在宅酸素療法患者における酸素吸入のコンプライアンス

DOI PubMed 参考文献9件

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  • Compliance with Long-term Home Oxygen Therapy.

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Long-term home oxygen therapy has been shown to benefit patients with hypoxemic chronic obstructive pulmonary disease. However, to obtain the expected maximal benefit it is important for the oxygen to be used correctly and for a sufficient length of time. We examined compliance with home oxygen therapy in patients with chronic obstructive pulmonary disease, pulmonary fibrosis, late sequelae of pulmonary tuberculosis, and pulmonary hypertension who used oxygen concentrations. Compliance was defined as the ratio of the amount of oxygen used to the amount prescribed. The average daily length of time the concentrator actually ran was measured from the concentrator meters. These were read every 6 months by an engineer from the company that installed the concentrator. Factors thought to affect compliance were studied. These factors included age, the degree of dyspnea, arterial blood gases, and pulmonary function. Weak positive correlations were found between compliance and age and between compliance and PaCO2. A weak negative correlation was observed between compliance and PaO2. Compliance in patients with chronic obstructive pulmonary disease was higher than in patients with pulmonary fibrosis or pulmonary hypertension. Among those given prescriptions for 24-hr oxygen therapy, compliant patients had more severe dyspnea on excertion than did noncompliant patients. These data suggest that the compliant patients had more severe gas exchange problems.

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