Influenza

Barnett, Richard

doi:10.1016/s0140-6736(19)30148-5

Cited by 10 publications

(7 citation statements)

References 2 publications

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“…At present, the pathophysiological mechanisms of COVID-19 and cardiac injury and heart failure are poorly understood. However, it seems likely as known for other infectious diseases that COVID-19-induced systemic inflammatory responses may contribute to myocardial failure especially in patients with known heart disease [23,24]. Further, our findings indicate that right ventricular stress as indicated by the presence of the right ventricular failure and a relevant tricuspid regurgitation might be a consequence of COVID-19-induced pulmonary distress with development of elevation of the pulmonary artery pressure [25].…”

Section: Discussionmentioning

confidence: 55%

Impaired cardiac function is associated with mortality in patients with acute COVID-19 infection

et al. 2020

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Background COVID-19 infection may cause severe respiratory distress and is associated with increased morbidity and mortality. Impaired cardiac function and/or pre-existing cardiovascular disease may be associated with poor prognosis. In the present study, we report a comprehensive cardiovascular characterization in the first consecutive collective of patients that was admitted and treated at the University Hospital of Tübingen, Germany. Methods 123 consecutive patients with COVID-19 were included. Routine blood sampling, transthoracic echocardiography and electrocardiography were performed at hospital admission. Results We found that impaired left-ventricular and right-ventricular function as well as tricuspid regurgitation > grade 1 were significantly associated with higher mortality. Furthermore, elevated levels of myocardial distress markers (troponin-I and NT pro-BNP) were associated with poor prognosis in this patient collective. Conclusion Impaired cardiac function is associated with poor prognosis in COVID-19 positive patients. Consequently, treatment of these patients should include careful guideline-conform cardiovascular evaluation and treatment. Thus, formation of a competent Cardio-COVID-19 team may represent a major clinical measure to optimize therapy of cardiovascular patients during this pandemic.

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Section: Discussionmentioning

confidence: 55%

Impaired cardiac function is associated with mortality in patients with acute COVID-19 infection

et al. 2020

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“…Starting in the 17th century, as the disease gained widespread recognition and investigation, influenza received significant attention from both scientific and lay publications [ 2 ]. During the Russian influenza pandemic of 1889, Haemophilus influenzae was mistakenly identified as the cause of influenza, but this paved the way for modern medicine to be used to study influenza [ 3 ]. Following that, a British physiologist named Walter Morley Fletcher isolated the influenza virus as the causative agent of flu in 1933 [ 3 ].…”

Section: Introductionmentioning

confidence: 99%

“…During the Russian influenza pandemic of 1889, Haemophilus influenzae was mistakenly identified as the cause of influenza, but this paved the way for modern medicine to be used to study influenza [ 3 ]. Following that, a British physiologist named Walter Morley Fletcher isolated the influenza virus as the causative agent of flu in 1933 [ 3 ]. Until the 21st century, seasonal influenza still affected about 10% of the global population, and nearly half a million people still die from the disease each year globally [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

“…Among the four genera of influenza viruses, influenza A virus is regarded as the most important type of influenza virus to be studied due to its potential to cause severe pandemics with high morbidity and mortality rates [ 8 ]. Humans have experienced several severe pandemics caused by the influenza A virus, including the Spanish Flu in 1918, the Asian flu in 1957, the American swine flu in 1976, and the 2009 influenza pandemic caused by the swine-origin reassortant virus (pH1N1) [ 3 , 8 , 9 ]. Influenza A viruses also have high mutation rates, resulting in their unpredictability and the ability to cause new epidemics or pandemics [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

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Insights from Avian Influenza: A Review of Its Multifaceted Nature and Future Pandemic Preparedness

He,

Kam

2024

Viruses

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Avian influenza viruses (AIVs) have posed a significant pandemic threat since their discovery. This review mainly focuses on the epidemiology, virology, pathogenesis, and treatments of avian influenza viruses. We delve into the global spread, past pandemics, clinical symptoms, severity, and immune response related to AIVs. The review also discusses various control measures, including antiviral drugs, vaccines, and potential future directions in influenza treatment and prevention. Lastly, by summarizing the insights from previous pandemic control, this review aims to direct effective strategies for managing future influenza pandemics.

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“…Seasonal influenza has always been a major public health problem [1, 2]. It annually causes tens of millions of respiratory illnesses and hundreds of thousand deaths worldwide [3].…”

Section: Introductionmentioning

confidence: 99%

Influenza activity prediction using meteorological factors in a warm temperate to subtropical transitional zone, Eastern China

Dai

Bao³

et al. 2019

Epidemiol. Infect.

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Influenza activity is subject to environmental factors. Accurate forecasting of influenza epidemics would permit timely and effective implementation of public health interventions, but it remains challenging. In this study, we aimed to develop random forest (RF) regression models including meterological factors to predict seasonal influenza activity in Jiangsu provine, China. Coefficient of determination (R2) and mean absolute percentage error (MAPE) were employed to evaluate the models' performance. Three RF models with optimum parameters were constructed to predict influenza like illness (ILI) activity, influenza A and B (Flu-A and Flu-B) positive rates in Jiangsu. The models for Flu-B and ILI presented excellent performance with MAPEs <10%. The predicted values of the Flu-A model also matched the real trend very well, although its MAPE reached to 19.49% in the test set. The lagged dependent variables were vital predictors in each model. Seasonality was more pronounced in the models for ILI and Flu-A. The modification effects of the meteorological factors and their lagged terms on the prediction accuracy differed across the three models, while temperature always played an important role. Notably, atmospheric pressure made a major contribution to ILI and Flu-B forecasting. In brief, RF models performed well in influenza activity prediction. Impacts of meteorological factors on the predictive models for influenza activity are type-specific.

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Influenza

Abstract: Elsevier has created a COVID-19 resource centre with free information in English and Mandarin on the novel coronavirus COVID-19. The COVID-19 resource centre is hosted on Elsevier Connect, the company's public news and information website.

Cited by 10 publications

References 2 publications

Impaired cardiac function is associated with mortality in patients with acute COVID-19 infection

Impaired cardiac function is associated with mortality in patients with acute COVID-19 infection

Insights from Avian Influenza: A Review of Its Multifaceted Nature and Future Pandemic Preparedness

Influenza activity prediction using meteorological factors in a warm temperate to subtropical transitional zone, Eastern China

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