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01.01.2008 | Original

Automatic selection of breathing pattern using adaptive support ventilation

verfasst von: Jean-Michel Arnal, Marc Wysocki, Cyril Nafati, Stéphane Donati, Isabelle Granier, Gaëlle Corno, Jacques Durand-Gasselin

Erschienen in: Intensive Care Medicine | Ausgabe 1/2008

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Abstract

Objective

In a cohort of mechanically ventilated patients to compare the automatic tidal volume (V _T)–respiratory rate (RR) combination generated by adaptive support ventilation (ASV) for various lung conditions.

Design and setting

Prospective observational cohort study in the 11-bed medicosurgical ICU of a general hospital.

Patients

243 patients receiving 1327 days of invasive ventilation on ASV.

Measurements

Daily collection of ventilator settings, breathing pattern, arterial blood gases, and underlying clinical respiratory conditions categorized as: normal lungs, ALI/ARDS, COPD, chest wall stiffness, or acute respiratory failure.

Results

Overall the respiratory mechanics differed significantly with the underlying conditions. In passive patients ASV delivered different V _T–RR combinations based on the underlying condition, providing higher V _T and lower RR in COPD than in ALI/ARDS: 9.3 ml/kg (8.2–10.8) predicted body weight (PBW) and 13 breaths/min (11–16) vs. 7.6 ml/kg (6.7–8.8) PBW and 18 breaths/min (16–22). In patients actively triggering the ventilator the V _T–RR combinations did not differ between COPD, ALI/ARDS, and normal lungs.

Conclusions

ASV selects different V _T–RR combinations based on respiratory mechanics in passive, mechanically ventilated patients.

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Titel: Automatic selection of breathing pattern using adaptive support ventilation
verfasst von: Jean-Michel Arnal
Marc Wysocki
Cyril Nafati
Stéphane Donati
Isabelle Granier
Gaëlle Corno
Jacques Durand-Gasselin
Publikationsdatum: 01.01.2008
Verlag: Springer-Verlag
Erschienen in: Intensive Care Medicine / Ausgabe 1/2008
Print ISSN: 0342-4642
Elektronische ISSN: 1432-1238
DOI: https://doi.org/10.1007/s00134-007-0847-0

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Automatic selection of breathing pattern using adaptive support ventilation

Abstract

Objective

Design and setting

Patients

Measurements

Results

Conclusions

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Springer Medizin

Abstract

Objective

Design and setting

Patients

Measurements

Results

Conclusions

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