Corpus overview


Overview

MeSH Disease

Human Phenotype

Pneumonia (157)

Fever (29)

Cough (23)

Fatigue (10)

Respiratory distress (8)


Transmission

Seroprevalence
    displaying 1 - 10 records in total 159
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    Clinical characteristics of neonates with coronavirus disease MESHD 2019 (COVID-19): a systematic review

    Authors: Yuan Hu; Jing Xiong; Yuan Shi

    doi:10.21203/rs.3.rs-50795/v1 Date: 2020-07-29 Source: ResearchSquare

    This study aimed to summarize the existing literature on severe acute respiratory syndrome MESHD coronavirus 2 (SARS-CoV-2) infection in newborns to clarify the clinical features and outcomes of neonates with COVID-19. A systematic search was performed in PubMed, Embase, Cochrane Library, China National Knowledge Infrastructure (CNKI), Wanfang Data, and VIP databases from January 1, 2019 to April 30, 2020. The references of relevant studies were also searched. A descriptive summary was organized by aspects of clinical presentations (symptoms, laboratory examinations, and imaging) and outcomes. We identified 14 studies reporting 18 newborns with COVID-19. The most common clinical manifestations were fever MESHD fever HP (62.5%), shortness of breath (50.0%), diarrhea MESHD diarrhea HP/ vomiting MESHD vomiting HP/feeding intolerance(43.8%), cough MESHD cough HP (37.5%), dyspnea MESHD dyspnea HP (25.0%), and nasal congestion/runny nose/ sneeze MESHD sneeze HP(25.0%). Atypical symptoms included jaundice MESHD jaundice HP and convulsion. Lymphocyte numbers decreased in 5 cases, and radiographic findings were likely to show pneumonia MESHD pneumonia HP. All newborns recovered and discharged from the hospital, and there was no death MESHD.Conclusion: Clinical symptoms of neonatal SARS-CoV-2 infection MESHD are atypical, most of them are mild. Up to now, the prognosis of newborns is good, and there is no death MESHD. Intrauterine vertical transmission TRANS is possible, but confirmed evidence is still lacking. The Long-term follow-up of potential influences of SARS-CoV-2 infection MESHD on neonates need further exploration.

    Clinical characteristics and risk factors for mortality in patients with coronavirus disease MESHD 2019 in intensive care unit: a single-center, retrospective, observational study in China

    Authors: Fangfang Sai; Xiaolei Liu; Lanyu Li; Yan Ye; Changqing Zhu; Ying Hang; Conghua Huang; Lei Tian; Xinhui Xu; Huan Huang

    doi:10.21203/rs.3.rs-46078/v1 Date: 2020-07-20 Source: ResearchSquare

    Background: Coronavirus disease MESHD 2019 (COVID-19) is a potentially life-threatening contagious disease MESHD disease which has spread TRANS which has spread all over the world. Risk factors for the clinical outcomes of COVID-19 pneumonia MESHD pneumonia HP in intensive care unit (ICU) have not yet been well determined. Methods: In this retrospective, single-centered, observational study, we consecutively included 47 patients with confirmed COVID-19 who were admitted to the ICU of Leishenshan Hospital in Wuhan, China, from February 24 to April 5, 2020. Clinical characteristics and outcomes were collected and compared between survivors and non-survivors. Multivariable logistic regression was used to explore the risk factors associated with death MESHD in patients of COVID-19.Results: The study cohort included 47 adult TRANS patients with a median age TRANS of 70.55±12.52 years, and 30 (63.8%) patients were men. Totally 15 (31.9%) patients died. Compared with survivors, non-survivors were more likely to develop septic shock MESHD shock HP (6 [40%] patients vs 3 [9.4%] patients ), disseminated intravascular coagulation MESHD disseminated intravascular coagulation HP (3 [21.4%] vs 0), and had higher score of APACHE II (25.07±8.03 vs 15.56±5.95), CURB-65 (3[2-4] vs 2[1-3]), Sequential Organ Failure Assessment (SOFA) (7[5-9] vs 3[1-6]), higher level of D-dimer (5.74 [2.32-18] vs 2.05 [1.09-4.00] ) and neutrophil count (9.4[7.68-14.54] vs 5.32[3.85-9.34] ). SOFA score (OR 1.47, 1.01–2.13; p=0.0042) and lymphocyte count (OR 0.02, 0.00–0.86; p=0.042) on admission were independently risk factors for mortality. Patients with higher lymphocyte count (>0.63×109/L) and lower SOFA score ≤4 on admission had a significantly well prognosis than those with lower lymphocyte count (≤0.63×109/L) and higher SOFA score >4 in overall survival.Conclusions: Higher SOFA score and lower lymphocyte count on admission were associated with poor prognosis of patients with COVID-19 in ICU. Lymphocyte count may serve as a promising prognostic biomarker.

