Endoscopy: Nitrous oxide sedation for colonoscopy-no laughing matter.

摘要

Moderate sedation is typically used during lower gastrointestinal endoscopy procedures. Deep sedation with propofol is becoming widespread but carries the risk of cardiorespiratory depression. Nitrous oxide is an inhaled sedative administered routinely in dentistry that might prove to be a safe option for sedation during lower gastrointestinal endoscopy.