Airway Pressure Changes Using Esophageal Balloon Catheter (OBC) in Laparoscopic Surgery

This is a single centre study. The investigators intend to recruit 20 subjects over 4 months. Patients undergoing laparoscopic abdominal surgery for cholecystectomy, laparoscopic gynaecological surgery and laparoscopic urologic procedures either as day surgery, same day admission or in patients, will be included in the study. Patients will be identified at the time of listing for surgery and referred to study team, which in turn will recruit the patients. Informed consent will be obtained at the time of recruitment and a copy of consent with details of principal investigator would be provided to subjects. All data collection will be done intraoperative. Patient would be followed up once at day 3 post op period. If patients have any complications related to the study, they will be followed up weekly until the complication is resolved.