Clinical infectious diseases : an official publication of the Infectious Diseases Society of America
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Review Case Reports
Pneumococcal pyomyositis: report of 2 cases and review of the literature.
Streptococcus pneumoniae is an uncommon cause of pyomyositis. It is unclear whether the clinical presentation and outcome of pneumococcal pyomyositis differ depending on the host's underlying immune status. We describe 2 patients with pneumococcal pyomyositis, review all published cases, and compare characteristics between apparently healthy hosts and at-risk hosts. ⋯ Two-thirds of the patients had an antecedent respiratory illness or meningitis. At-risk hosts tended to have a longer interval between the development of symptomatic muscle infection and the diagnosis of pyomyositis and a significantly higher risk of disseminated disease at presentation, as manifested by involvement of multiple noncontiguous muscles or presence of meningitis. Overall, other than 1 death, all patients recovered with antibiotics and surgical drainage, but as might be expected there was a significantly higher rate of complications among at-risk hosts.
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Reported influenza-associated neurologic complications are generally limited to case series or case reports. We conducted a population-based study of neurologic manifestations associated with severe and fatal influenza A(H1N1)pdm09 (2009 H1N1) cases. ⋯ Influenza-associated neurologic complications were observed in 4% of patients with fatal or severe 2009 H1N1. They were observed most often in pediatric patients, and Asian/Pacific Islanders appear to be overrepresented compared with the California population. Most patients with INCs had a relatively short LOS, and there were few fatalities.
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Rotavirus vaccine was recommended for US infants in 2006. We estimated baseline prevaccine burden and monitored postvaccine trends in gastroenteritis-coded and rotavirus-coded hospitalizations among US children. ⋯ Since implementation of the US rotavirus vaccination program, a marked reduction in diarrhea hospitalizations and related hospital charges has occurred among US children.
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The association between bacteremia by Streptococcus gallolyticus subsp. gallolyticus (SGG) and colorectal neoplasia (CRN) is well established but the frequency of the association varies widely in different studies. We conducted a case-control study to assess the association between SGG bacteremia and CRN. ⋯ The frequency of CRN among SGG infected patients is significantly increased compared with symptomatic age-matched controls, indicating that SGG infection is a strong indicator for underlying occult malignancy.