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Noninvasive ventilation for acute respiratory failure. Quite low time consumption for nurses

G Hilbert1, D Gruson, F Vargas

  • 1Medical Intensive Care Unit, Pellegrin Hospital, Bordeaux, France.

The European Respiratory Journal
|December 6, 2000
PubMed

Methods of noninvasive pressure support ventilation (NIPSV) are not always easy to apply in patients with acute exacerbations of chronic obstructive pulmonary disease (COPD). The assistance time spent by nurses in relation to ventilatory time was prospectively studied, when NIPSV was used, in a sequential mode, in COPD patients with either acute exacerbations (58 patients, group I) or postextubation hypercapnic respiratory insufficiency (42 patients, group II) in a medical intensive care unit. During the first 24 h after enrolment, NIPSV was used for 6.7+/-3.2 h (mean+/-SD) in group I and 5.6+/-3.1 h in group II; the duration of NIPSV sessions and the nurse time consumption per session were respectively 47+/-12 and 11+/-7 min in group 1, and 46+/-12 and 11+/-6 min in group II. After the first 24 h of the study, the duration of NIPSV was 4.7+/-3.2 h x day(-1) in group I and 4.9+/-3.5 h x day(-1) in group II, and the nurse time consumption dropped significantly: the duration of NIPSV sessions and the nurse time consumption per session were respectively 44+/-10 and 7+/-4 min in group I, and 47+/-14 and 7+/-3 min in group II. Between the first 24 h and the subsequent period of 24 h, the nursing time dropped significantly (98 versus 59 min in group I (p<0.05), and 85 versus 52 min in group II (p<0.05)). There was no difference in the duration of NIPSV sessions, or in the overall assistance time per session, between the two groups of patients. In conclusion, the study seems to favour a quite low assistance time spent by nurses in relation to ventilatory time when noninvasive pressure support ventilation is used in chronic obstructive pulmonary disease patients with either acute exacerbations or postextubation hypercapnic respiratory insufficiency.

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