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Forget MF, Del Degan S, Leblanc J, Tannous R, Desjardins M, Durand M, Vu TTM, Nguyen QD, Desmarais P. Delirium and Inflammation in Older Adults Hospitalized for COVID-19: A Cohort Study. Clin Interv Aging 2021; 16:1223-1230. [PMID: 34234422 PMCID: PMC8242147 DOI: 10.2147/cia.s315405] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/10/2021] [Indexed: 01/08/2023] Open
Abstract
Purpose The occurrence and predictors of delirium in older adults hospitalized for coronavirus disease 2019 (COVID-19) have not been well described. Highlighting the association with inflammatory markers may be useful for identifying delirium. This study aimed to determine the prevalence and incidence of delirium and explore its association with the C-reactive protein (CRP). Patients and Methods This cohort study of adults aged 65 and older with a COVID-19 diagnosis took place at an academic healthcare institution between April and May 2020. COVID-19 was diagnosed by positive nasopharyngeal swab. Serum levels of CRP were collected as a marker of systemic inflammation. The primary outcome was the prevalence and incidence of delirium. Delirium was diagnosed primarily during a patient's stay in hospital based on the Diagnostic and Statistical Manual of Mental Disorders Fifth Edition (DSM-5). To ensure that no delirium diagnosis was missed during hospital stay, clinical records were reviewed by clinicians with geriatric medicine training for retrospective diagnoses. Results A total of 127 patients aged 65 and older were hospitalized with a diagnosis of COVID-19. The median age was 82 years (IQR: 74–88), with 54 (43%) females. Overall, delirium was present in 62 (49%) patients: manifestations of delirium were present on the first day of hospitalization in 53 of these cases (86%), while 9 cases (14%) developed delirium during hospitalization. After controlling for age and sex, the mean CRP value over the first 3 days since arrival was associated with a higher risk of delirium (OR 1.35; 95% CI: 1.01–1.85) for every 50 mg/L increase. Conclusion In this cohort of older adults hospitalized for COVID-19, delirium was highly prevalent. An early increase in CRP levels should raise suspicion about the occurrence of delirium and could improve its diagnosis.
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Affiliation(s)
- Marie-France Forget
- Department of Medicine, Division of Geriatrics, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Sophie Del Degan
- Department of Medicine, Division of Geriatrics, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Julie Leblanc
- Department of Medicine, Division of Geriatrics, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Rita Tannous
- Department of Medicine, Division of Geriatrics, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Michaël Desjardins
- Department of Medicine, Division of Infectious Disease, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Madeleine Durand
- Department of Medicine, Division of Internal Medicine, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada.,Innovation Hub, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Thien Tuong Minh Vu
- Department of Medicine, Division of Geriatrics, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada.,Department of Neurosciences, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Quoc Dinh Nguyen
- Department of Medicine, Division of Geriatrics, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada.,Innovation Hub, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
| | - Philippe Desmarais
- Department of Medicine, Division of Geriatrics, Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada.,Department of Neurosciences, Centre de Recherche du Centre Hospitalier de l'Université de Montréal, Montréal, Québec, Canada
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Reppas-Rindlisbacher C, Siddhpuria S, Wong EKC, Lee JY, Gabor C, Curkovic A, Khalili Y, Mavrak C, De Freitas S, Eshak K, Patterson C. Implementation of a multicomponent intervention sign to reduce delirium in orthopaedic inpatients (MIND-ORIENT): a quality improvement project. BMJ Open Qual 2021; 10:bmjoq-2020-001186. [PMID: 33526446 PMCID: PMC7853031 DOI: 10.1136/bmjoq-2020-001186] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 01/11/2021] [Accepted: 01/16/2021] [Indexed: 11/11/2022] Open
Abstract
Delirium is a serious and common condition that leads to significant adverse health outcomes for hospitalised older adults. It occurs in 30%–55% of patients with hip fractures and is one of the most common postoperative complications in older adults undergoing orthopaedic surgery. Multicomponent, non-pharmacological interventions can reduce delirium incidence by up to 30% but are often challenging to implement as part of routine care. We identified a gap in the delivery of non-pharmacological interventions on an orthopaedic unit. This project aimed to implement a bedside sign on an orthopaedic unit to reduce the occurrence of delirium by prompting staff to use multicomponent evidence-based delirium prevention strategies for at-risk older adults. Quality improvement methods were used to integrate and optimise the use of a bedside ‘delirium prevention’ sign on an orthopaedic unit. The sign was implemented in four target rooms and sign completion rates increased from 47% to 83% (95% CI 71.7% to 94.9%; p<0.001) over a 10-month period. The sign did not have a significant impact on delirium prevalence. The mean Confusion Assessment Method (CAM)+ rate during the baseline period was 8% with an absolute increase in the intervention period to 11.4% (95% CI 7.2% to 15.8%; p=0.31). There were no significant shifts or trends in the run chart for the proportion of patients with CAM+ scores over time. The sign was well received by staff, who reported it was a worthwhile use of time and prompted use of non-pharmacological interventions. This quality improvement project successfully integrated a novel, low-cost, feasible and evidence-based approach into routine clinical care to support staff to deliver non-pharmacological interventions. Given the increased pressures on front-line staff in hospital, tools that reduce cognitive load at the bedside are important to consider when caring for a vulnerable older adult patient population.
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Affiliation(s)
| | - Shailee Siddhpuria
- Faculty of Medicine, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Eric Kai-Chung Wong
- Division of Geriatric Medicine, University of Toronto Department of Medicine, Toronto, Ontario, Canada.,Geriatric Education and Research in Aging Science (GERAS) Centre, McMaster University, Hamilton, Ontario, Canada
| | - Justin Yusen Lee
- Geriatric Education and Research in Aging Science (GERAS) Centre, McMaster University, Hamilton, Ontario, Canada.,Division of Geriatric Medicine, McMaster University Department of Medicine, Hamilton, Ontario, Canada.,Hamilton Health Sciences, Hamilton, Ontario, Canada
| | | | | | | | | | - Sandra De Freitas
- Hamilton Health Sciences, Hamilton, Ontario, Canada.,Joseph Brant Memorial Hospital, Burlington, Ontario, Canada
| | - Kristeen Eshak
- Division of Geriatric Medicine, McMaster University Department of Medicine, Hamilton, Ontario, Canada
| | - Christopher Patterson
- Geriatric Education and Research in Aging Science (GERAS) Centre, McMaster University, Hamilton, Ontario, Canada .,Division of Geriatric Medicine, McMaster University Department of Medicine, Hamilton, Ontario, Canada.,Hamilton Health Sciences, Hamilton, Ontario, Canada
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