نتایج جستجو برای: respiratory infection
تعداد نتایج: 631515 فیلتر نتایج به سال:
Rhinoviruses, a genus of the family Picornaviridae, are the cause of more than 50% of respiratory tract infections. Complications of rhinovirus infections, which include otitis media, sinusitis, exacerbations of asthma, and other pulmonary diseases, can be significant in certain populations. Reverse transcriptase-polymerase chain reaction has allowed the identification of rhinoviruses and led t...
BACKGROUND The clinical consequences of co-infection with two or more respiratory viruses are poorly understood. We sought to determine if co-infection with pandemic 2009-2010 influenza A H1N1 (pH1N1) and another respiratory virus was associated with worse clinical outcomes. METHODS A retrospective cohort study was performed of all hospitalized patients with a positive respiratory viral panel...
BACKGROUND Influenza infection is associated with myocardial infarction (MI), suggesting that respiratory viral infection may induce biologic pathways that contribute to MI. We tested the hypotheses that 1) a validated blood gene expression signature of respiratory viral infection (viral GES) was associated with MI and 2) respiratory viral exposure changes levels of a validated platelet gene ex...
OBJECTIVE Parent-reported symptoms are frequently used to triage children, but little is known about which symptoms identify children with serious respiratory infections. The authors aimed to identify symptoms and triage findings predictive of serious respiratory infection, and to quantify agreement between parent and nurse assessment. DESIGN Prospective diagnostic cohort study. SETTING Pae...
Respiratory viruses can cause a wide spectrum of pulmonary diseases, ranging from mild, upper respiratory tract infections to severe and life-threatening lower respiratory tract infections, including the development of acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). Viral clearance and subsequent recovery from infection require activation of an effective host immune resp...
Background: World Health Organization declared pandemic phase of human infection with novel influenza A (H1N1) in April 2009. There are very few reports about the neurological complications of H1N1 virus infection in the literature. Occasionally, these complications are severe and even fatal in some individuals. The aims of this study were to report neurological complaints and/or complications ...
BACKGROUND Influenza virus and respiratory syncytial virus (RSV) are among the most common viruses causing infections of the lower respiratory tract in young children. Although there are important differences in the immunopathogenesis of these 2 viral pathogens, little is known about how they affect antigen-presenting cells in children with acute infections. METHODS To characterize the immune...
Speaking of viral pathogenesis, it must describe the features and factors of viral pathogen, hosts and environment. Over its lifetime, an individual is exposed to many infectious agents, however, in most situations does not develop a disease thanks to factors such as physical and chemical host barriers. In other cases, pathogens circumvent these barriers and cause infection; however, a “biologi...
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