During the past 15 yr, the volume of procedures performed by endoscopists in the United States has increased two- to fourfold. Propofol is currently being used for sedation in approximately one quarter of all endoscopies in the United States. The findings from this survey may help in the formulation of updated policies and practice guidelines pertaining to endoscopic sedation.
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Cohen et al. (2006) studied this question.
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