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1.
EuropePMC; 2020.
Preprint in English | EuropePMC | ID: ppcovidwho-325246

ABSTRACT

Background: Dental staff were characterized with the tolerance of enduring stress and they are at a high risk to respiratory infectious disease. This study compared the anxiety level of the frontline dental staff (FDS) to the general public in Yichang during the coronavirus disease of 2019 (COVID-19) pandemic and examined potential explanatory factors to the differences. Methods: : Two online questionnaires were used separately to collect data from FDS and the general public. The Chinese version of Beck Anxiety Inventory (BAI) was included for the assessment of anxiety. Firstly, a Chi-square test was conducted to compare the anxiety state between these two groups. Then, a bivariate analysis using Cramer’s V and Eta squared was conducted to find the potential factors. Lastly, a binary logistic regression was performed to examine the association between potential factors and the anxiety state of FDS. Results: : In general, FDS were 4.342 (95% CI: 2.427-7.768) times more likely to suffer from anxiety disorders than the general public. The bivariate analysis showed that age, Level Three Protective Measures (PM-3), conflicts with patients and/or colleagues were moderately associated with the anxiety state of FDS. But the knowledge of COVID-19, the treatment to suspected or confirmed cases both had a weak association with the anxiety among FDS. Conversely, workload, the exposure to potential infectious substance and conducting aerosol generated performance were not significantly related to the anxiety of FDS. As the model indicated, an elder age and PM-3 protective measures could lower the anxiety state of FDS, whereas the conflict with patients or/and colleagues would worsen it. Conclusions: : During the COVID-19 pandemic, FDS were more likely to suffer from anxiety disorders than the general public. An elder age, sufficient personal protective measures and good relationships with colleagues and patients would help them to maintain good mental health.

2.
Adv Sci (Weinh) ; 8(23): e2102593, 2021 12.
Article in English | MEDLINE | ID: covidwho-1559092

ABSTRACT

Fast and accurate identification of microbial pathogens is critical for the proper treatment of infections. Traditional culture-based diagnosis in clinics is increasingly supplemented by metagenomic next-generation-sequencing (mNGS). Here, RNA/cDNA-targeted sequencing (meta-transcriptomics using NGS (mtNGS)) is established to reduce the host nucleotide percentage in clinic samples and by combining with Oxford Nanopore Technology (ONT) platforms (meta-transcriptomics using third-generation sequencing, mtTGS) to improve the sequencing time. It shows that mtNGS improves the ratio of microbial reads, facilitates bacterial identification using multiple-strategies, and discovers fungi, viruses, and antibiotic resistance genes, and displaying agreement with clinical findings. Furthermore, longer reads in mtTGS lead to additional improvement in pathogen identification and also accelerate the clinical diagnosis. Additionally, primary tests utilizing direct-RNA sequencing and targeted sequencing of ONT show that ONT displays important potential but must be further developed. This study presents the potential of RNA-targeted pathogen identification in clinical samples, especially when combined with the newest developments in ONT.


Subject(s)
Bronchoalveolar Lavage Fluid/microbiology , High-Throughput Nucleotide Sequencing/methods , Infections/genetics , Metagenomics/methods , RNA/genetics , Sequence Analysis, RNA/methods , Aged , Bronchoalveolar Lavage/methods , Female , Humans , Male , Metagenome/genetics , Middle Aged
3.
Int J Environ Res Public Health ; 18(1)2021 01 02.
Article in English | MEDLINE | ID: covidwho-1011538

ABSTRACT

COVID-19 patients always develop multiple organ dysfunction syndromes other than lungs, suggesting the novel virus SARS-CoV-2 also invades other organs. Therefore, studying the viral susceptibility of other organs is important for a deeper understanding of viral pathogenesis. Angiotensin-converting enzyme II (ACE2) is the receptor protein of SARS-CoV-2, and TMPRSS2 promotes virus proliferation and transmission. We investigated the ACE2 and TMPRSS2 expression levels of cell types from 31 organs to evaluate the risk of viral infection using single-cell RNA sequencing (scRNA-seq) data. For the first time, we found that the gall bladder and fallopian tube are vulnerable to SARS-CoV-2 infection. Besides, the nose, heart, small intestine, large intestine, esophagus, brain, testis, and kidney are also identified to be high-risk organs with high expression levels of ACE2 and TMPRSS2. Moreover, the susceptible organs are grouped into three risk levels based on the ACE2 and TMPRSS2 expression. As a result, the respiratory system, digestive system, and urinary system are at the top-risk level for SARS-CoV-2 infection. This study provides evidence for SARS-CoV-2 infection in the human nervous system, digestive system, reproductive system, respiratory system, circulatory system, and urinary system using scRNA-seq data, which helps in the clinical diagnosis and treatment of patients.


