Publications by authors named "Clarissa I E Scheeren"

3 Publications

  • Page 1 of 1

Better COVID-19 Intensive Care Unit survival in females, independent of age, disease severity, comorbidities, and treatment.

Sci Rep 2022 01 14;12(1):734. Epub 2022 Jan 14.

Department of Intensive Care Medicine, Maastricht University Medical Center + (Maastricht UMC+), P. Debyelaan 25, 6229 HX, Maastricht, the Netherlands.

Although male Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) patients have higher Intensive Care Unit (ICU) admission rates and a worse disease course, a comprehensive analysis of female and male ICU survival and underlying factors such as comorbidities, risk factors, and/or anti-infection/inflammatory therapy administration is currently lacking. Therefore, we investigated the association between sex and ICU survival, adjusting for these and other variables. In this multicenter observational cohort study, all patients with SARS-CoV-2 pneumonia admitted to seven ICUs in one region across Belgium, The Netherlands, and Germany, and requiring vital organ support during the first pandemic wave were included. With a random intercept for a center, mixed-effects logistic regression was used to investigate the association between sex and ICU survival. Models were adjusted for age, Acute Physiology and Chronic Health Evaluation II (APACHE II) score, comorbidities, and anti-infection/inflammatory therapy. Interaction terms were added to investigate effect modifications by sex with country and sex with obesity. A total of 551 patients (29% were females) were included. Mean age was 65.4 ± 11.2 years. Females were more often obese and smoked less frequently than males (p-value 0.001 and 0.042, respectively). APACHE II scores of females and males were comparable. Overall, ICU mortality was 12% lower in females than males (27% vs 39% respectively, p-value < 0.01) with an odds ratio (OR) of 0.62 (95%CI 0.39-0.96, p-value 0.032) after adjustment for age and APACHE II score, 0.63 (95%CI 0.40-0.99, p-value 0.044) after additional adjustment for comorbidities, and 0.63 (95%CI 0.39-0.99, p-value 0.047) after adjustment for anti-infection/inflammatory therapy. No effect modifications by sex with country and sex with obesity were found (p-values for interaction > 0.23 and 0.84, respectively). ICU survival in female SARS-CoV-2 patients was higher than in male patients, independent of age, disease severity, smoking, obesity, comorbidities, anti-infection/inflammatory therapy, and country. Sex-specific biological mechanisms may play a role, emphasizing the need to address diversity, such as more sex-specific prediction, prognostic, and therapeutic approach strategies.
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January 2022

Differences and Similarities Among Coronavirus Disease 2019 Patients Treated in Seven ICUs in Three Countries Within One Region: An Observational Cohort Study.

Crit Care Med 2021 10 12. Epub 2021 Oct 12.

Department of Intensive Care, Ziekenhuis Oost-Limburg, Genk, Belgium. UHasselt, Faculty of Medicine and Life Sciences, Diepenbeek, Belgium. Department of Intensive Care, Maastricht University Medical Center +, Maastricht, The Netherlands. Department of Intensive Care, Laurentius Ziekenhuis, Roermond, The Netherlands. Care and Public Health Research Institute, Maastricht University, Maastricht, The Netherlands. Department of Intensive Care, Jessa Hospital, Hasselt, Belgium. Department of Intensive Care, VieCuri Medisch Centrum, Venlo, The Netherlands. Department of Intensive Care, Zuyderland Medisch Centrum, Heerlen/Sittard, The Netherlands. Department of Surgery, Maastricht University Medical Center +, Maastricht, The Netherlands. School for Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, The Netherlands. Cardiovascular Research Institute Maastricht, Maastricht, The Netherlands. Division for Acute and Emergency Medicine, Maastricht University Medical Center +, Maastricht, The Netherlands. Department of Intensive Care, University Hospital Rheinisch Westfälische Hochschule Aachen, Aachen, Germany.

Objectives: To investigate healthcare system-driven variation in general characteristics, interventions, and outcomes in coronavirus disease 2019 (COVID-19) patients admitted to the ICU within one Western European region across three countries.

Design: Multicenter observational cohort study.