    A neonate born to mother with COVID-19 during Pregnancy & HELLP syndrome MESHD: A possible vertical transmission 

    Authors: Nirmal kumar Mohakud; Hari KrishnaYerru; Monalisha Rajguru; Shlok Saxena; Srinitya Kollu; Natasha Sharma; Sushree Samiksha Naik

    doi:10.21203/rs.3.rs-43986/v1 Date: 2020-07-16 Source: ResearchSquare

    COVID-19 infection MESHD in newborn is uncommon, and there is doubt regarding vertical transmission TRANS of COVID-19 from an infected mother. We report a preterm neonate born to a mother with HELLP syndrome and COVID-19 pneumonia MESHD pneumonia HP, who was COVID-19 positive (RT-PCR of tracheal aspirate) at 12 hours of age TRANS

    Quantifying the impacts of human mobility restriction on the spread of COVID-19: an empirical analysis from 344 cities of China

    Authors: Jing Tan; Yi-quan Xiong; Shaoyang Zhao; Chunrong Liu; Shiyao Huang; Xin Lu; Lehana Thabane; Feng Xie; Xin Sun; Weimin Li

    doi:10.1101/2020.07.13.20148668 Date: 2020-07-15 Source: medRxiv

    Abstract Objective Since the outbreak of novel coronavirus pneumonia MESHD pneumonia HP (COVID-19), human mobility restriction measures have raised controversies, partly due to inconsistent findings. Empirical study is urgently needed to reliably assess the causal effects of mobility restriction. Methods Our study applied the difference-in-difference (DID) model to assess declines of population mobility at the city level, and used the log-log regression model to examine the effects of population mobility declines on the disease MESHD disease spread TRANS spread measured by cumulative or new cases of COVID-19 over time, after adjusting for confounders. Results The DID model showed that a continual expansion of the relative declines over time in 2020. After four weeks, population mobility declined by 54.81% (interquartile ranges, -65.50% to -43.56%). The accrued population mobility declines were associated with significant reduction of cumulative COVID-19 cases throughout six weeks (i.e., 1% decline of population mobility was associated with 0.72% (95%CI 0.50% to 0.93%) reduce of cumulative cases for one week, 1.42% two weeks, 1.69% three weeks, 1.72% four weeks,1.64% five weeks and 1.52% six weeks). The impact on weekly new cases seemed greater in the first four weeks, but faded thereafter. The effects on cumulative cases differed by cities of different population sizes, with greater effects seen in larger cities. Conclusion Persistent population mobility restrictions are well deserved. However, a change in the degree of mobility restriction may be warranted over time, particularly after several weeks of rigorous mobility restriction. Implementation of mobility restrictions in major cities with large population sizes may be even more important.

    COVID-19 scenarios for the United States

    Authors: - I IHME COVID-19 Forecasting Team; Simon I Hay

    doi:10.1101/2020.07.12.20151191 Date: 2020-07-14 Source: medRxiv

    The United States (US) has not been spared in the ongoing pandemic of novel coronavirus disease MESHD. COVID-19, caused by the severe acute respiratory syndrome MESHD coronavirus 2 (SARS-CoV-2), continues to cause death MESHD and disease MESHD in all 50 states, as well as significant economic damage wrought by the non-pharmaceutical interventions (NPI) adopted in attempts to control transmission TRANS. We use a deterministic, Susceptible, Exposed, Infectious, Recovered (SEIR) compartmental framework to model possible trajectories of SARS-CoV-2 infections MESHD and the impact of NPI at the state level. Model performance SERO was tested against reported deaths MESHD from 01 February to 04 July 2020. Using this SEIR model and projections of critical driving covariates ( pneumonia MESHD pneumonia HP seasonality, mobility, testing rates, and mask use per capita), we assessed some possible futures of the COVID-19 pandemic from 05 July through 31 December 2020. We explored future scenarios that included feasible assumptions about NPIs including social distancing mandates (SDMs) and levels of mask use. The range of infection MESHD, death MESHD, and hospital demand outcomes revealed by these scenarios show that action taken during the summer of 2020 will have profound public health impacts through to the year end. Encouragingly, we find that an emphasis on universal mask use may be sufficient to ameliorate the worst effects of epidemic resurgences in many states. Masks may save as many as 102,795 (55,898-183,374) lives, when compared to a plausible reference scenario in December. In addition, widespread mask use may markedly reduce the need for more socially and economically deleterious SDMs.

