The investigators want to assess the effect of intraoperative low tidal volume vs intermediate tidal volume on respiratory mechanics, oxygenation and pulmonary complications in older patients undergoing Trendelenburg pneumoperitoneum surgery.
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
PaO2/FiO2
Timeframe: the lowest value at one hour after extubation, day-1 to day-3
hypoxemia
Timeframe: From date of patient admission until the date of discharge, assessed up to 7 days
pneumonia
Timeframe: From date of patient admission until the date of discharge, assessed up to 7 days
bronchospasm
Timeframe: From date of patient admission until the date of discharge, assessed up to 7 days
atelectasis
Timeframe: From date of patient admission until the date of discharge, assessed up to 7 days
pulmonary congestion
Timeframe: From date of patient admission until the date of discharge, assessed up to 7 days
respiratory failure
Timeframe: From date of patient admission until the date of discharge, assessed up to 7 days
pleural effusion
Timeframe: From date of patient admission until the date of discharge, assessed up to 7 days
pneumothorax
Timeframe: From date of patient admission until the date of discharge, assessed up to 7 days
unplanned requirement for postoperative invasive or noninvasive ventilation
Timeframe: From date of patient admission until the date of discharge, assessed up to 7 days