Individualized Perioperative Open Lung Ventilatory Strategy
NCT ID: NCT02158923
Last Updated: 2016-05-17
Study Results
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Basic Information
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COMPLETED
NA
920 participants
INTERVENTIONAL
2014-09-30
2016-04-30
Brief Summary
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
FACTORIAL
PREVENTION
SINGLE
Study Groups
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Individualized ventilation
Intraoperatively ventilated patients with a tidal volume (VT) of 8 ml / kg of ideal body weight, and a FiO2 of 0.8. After intubation, all patients were conduct an alveolar recruitment maneuver (MRA) and PEEP level individualized spanned (see Calculation of optimal PEEP). Every 40 minutes will be assessed the need to adjust the level of PEEP by evaluating the dynamic compliance of the respiratory system (Crs). Faced with a decline in Crs\> 10% a new MRA and optimal PEEP setting will be assessed.
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 .
Individualized vent. + postop. CPAP
Intraoperatively ventilated patients with a tidal volume of 8 ml / kg of ideal body weight, and a FiO2 of 0.8. After intubation, all patients were conduct an alveolar recruitment maneuver (MRA) and PEEP level individualized spanned (see Calculation of optimal PEEP). Every 40 minutes will be assessed the need to adjust the level of PEEP by evaluating the dynamic compliance of the respiratory system (Crs). Faced with a decline in Crs\> 10% a new MRA and optimal PEEP setting will be assessed. Postoperatively a CPAP of 5 cmH2O (or 10 cmH2O if BMI\> 30) with a FiO2 of 0.5 will be applied.
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.
Standard ventilation
Intraoperatively ventilated patients with a tidal volume of 8 ml / kg of ideal body weight, PEEP 6 cmH2O and FiO2 0.8. In these groups no recruitment maneuvers or optimal PEEP setting will be performed.
No interventions assigned to this group
Standard vent. + postoperative CPAP
Intraoperatively ventilated patients with a tidal volume of 8 ml / kg of ideal body weight, PEEP 6 cmH2O and FiO2 0.8. In these groups no recruitment maneuvers or optimal PEEP setting will be performed. Postoperatively, a CPAP of 5 cmH2O (or 10 cmH2O if BMI\> 30) with a FiO2 of 0.5 will be applied.
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.
Interventions
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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.
Eligibility Criteria
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Inclusion Criteria
* Risk of postoperative pulmonary complication moderate-high defined by a score ≥ 26 on the risk scale ARISCAT (based on the analysis of seven factors, where a score between 26 and 44 points defines a moderate risk, and a score\> 44 points define a high risk, included in the Information Booklet Investigator).
* Planned abdominal surgery\> 2 hours.
* Signed informed consent for participation in the study.
Exclusion Criteria
* Pregnant or breast-feeding.
* Patients with BMI \>35.
* Syndrome of moderate or severe respiratory distress: PaO2/FiO2 \< 200 mmHg.
* Heart failure: NYHA IV.
* Hemodynamic failure: CI \<2.5 L/min/m2 and / or requirements before surgery ionotropic support.
* Diagnosis or suspicion of intracranial hypertension (intracranial pressure\> 15 mmHg).
* Mechanical ventilation in the last 15 days.
* Presence of pneumothorax. Presence of giant bullae on chest radiography or computed tomography (CT).
* Patient with preoperatively CPAP.
* Participation in another experimental protocol at the time of intervention selection.
18 Years
ALL
No
Sponsors
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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
Responsible Party
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Carlos Ferrando
MD, PhD
Principal Investigators
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Carlos Ferrando, MD, PhD
Role: STUDY_DIRECTOR
Hospital Clínico Universitario Valencia
Locations
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Massachusetts General Hospital
Boston, Massachusetts, United States
Hospital Privado de la Comunidad
Mar del Plata, Buenos Aires, Argentina
Hospital Germans Trias i Pujol
Badalona, Barcelona, Spain
Hospital de la Santa Creu i Sant Pau
Barcelona, Barcelona, Spain
Hospital Gregorio Marañón
Madrid, Madrid, Spain
Department of Anesthesia and Critical Care; Hospital Clinico Universitario
Valencia, Valencia, Spain
Uppsala University Hospital
Uppsala, Uppland, Sweden
Countries
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References
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Futier E, Constantin JM, Paugam-Burtz C, Pascal J, Eurin M, Neuschwander A, Marret E, Beaussier M, Gutton C, Lefrant JY, Allaouchiche B, Verzilli D, Leone M, De Jong A, Bazin JE, Pereira B, Jaber S; IMPROVE Study Group. A trial of intraoperative low-tidal-volume ventilation in abdominal surgery. N Engl J Med. 2013 Aug 1;369(5):428-37. doi: 10.1056/NEJMoa1301082.
