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1.
BMJ Open ; 13(7): e072914, 2023 07 21.
Artigo em Inglês | MEDLINE | ID: mdl-37479511

RESUMO

OBJECTIVE: Belgium has been hit harder by COVID-19 than other countries in Europe. While clinical risk factors are well studied, socioeconomic risk factors remained underexplored. This study's objective was to analyse the social and clinical profile of patients hospitalised for COVID-19 during the two waves of 2020, compared with a control population in 2019 in two hospitals located in Brussels' most deprived area. DESIGN AND METHODS: We did a case-control study by using the minimal clinical data set in two Brussels hospitals. All patients hospitalised for COVID-19 in 2020, divided into two waves (n=3220), were compared with all patients hospitalised for viral pneumonia and respiratory diseases in 2019 (control population n=2950). Multinomial regression models were used to estimate the relative risk ratios of the association between the COVID-19 hospitalised populations (waves 1 and 2) and risk factors (social and clinical) stratified by age. RESULTS: Patients under 65 years of age and hospitalised for COVID-19 presented significantly higher rates (relative rate ratio (95% CI)), especially for the first wave, of obesity 1.6 (1.2-2.2), African nationalities 1.4 (1.0-1.8), lack of health insurance 1.6 (1.3-2.1), living in high-density population areas 1.6 (1.3-2.1) and low incomes 1.7 (1.4-2.1), compared with the control population For patients over 65 years of age, we did not observe significant excess of COVID-19 hospitalisations for any risk factors, except diabetes during for the second wave but we have a significant excess mortality rate than the control population for both waves (p<0.002). CONCLUSIONS: The social and clinical profile of patients hospitalised for COVID-19 compared with a population hospitalised for viral respiratory diseases differed between age groups and waves. For younger patients, risk factors were linked to patients' precarious situations. This study underlines the role of selected social health determinants and the importance of routinely collecting social data, along with clinical data, particularly among vulnerable populations.


Assuntos
COVID-19 , Pneumonia Viral , Infecções Respiratórias , Humanos , Estudos de Casos e Controles , Fatores de Risco
2.
PLOS Glob Public Health ; 3(7): e0002039, 2023.
Artigo em Inglês | MEDLINE | ID: mdl-37450479

RESUMO

BACKGROUND: In Belgium, the Brussels-Capital region was severely affected by the COVID-19 epidemic. Various hypotheses were mentioned in order to explain Brussels' excess disease spreading and mortality rate, but socioeconomic risk factors are increasingly recognized. This study's objective was to analyze clinical and social profiles of patients hospitalized for COVID-19, by nationality groups, in two hospitals located in Brussels's deprived and multiethnic areas. METHODS: Data covered hospitalized COVID-19 patients from two Brussels hospitals (n = 787) between the 1st of March 2020 and the 31st of June 2020. Social data was collected using hospital records, and clinical data was extracted from hospitals' COVID-19 databases. Multivariable logistic regression models were used to estimate the odds ratios (OR) of the association between two outcomes (Intensive Care Unit admission and mortality) and risk factors (social and clinical). RESULTS: Patients from Sub-Saharan Africa were younger, had a higher prevalence of obesity, lacked health insurance, and had the highest proportion of Intensive Care Unit (ICU) admission (27.7%) but the lowest mortality rates than other nationality groups. Patients from North Africa had a higher prevalence of diabetes compared to other nationality groups and a high proportion of European patients came from nursing homes. Patients deprived of health insurance had a higher risk of ICU admission compared to those who had insurance (OR IC95%; 1,9 1.1-3.6, p = 0.03). Other risk factors as sex and obesity were significantly associated to ICU admission and, age and hypertension were significantly associated to mortality. CONCLUSION: Social and clinical profile of the patients differs between the nationality groups, and some risk factors for Intensive Care Unit admission and mortality were linked to more patients' precarious situation as the availability of health insurance. This study underlines the role of selected social health determinants and the importance of routinely collecting social along with clinical data.

