Can lower pressure during keyhole surgery protect your lungs?
NCT ID NCT07609615
First seen Jun 27, 2026 · Last updated Aug 25, 2026 · Updated 2 times
Summary
This study looks at 112 adults having gallbladder removal surgery. Doctors will use either low (10 mmHg) or standard (14 mmHg) gas pressure in the belly during the operation. They will use lung ultrasound to check how much the lungs collapse. The goal is to see if lower pressure helps keep lungs healthier during surgery.
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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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112 people
The number who actually took part.
- Started
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Jun 2026
- Finished
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Aug 2026
- Lead sponsor
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A government agency
The lead sponsor is a government body.
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 to 65 years
- 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients aged between 18 and 65 years * ASA physical status I-II * Scheduled for elective laparoscopic cholecystectomy under general anesthesia * Body mass index (BMI) \<30 kg/m² * Ability to provide written informed consent Exclusion Criteria: * Chronic pulmonary disease * Recent respiratory tract infection * Thoracic deformity or previous thoracic surgery * Preoperative pulmonary pathology * Morbid obesity * Pregnancy * Emergency surgery * Conversion to open surgery * Requirement for protocol-violating pneumoperitoneum pressure modification * Refusal to participate in the study
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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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University of Health Sciences Kocaeli City Hospital
İzmit, Kocaeli, 41200, Turkey (Türkiye)
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Other studies related to the condition(s) this trial covers.
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