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  • 1
    Online Resource
    Online Resource
    Neurological manifestations of COVID-19 in adults and children
    Oxford University Press (OUP) ; 2023
    In:  Brain Vol. 146, No. 4 ( 2023-04-19), p. 1648-1661
    Details
    In: Brain, Oxford University Press (OUP), Vol. 146, No. 4 ( 2023-04-19), p. 1648-1661
    Abstract: Different neurological manifestations of coronavirus disease 2019 (COVID-19) in adults and children and their impact have not been well characterized. We aimed to determine the prevalence of neurological manifestations and in-hospital complications among hospitalized COVID-19 patients and ascertain differences between adults and children. We conducted a prospective multicentre observational study using the International Severe Acute Respiratory and emerging Infection Consortium (ISARIC) cohort across 1507 sites worldwide from 30 January 2020 to 25 May 2021. Analyses of neurological manifestations and neurological complications considered unadjusted prevalence estimates for predefined patient subgroups, and adjusted estimates as a function of patient age and time of hospitalization using generalized linear models. Overall, 161 239 patients (158 267 adults; 2972 children) hospitalized with COVID-19 and assessed for neurological manifestations and complications were included. In adults and children, the most frequent neurological manifestations at admission were fatigue (adults: 37.4%; children: 20.4%), altered consciousness (20.9%; 6.8%), myalgia (16.9%; 7.6%), dysgeusia (7.4%; 1.9%), anosmia (6.0%; 2.2%) and seizure (1.1%; 5.2%). In adults, the most frequent in-hospital neurological complications were stroke (1.5%), seizure (1%) and CNS infection (0.2%). Each occurred more frequently in intensive care unit (ICU) than in non-ICU patients. In children, seizure was the only neurological complication to occur more frequently in ICU versus non-ICU (7.1% versus 2.3%, P & lt; 0.001). Stroke prevalence increased with increasing age, while CNS infection and seizure steadily decreased with age. There was a dramatic decrease in stroke over time during the pandemic. Hypertension, chronic neurological disease and the use of extracorporeal membrane oxygenation were associated with increased risk of stroke. Altered consciousness was associated with CNS infection, seizure and stroke. All in-hospital neurological complications were associated with increased odds of death. The likelihood of death rose with increasing age, especially after 25 years of age. In conclusion, adults and children have different neurological manifestations and in-hospital complications associated with COVID-19. Stroke risk increased with increasing age, while CNS infection and seizure risk decreased with age.
    Type of Medium: Online Resource
    ISSN: 0006-8950 , 1460-2156
    URL: Article
    DOI: 10.1093/brain/awac332
    RVK:
    XA 10000
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2023
    detail.hit.zdb_id: 1474117-9
    SSG: 12
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  • 2
    Online Resource
    Online Resource
    COVID-19 symptoms at hospital admission vary with age and sex: results from the ISARIC prospective multinational observational study
    Springer Science and Business Media LLC ; 2021
    In:  Infection Vol. 49, No. 5 ( 2021-10), p. 889-905
    Details
    In: Infection, Springer Science and Business Media LLC, Vol. 49, No. 5 ( 2021-10), p. 889-905
    Abstract: The ISARIC prospective multinational observational study is the largest cohort of hospitalized patients with COVID-19. We present relationships of age, sex, and nationality to presenting symptoms. Methods International, prospective observational study of 60 109 hospitalized symptomatic patients with laboratory-confirmed COVID-19 recruited from 43 countries between 30 January and 3 August 2020. Logistic regression was performed to evaluate relationships of age and sex to published COVID-19 case definitions and the most commonly reported symptoms. Results ‘Typical’ symptoms of fever (69%), cough (68%) and shortness of breath (66%) were the most commonly reported. 92% of patients experienced at least one of these. Prevalence of typical symptoms was greatest in 30- to 60-year-olds (respectively 80, 79, 69%; at least one 95%). They were reported less frequently in children (≤ 18 years: 69, 48, 23; 85%), older adults (≥ 70 years: 61, 62, 65; 90%), and women (66, 66, 64; 90%; vs. men 71, 70, 67; 93%, each P   〈  0.001). The most common atypical presentations under 60 years of age were nausea and vomiting and abdominal pain, and over 60 years was confusion. Regression models showed significant differences in symptoms with sex, age and country. Interpretation This international collaboration has allowed us to report reliable symptom data from the largest cohort of patients admitted to hospital with COVID-19. Adults over 60 and children admitted to hospital with COVID-19 are less likely to present with typical symptoms. Nausea and vomiting are common atypical presentations under 30 years. Confusion is a frequent atypical presentation of COVID-19 in adults over 60 years. Women are less likely to experience typical symptoms than men.
