Carl Moritz Zipser1,2, Jeremy Deuel3, Jutta Ernst4, Maria Schubert5, Roland von Känel6, Sönke Böttger6. 1. Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University of Zurich, University Hospital Zurich, Ramistrasse 100, 8091, Zurich, Switzerland. carlmoritz.zipser@balgrist.ch. 2. Department of Neurology and Neurophysiology, University of Zurich, Balgrist University Hospital, Forchstrasse 340, 8008, Zurich, Switzerland. carlmoritz.zipser@balgrist.ch. 3. Department of Hematology, University of Zurich, University Hospital Zurich, Ramistrasse 100, 8091, Zurich, Switzerland. 4. Institute of Nursing Science, University of Zurich, University Hospital Zurich, Ramistrasse 100, 8091, Zurich, Switzerland. 5. School of Health Professions, Zurich University of Applied Science, Technikumstrasse 81, 8401, Winterthur, Switzerland. 6. Department of Consultation-Liaison Psychiatry and Psychosomatic Medicine, University of Zurich, University Hospital Zurich, Ramistrasse 100, 8091, Zurich, Switzerland.
Abstract
BACKGROUND: Delirium is the most common neuropsychiatric presentation during hospitalization. In neurosurgery, studies on predisposing and precipitating risk factors for the development of delirium are rare but required for the individual risk estimation. METHODS: Prospective cohort study in a tertiary university center. In total, 949 neurosurgical patients, 307 with and 642 without delirium, were included. Demographic factors, neurosurgery-related, neurological, and medical clusters were tested as predictors of delirium in multiple logistic regression analyses. RESULTS: The incidence of delirium in this cohort of neurosurgical patients was 32.4%. Compared to patients without delirium, those with delirium were significantly older, more cognitively and neurologically impaired, transferred from hospitals and nursing homes, admitted as emergencies, longer hospitalized (16.2 vs. 9.5 days; p < 0.001), in greater need of intensive care management, and more frequently transferred to rehabilitation. Predisposing factors of delirium were stroke (OR 5.45, CI 2.12-14.0, p < 0.001), cardiac insufficiency (OR 4.59, CI 1.09-19.26, p = 0.038), cerebral neoplasm (OR 1.53, CI 0.92-2.54, p = 0.019), and age ≥ 65 years (OR 1.47, CI 1.03-2.09, p = 0.030). Precipitating factors of delirium were acute cerebral injury (OR 3.91, CI 2.24-6.83, p < 0.001), hydrocephalus (OR 3.10, CI 1.98-4.87, p < 0.001), and intracranial hemorrhage (OR 1.90, CI 1.23-2.94, p = 0.004). CONCLUSIONS: Delirium in acute neurosurgical patients was associated with longer hospitalization. Whereas common etiologies of delirium like infections and dementia, did not predict delirium, pre-existing neurovascular and traumatic diseases, as well as surgery-related events seem important risk factors contributing to delirium in neurosurgery.
BACKGROUND:Delirium is the most common neuropsychiatric presentation during hospitalization. In neurosurgery, studies on predisposing and precipitating risk factors for the development of delirium are rare but required for the individual risk estimation. METHODS: Prospective cohort study in a tertiary university center. In total, 949 neurosurgical patients, 307 with and 642 without delirium, were included. Demographic factors, neurosurgery-related, neurological, and medical clusters were tested as predictors of delirium in multiple logistic regression analyses. RESULTS: The incidence of delirium in this cohort of neurosurgical patients was 32.4%. Compared to patients without delirium, those with delirium were significantly older, more cognitively and neurologically impaired, transferred from hospitals and nursing homes, admitted as emergencies, longer hospitalized (16.2 vs. 9.5 days; p < 0.001), in greater need of intensive care management, and more frequently transferred to rehabilitation. Predisposing factors of delirium were stroke (OR 5.45, CI 2.12-14.0, p < 0.001), cardiac insufficiency (OR 4.59, CI 1.09-19.26, p = 0.038), cerebral neoplasm (OR 1.53, CI 0.92-2.54, p = 0.019), and age ≥ 65 years (OR 1.47, CI 1.03-2.09, p = 0.030). Precipitating factors of delirium were acute cerebral injury (OR 3.91, CI 2.24-6.83, p < 0.001), hydrocephalus (OR 3.10, CI 1.98-4.87, p < 0.001), and intracranial hemorrhage (OR 1.90, CI 1.23-2.94, p = 0.004). CONCLUSIONS:Delirium in acute neurosurgical patients was associated with longer hospitalization. Whereas common etiologies of delirium like infections and dementia, did not predict delirium, pre-existing neurovascular and traumatic diseases, as well as surgery-related events seem important risk factors contributing to delirium in neurosurgery.
Authors: Carl M Zipser; Tobias R Spiller; Florian F Hildenbrand; Annina Seiler; Jutta Ernst; Roland von Känel; Sharon K Inouye; Soenke Boettger Journal: J Am Med Dir Assoc Date: 2022-02-13 Impact factor: 7.802
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