Delirium Severely Worsens Outcome in Patients with COVID-19—A Retrospective Cohort Study from Temporary Critical Care Hospitals

Delirium is a sign of deterioration of homeostasis and worse prognosis. The aim of this study was to investigate the frequency, risk factors and prognosis of delirium in patients with COVID-19 in a temporary acute setting hospital. A retrospective cohort analysis of data collected between October 20...

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Published in:Journal of clinical medicine 2021-07, Vol.10 (13), p.2974
Main Authors: Kotfis, Katarzyna, Witkiewicz, Wojciech, Szylińska, Aleksandra, Witkiewicz, Karina, Nalewajska, Magdalena, Feret, Wiktoria, Wojczyński, Łukasz, Duda, Łukasz, Ely, Eugene Wesley
Format: Article
Language:English
Subjects:
Clinical medicine
Cohort analysis
Consciousness
Coronaviruses
COVID-19
Critical care
Delirium
Hospitalization
Infections
Intensive care
Laboratories
Length of stay
Medical prognosis
Nervous system
Neutrophils
Pandemics
Patients
Severe acute respiratory syndrome coronavirus 2
Ventilators
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Summary:Delirium is a sign of deterioration of homeostasis and worse prognosis. The aim of this study was to investigate the frequency, risk factors and prognosis of delirium in patients with COVID-19 in a temporary acute setting hospital. A retrospective cohort analysis of data collected between October 2020 and February 2021 from two temporary acute care hospitals was performed. All consecutive hospitalized patients ≥18 years old with COVID-19 were included. An assessment of consciousness was carried out at least two times a day, including neurological examination. Delirium was identified through retrospective chart review according to DSM-5 criteria if present at least once during hospitalization. Analysis included 201 patients, 39 diagnosed with delirium (19.4%). Delirious patients were older (p < 0.001), frailer (p < 0.001) and the majority were male (p = 0.002). Respiratory parameters were worse in this group with higher oxygen flow (p = 0.013), lower PaO2 (p = 0.043) and higher FiO2 (p = 0.006). The mortality rate was significantly higher in patients with delirium (46.15% vs 3.70%, p < 0.001) with OR 17.212 (p < 0.001) corrected for age and gender. Delirious patients experienced significantly more complications: cardiovascular (OR 7.72, p < 0.001), pulmonary (OR 8.79, p < 0.001) or septic (OR 3.99, p = 0.029). The odds of mortality in patients with COVID-19 presenting with delirium at any point of hospitalization were seventeen times higher.
ISSN:2077-0383
2077-0383
DOI:10.3390/jcm10132974