Subject(s)
Angiotensin-Converting Enzyme 2/genetics , COVID-19/genetics , Genetic Predisposition to Disease , RNA, Small Cytoplasmic/genetics , Serine Endopeptidases/genetics , Female , Gene Expression Profiling , Humans , Male , Single-Cell Analysis
4.
BMC Oral Health ; 20(1): 342, 2020 11 26.
Article in English | MEDLINE | ID: covidwho-945205

ABSTRACT

BACKGROUND: Dental staff were characterized with the tolerance of enduring stress and they are at a high risk to respiratory infectious disease. This study compared the anxiety level of the frontline dental staff (FDS) to the general public in Yichang during the coronavirus disease of 2019 (COVID-19) pandemic and examined potential explanatory factors to the differences. METHODS: Two online questionnaires were used separately to collect data from FDS and the general public. The Chinese version of Beck Anxiety Inventory (BAI) was included for the assessment of anxiety. Firstly, a Chi-square test was conducted to compare the anxiety state between these two groups. Then, a bivariate analysis using Cramer's V and Eta squared was conducted to find the potential factors. Lastly, a binary logistic regression was performed to examine the association between potential factors and the anxiety state of FDS. RESULTS: In general, FDS were 4.342 (95% CI: 2.427-7.768) times more likely to suffer from anxiety disorders than the general public. The bivariate analysis showed that age, Level Three Protective Measures (PM-3), conflicts with patients and/or colleagues were moderately associated with the anxiety state of FDS. But the knowledge of COVID-19, the treatment to suspected or confirmed cases both had a weak association with the anxiety among FDS. Conversely, workload, the exposure to potential infectious substance and conducting aerosol generated performance were not significantly related to the anxiety of FDS. As the model indicated, an elder age and PM-3 protective measures could lower the anxiety state of FDS, whereas the conflict with patients or/and colleagues would worsen it. CONCLUSIONS: During the COVID-19 pandemic, FDS were more likely to suffer from anxiety disorders than the general public. An elder age, sufficient personal protective measures and good relationships with colleagues and patients would help them to maintain good mental health.


Subject(s)
Anxiety/epidemiology , COVID-19/psychology , Dental Staff/psychology , Adult , China , Depression , Female , Humans , Male , Middle Aged , Pandemics , Young Adult
5.
Clin Chem Lab Med ; 58(8): 1172-1181, 2020 Jul 28.
Article in English | MEDLINE | ID: covidwho-608457

ABSTRACT

Objective Recently, there have been several studies on the clinical characteristics of patients with coronavirus disease 2019 (COVID-19); however, these studies have mainly been concentrated in Wuhan, China; the sample sizes of each article were different; and the reported clinical characteristics, especially blood biochemical indices, were quite different. This study aimed to summarize the blood biochemistry characteristics of COVID-19 patients by performing a systemic review and meta-analysis of published studies. Methods Comprehensive studies were screened from PubMed, Embase, and Cochrane Library through March 11, 2020. The inclusion criteria included studies investigating the biochemical indexes of patients with COVID-19. The statistical software R3.6.3 was used for meta-analysis. Results Ten studies including 1745 COVID-19 patients met the inclusion criteria for our meta-analysis. Meta-analysis showed that 16% and 20% of patients with COVID-19 had alanine transaminase (ALT) and aspartate aminotransferase (AST) levels higher than the normal range, respectively. Thirty-four percent of patients showed albumin (ALB) levels lower than the normal range, and 6% of patients showed abnormal total bilirubin (TBil) levels. The levels of creatinine (CRE) were increased in 8% of patients. The creatine kinase (CK) level of 13% of patients exceeded the normal range, and 52% of patients had elevated lactate dehydrogenase (LDH) levels. In addition, six studies met the inclusion criteria for the systemic review evaluating the relevance between LDH levels and the severity of COVID-19, and all six studies showed a positive association between these two factors. Conclusions Some patients with COVID-19 had different degrees of blood biochemical abnormalities, which might indicate multiple organ dysfunction. Some biochemical indexes, such as abnormal ALB and LDH, could reflect the severity of the disease to a certain extent. These blood biochemical indicators should be considered in the clinical management of the disease.


Subject(s)
Betacoronavirus , Blood Chemical Analysis/statistics & numerical data , Clinical Laboratory Techniques/statistics & numerical data , Coronavirus Infections/blood , Pneumonia, Viral/blood , COVID-19 , COVID-19 Testing , Coronavirus Infections/diagnosis , Humans , L-Lactate Dehydrogenase/blood , Pandemics , Regression Analysis , SARS-CoV-2 , Serum Albumin, Human/analysis
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