The goal of this clinical trial is to understand the impact of three different ventilation modes-pressure-controlled ventilation (PCV), volume-controlled ventilation (VCV), and pressure-regulated volume-controlled ventilation (PRVC)-on airway pressure and intracranial pressure in patients undergoing resuscitation positioning. It aims to evaluate the effects of these ventilation modes on patients in resuscitation positions. The main questions it seeks to answer are: Does the PRVC mode more effectively control airway pressure and intracranial pressure in patients undergoing resuscitation positioning? Does it help to reduce the risk of increased intracranial pressure during surgery?
Age range
22 Years – 77 Years
Sex
FEMALE
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The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Average Airway Pressure (PAWM) in the Trendelenburg Position
Timeframe: Measurements will be taken at five specific time points: before and after pneumoperitoneum at 5, 10, 15, and 20 minutes.
Optic Nerve Sheath Diameter (ONSD) as a Measure of Intracranial Pressure
Timeframe: ONSD measurements will be recorded at the same five time points as PAWM: before and after pneumoperitoneum at 5, 10, 15, and 20 minutes.