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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
Adaptive support ventilation versus conventional ventilation for total ventilatory support in acute respiratory failure
Intensive Care Medicine, Volume 36, No. 8, Year 2010
Notification
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Description
Objective: To compare the short-term effects of adaptive support ventilation (ASV), an advanced closed-loop mode, with conventional volume or pressurecontrol ventilation in patients passively ventilated for acute respiratory failure. Design: Prospective crossover interventional multicenter trial. Setting: Six European academic intensive care units. Patients: Eighty-eight patients in three groups: patients with no obvious lung disease (n = 22), restrictive lung disease (n = 36) or obstructive lung disease (n = 30). Interventions: After measurements on conventional ventilation (CV) as set by the patients' clinicians, each patient was switched to ASV set to obtain the same minute ventilation as during CV (isoMV condition). If this resulted in a change in PaCO2, the minute ventilation setting of ASV was readjusted to achieve the same PaCO2 as in CV (isoCO2 condition). Measurements and results: Compared with CV, PaCO2 during ASV in isoMV condition and minute ventilation during ASV in isoCO2 condition were slightly lower, with lower inspiratory work/minute performed by the ventilator (p<0.01). Oxygenation and hemodynamics were unchanged. During ASV, respiratory rate was slightly lower and tidal volume (Vt) slightly greater (p<0.01), especially in obstructed patients. During ASV there were different ventilatory patterns in the three groups, with lower Vt in patients with restrictive disease and prolonged expiratory time in obstructed patients, thus mimicking the clinicians' choices for setting CV. In three chronic obstructive pulmonary disease patients the resulting Vt was unacceptably high. Conclusions: Comparison between ASV and CV resulted either in similarities or in minor differences. Except for excessive Vt in a few obstructed patients, all differences were in favor of ASV. © 2010 jointly held by Springer and ESICM.
Authors & Co-Authors
Iotti, Giorgio Antonio
Italy, Pavia
Fondazione Irccs Policlinico San Matteo
Polito, Andrea
France, Creteil
Hôpital Henri Mondor
Belliato, M.
Italy, Pavia
Fondazione Irccs Policlinico San Matteo
Pasero, Daniela C.
Italy, Turin
Azienda Sanitaria Ospedaliera Molinette San Giovanni Battista Di Torino
Béduneau, Gaëtan
France, Rouen
Hopital Charles Nicolle
Wysocki, Marc
Switzerland, Sion
Medical Research
Brunner, Josef X.
Switzerland, Neuchatel
Centre Suisse D'electronique et de Microtechnique sa
Braschi, Antonio
Italy, Pavia
Fondazione Irccs Policlinico San Matteo
Italy, Pavia
Università Degli Studi Di Pavia
Brochard, Laurent Jean
France, Creteil
Hôpital Henri Mondor
France, Creteil
Institut Mondor de Recherche Biomédicale
France, Creteil
Faculté de Santé
Mancebo, Jordi B.Y.J.
Spain, Barcelona
Hospital Clinic Barcelona
Ranieri, V. Marco
Italy, Turin
Azienda Sanitaria Ospedaliera Molinette San Giovanni Battista Di Torino
Italy, Turin
Università Degli Studi Di Torino
Richard, Jean Christophe Marie
France, Rouen
Hopital Charles Nicolle
France, Rouen
Upres ea
Slutsky, Arthur S.
Canada, Toronto
University of Toronto
Saudi Arabia, Riyadh
King Saud University
Canada, Toronto
Keenan Research Centre for Biomedical Science
Statistics
Citations: 37
Authors: 13
Affiliations: 15
Identifiers
Doi:
10.1007/s00134-010-1917-2
ISSN:
03424642
e-ISSN:
14321238
Research Areas
Health System And Policy
Study Design
Cohort Study