around the -chest wall returned to that of the ambient air, expiration occurred passively owi...
متن کاملAssisted ventilation 6. Non-invasive and domiciliary ventilation: positive pressure techniques.
Intermittent positive pressure ventilation through an endotracheal or tracheostomy tube has been the mainstay of respiratory assistance for several decades. Some patients have been discharged home with a positive pressure device and tracheostomy but the number treated by these means in Britain has always been small.' Securing adequate gas exchange is usually easy and differs very little from th...
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Chronic obstructive pulmonary disease (COPD) is the commonest indication for domiciliary non-invasive ventilation (NIV) in Europe. However, there is a paucity of evidence to support its use. A number of short-term randomised controlled trials (RCTs) failed to show any consistent benefit from NIV. In a crossover study comparing 3 months of bilevel ventilation plus long term oxygen therapy (LTOT)...
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Background: Patients with chronic obstructive pulmonary disease (COPD) pose a significant burden to healthcare providers with frequent exacerbations necessitating hospital admission. Randomised controlled data exist supporting the use of acute non-invasive ventilation (NIV) in patients with exacerbations of COPD with mild to moderate acidosis. The use of NIV is also described in chronic stable ...
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Background: Non-invasive ventilation is an established treatment for chronic respiratory failure due to chest wall deformity. There are few data available to inform the choice between volume and pressure ventilators. The aim of this study was to compare pressure and volume targeted ventilation in terms of diurnal arterial blood gas tensions, lung volumes, hypercapnic ventilatory responses, slee...
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ژورنال
عنوان ژورنال: Thorax
سال: 1991
ISSN: 0040-6376
DOI: 10.1136/thx.46.2.131