Intraoperative Protective Mechanical Ventilation in Patients Requiring

Status Completed

Clinical Trial Summary

The aim of this study is to compare the effects of a strategy aimed at increasing alveolar recruitment (high PEEP levels adjusted according to driving pressure and recruitment maneuvers) with that of a strategy aimed at minimizing alveolar distension (low PEEP level without recruitment maneuver) on postoperative respiratory failure and mortality in patients receiving low VT ventilation during emergency abdominal surgery.

Clinical Trial Description

Emergency abdominal surgery is associated with a high risk of morbidity and mortality. Postoperative pulmonary complications (PPCs) are the second most common surgical complication and adversely influence surgical morbidity. Postoperative respiratory failure (PRF) is one of the most serious pulmonary complication. Two hypotheses can be forward by the literature. First, a low VT lung protective ventilation in combination with a strategy aimed at minimizing alveolar distension by using low PEEP level (and without recruitment maneuver) could improve postoperative outcome while reducing the risk of hemodynamic alterations or, second, could increase the risk of PRF compared with a strategy aimed at increasing alveolar recruitment using higher PEEP level adjusted according to driving pressure in combination with recruitment maneuvers in adult patients undergoing emergency abdominal surgery. Given the uncertainties, and in order to determine the impact of lung protective ventilation strategies on clinical outcomes of high-risk surgical patients, a randomized trial is needed. Our primary hypothesis is that, during low VT ventilation, a strategy aimed at increasing alveolar recruitment by using high PEEP levels adjusted according to driving pressure in combination with recruitment maneuvers could be more effective at reducing PRF and mortality after emergency abdominal surgery than a strategy aimed at minimizing alveolar distension by using lower PEEP without recruitment maneuver. Given the number of patients for whom the question applies, the prevalence and the burden of PPCs, the study can have significant clinical importance and public health implications. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03987789
Study type	Interventional
Source	University Hospital, Clermont-Ferrand
Contact
Status	Completed
Phase	N/A
Start date	February 18, 2021
Completion date	October 27, 2022

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Intraoperative Protective Mechanical Ventilation in Patients Requiring Emergency Abdominal Surgery — IMPROVE-2

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms