22 February 2017
: Case report
Uncomplicated Cystitis in an Adult Male Following Influenza B Virus Infection
Unusual clinical course, Educational Purpose (only if useful for a systematic review or synthesis)
Robert J. Allen1ADEF*, Marios Koutsakos2EF, Aeron C. Hurt3E, Katherine Kedzierska2EDOI: 10.12659/AJCR.902172
Am J Case Rep 2017; 18:190-193
Abstract
BACKGROUND: Influenza B viruses cause seasonal epidemics of respiratory illness, circulating concurrently with influenza A viruses. However, virological and clinical knowledge of influenza B viruses is less well advanced than for influenza A, and in particular, complications associated with influenza B infection are not as commonly reported. Complications of influenza B infection predominantly include neurological and musculoskeletal pathologies, while a review of the literature shows that bacterial infections associated with influenza B viruses often involve Gram-positive organisms, with a smaller subset featuring Gram-negative species.
CASE REPORT: In this case report we highlight an uncomplicated infection of the urinary tract by Escherichia coli immediately following influenza B infection, in an otherwise healthy adult white male with no prior history of urinary tract infection or structural abnormalities of the renal tract.
CONCLUSIONS: Bacterial infections complicating influenza B infection may include organisms not commonly associated with the respiratory system, such as Escherichia coli. In addition, bacterial complications of influenza B infection may affect non-respiratory systems, including the genitourinary tract.
Keywords: Gram-Negative Bacterial Infections, Influenza B virus, Urinary Tract Infections
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