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Delirium in the Older Adult Orthopaedic Patient: Predisposing, Precipitating, and Organic Factors

Staus, Ruth

doi: 10.1097/NOR.0b013e3182247c79
Original Articles

Delirium is a common problem with a reported incidence of 13%–61% in orthopaedic patients. The mortality rate for patients who develop delirium can be as high as 37%. Recent research indicates that delirium may not be completely reversible in all patients. The normal physiological changes of aging predispose elders to the development of delirium. Inadequate pain management and polypharmacy are major precipitating factors for the disorder. New models of delirium pathophysiology are focused on the effects of both direct brain insults and aberrant stress responses. This article will provide a brief overview of the clinical problem of delirium with a focus on the current research evidence regarding predisposing, precipitating, and organic factors that lead to delirium in elderly orthopaedic patients.

Ruth Staus, DNP, RN, CNP, Adult Nurse Practitioner Edgerton Wellness Center, Love Grows Here Wellness Center, & Duet Community Clinic, and Assistant Professor, Metropolitan State University, Maplewood, MN.

The author has disclosed that she has no financial interests to any commercial company related to this educational activity.

© 2011 National Association of Orthopaedic Nurses