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[Long-term oxygen treatment (author's transl)]
Deutsche Medizinische Wochenschrift (1946)
|August 6, 1982
Summary
Long-term oxygen therapy improved oxygen levels in patients with respiratory insufficiency, with benefits increasing with longer daily use. Patient adherence decreased over time, but significant improvements in blood oxygen and hematocrit were observed.
Area of Science:
- Pulmonary Medicine
- Respiratory Physiology
Context:
- Severe respiratory partial insufficiency necessitates long-term management.
- Oxygen therapy is a common treatment for hypoxemia.
Purpose:
- To evaluate the effects of long-term oxygen treatment (LTOT) on lung function and gas exchange in patients with severe respiratory insufficiency.
- To assess patient adherence and the impact of LTOT duration on physiological parameters.
Summary:
- 12 patients with severe respiratory insufficiency received LTOT (average 7 months, 16 h/d) via oxygen concentrators.
- Actual oxygen administration was often shorter than prescribed, with decreased patient cooperation over time.
- LTOT resulted in a mean PaO2 increase of 6 mm Hg without significant hypercapnia, with greater improvements correlating with longer daily oxygen use.
- Alveolo-arterial O2 partial pressure difference decreased, indicating improved oxygenation.
- Pulmonary arterial pressure at rest and during exercise decreased, and hematocrit significantly improved.
- Static and dynamic lung volumes showed only marginal improvements.
Impact:
- LTOT can improve arterial oxygenation and reduce pulmonary hypertension in severe respiratory insufficiency.
- Understanding adherence challenges is crucial for optimizing LTOT effectiveness.
- Findings suggest that longer daily durations of oxygen insufflation yield more pronounced physiological benefits.