Invasive group A streptococcal infection in older adults in long-term care facilities and the community, United States, 1998-2003 |
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| Authors: | Thigpen Michael C,Richards Chesley L,Lynfield Ruth,Barrett Nancy L,Harrison Lee H,Arnold Kathryn E,Reingold Arthur,Bennett Nancy M,Craig Allen S,Gershman Ken,Cieslak Paul R,Lewis Paige,Greene Carolyn M,Beall Bernard,Van Beneden Chris A Active Bacterial Core surveillance / Emerging Infections Program Network |
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| Affiliation: | Centers for Disease Control and Prevention, Atlanta, Georgia, USA. mthigpen@cdc.gov |
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| Abstract: | Limited information exists on the incidence and characteristics of invasive group A streptococcal (GAS) infections among residents of long-term care facilities (LTCFs). We reviewed cases of invasive GAS infections occurring among persons > or =65 years of age identified through active, population-based surveillance from 1998 through 2003. We identified 1,762 invasive GAS cases among persons > or =65 years, including 1,662 with known residence type (LTCF or community). Incidence of invasive GAS infection among LTCF residents compared to community-based elderly was 41.0 versus 6.9 cases per 100,000 population. LTCF case-patients were 1.5 times as likely to die from the infection as community-based case-patients (33% vs. 21%, p<0.01) but were less often hospitalized (90% vs. 95%, p<0.01). In multivariate logistic regression modeling, LTCF residence remained an independent predictor of death. Additional prevention strategies against GAS infection in this high-risk population are urgently needed. |
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| Keywords: | group A streptococcus surveillance elderly long-term care facilities mortality research |
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