Topical Pharyngeal Anesthesia With Articaine for Gastroscopy Topical Pharyngeal anesthesia (TPA) is widely used during upper endoscopy. Articaine is local anaesthetic that have not been previously evaluated in pharyngeal anesthesia for upper endosco...

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Dexmedetomidine Versus Placebo in Endoscopic Retrograde Cholangiopancreatography (ERCP) Sedation In this pilot prospective non-commercial clinical trial the investigators will study the use of dexmedetomidine as an adjuvant to the patient-controlled propofol sedation in a placebo-cont...

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