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Can a lung maneuver reveal fluid needs during surgery?

NCT ID NCT04118244

Knowledge-focused Sponsor: Hallym University Kangnam Sacred Heart Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a lung recruitment maneuver (a brief increase in airway pressure) can help doctors decide if a patient needs more fluids during surgery with protective lung ventilation. 48 adults undergoing abdominal surgery participated. The goal was to see if changes in heart and lung measurements during the maneuver could predict fluid responsiveness.

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.

Participants

48 people

The number who actually took part.

Started

Oct 2019

Finished

Oct 2021

Lead sponsor

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.

Who is studied

tertiary care center

Ages

20 to 80 years

Sex

Anyone

Show 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: * Adult patients receiving laparotomy and lung protective ventilation Exclusion Criteria: * preoperative arrhythmia * Severe bradycardia * Moderate to severe valvular disease * left ventricular ejection fraction \< 50% * Poorly controlled hypertension (systolic BP \> 160 mmHg) * Patients with renal insufficiency (creatinine \> 1.5 mg/dL) * Moderate to severe liver disease * BMI \>.30 or \< 15 kg/ m2 * preexisting pulmonary disease * FEV1 \< 60% of predicted value

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Patients in grey zone (3 < pulse pressure variation (PPV) < 17 Patients receiving protective lung ventilation

Contacts and locations

Locations

  • Kangnam Sacred Heart Hospital, Hallym University College of Medicine

    Seoul, South Korea