    Type of Medium: Online Resource
    ISSN: 0300-8126 , 1439-0973
    URL: Article
    DOI: 10.1007/s15010-021-01599-5
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2006315-5
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  • 3
    Online Resource
    Online Resource
    Characteristics and outcomes of an international cohort of 600 000 hospitalized patients with COVID-19
    Oxford University Press (OUP) ; 2023
    In:  International Journal of Epidemiology Vol. 52, No. 2 ( 2023-04-19), p. 355-376
    Details
    In: International Journal of Epidemiology, Oxford University Press (OUP), Vol. 52, No. 2 ( 2023-04-19), p. 355-376
    Abstract: We describe demographic features, treatments and clinical outcomes in the International Severe Acute Respiratory and emerging Infection Consortium (ISARIC) COVID-19 cohort, one of the world's largest international, standardized data sets concerning hospitalized patients. Methods The data set analysed includes COVID-19 patients hospitalized between January 2020 and January 2022 in 52 countries. We investigated how symptoms on admission, co-morbidities, risk factors and treatments varied by age, sex and other characteristics. We used Cox regression models to investigate associations between demographics, symptoms, co-morbidities and other factors with risk of death, admission to an intensive care unit (ICU) and invasive mechanical ventilation (IMV). Results Data were available for 689 572 patients with laboratory-confirmed (91.1%) or clinically diagnosed (8.9%) SARS-CoV-2 infection from 52 countries. Age [adjusted hazard ratio per 10 years 1.49 (95% CI 1.48, 1.49)] and male sex [1.23 (1.21, 1.24)] were associated with a higher risk of death. Rates of admission to an ICU and use of IMV increased with age up to age 60 years then dropped. Symptoms, co-morbidities and treatments varied by age and had varied associations with clinical outcomes. The case-fatality ratio varied by country partly due to differences in the clinical characteristics of recruited patients and was on average 21.5%. Conclusions Age was the strongest determinant of risk of death, with a ∼30-fold difference between the oldest and youngest groups; each of the co-morbidities included was associated with up to an almost 2-fold increase in risk. Smoking and obesity were also associated with a higher risk of death. The size of our international database and the standardized data collection method make this study a comprehensive international description of COVID-19 clinical features. Our findings may inform strategies that involve prioritization of patients hospitalized with COVID-19 who have a higher risk of death.
    Type of Medium: Online Resource
    ISSN: 0300-5771 , 1464-3685
    URL: Article
    DOI: 10.1093/ije/dyad012
    RVK:
    XF 4100
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2023
    detail.hit.zdb_id: 1494592-7
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  • 4
    Online Resource
    Online Resource
    Clinical characteristics, risk factors and outcomes in patients with severe COVID-19 registered in the International Severe Acute Respiratory and Emerging Infection Consortium WHO clinical characterisation protocol: a prospective, multinational, multicentre, observational study
    European Respiratory Society (ERS) ; 2022
    In:  ERJ Open Research Vol. 8, No. 1 ( 2022-01), p. 00552-2021-
    Details
    In: ERJ Open Research, European Respiratory Society (ERS), Vol. 8, No. 1 ( 2022-01), p. 00552-2021-
    Abstract: Due to the large number of patients with severe coronavirus disease 2019 (COVID-19), many were treated outside the traditional walls of the intensive care unit (ICU), and in many cases, by personnel who were not trained in critical care. The clinical characteristics and the relative impact of caring for severe COVID-19 patients outside the ICU is unknown. This was a multinational, multicentre, prospective cohort study embedded in the International Severe Acute Respiratory and Emerging Infection Consortium World Health Organization COVID-19 platform. Severe COVID-19 patients were identified as those admitted to an ICU and/or those treated with one of the following treatments: invasive or noninvasive mechanical ventilation, high-flow nasal cannula, inotropes or vasopressors. A logistic generalised additive model was used to compare clinical outcomes among patients admitted or not to the ICU. A total of 40 440 patients from 43 countries and six continents were included in this analysis. Severe COVID-19 patients were frequently male (62.9%), older adults (median (interquartile range (IQR), 67 (55–78) years), and with at least one comorbidity (63.2%). The overall median (IQR) length of hospital stay was 10 (5–19) days and was longer in patients admitted to an ICU than in those who were cared for outside the ICU (12 (6–23) days versus 8 (4–15) days, p 〈 0.0001). The 28-day fatality ratio was lower in ICU-admitted patients (30.7% (5797 out of 18 831) versus 39.0% (7532 out of 19 295), p 〈 0.0001). Patients admitted to an ICU had a significantly lower probability of death than those who were not (adjusted OR 0.70, 95% CI 0.65–0.75; p 〈 0.0001). Patients with severe COVID-19 admitted to an ICU had significantly lower 28-day fatality ratio than those cared for outside an ICU.
