Italian data support upper gastrointestinal endoscopy without sedation

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Abstract
EDITOR,--J E Charlton claims that closer monitoring, as well as routine oxygen, during upper gastrointestinal endoscopy would reduce morbidity related to this procedure.1 Charlton wonders whether it is safe to dismiss cardiographic abnormalities and low oxygen desaturation, since in a recent survey nearly all the complications were respiratory or cardiovascular.2 In the same survey 85% of upper gastrointestinal endoscopies were performed under sedation, a figure similar to that …