Setting: Seven ICUs in the Euregio Meuse-Rhine, one region across Belgium, The Netherlands, and Germany.

Patients: Consecutive COVID-19 patients supported in the ICU during the first pandemic wave.

Interventions: None.

Measurements And Main Results: Baseline demographic and clinical characteristics, laboratory values, and outcome data were retrieved after ethical approval and data-sharing agreements. Descriptive statistics were performed to investigate country-related practice variation. From March 2, 2020, to August 12, 2020, 551 patients were admitted. Mean age was 65.4 ± 11.2 years, and 29% were female. At admission, Acute Physiology and Chronic Health Evaluation II scores were 15.0 ± 5.5, 16.8 ± 5.5, and 15.8 ± 5.3 (p = 0.002), and Sequential Organ Failure Assessment scores were 4.4 ± 2.7, 7.4 ± 2.2, and 7.7 ± 3.2 (p < 0.001) in the Belgian, Dutch, and German parts of Euregio, respectively. The ICU mortality rate was 22%, 42%, and 44%, respectively (p < 0.001). Large differences were observed in the frequency of organ support, antimicrobial/inflammatory therapy application, and ICU capacity. Mixed-multivariable logistic regression analyses showed that differences in ICU mortality were independent of age, sex, disease severity, comorbidities, support strategies, therapies, and complications.

Conclusions: COVID-19 patients admitted to ICUs within one region, the Euregio Meuse-Rhine, differed significantly in general characteristics, applied interventions, and outcomes despite presumed genetic and socioeconomic background, admission diagnosis, access to international literature, and data collection are similar. Variances in healthcare systems' organization, particularly ICU capacity and admission criteria, combined with a rapidly spreading pandemic might be important drivers for the observed differences. Heterogeneity between patient groups but also healthcare systems should be presumed to interfere with outcomes in coronavirus disease 2019.
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October 2021

The "sex gap" in COVID-19 trials: a scoping review.

EClinicalMedicine 2020 Dec 30;29:100652. Epub 2020 Nov 30.

Department of Obstetrics and Gynaecology, Maastricht University Medical Centre (MUMC+), Maastricht, the Netherlands.

Background: Many studies investigate the role of pharmacological treatments on disease course in Corona Virus Disease 2019 (COVID-19). Sex disparities in genetics, immunological responses, and hormonal mechanisms may underlie the substantially higher fatality rates reported in male COVID-19 patients. To optimise care for COVID-19 patients, prophylactic and therapeutic studies should include sex-specific design and analyses. Therefore, in this scoping review, we investigated whether studies on pharmacological treatment in COVID-19 were performed based on a priori sex-specific design or post-hoc sex-specific analyses.

Methods: We systematically searched PubMed, EMBASE, UpToDate, clinical, and MedRxiv for studies on pharmacological treatment for COVID-19 until June 6th, 2020. We included case series, randomized controlled trials, and observational studies in humans (≥18 years) investigating antiviral, antimalarial, and immune system modulating drugs. Data were collected on 1) the proportion of included females, 2) whether sex stratification was performed (a priori by design or post-hoc), and 3) whether effect modification by sex was investigated.

Findings: 30 studies were eligible for inclusion, investigating remdesivir ( = 2), lopinavir/ritonavir ( = 5), favipiravir ( = 1), umifenovir ( = 1), hydroxychloroquine/chloroquine ( = 8), convalescent plasma ( = 6), interleukin-6 (IL-6) pathway inhibitors ( = 5), interleukin-1 (IL-1) pathway inhibitors ( = 1) and corticosteroids ( = 3). Only one study stratified its data based on sex in a post-hoc analysis, whereas none did a priori by design. None of the studies investigated effect modification by sex. A quarter of the studies included twice as many males as females.

Interpretation: Analyses assessing potential interference of sex with (side-)effects of pharmacological therapy for COVID-19 are rarely reported. Considering sex differences in case-fatality rates and genetic, immunological, and hormonal mechanisms, studies should include sex-specific analyses in their design to optimise COVID-19 care.

Funding: None.
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December 2020