Effect of Airseal System Valve-less Trocar on the Ventilatory Parameters During Robotic-assisted Radical Cystectomy

The aim of the investigators' study is to investigate if the use of the AirSeal insufflation system impairs ventilatory parameters of patients less than a conventional system in patients undergoing robot-assisted laparoscopic cystectomy.

Inclusion Criteria:

• Patients scheduled for robotic-assisted Radical Cystectomy
• Written informed consent
• - ≥ 18 years of age

Exclusion Criteria:

• Patients who refuse participating in the study
• ejection fraction < 40%
• history of retinal vascular occlusion and ischaemic optic neuropathy