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Gutowski M, Klimkiewicz J, Michałowski A, Ordak M, Możański M, Lubas A. ICU Delirium Is Associated with Cardiovascular Burden and Higher Mortality in Patients with Severe COVID-19 Pneumonia. J Clin Med 2023; 12:5049. [PMID: 37568451 PMCID: PMC10420272 DOI: 10.3390/jcm12155049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 07/13/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
BACKGROUND COVID-19 can lead to functional disorders and complications, e.g., pulmonary, thromboembolic, and neurological. The neuro-invasive potential of SARS-CoV-2 may result in acute brain malfunction, which manifests as delirium as a symptom. Delirium is a risk factor for death among patients hospitalized due to critical illness. Taking the above into consideration, the authors investigated risk factors for delirium in COVID-19 patients and its influence on outcomes. METHODS A total of 335 patients hospitalized due to severe forms of COVID-19 were enrolled in the study. Data were collected from medical charts. RESULTS Delirium occurred among 21.5% of patients. In the delirium group, mortality was significantly higher compared to non-delirium patients (59.7% vs. 28.5%; p < 0.001). Delirium increased the risk of death, with an OR of 3.71 (95% CI 2.16-6.89; p < 0.001). Age, chronic atrial fibrillation, elevated INR, urea, and procalcitonin, as well as decreased phosphates, appeared to be the independent risk factors for delirium occurrence. CONCLUSIONS Delirium occurrence in patients with severe COVID-19 significantly increases the risk of death and is associated with a cardiovascular burden. Hypophosphatemia is a promising reversible factor to reduce mortality in this group of patients. However, larger studies are essential in this area.
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Affiliation(s)
- Mateusz Gutowski
- Department of Anesthesiology and Intensive Care, Military Institute of Medicine—National Research Institute, 04-141 Warsaw, Poland; (J.K.); (A.M.); (M.M.)
| | - Jakub Klimkiewicz
- Department of Anesthesiology and Intensive Care, Military Institute of Medicine—National Research Institute, 04-141 Warsaw, Poland; (J.K.); (A.M.); (M.M.)
| | - Andrzej Michałowski
- Department of Anesthesiology and Intensive Care, Military Institute of Medicine—National Research Institute, 04-141 Warsaw, Poland; (J.K.); (A.M.); (M.M.)
| | - Michal Ordak
- Department of Pharmacotherapy and Pharmaceutical Care, Faculty of Pharmacy, Medical University of Warsaw, 02-097 Warsaw, Poland;
| | - Marcin Możański
- Department of Anesthesiology and Intensive Care, Military Institute of Medicine—National Research Institute, 04-141 Warsaw, Poland; (J.K.); (A.M.); (M.M.)
| | - Arkadiusz Lubas
- Department of Internal Diseases Nephrology and Dialysis, Military Institute of Medicine—National Research Institute, 04-141 Warsaw, Poland;
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Di Giorgio A, Mirijello A, De Gennaro C, Fontana A, Alboini PE, Florio L, Inchingolo V, Zarrelli M, Miscio G, Raggi P, Marciano C, Antonioni A, De Cosmo S, Aucella F, Greco A, Carella M, Copetti M, Leone MA. Factors Associated with Delirium in COVID-19 Patients and Their Outcome: A Single-Center Cohort Study. Diagnostics (Basel) 2022; 12:diagnostics12020544. [PMID: 35204633 PMCID: PMC8871116 DOI: 10.3390/diagnostics12020544] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/10/2022] [Accepted: 02/16/2022] [Indexed: 11/16/2022] Open
Abstract
Background: A significant proportion of patients with coronavirus disease 2019 (COVID-19) suffer from delirium during hospitalization. This single-center observational study investigates the occurrence of delirium, the associated risk factors and its impact on in-hospital mortality in an Italian cohort of COVID 19 inpatients. Methods: Data were collected in the COVID units of a general medical hospital in the South of Italy. Socio-demographic, clinical and pharmacological features were collected. Diagnosis of delirium was based on a two-step approach according to 4AT criteria and DSM5 criteria. Outcomes were: dates of hospital discharge, Intensive Care Unit (ICU) admission, or death, whichever came first. Univariable and multivariable proportional hazards Cox regression models were estimated, and risks were reported as hazard ratios (HR) along with their 95% confidence intervals (95% CI). Results: A total of 47/214 patients (22%) were diagnosed with delirium (21 hypoactive, 15 hyperactive, and 11 mixed). In the multivariable model, four independent variables were independently associated with the presence of delirium: dementia, followed by age at admission, C-reactive protein (CRP), and Glasgow Coma Scale. In turn, delirium was the strongest independent predictor of death/admission to ICU (composite outcome), followed by Charlson Index (not including dementia), CRP, and neutrophil-to-lymphocyte ratio. The probability of reaching the composite outcome was higher for patients with the hypoactive subtype than for those with the hyperactive subtype. Conclusions: Delirium was the strongest predictor of poor outcome in COVID-19 patients, especially in the hypoactive subtype. Several clinical features and inflammatory markers were associated with the increased risk of its occurrence. The early recognition of these factors may help clinicians to select patients who would benefit from both non-pharmacological and pharmacological interventions in order to prevent delirium, and in turn, reduce the risk of admission to ICU or death.
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Affiliation(s)
- Annabella Di Giorgio
- Neurology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.D.G.); (C.D.G.); (P.E.A.); (L.F.); (V.I.); (M.Z.)
| | - Antonio Mirijello
- Internal Medicine Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.M.); (S.D.C.)
| | - Clara De Gennaro
- Neurology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.D.G.); (C.D.G.); (P.E.A.); (L.F.); (V.I.); (M.Z.)
| | - Andrea Fontana
- Biostatistics Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.F.); (M.C.)
| | - Paolo Emilio Alboini
- Neurology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.D.G.); (C.D.G.); (P.E.A.); (L.F.); (V.I.); (M.Z.)
| | - Lucia Florio
- Neurology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.D.G.); (C.D.G.); (P.E.A.); (L.F.); (V.I.); (M.Z.)
| | - Vincenzo Inchingolo
- Neurology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.D.G.); (C.D.G.); (P.E.A.); (L.F.); (V.I.); (M.Z.)
| | - Michele Zarrelli
- Neurology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.D.G.); (C.D.G.); (P.E.A.); (L.F.); (V.I.); (M.Z.)
| | - Giuseppe Miscio
- Laboratory Medicine Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy;
| | - Pamela Raggi
- Scientific Research Department, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (P.R.); (C.M.); (M.C.)
| | - Carmen Marciano
- Scientific Research Department, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (P.R.); (C.M.); (M.C.)
| | - Annibale Antonioni
- Unit of Clinical Neurology, Department of Neuroscience and Rehabilitation, AOU Sant’Anna, 44124 Ferrara, Italy;
| | - Salvatore De Cosmo
- Internal Medicine Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.M.); (S.D.C.)
| | - Filippo Aucella
- Nephrology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy;
| | - Antonio Greco
- Geriatric Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy;
| | - Massimo Carella
- Scientific Research Department, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (P.R.); (C.M.); (M.C.)
| | - Massimiliano Copetti
- Biostatistics Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.F.); (M.C.)
| | - Maurizio A. Leone
- Neurology Unit, Fondazione IRCCS Casa Sollievo della Sofferenza, 71013 San Giovanni Rotondo, Italy; (A.D.G.); (C.D.G.); (P.E.A.); (L.F.); (V.I.); (M.Z.)
- Correspondence: ; Tel.: +39-0882-410964
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