PROVE Network Investigators for the Clinical Trial Network of the European Society of Anaesthesiology; Hemmes SN, Gama de Abreu M, Pelosi P, Schultz MJ. High versus low positive end-expiratory pressure during general anaesthesia for open abdominal surgery (PROVHILO trial): a multicentre randomised controlled trial. Lancet. 2014 Aug 9;384(9942):495-503. doi: 10.1016/S0140-6736(14)60416-5. Epub 2014 Jun 2.
Serpa Neto A, Cardoso SO, Manetta JA, Pereira VG, Esposito DC, Pasqualucci Mde O, Damasceno MC, Schultz MJ. Association between use of lung-protective ventilation with lower tidal volumes and clinical outcomes among patients without acute respiratory distress syndrome: a meta-analysis. JAMA. 2012 Oct 24;308(16):1651-9. doi: 10.1001/jama.2012.13730.
Ferrando C, Librero J, Tusman G, Serpa-Neto A, Villar J, Belda FJ, Costa E, Amato MBP, Suarez-Sipmann F; iPROVE Network Group. Intraoperative open lung condition and postoperative pulmonary complications. A secondary analysis of iPROVE and iPROVE-O2 trials. Acta Anaesthesiol Scand. 2022 Jan;66(1):30-39. doi: 10.1111/aas.13979. Epub 2021 Sep 22.
Garutti I, Errando CL, Mazzinari G, Bellon JM, Diaz-Cambronero O, Ferrando C; iPROVE network. Spontaneous recovery of neuromuscular blockade is an independent risk factor for postoperative pulmonary complications after abdominal surgery: A secondary analysis. Eur J Anaesthesiol. 2020 Mar;37(3):203-211. doi: 10.1097/EJA.0000000000001128.
Ferrando C, Soro M, Unzueta C, Suarez-Sipmann F, Canet J, Librero J, Pozo N, Peiro S, Llombart A, Leon I, India I, Aldecoa C, Diaz-Cambronero O, Pestana D, Redondo FJ, Garutti I, Balust J, Garcia JI, Ibanez M, Granell M, Rodriguez A, Gallego L, de la Matta M, Gonzalez R, Brunelli A, Garcia J, Rovira L, Barrios F, Torres V, Hernandez S, Gracia E, Gine M, Garcia M, Garcia N, Miguel L, Sanchez S, Pineiro P, Pujol R, Garcia-Del-Valle S, Valdivia J, Hernandez MJ, Padron O, Colas A, Puig J, Azparren G, Tusman G, Villar J, Belda J; Individualized PeRioperative Open-lung VEntilation (iPROVE) Network. Individualised perioperative open-lung approach versus standard protective ventilation in abdominal surgery (iPROVE): a randomised controlled trial. Lancet Respir Med. 2018 Mar;6(3):193-203. doi: 10.1016/S2213-2600(18)30024-9. Epub 2018 Jan 19.
Ferrando C, Soro M, Canet J, Unzueta MC, Suarez F, Librero J, Peiro S, Llombart A, Delgado C, Leon I, Rovira L, Ramasco F, Granell M, Aldecoa C, Diaz O, Balust J, Garutti I, de la Matta M, Pensado A, Gonzalez R, Duran ME, Gallego L, Del Valle SG, Redondo FJ, Diaz P, Pestana D, Rodriguez A, Aguirre J, Garcia JM, Garcia J, Espinosa E, Charco P, Navarro J, Rodriguez C, Tusman G, Belda FJ; iPROVE investigators (Appendices 1 and 2). Rationale and study design for an individualized perioperative open lung ventilatory strategy (iPROVE): study protocol for a randomized controlled trial. Trials. 2015 Apr 27;16:193. doi: 10.1186/s13063-015-0694-1.
Other Identifiers
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iPROVE
Identifier Type: -
Identifier Source: org_study_id
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