Can a mask help avoid breathing tubes after surgery?
NCT ID NCT01971892
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether using a mask that helps with breathing (non-invasive ventilation) can prevent the need for a breathing tube in patients who develop respiratory failure after abdominal surgery. 300 adults who had abdominal surgery and then had trouble breathing were randomly assigned to receive either the mask or standard oxygen therapy. The main goal was to see if the mask reduced the number of patients needing a breathing tube within 7 days.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Non-invasive ventilation (NIV) via facial mask
- What this could lead to
- If successful, this approach could reduce the need for breathing tubes and lower complications after abdominal surgery.
- What could go wrong
- This is a completed trial, but results may not apply to all patients or settings. NIV may not prevent intubation in severe cases.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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300 people
The number who actually took part.
- Start date
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May 2013
- Finished
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Dec 2014
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Eligibility : * age of more than 18 years * scheduled for elective or not elective abdominal surgery requiring laparotomy or laparoscopy and general anesthesia. Inclusion : * acute respiratory failure occurring within the seven days of the surgery procedure which is defined as presence and persistence for at least 30 min and at least one of the two followings: 1) a respiratory rate of more than 30 breaths per minute and 2) clinical signs suggestive of respiratory muscle fatigue, increased work of breathing, or both, such as use of respiratory accessory muscles, paradoxical motion of the abdomen, or retraction of intercostal spaces * hypoxemia defined by a PaO2 lower than 60 mmHg in ambient air or lower than 80 mmHg under 15 liters O2 or an arterial O2 saturation by pulse-oximetry (SpO2) lower than 90% (PaO2/FiO2\< 200 mmHg). Exclusion Criteria: * Emergency procedure surgery (operation that must be performed as soon as possible and no longer than 12 hours after inclusion in the study) * previous recruitment into another trial. * Cardiopulmonary arrest * Glasgow coma scale \<8 * Absence of airway protective gag reflex * Upper airway obstruction * Pregnancy. * Patients who refuse to undergo endotracheal intubation, whatever the initial therapeutic approach * Chronic home non invasive ventilation
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Department of Anesthesiology & Critical Care, St Eloi University Hospital
Montpellier, 34000, France
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