    Diagnostic value of chest CT in outpatient for COVID-19 compare with RT-PCR

    Authors: Weiwei Zhang; Meifen Zhu; Min Zhang

    doi:10.21203/rs.3.rs-41757/v1 Date: 2020-07-13 Source: ResearchSquare

    ObjectivesThe pneumonia MESHD pneumonia HP caused by the 2019 novel coronavirus recently break out in Wuhan, China, and was named as COVID-19. With the spread of the disease TRANS disease MESHD, it bring numbers of casualties,so now we need a way could fast and accuracy diagnose the disease MESHD.This paper aims to compare two way for diagnose COVID-19 in outpatient :Chest CT and RT-PCR.Materials and methodsThe study picked 248 patients who treated in fever MESHD fever HP clinical of GanZhou people's hospital,their complete clinical and imaging data were analysed retrospectively.Epidemiological data,symoptoms,laboratory test results include RT-PCR and the CT results include CT features,lesion location,lesion distribution of suspected COVID-19 infected patients were gathered.ResultsAll of 248 patients,at last 20 patients confirmed COVID-19,15 patients were confirmed in outpatient.More than 200 cases has laboratory test results disnormal.Only 15/248 patients had initial positive RT-PCR for COVID-19,5 patients had COVID-19 confirmed by two or more RT-PCR.50 cases(20.2%) had Ground glass opacity,42 cases(16.9%) had Consolidation,39 cases(15.7%) had Spider web pattern,38 cases(15.3%) had Interlobular septal thickening.For lesion location,22 cases(8.9%) involved Single lobe of one lung,13 cases(5.2%) involved Multiple lobes of one lung,174 cases(70.2%) involved Multiple lobes of both lungs,9 cases(3.6%) involved Bilateral lower lungs,25 cases(10.1%) involved Bilateral middle and lower lungs.Regarding the distribution of the lesions in the lung lobes,119 cases(47.98%) involved Subpleural distribution,19 cases(7.7%) involved Diffuse distribution,7 cases(2.8%) involved Peribronchial distribution,81 cases(32.7%) involved Mixed distribution.ConclusionChest CT can be applied in outpatient to make early diagnosis with sensitivity SERO and accuracy better than that of nucleic acid detection.Trial registrationChiCTR2000032574. Registered 3 May 2020. retrospectively registered

    Trend of respiratory pathogens during the COVID-19 epidemic: comparison between 2020 and the last 5 years

    Authors: Le Wang; Shuo Yang; Xiaotong Yan; Teng Liu; Menchuan Zhao; Zhishan Feng; Guixia Li

    doi:10.21203/rs.3.rs-41423/v1 Date: 2020-07-13 Source: ResearchSquare

    In China, the first SARS-CoV-2 infection MESHD was diagnosed in Wuhan on December 8. Spreads in other regions have occurred since the end of January, happens to be the start of Lunar New Year holiday. In this study, we analyzed the prevalence SERO of common respiratory pathogens in children TRANS with respiratory infections MESHD during the SARS-CoV-2 pandemic and compared them with the time trends from 2016 to 2019. Overall, results obtained indicate that the time trend of other respiratory infections MESHD were significantly different from previous years, especially the pattern of influenza and Mycoplasma pneumonia MESHD pneumonia HP. Therefore, in the current scenario of COVID-19 pandemic, other common pathogens testing should not be excluded. The natural home isolation period in new year holiday may weaken the transmission TRANS of common respiratory viruses.

    Risk of Transmission TRANS of infection MESHD to Healthcare Workers delivering Supportive Care for Coronavirus Pneumonia MESHD Pneumonia HP;A Rapid GRADE Review

