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COVID, Volume 3, Issue 9

September 2023 - 17 articles

Cover Story: In a retrospective study with a case–control design, we addressed two research questions. First, we assessed the specificity of an absolutely elevated D-dimer value to predict pulmonary embolisms in COVID-19 patients upon admission to an ICU. During the ICU stay, D-dimers were measured twice weekly. Our second research question investigated the specificity of a D-dimer increment in patients with no PE upon an initial CT pulmonary angiogram for the development of a PE during an ICU stay. The results showed that strongly elevated D-dimers upon admission (> 9000 μg/L), or a marked increase in D-dimers during the ICU stay (> 8000 μg/L), have strong predictive values for pulmonary embolisms in critically ill COVID-19 patients, and may aid clinicians in choosing an appropriate diagnostic follow-up. View this paper
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Articles (17)

  • Article
  • Open Access
3 Citations
4,757 Views
16 Pages

Learning from Latin America: Coordinating Policy Responses across National and Subnational Levels to Combat COVID-19

  • Michael M. Touchton,
  • Felicia Marie Knaul,
  • Hector Arreola-Ornelas,
  • Renzo Calderon-Anyosa,
  • Silvia Otero-Bahamón,
  • Calla Hummel,
  • Pedro Pérez-Cruz,
  • Thalia Porteny,
  • Fausto Patino and
  • Patricia J. Garcia
  • + 5 authors

21 September 2023

We provide policy lessons for governments across Latin America by drawing on an original dataset of daily national and subnational non-pharmaceutical interventions (NPIs) during the COVID-19 pandemic for eight Latin American countries: Argentina, Bol...

  • Article
  • Open Access
2,370 Views
27 Pages

Psychosocial and Economic Risks of Institutional Quarantine in a Low-Resource Setting: Experiences of Affected Persons during the COVID-19 Pandemic in Uganda

  • Esther K. Nanfuka,
  • Agatha Kafuko,
  • Rita Nakanjako,
  • James T. Ssenfuuma,
  • Florence Turyomurugyendo and
  • Jingo Kasule

18 September 2023

Institutional quarantine was one of the key public health measures used to control the spread of the Corona Virus Disease 2019 (COVID-19). Institutional quarantine has been associated with several psychosocial and economic risks. However, little is k...

  • Review
  • Open Access
8 Citations
6,596 Views
19 Pages

A Comprehensive Analysis of Structural and Functional Changes Induced by SARS-CoV-2 Spike Protein Mutations

  • Aganze Gloire-Aimé Mushebenge,
  • Samuel Chima Ugbaja,
  • Nonkululeko Avril Mbatha,
  • Rene B. Khan and
  • Hezekiel M. Kumalo

16 September 2023

The emergence of SARS-CoV-2, the virus responsible for the COVID-19 pandemic, has sparked intense research on its spike protein, which is essential for viral entrance into host cells. Viral reproduction and transmission, host immune response regulati...

  • Case Report
  • Open Access
2,745 Views
14 Pages

15 September 2023

The objective of this study was to explore the potential enhancement of response within GP medical centres in New Zealand when facing heightened healthcare demand during a pandemic. This investigation sheds light on effective crisis management and le...

  • Article
  • Open Access
1 Citations
5,820 Views
11 Pages

Association of ABO Blood Type with Infection and Severity of COVID-19 in Inpatient and Longitudinal Cohorts

  • Tiffany Eatz,
  • Alejandro Max Antonio Mantero,
  • Erin Williams,
  • Charles J. Cash,
  • Nathalie Perez,
  • Zachary J. Cromar,
  • Adiel Hernandez,
  • Matthew Cordova,
  • Neha Godbole and
  • Anh Le
  • + 6 authors

14 September 2023

The objectives of this study were to (1) investigate the association between human blood type and COVID-19 in both inpatient and longitudinal populations and (2) identify the association between blood type and severity of COVID-19 via presence of cel...

  • Article
  • Open Access
2,642 Views
13 Pages

Seroprevalence of IgA and IgG against SARS-CoV-2 and Risk Factors in Workers from Public Markets of Guatemala

  • Laura M. Grajeda,
  • Renata Mendizábal-Cabrera,
  • Juan Carlos Romero,
  • María Reneé López,
  • Evelyn Morales,
  • Beatriz López,
  • Emily Zielinski and
  • Celia Cordón-Rosales

14 September 2023

Public market workers may be disproportionally exposed to SARS-CoV-2 due to interactions with shoppers. We aimed to estimate the seroprevalence of SARS-CoV-2 and determine whether occupation or adherence to preventive practices were associated with e...

  • Review
  • Open Access
1 Citations
4,296 Views
27 Pages

Advances in the Development of Representation Learning and Its Innovations against COVID-19

  • Peng Li,
  • Mosharaf Md Parvej,
  • Chenghao Zhang,
  • Shufang Guo and
  • Jing Zhang

13 September 2023

In bioinformatics research, traditional machine-learning methods have demonstrated efficacy in addressing Euclidean data. However, real-world data often encompass non-Euclidean forms, such as graph data, which contain intricate structural patterns or...

  • Brief Report
  • Open Access
2,635 Views
9 Pages

D-Dimer Assessment to Predict Pulmonary Embolism in ICU Patients with COVID-19 Pneumonia

  • Jelger Louwsma,
  • Bas Langeveld,
  • Jacqueline M. Luyendijk and
  • Huub L. A. van den Oever

6 September 2023

The value of D-dimer assessments in ICU patients with COVID-19 for the prediction of pulmonary embolism (PE) is unclear. The present study had two purposes: 1. To assess the specificity of elevated absolute D-dimer values for PE on admission to the I...

  • Article
  • Open Access
1 Citations
3,014 Views
24 Pages

4 September 2023

This paper highlights curriculum and policy reforms and innovations in a Higher Education (HE) institution in response to undergraduate student perspectives about the phenomenon of the COVID-19 restrictions imposed by the New Zealand government (2020...

  • Article
  • Open Access
3 Citations
2,288 Views
20 Pages

Enhancing Feature Selection Optimization for COVID-19 Microarray Data

  • Gayani Krishanthi,
  • Harshanie Jayetileke,
  • Jinran Wu,
  • Chanjuan Liu and
  • You-Gan Wang

4 September 2023

The utilization of gene selection techniques is crucial when dealing with extensive datasets containing limited cases and numerous genes, as they enhance the learning processes and improve overall outcomes. In this research, we introduce a hybrid met...

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COVID - ISSN 2673-8112