Endoscopy
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The main end points for sedation during endoscopy are patients' satisfaction, short duration of the procedure, and safety. During the last year, attention has focused on attempting to identify the "ideal" candidate for moderate sedation/analgesia and on the importance of providing the patient with appropriate information before the procedure. The increasing pressure to perform more procedures, reduce costs, and achieve shorter patient turnaround times has affected recent approaches to sedation during endoscopy, focusing attention on alternatives to pharmacological sedation such as providing relaxing music, using small-caliber endoscopes for unsedated peroral gastroscopy, and using magnetic endoscopic imaging to increase tolerance and reduce discomfort during colonoscopy. ⋯ With regard to preparation for endoscopic procedures, several "ideal" formulas for bowel preparation have been presented. These include the use of sodium phosphate compounds as an alternative to polyethylene glycol electrolyte lavage solutions (PEG-ELS); however, the results so far have been conflicting. The best and most cost-effective bowel cleansing procedure for colonoscopy and sigmoidoscopy has yet to be established.