Regular review: Delirium: optimising management

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Abstract
Methods This review is based on the results of a Medline search for articles published between 1980 and 1999 using the key words “delirium,” “acute confusion,” “management,” and “treatment”; as well as hand searching for articles in major journals in general and old age medicine and psychiatry published during the past five years; inspection of recent treatment guidelines published by the American Psychiatric Association2; and a review of references cited within these sources. Because of variability in the methodological quality of research into delirium, articles were selected for inclusion on the basis of an appraisal of the usefulness and validity of the studies.