Relationship Between Pain, Opioid Treatment, and Delirium in Older Emergency Department Patients.
Journal
Academic emergency medicine : official journal of the Society for Academic Emergency Medicine
ISSN: 1553-2712
Titre abrégé: Acad Emerg Med
Pays: United States
ID NLM: 9418450
Informations de publication
Date de publication:
08 2020
08 2020
Historique:
received:
03
03
2020
revised:
12
05
2020
accepted:
18
05
2020
pubmed:
23
5
2020
medline:
5
2
2021
entrez:
23
5
2020
Statut:
ppublish
Résumé
Emergency department (ED) stay and its associated conditions (immobility, inadequate hydration and nutrition, lack of stimulation) increase the risk of delirium in older patients. Poorly controlled pain and paradoxically opioid pain treatment have also been identified as triggers for delirium. The aim of this study was to assess the relationship between pain, opioid treatment, and delirium in older ED patients. A multicenter prospective cohort study was conducted in four hospitals across the province of Québec (Canada). Patients aged ≥ 65 years old, waiting for hospital admission between March and July 2015, who were nondelirious upon ED arrival, who were independent or semi-independent in their daily living activities, and who had an ED stay of at least 8 hours were included. Delirium assessments were conducted twice a day during the patient's entire ED stay and their first 24 hours on the hospital ward using the Confusion Assessment Method. Pain intensity was evaluated using a visual analog scale (VAS = 0-100) during the initial interview, and all opioid treatments were documented. A total of 338 patients were included; 51% were female, and mean (±SD) age was 77 (±8) years. Forty-one patients (12%) experienced delirium during their hospital stay occurring within a mean (±SD) delay of 47 (±19) hours after ED admission. Among patients with pain intensity ≥ 65 from VAS (0-100), 26% experienced delirium compared to 11% for patients with pain < 65 (p < 0.01), and no significant association was found between opioid consumption and delirium (p = 0.31). Logistic regression controlling for confounding factors showed that patients with pain intensity ≥ 65 are 3.3 (95% confidence interval = 1.4 to 7.9) times more likely to develop delirium than patients who had pain intensity of <65. Severe pain, not opioids, is associated with the development of delirium during ED stay. Adequate pain control during the hospital stay may contribute to a decrease in delirium episodes.
Substances chimiques
Analgesics, Opioid
0
Types de publication
Journal Article
Multicenter Study
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
708-716Commentaires et corrections
Type : CommentIn
Type : CommentIn
Informations de copyright
© 2020 by the Society for Academic Emergency Medicine.
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