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Query: UMLS:C0032285 (pneumonia)
 54,520 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Influenza A virus is a more common cause of pneumonia than influenza B virus. Influenza virus pneumonia complicated with acute respiratory distress syndrome (ARDS) is rare and has a high mortality rate. In addition to pneumonia, influenza occasionally causes neurologic, cardiac, renal, or muscular complications. Hepatic involvement in influenza virus infection has been rarely reported. We reported the case of a 7-year-old girl who was initially treated for upper respiratory tract infection, but she was transferred to the pediatric intensive care unit for intubation and ventilation after her condition deteriorated to lobar pneumonia with ARDS and liver function impairment within 7 days. Influenza B virus infection was confirmed by virus culture and serological study. Respiratory viruses, such as respiratory syncytial virus, adenovirus, influenza virus, and parainfluenza virus, are common causes of pneumonia in children; moreover, they should be considered especially in the presence of persistent leukopenia, low CRP value, lack of growth of bacterial cultures, and poor response to antimicrobial therapy. We should describe its course, diagnosis, and treatments in detail; furthermore, we reported this case to emphasize that influenza B virus may cause transient liver dysfunction and it is an etiology of pneumonia as well as ARDS.
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PMID:Influenza B virus associated pneumonia: report of one case. 1562 74

A 19-year-old woman was referred to our hospital because of a persistent fever and cough that lasted for over a week. Influenza B virus infection was diagnosed using the rapid test kit. Initially, the patient was diagnosed with influenza B infection associated with lobar pneumonia and treated with an anti-influenza virus drug and sulbactam/ampicillin. The patient's fever persisted, and her respiratory condition worsened. On day 5, a computed tomography (CT) scan revealed an extension of the consolidation areas in the left lung and new opacities in the right lung. The antibiotic treatment was changed to meropenem and levofloxacin, and the patient's physical condition gradually improved. A sputum sample revealed the presence of Mycoplasma pneumoniae-specific DNA. Both influenza B virus and M. pneumoniae infections were confirmed serologically. This was a case of coinfection with influenza B virus and M. pneumoniae in a healthy young woman. The M. pneumoniae pneumonia diagnosis was delayed because the predominant feature observed in the CT scan was dense consolidation. M. pneumoniae should be considered as one of the causative pathogens in influenza coinfection cases with CT scan images presenting dense consolidation.
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PMID:A Case of Influenza B and Mycoplasma pneumoniae Coinfection in an Adult. 3059 29