Abstract:
:Invasive group A streptococcal (GAS) disease is a condition of clinical and public health significance. We conducted epidemiological analyses to determine if the presence of gastrointestinal (GI) complaints (diarrhea and/or vomiting) early in the course of invasive GAS disease is associated with either of two severe outcomes: GAS necrotizing fasciitis, or hospital mortality. Subjects were hospitalized for invasive GAS disease throughout the state of Florida, USA, during a 4-year period. Multiple imputation using the Markov chain Monte Carlo method was used to replace missing values with plausible values. Excluding cases with missing data resulted in a sample size of 138 invasive GAS patients (the complete subject analysis) while the imputed datasets contained 257 records. GI symptomatology within 48 h of hospital admission was not associated with hospital mortality in either the complete subject analysis [adjusted odds ratio (aOR) 0.86, 95% confidence interval (CI) 0.31-2.39] or in the imputed datasets. GI symptoms were significantly associated with GAS necrotizing fasciitis in the complete subject analysis (aOR 4.64, 95% CI 1.18-18.23) and in the imputed datasets but only in patients aged <55 years. The common cause of GI symptoms and necrotizing fasciitis may be streptococcal exotoxins. Clinicians who are treating young individuals presumed to be in the early stages of invasive GAS disease should take note of GI symptoms and remain vigilant for the development of a GAS necrotizing soft-tissue infection.
journal_name
Epidemiol Infectjournal_title
Epidemiology and infectionauthors
Khateeb OM,Osborne D,Mulla ZDdoi
10.1017/S0950268809990938subject
Has Abstractpub_date
2010-04-01 00:00:00pages
534-41issue
4eissn
0950-2688issn
1469-4409pii
S0950268809990938journal_volume
138pub_type
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