    Type of Medium: Online Resource
    ISSN: 2312-0541
    URL: Article
    URL: Article
    DOI: 10.1183/23120541.00552-2021
    DOI: 10.1183/23120541.00552-2021.Supp1
    Language: English
    Publisher: European Respiratory Society (ERS)
    Publication Date: 2022
    detail.hit.zdb_id: 2827830-6
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  • 5
    Online Resource
    Online Resource
    Sex differences in post-acute neurological sequelae of SARS-CoV-2 and symptom resolution in adults after COVID-19 hospitalization: an international multicenter prospective observational study
    Oxford University Press (OUP) ; 2024
    In:  Brain Communications
    Details
    In: Brain Communications, Oxford University Press (OUP)
    Abstract: Although it is known that COVID-19 can present with a range of neurological manifestations and in-hospital complications, sparse data exist if these initial neurological symptoms of COVID-19 are closely associated with post-acute neurological sequelae of SARS-CoV-2 (PANSC) and if female versus male sex impacts the symptom resolution. In this international, multicentre, prospective observational study across 407 sites from 15 countries (January/30th/2020-April/30th/2022), we report the prevalence and risk factors of PANSC among hospitalized adults and investigate the differences between males and females on neurological symptom resolution over time. PANSC included altered consciousness/confusion, fatigue/malaise, anosmia, dysgeusia, and muscle aches/joint pain, which were collected at the index hospitalization and during the follow-up assessments. The analysis considered time to resolution of individual and all neurological symptoms. Resulting times were modeled by Weibull regression, assuming mixed-case interval censoring, with sex and age included as covariates. Model results were summarized as cumulative probability functions and age- and sex-adjusted median times to resolution. We included 6,862 hospitalized adults with COVID-19, who had follow-up assessments. The median age of participants was 57 years (39.2% females). Males and females had similar baseline characteristics except that more males (vs. females) were admitted to Intensive Care Unit (30.5% vs. 20.3%) and received mechanical ventilation (17.2% vs. 11.8%). Approximately 70% of patients had multiple neurological symptoms at the first follow-up (median=102 days). Fatigue (49.9%) and myalgia/arthralgia (45.2%) were the most prevalent symptoms of PANSC at the initial follow-up. Reported prevalence in females was generally higher (vs. males) for all symptoms. At 12 months, anosmia and dysgeusia were resolved in most patients, though fatigue, altered consciousness, and myalgia remained unresolved in & gt;10% of the cohort. Females had a longer time to resolution (5.2 vs. 3.4 months) of neurological symptoms at follow-up for those with more than one neurological symptom. In multivariable analysis, males were associated with a shorter time to resolution of symptoms (Hazard Ratio=1.53; 95% Confidence Interval =1.39–1.69). Intensive Care Unit admission was associated with a longer time to the resolution of symptoms (Hazard Ratio =0.68; 95% Confidence Interval=0.60–0.77). Post-discharge stroke was uncommon (0.3% in females; 0.5% in males). Despite the methodological challenges of survey data, this international multicentre prospective cohort study demonstrates that PANSC following index hospitalization is high. Symptom prevalence was higher and took longer to resolve in females than in males. This supports that whilst males were sicker during acute illness, females were disproportionately affected by PANSC.
    Type of Medium: Online Resource
    ISSN: 2632-1297
    URL: Article
    DOI: 10.1093/braincomms/fcae036
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2024
    detail.hit.zdb_id: 3020013-1
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