Dexmedetomidine-ketamine versus propofol-ketamine for sedation during upper gastrointestinal endoscopy in hepatic patients (a comparative randomized study)

Safety and efficacy of dexmedetomidine vs ketamine vs midazolam combined with propofol in gastrointestinal endoscopy for cancer patients: A randomized double-blinded trial

Evaluation of paradoxical effect of small dose ketamine as adjuvant in deep sedation for endoscopy patients

A randomized comparative study of two different concentrations of ketamine and propofol combination in upper gastrointestinal endoscopy procedures

Safety and efficacy of ketamine-dexmedetomidine combination versus dexmedetomidine alone in cirrhotic patients undergoing upper gastrointestinal endoscopy: a prospective controll

Propofol dexmedetomidine versus propofol ketamine for anesthesia of endoscopic retrograde cholangiopancreatography (ERCP) (A randomized comparative study)

Dexmedetomidine versus ketofol for moderate sedation in Endoscopic Retrograde Cholangiopancreatography (ERCP) comparative study

Effect of small dose propofol or midazolam to prevent laryngospasm and coughing following oropharyngeal surgeries: Randomized controlled trial

Propofol-Dexmedetomidine versus Propofol-Ketamine for Anesthesia of Endoscopic Retrograde Cholangiopancreatography (ERCP) (Comparative Study)

COMPARATIVE STUDY BETWEEN KETAMINE AND PROPOFOL COMBINATION VERSUS PROPOFOL ALONE FOR SEDATION OF PATIENTS UNDERGOING UPPER GASTROINTESTINAL TRACT ENDOSCOPY