Dementia and Geriatric Cognitive Disorders

Original Research Article

Incidence, Clinical Features and Subtypes of Delirium in Elderly Patients Treated for Hip Fractures

Santana Santos F.a · Wahlund L.O.a · Varli F.b · Tadeu Velasco I.c · Eriksdotter Jönhagen M.a

Author affiliations

aNEUROTEC Department, and bGeriatric and Orthopedic Departments, Huddinge Hospital, Karolinska Institute, Stockholm, Sweden; cInternal Medicine Department, University of São Paulo Medical School, São Paulo, Brazil

Keywords: Delirium subtypesPostoperative deliriumHip fractureElderly population

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Dement Geriatr Cogn Disord 2005;20:231–237
https://doi.org/10.1159/000087311

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Article / Publication Details

First-Page Preview
Abstract of Original Research Article

Received: February 23, 2005
Published online: September 12, 2005
Issue release date: September 2005

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 5

ISSN: 1420-8008 (Print)
eISSN: 1421-9824 (Online)

For additional information: https://www.karger.com/DEM

Abstract

Objective: To describe the incidence, risk factors and clinical features (subtypes) of delirium during the postoperative period after hip fracture surgery in elderly patients. Design: Prospective study. Methods: Thirty-four consecutive patients (9 men and 25 women) were included in this study between June 16 to July 14, 2003. All patients underwent surgery for a fractured neck of femur and were pre- and postoperatively cared for at a combined geriatric/orthopedic ward. Assessment: The diagnosis of delirium was based on the criteria of the DSM-IV and the Confusion Assessment Method Scale. Subtypes of delirium were classified according to the criteria proposed by Lipowski: hyperactive-hyperalert (or agitated), hypoactive-hypoalert (somnolent) and mixed delirium. Results: Fifty-five percent (n = 19) of the 34 patients developed delirium after surgery. The development of delirium was associated with the medication midazolam taken perioperatively. Nine (47%) of the delirious patients had a hyperactive type of delirium; 5 (26%) developed a hypoactive delirium, and 5 (26%) had a mixed type. We did not find any association among subtypes of delirium and clinical features. Conclusions: Delirium is a common complication in the postoperative period of elderly patients treated for hip fractures. The use of midazolam in the perioperative period increased the risk of developing postoperative delirium. Thehyperactive type of delirium was the most common subtype of delirium.

© 2005 S. Karger AG, Basel



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Article / Publication Details

First-Page Preview
Abstract of Original Research Article

Received: February 23, 2005
Published online: September 12, 2005
Issue release date: September 2005

Number of Print Pages: 7
Number of Figures: 0
Number of Tables: 5

ISSN: 1420-8008 (Print)
eISSN: 1421-9824 (Online)

For additional information: https://www.karger.com/DEM

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2005, Vol.20, No. 4

September 2005

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