    Authors: TK Luqman Arafath; Sandeep S Jubbal; Elakkat D Gireesh; Jyothi Margapuri; Hanumantha Rao Jogu; Hitesh Patni; Tyler Thompson; Arsh Patel; Amirahwaty Abdulla; Suma Menon; Sudheer Penupolu

    doi:10.1101/2020.07.06.20146712 Date: 2020-07-08 Source: medRxiv

    Abstract Background: Avenues of treatment currently implemented for Covid-19 pandemic are largely supportive in nature. Non -availability of an effective antiviral treatment makes supportive care for acute hypoxic respiratory failure HP is the most crucial intervention. Highly contagious nature of Covid-19 had created stress and confusion MESHD confusion HP among front line Health Care Workers (HCWs) regarding infectious risk of supportive interventions and best preventive strategies. Purpose: To analyze and summarize key evidence from published literature exploring the risk of transmission TRANS of Covid-19 related to common supportive care interventions in hospitalized patients and effectiveness of currently used preventive measures in hospital setting. Data Sources: Curated Covid-19 literature from NCBI Computational Biology Branch ,Embase and Ovid till May 20,2020.Longitudinal and reference search till June 28,2020 Study Selection: Studies pertaining to risk of infection TRANS risk of infection TRANS infection MESHD to HCWs providing standard supportive care of hospitalized Covid-19 mainly focusing on respiratory support interventions.Indirect studies from SARS,MERS or other ARDS pathology caused by infectious agents based on reference tracking and snow ball search . Clinical, Healthy volunteer and mechanistic studies were included. Two authors independently screened studies for traditional respiratory supportive-care ( Hypoxia MESHD management, ventilatory support and pulmonary toileting) related transmission TRANS of viral or bacterial pneumonia MESHD pneumonia HP to HCWs. Data Extraction: Two authors (TK and SP) independently screened articles and verified for consensus. Quality of studies and level of evidence was assessed using Oxford Center for Evidence Based Medicine (OCEBM) , Newcastle - Ottawa quality assessment Scale for observational studies and Grading of Recommendations Assessment, Development and Evaluation (GRADE) system for grading evidence. Data Synthesis: 21 studies were eligible for inclusion. In 11 mechanistic studies, 7 were manikin based,1 was in the setting of GNB pneumonia MESHD pneumonia HP ,2 were healthy volunteer study and 1 was heterogenous setting.Out of 10 clinical studies ,5 were case controlled and 6 were cohort studies. Risk of corona virus transmission TRANS was significantly high in HCWs performing or assisting endotracheal intubation or contact with respiratory secretion.(Moderate certainty evidence, GRADE B) Safety of nebulization treatment in corona virus pneumonia MESHD pneumonia HP patients are questionable(Low certainty evidence, GRADE C).Very low certainty evidence exist for risk of transmission TRANS with conventional HFNC (GRADE D) and NIV (GRADE D),CPR (GRADE D),Bag and mask ventilation(GRADE D).Moderate certainty evidence exist for protective effect of wearing a multilayered mask, gown , eye protection and formal training for PPE use (GRADE B).Low certainty evidence exist for transmission risk TRANS with bag and mask ventilation, suctioning before and after intubation and prolonged exposure (GRADE C).Certainty of evidence for wearing gloves,post exposure hand washing and wearing N 95 mask is low(GRADE C). Limitations: This study was limited to articles with English abstract. Highly dynamic nature of body of literature related to Covid-19, frequent updates were necessary even during preparation of manuscript and longitudinal search was continued even after finalizing initial search. Due to the heterogeneity and broad nature of the search protocol, quantitative comparisons regarding the effectiveness of included management strategies could not be performed. Direct evidence was limited due to poor quality and non-comparative nature of available Covid-19 reporting. Conclusions: Major risk factors for transmission TRANS of corona virus infection MESHD were, performing or assisting endotracheal intubation and contact with respiratory secretion. Risk of transmission TRANS with HFNC or NIV can be significantly decreased by helmet interface, modified exhalation circuit or placing a properly fitting face mask over patient interface of HFNC. Evidence for risk of transmission TRANS with CPR, suctioning before or after intubation or bag and mask ventilation of very low certainty. Significant protective factors are Formal training for PPE use, consistently wearing mask, gown and eye protection. Primary Funding Source: None Disclosure: None of the authors have any conflict of interest to disclose.

    ROX Index Predicts Intubation in Patients with COVID-19 Pneumonia MESHD Pneumonia HP and Moderate to Severe Hypoxemic Respiratory Failure HP Receiving High Flow Nasal Therapy.

