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Published in: Journal of Neurology 7/2022

Open Access 14-02-2022 | Stroke | Original Communication

Delirium on stroke units: a prospective, multicentric quality-improvement project

Authors: Peter Nydahl, Friederike Baumgarte, Daniela Berg, Manuela Bergjan, Christoph Borzikowsky, Christiana Franke, Diana Green, Anisa Hannig, Hans Christian Hansen, Armin Hauss, Uta Hansen, Rahel Istel, Norma Krämer, Karita Krause, Renée Lohrmann, Mohammad Mohammadzadeh-Vazifeh, Jürgen Osterbrink, Frederick Palm, Telse Petersen, Bernd Schöller, Henning Stolze, Max Zilezinski, Johannes Meyne, Nils G. Margraf

Published in: Journal of Neurology | Issue 7/2022

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Abstract

Background

Post-stroke delirium (POD) in patients on stroke units (SU) is associated with an increased risk for complications and poorer clinical outcome. The objective was to reduce the severity of POD by implementing an interprofessional delirium-management.

Methods

Multicentric quality-improvement project on five SU implementing a delirium-management with pre/post-comparison. Primary outcome was severity of POD, assessed with the Nursing Delirium Screening Scale (Nu-DESC). Secondary outcome parameters were POD incidence, duration, modified Rankin Scale (mRS), length of stay in SU and hospital, mortality, and others.

Results

Out of a total of 799 patients, 59.4% (n = 475) could be included with 9.5% (n = 45) being delirious. Implementation of a delirium-management led to reduced POD severity; Nu-DESC median: pre: 3.5 (interquartile range 2.6–4.7) vs. post 3.0 (2.2–4.0), albeit not significant (p = 0.154). Other outcome parameters were not meaningful different. In the post-period, delirium-management could be delivered to 75% (n = 18) of delirious patients, and only 24 (53.3%) of delirious patients required pharmacological treatments. Patients with a more severe stroke and POD remained on their disability levels, compared to similar affected, non-delirious patients who improved.

Conclusions

Implementation of delirium-management on SU is feasible and can be delivered to most patients, but with limited effects. Nursing interventions as first choice could be delivered to the majority of patients, and only the half required pharmacological treatments. Delirium-management may lead to reduced severity of POD but had only partial effects on duration of POD or length of stay. POD hampers rehabilitation, especially in patients with more severe stroke.

Registry

DRKS, DRKS00021436. Registered 04/17/2020, www.​drks.​de/​DRKS00021436.
Appendix
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Metadata
Title
Delirium on stroke units: a prospective, multicentric quality-improvement project
Authors
Peter Nydahl
Friederike Baumgarte
Daniela Berg
Manuela Bergjan
Christoph Borzikowsky
Christiana Franke
Diana Green
Anisa Hannig
Hans Christian Hansen
Armin Hauss
Uta Hansen
Rahel Istel
Norma Krämer
Karita Krause
Renée Lohrmann
Mohammad Mohammadzadeh-Vazifeh
Jürgen Osterbrink
Frederick Palm
Telse Petersen
Bernd Schöller
Henning Stolze
Max Zilezinski
Johannes Meyne
Nils G. Margraf
Publication date
14-02-2022
Publisher
Springer Berlin Heidelberg
Published in
Journal of Neurology / Issue 7/2022
Print ISSN: 0340-5354
Electronic ISSN: 1432-1459
DOI
https://doi.org/10.1007/s00415-022-11000-6

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