Comparison between using intravenous (IV) propofol combined with either IV dexmedetomidine or IV ketamine or IV midazolam; to study the effect of their combination on level of sedation and hemodynamic stability on adult patients scheduled for gastrointestinal endoscopic procedures.
This study aims to assess the safety and efficacy of dexmedetomidine versus ketamine versus midazolam combined with propofol in cancer patients undergoing gastrointestinal endoscopic procedures.