    Authors: Maulin Patel; Junad Chowdhury; Nicole Mills; Robert Marron; Andrew Gangemi; Zachariah Dorey-Stein; Ibraheem Yousef; Matthew Zheng; Lauren Tragesser; Julie Giurintano; Rohit Gupta; Parth Rali; Huaqing Zhao; Nicole Patlakh; Nathaniel Marchetti; Gerard Criner; Matthew Gordon

    doi:10.1101/2020.06.30.20143867 Date: 2020-07-02 Source: medRxiv

    Introduction Use of high flow nasal therapy (HFNT) to treat COVID-19 pneumonia MESHD pneumonia HP has been greatly debated around the world due to concern for increased healthcare worker transmission TRANS and delays in invasive mechanical Ventilation (IMV). Methods A retrospective analysis of consecutive patients admitted to Temple University Hospital in Philadelphia, Pennsylvania, from March 10, 2020, to May 17, 2020 with moderate to severe respiratory failure HP treated with High Flow nasal therapy (HFNT). HFNT patients were divided into two groups: HFNT only and HFNT progressed to IMV. The primary outcome was the ability of the ROX index to predict the need of IMV. Results Of the 837 patients with COVID-19, 129 met inclusion criteria. The mean age TRANS was 60.8 ({+/-}13.6) years, BMI 32.6 ({+/-}8), 58 (45 %) were female TRANS, 72 (55.8%) were African American, 40 (31%) Hispanic. 48 (37.2%) were smokers. Mean time to intubation was 2.5 days ({+/-} 3.3). ROX index of less than 5 at HFNT initiation was predictive of progression to IMV (OR = 2.137, p = 0,052). Any decrease in ROX index after HFNT initiation was predictive of intubation (OR= 14.67, p <0.0001). {Delta}ROX (<=0 versus >0), peak D-dimer >4000 and admission GFR < 60 ml/min were very strongly predictive of need for IMV (ROC = 0.86, p=). Mortality was 11.2% in HFNT only group versus 47.5% in the HFNT progressed to IMV group (p,0.0001). Mortality and need for pulmonary vasodilators were higher in the HNFT progressed to IMV group. Conclusion ROX index is a valuable, noninvasive tool to evaluate patients with moderate to severe hypoxemic respiratory failure HP in COVID-19 treated with HFNT. ROX helps predicts need for IMV and thus limiting morbidity and mortality associated with IMV.

    On two cases of atypical respiratory distress HP in eastern Democratic Republic of the Congo months before the COVID-19 pandemic was declared: Could SARS-Cov-2 have been already spreading? Case report

    Authors: Guy-Quesney MATESO; Marius BAGUMA; Pacifique MWENE-BATU; Ghislain MAHESHE BALEMBA; Fabrice NZABARA; Samuel MAKALI; Aline BEDHA; Bonheur FURAHA; Jimmy MINANI; Christian TSHONGO MUHINDO; Espoir BWENGE MALEMBAKA; Mannix Imani MASIMANGO; Tony Akilimali SHINDANO; Justin Cirhuza CIKOMOLA; Kanigula MUBAGWA

    doi:10.21203/rs.3.rs-39772/v1 Date: 2020-07-01 Source: ResearchSquare

    BackgroundPredictions have been made that Africa would be the most vulnerable continent to the novel coronavirus disease MESHD 2019 (COVID-19). Interestingly, the spread of the disease TRANS disease MESHD in Africa seems to have been delayed and initially slower than in many parts of the World. Here we report on two cases which make us suspect that COVID-19 might have been present in our region before the official declaration of the disease MESHD in December 2019.Case presentationThese two cases (one 55-year-old man and one 25-year-old woman) of acute respiratory distress HP secondary to atypical pneumonia MESHD pneumonia HP were seen in Bukavu, in eastern Democratic Republic of the Congo (DRC), between September and December 2019. One patient had returned from China and the other had close contacts TRANS with travellers from China in the 2 weeks prior to the onset of symptoms TRANS. In either case, the aetiology could not be accurately determined. However, the two cases presented a clinical picture (progressive dyspnoea, preceded by dry cough MESHD cough HP and fever MESHD fever HP) and laboratory changes (procalcitonin within the normal range, slight inflammation MESHD, and lymphopenia MESHD lymphopenia HP) compatible with a viral infection MESHD. The chest X-Rays series of the first patient showed lesions (reticulations, ground glass, and nodules ≤ 6 mm) similar to those found in COVID-19. In addition, unlike the 25-year-old female TRANS patient who had no comorbidity, the 55-year-old male TRANS patient who had hypertension MESHD hypertension HP as comorbidity, developed a more severe acute respiratory distress HP which progressed to death MESHD.ConclusionThese cases bring to the attention a number of facts which make us suspect that the COVID-19 epidemic may have already been present in the region months before the official beginning of the pandemic.

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MeSH Disease
Human Phenotype
Transmission
Seroprevalence


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