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[Modern long-term oxygen therapy--practical aspects].

Modern and accurately performed long term oxygen therapy improves quality of life and life expectancy in patients with chronic obstructive lung disease suffering from hypoxemia. This type of therapy often fails since the patient is bothered by the nasal prongs and fears to dwell outside his home. As a consequence, the major goal of this form of therapy, namely enhanced patients mobility is not attained. Oxygen can be delivered at a high efficiency by a transtracheal catheter. This mode of application may considerably improve the patients comfort and hence his compliance and mobility.