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J Alzheimers Dis ; 77(1): 67-73, 2020.
Article in English | MEDLINE | ID: covidwho-721452


BACKGROUND: Facing the novel coronavirus disease 2019 (COVID-19), most vulnerable individuals are seniors, especially those with comorbidities. More attention needs to been paid to the COVID-19 patients with Alzheimer's disease (AD), which is the top age-related neurodegenerative disease. OBJECTIVE: Since it is unclear whether AD patients are prone to COVID-19 infection and progression to severe stages, we report for the first time a retrospective analysis of the clinical characteristics of AD patients with COVID-19 pneumonia. METHODS: We conducted a retrospective cohort study of the clinical data of 19 AD patients with COVID-19 pneumonia, compared with 23 non-AD COVID-19 patients admitted at the same time to our hospital. Demographic, clinical, laboratory, radiological, and treatment data were collected and analyzed. RESULTS: Between AD patients and non-AD patients with COVID-19 pneumonia, the pneumonia severity was not significantly different. AD patients had a higher clustering onset than non-AD patients. The median duration from symptom onset to hospitalization were shorter in AD patients than non-AD patients, indicating the former were sent to the hospital by their family or from nursing home earlier than the later. The median duration from hospitalization to discharge seemed shorter in AD patients than non-AD patients. Dementia patients seemed less likely to report fatigue. It is noticed that more AD patients might have pericardial effusion than the non-AD patients. CONCLUSION: AD patients with COVID-19 were in milder conditions with a better prognosis than non-AD patients. AD patients who had adequate access to healthcare showed resilience to COVID-19 with shorter hospital stays.

Alzheimer Disease/complications , Alzheimer Disease/psychology , Coronavirus Infections/complications , Coronavirus Infections/psychology , Pneumonia, Viral/complications , Pneumonia, Viral/psychology , Resilience, Psychological , Aged , Aged, 80 and over , COVID-19 , Cluster Analysis , Cohort Studies , Disease Progression , Fatigue/etiology , Fatigue/psychology , Female , Humans , Length of Stay , Male , Middle Aged , Pandemics , Patient Discharge/statistics & numerical data , Pleural Effusion/epidemiology , Pleural Effusion/etiology , Pneumonia/complications , Pneumonia/therapy , Prognosis