[Home oxygen therapy of chronic bronchitis patients. Clinical, functional and pulmonary hemodynamic results. Apropos of 17 cases].

Unlabelled: Seventeen subjects (16 male, 1 female) with a mean age of 60 +/- 7 years were studied.

Inclusion Criteria: severe chronic bronchitis (mean FEV1 = 960 ml with frank hypoxaemia (PaO2 less than 60 mmHg); past history of right heart failure or electrical signs of right ventricular hypertrophy or pulmonary hypertension (PAP greater than 20 mmHg); oxygen therapy at home for greater than 10/24 hours (most often greater than or equal to 12 hours) for more than a year; interval of more than 6 months between the first haemodynamic investigation (before the start of O2) and the last, this period being on average 23.9 +/- 18.