920
Participants
Start Date
September 30, 2014
Primary Completion Date
April 30, 2016
Study Completion Date
April 30, 2016
Alveolar recruitment maneuver
To start Alveolar Recruitment Maneuver (ARM), change ventilatory pressure-controlled mode (PCV) with 15 cmH2O pressure control ventilation. A respiratory rate (RR) of 15 rpm, inspiration: expiration ratio of 1:1, FiO2 of 0.8 and PEEP of 10 cmH2O. PEEP level will increase 5 on 5 cmH2O every 10 respiratory cycles, increasing to 15 cycles in the last level of PEEP (25 cmH2O), getting an opening pressure at 40 cmH2O airway (duration of the maneuver: 160 sec.)
Calculation of optimal PEEP
Change ventilation mode to volume controlled ventilation (VCV) with a VT of 8 ml / kg, RR 15 rpm and adjust a PEEP of 20 cmH2O. Descend PEEP level 2 by 2 cmH2O every 30 seconds until obtain the best respiratory system compliance (Crs) PEEP. Once you know the optimal level of PEEP (best Crs PEEP), will be conducted again alveolar recruitment maneuver and adjust the best Crs level of PEEP + 2 cmH2O .
Postoperative CPAP
Postoperatively, non-invasive mechanical ventilation with a CPAP of 5 cmH2O (or 10 cmH2O if BMI\> 30) with a FiO2 of 0.5 will be applied.
Hospital Privado de la Comunidad, Mar del Plata
Hospital Gregorio Marañón, Madrid
Department of Anesthesia and Critical Care; Hospital Clinico Universitario, Valencia
Massachusetts General Hospital, Boston
Hospital Germans Trias i Pujol, Badalona
Hospital de la Santa Creu i Sant Pau, Barcelona
Uppsala University Hospital, Uppsala
Hospital de Manises
OTHER
Hospital General Valencia
OTHER
Hospital Universitario La Fe
OTHER
Germans Trias i Pujol Hospital
OTHER
Hospital de Sant Pau
OTHER
Hospital del Mar
OTHER
Fundación de Investigación Biomédica - Hospital Universitario de La Princesa
OTHER
Hospital General Universitario Gregorio Marañon
OTHER
Hospital General Universitario de Alicante
OTHER
Hospital Juan Canalejo
OTHER
Hospital General Regional de León
OTHER_GOV
Hospital Universitario Virgen de la Arrixaca
OTHER
Hospital Miguel Servet
OTHER
Hospital Clínico Universitario de Valladolid
OTHER
Hospital Universitario Fundación Alcorcón
OTHER
Hospital General de Ciudad Real
OTHER
Hospital Universitario de Valme
OTHER
Hospital de Basurto
OTHER
Hospital Dr. Negrín
UNKNOWN
Hospital de Galdakano
UNKNOWN
Complejo Hospitalario de Especialidades Juan Ramón Jimenez
OTHER
Puerta de Hierro University Hospital
OTHER
Fundación para la Investigación del Hospital Clínico de Valencia
OTHER