[IPPB therapy at home in chronic respiratory insufficiency in France. II. Indications. Technics and surveillance (author's transl)].

A survey has been conducted among French chest physicians and physicians involved in intensive care. 296 physicians have prescribed IPPB at home to 3 778 patients with chronic respiratory insufficiency between 1960 and 1977. Acute respiratory failure was the first criteria considered in the indications (57% of the patients); hypercapnia, hypoxemia and right heart failure episode frequency were the other criteria of severity the most often taken into account.

[I.P.P.B. therapy at home in chronic respiratory insufficiency in France. I. Survey method. Description of the prescribers. 1960-1977 prescription evolution (author's transl)].

In order to assess the usage of IPPB therapy at home in chronic respiratory insufficiency in France, a mail survey has been conducted among 2,062 chest physicians and physicians involved in intensive care. The response rate was 57%. Among those caring for chronic respiratory insufficient patients, 296, i.

[A control trial of home I.P.P.B. therapy in patients with chronic obstructive respiratory insufficiency. Protocol and state of the study (author's transl)].

Because a previous retrospective study did not allow any conclusion as to the efficacy of home IPPB therapy in patients with chronic airflow obstruction, a control trial has been started. The protocol includes definition of patients, modalities of treatment, criteria for evaluation. Among criteria for a patient to enter the trial is a chronic hypercapnia (with PaCO2 greater than or equal to 48 mmHg) observed over a preliminary period of 4 months.