Cited by 660Intensive Care Unit Cognitive DisordersAnesthesia and Sedative AgentsAlcoholism and Thiamine Deficiency

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Delirium and Its Motoric Subtypes: A Study of 614 Critically Ill Patients

Peterson, Josh F., Pun, Brenda T., Dittus, Robert S., Thomason, Jason W. W., Jackson, James C., Shintani, Ayumi K., Ely, E. Wesley·2006·Journal of the American Geriatrics Society

DOI 10.1111/j.1532-5415.2005.00621.x

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Abstract

OBJECTIVES: To describe the motoric subtypes of delirium in critically ill patients and compare patients aged 65 and older with a younger cohort. DESIGN: Prospective cohort study. SETTING: The medical intensive care unit (MICU) of a tertiary care academic medical center. PARTICIPANTS: Six hundred fourteen MICU patients admitted during a process improvement initiative to monitor levels of sedation and delirium. MEASUREMENTS: MICU nursing staff assessed delirium and level of consciousness in all MICU patients at least once per 12-hour shift using the Confusion Assessment Method for the Intensive Care Unit and the Richmond Agitation-Sedation Scale. Delirium episodes were categorized as hypoactive, hyperactive, and mixed type. RESULTS: Delirium was detected in 112 of 156 (71.8%) subjects aged 65 and older and 263 of 458 (57.4%) subjects younger than 65. Mixed type was most common (54.9%), followed by hypoactive delirium (43.5%) and purely hyperactive delirium (1.6%). Patients aged 65 and older experienced hypoactive delirium at a greater rate than younger patients (41.0% vs 21.6%, P<.001) and never experienced hyperactive delirium. Older age was strongly and independently associated with hypoactive delirium (adjusted odds ratio=3.0, 95% confidence interval=1.7-5.3), compared with no delirium in a model that adjusted for other important determinants of delirium including severity of illness, sedative medication use, and ventilation status. CONCLUSION: Older age is a strong predictor of hypoactive delirium in MICU patients, and this motoric subtype of delirium may be missed in the absence of active monitoring.

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Kim, Y.-S., & Hong, S. J. (2015) · The Korean Journal of Critical Care Medicine · doi:10.4266/kjccm.2015.30.2.63 · Cited by 2
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“RASS -5, -4점은 섬망 평가를 할 수 없는 상태의 환자이므로 [16], 본 연구에서 중환자 섬망 선별도구에서 RASS 점수 -5, -4, 0점은 의식상태를 평가할 수 없고, 변화 없이 안정적인 것으로 0점, RASS 점수 -3~-1, +1~+4점은 의식상태에 변화가 있고 불안정 한 것으로 1점으로 평가하였다.”
Diagnosis of POD and POCD
Sawamura, S. (2017) · Springer eBooks · doi:10.1007/978-4-431-55624-4_7 · Cited by 2
Are Melatonin and its Agonist the Natural Solution for Prevention of Delirium in Critically Ill Patients? A Review of Current Studies
Aghakouchakzadeh, M., Izadpanah, M., Soltani, F., & Dianatkhah, M. (2017) · Jundishapur Journal of Natural Pharmaceutical Products · doi:10.5812/jjnpp.64305 · Cited by 2
“In non-ICU patients, hyperactive delirium is recognized, while it is not observed in older patients (33, 35).”
Background
Neurological, Pain, Sedation, and Delirium Assessment
Giusti, G. D., & Mistraletti, G. (2018) · Springer eBooks · doi:10.1007/978-3-319-50559-6_2 · Cited by 2
Neurocognitive Dysfunction and Geriatric Neurocritical Care
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Critical Care Recovery Center: Can a Geriatric Model of Care Guide Recovery of ICU Survivors?
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“Several delirium forms exist for motor aspects, the hypoactive and mixed forms being the most frequent [29].”
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Delirium: From the Operating Room to the ICU
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Authors: Peterson, J. F., Pun, B. T., Dittus, R. S., Thomason, J. W. W., Jackson, J. C., Shintani, A. K., & Ely, E. W.
Affiliations: Vanderbilt University Medical Center (US)
VA Tennessee Valley Healthcare System (US)
Corresponding author: Peterson, Josh F.
Ely, E. Wesley
ORCID: Peterson, Josh F.
Jackson, James C.
Shintani, Ayumi K.
Ely, E. Wesley
Venue: Journal of the American Geriatrics Society
Publisher: Wiley
Published: 2006-03
Volume: 54
Issue: 3
Pages: 479-484
ISSN: 0002-8614 (ISSN-L)
1532-5415
DOI: 10.1111/j.1532-5415.2005.00621.x
OpenAlex: W1505808688
Cited by: 660
References: 31
Citations by year: 2026: 11 · 2025: 17 · 2024: 32 · 2023: 37 · 2022: 21 · 2021: 33 · 2020: 32 · 2019: 45 · 2018: 44 · 2017: 41 · 2016: 48 · 2015: 37 · 2014: 29 · 2013: 42 · 2012: 44
FWCI: 27.31
Type: journal article
Language: en
Open access: closed
Licence: onlinelibrary.wiley.com/termsAndConditions#vor (vor)
Locations: Journal of the American Geriatrics Society (publishedVersion)
PubMed (publishedVersion)
Funders: Eli Lilly and Company
Pfizer
Topics: Health Sciences › Medicine › Critical Care and Intensive Care Medicine › Intensive Care Unit Cognitive Disorders
Health Sciences › Medicine › Anesthesiology and Pain Medicine › Anesthesia and Sedative Agents
Health Sciences › Medicine › Clinical Neurology › Alcoholism and Thiamine Deficiency
Keywords: delirium, hypoactive delirium, hyperactive delirium, mixed delirium, critically ill patients, older adults, intensive care unit, age as predictor, sedation, level of consciousness, delirium monitoring
MeSH terms: Age Factors, Aged, Critical Care, Delirium, Female, Follow-Up Studies, Humans, Male, Motor Activity, Prognosis, Prospective Studies, Severity of Illness Index, Incidence, Prevalence, Critical Illness

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Delirium and Its Motoric Subtypes: A Study of 614 Critically Ill Patients

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