“…Gas embolism occurred during 2 distinct periods; first, during peritoneal insufflation, and second, during venous complex dissection 45 . Early signs of gas embolism include a rapid drop in end-tidal CO 2 and PaO 2 and an increase in PaCO 2 and can be followed by hypotension, hypoxia, cyanosis, arrhythmia, or cardiac arrest. Elderly or high-risk patients with limited cardiopulmonary reserve might not be able to tolerate these situations.…”