3.
BMJ Open ; 13(5): e069355, 2023 05 18.
Artigo em Inglês | MEDLINE | ID: mdl-37202131

RESUMO

INTRODUCTION: Data linkage systems have proven to be a powerful tool in support of combating and managing the COVID-19 pandemic. However, the interoperability and the reuse of different data sources may pose a number of technical, administrative and data security challenges. METHODS AND ANALYSIS: This protocol aims to provide a case study for linking highly sensitive individual-level information. We describe the data linkages between health surveillance records and administrative data sources necessary to investigate social health inequalities and the long-term health impact of COVID-19 in Belgium. Data at the national institute for public health, Statistics Belgium and InterMutualistic Agency are used to develop a representative case-cohort study of 1.2 million randomly selected Belgians and 4.5 million Belgians with a confirmed COVID-19 diagnosis (PCR or antigen test), of which 108 211 are COVID-19 hospitalised patients (PCR or antigen test). Yearly updates are scheduled over a period of 4 years. The data set covers inpandemic and postpandemic health information between July 2020 and January 2026, as well as sociodemographic characteristics, socioeconomic indicators, healthcare use and related costs. Two main research questions will be addressed. First, can we identify socioeconomic and sociodemographic risk factors in COVID-19 testing, infection, hospitalisations and mortality? Second, what is the medium-term and long-term health impact of COVID-19 infections and hospitalisations? More specific objectives are (2a) To compare healthcare expenditure during and after a COVID-19 infection or hospitalisation; (2b) To investigate long-term health complications or premature mortality after a COVID-19 infection or hospitalisation; and (2c) To validate the administrative COVID-19 reimbursement nomenclature. The analysis plan includes the calculation of absolute and relative risks using survival analysis methods. ETHICS AND DISSEMINATION: This study involves human participants and was approved by Ghent University hospital ethics committee: reference B.U.N. 1432020000371 and the Belgian Information Security Committee: reference Beraadslaging nr. 22/014 van 11 January 2022, available via https://www.ehealth.fgov.be/ehealthplatform/file/view/AX54CWc4Fbc33iE1rY5a?filename=22-014-n034-HELICON-project.pdf. Dissemination activities include peer-reviewed publications, a webinar series and a project website.The pseudonymised data are derived from administrative and health sources. Acquiring informed consent would require extra information on the subjects. The research team is prohibited from gaining additional knowledge on the study subjects by the Belgian Information Security Committee's interpretation of the Belgian privacy framework.


Assuntos
COVID-19 , Humanos , COVID-19/epidemiologia , Bélgica/epidemiologia , Teste para COVID-19 , SARS-CoV-2 , Pandemias , Estudos de Coortes
5.
Autoimmun Rev ; 15(6): 539-43, 2016 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-26876384

RESUMO

Relapsing polychondritis (RP) is a rare connective tissue disease in which recurrent bouts of inflammation, involve the cartilage of the ears, nose, larynx, tracheobronchial tree and cardiovascular system. RP is generally observed in the fourth and fifth decades of life and occurs with equal frequency in both sexes. The cause of RP is still unknown. It is considered an immune-mediated disease, as there is an overlap between well documented RP with other rheumatic and autoimmune diseases. There is a significant association of RP with the antigen HLA-DR4. RP includes loss of basophilic staining of cartilage matrix perichondral accompanied by inflammation of the cartilage. Cells are present perivascular mononuclear and polymorphonuclear cells infiltrated. The chondrocytes become vacuolated and necrotic and are replaced by fibrous tissue. Common symptoms are often absent in the early stages of the disease in almost half the cases, resulting in delay in diagnosis. The development of chondrite allows the diagnosis of RP in patients initially evaluated for joint abnormalities, ocular, cutaneous, or audio-vestibular. Diagnostic criteria for RP are based on characteristic clinical manifestations. According to Damiani and Levine, the diagnosis can be considered final when one or more of the clinical features are present in conjunction with biopsy confirmation. The course of symptoms for patients with relapsing polychondritis is often unpredictable. Patients with mild signs of acute inflammation are usually treated with non-steroidal anti-inflammatory drugs and small doses of prednisone. Patients with severe manifestations, such as airway compromise may require high doses of prednisone or even intravenous pulse methyl-prednisone.


Assuntos
Doenças Autoimunes/diagnóstico , Policondrite Recidivante/diagnóstico , Prednisona/uso terapêutico , Humanos
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