Increasing incidence of methicillin-resistant Staphylococcus aureus in hand infections: A 3-year county hospital experience

Danielle M. LeBlanc, Edward M. Reece, J. Bauer Horton, Jeffrey E. Janis

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

BACKGROUND: Staphylococcus aureus is the most common cause of skin and soft-tissue infections. Methicillin-resistant S. aureus and community-acquired methicillin-resistant S. aureus have shown an increase in prevalence among soft-tissue infections over the past several years, with overall rates approaching 50 percent at the authors' institution in 2002. The object of this study was to determine the incidence of methicillin-resistant S. aureus with respect to hand infections, the antibiotic resistance pattern of methicillin-resistant S. aureus isolates, and implications for a change in antibiotic treatment algorithms for hand infections. METHODS: A retrospective chart review of 761 patients with hand infections tracked by International Classification of Diseases, 9th Revision codes for finger or hand abscesses from 2001 to 2003 was performed at Parkland Memorial Hospital, Dallas, Texas. Culture results were obtained from 436 patients and analyzed for type of organism, and sensitivity profiles were obtained for all methicillin-resistant S. aureus isolates. RESULTS: The median age of 761 patients was 40 years (range, 16 to 77 years); 71 percent were male and 28 percent were female. Of the 436 cultures reviewed, 371 (85 percent) had organisms identified. Methicillin-resistant S. aureus was the dominant single organism in hand infections cultured in all 3 years. The overall methicillin-resistant S. aureus rate was 61 percent of all hand infections in 2003. The percentage of S. aureus isolates identified as methicillin-resistant S. aureus increased from 55 percent to 78 percent over 3 years, up from 34 percent in 2001. Fortunately, 86 percent of these methicillin-resistant S. aureus isolates demonstrated sensitivity to conventional antibiotics, but a trend of resistance is developing. CONCLUSIONS: The incidence of community-acquired methicillin-resistant S. aureus increased from 34 percent to 61 percent over a 3-year period at the authors' county institution. An increasing trend of resistance patterns among conventional antibiotics was also demonstrated. As a result of this study, the treatment algorithm at Parkland Memorial Hospital has been modified to include abscess drainage accompanied by an antibiotic regimen targeted specifically at methicillin-resistant S. aureus. These data also have implications for broader application regarding simple skin infections and current antibiotic treatment algorithms.

Original languageEnglish (US)
Pages (from-to)935-940
Number of pages6
JournalPlastic and Reconstructive Surgery
Volume119
Issue number3
DOIs
StatePublished - Mar 2007

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County Hospitals
Methicillin-Resistant Staphylococcus aureus
Hand
Incidence
Infection
Anti-Bacterial Agents
Soft Tissue Infections
Abscess
Staphylococcus aureus
Skin
International Classification of Diseases
Microbial Drug Resistance
Fingers
Drainage
Therapeutics

ASJC Scopus subject areas

  • Surgery

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Increasing incidence of methicillin-resistant Staphylococcus aureus in hand infections : A 3-year county hospital experience. / LeBlanc, Danielle M.; Reece, Edward M.; Horton, J. Bauer; Janis, Jeffrey E.

In: Plastic and Reconstructive Surgery, Vol. 119, No. 3, 03.2007, p. 935-940.

Research output: Contribution to journalArticle

LeBlanc, Danielle M. ; Reece, Edward M. ; Horton, J. Bauer ; Janis, Jeffrey E. / Increasing incidence of methicillin-resistant Staphylococcus aureus in hand infections : A 3-year county hospital experience. In: Plastic and Reconstructive Surgery. 2007 ; Vol. 119, No. 3. pp. 935-940.
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abstract = "BACKGROUND: Staphylococcus aureus is the most common cause of skin and soft-tissue infections. Methicillin-resistant S. aureus and community-acquired methicillin-resistant S. aureus have shown an increase in prevalence among soft-tissue infections over the past several years, with overall rates approaching 50 percent at the authors' institution in 2002. The object of this study was to determine the incidence of methicillin-resistant S. aureus with respect to hand infections, the antibiotic resistance pattern of methicillin-resistant S. aureus isolates, and implications for a change in antibiotic treatment algorithms for hand infections. METHODS: A retrospective chart review of 761 patients with hand infections tracked by International Classification of Diseases, 9th Revision codes for finger or hand abscesses from 2001 to 2003 was performed at Parkland Memorial Hospital, Dallas, Texas. Culture results were obtained from 436 patients and analyzed for type of organism, and sensitivity profiles were obtained for all methicillin-resistant S. aureus isolates. RESULTS: The median age of 761 patients was 40 years (range, 16 to 77 years); 71 percent were male and 28 percent were female. Of the 436 cultures reviewed, 371 (85 percent) had organisms identified. Methicillin-resistant S. aureus was the dominant single organism in hand infections cultured in all 3 years. The overall methicillin-resistant S. aureus rate was 61 percent of all hand infections in 2003. The percentage of S. aureus isolates identified as methicillin-resistant S. aureus increased from 55 percent to 78 percent over 3 years, up from 34 percent in 2001. Fortunately, 86 percent of these methicillin-resistant S. aureus isolates demonstrated sensitivity to conventional antibiotics, but a trend of resistance is developing. CONCLUSIONS: The incidence of community-acquired methicillin-resistant S. aureus increased from 34 percent to 61 percent over a 3-year period at the authors' county institution. An increasing trend of resistance patterns among conventional antibiotics was also demonstrated. As a result of this study, the treatment algorithm at Parkland Memorial Hospital has been modified to include abscess drainage accompanied by an antibiotic regimen targeted specifically at methicillin-resistant S. aureus. These data also have implications for broader application regarding simple skin infections and current antibiotic treatment algorithms.",
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T1 - Increasing incidence of methicillin-resistant Staphylococcus aureus in hand infections

T2 - A 3-year county hospital experience

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AU - Reece, Edward M.

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AU - Janis, Jeffrey E.

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N2 - BACKGROUND: Staphylococcus aureus is the most common cause of skin and soft-tissue infections. Methicillin-resistant S. aureus and community-acquired methicillin-resistant S. aureus have shown an increase in prevalence among soft-tissue infections over the past several years, with overall rates approaching 50 percent at the authors' institution in 2002. The object of this study was to determine the incidence of methicillin-resistant S. aureus with respect to hand infections, the antibiotic resistance pattern of methicillin-resistant S. aureus isolates, and implications for a change in antibiotic treatment algorithms for hand infections. METHODS: A retrospective chart review of 761 patients with hand infections tracked by International Classification of Diseases, 9th Revision codes for finger or hand abscesses from 2001 to 2003 was performed at Parkland Memorial Hospital, Dallas, Texas. Culture results were obtained from 436 patients and analyzed for type of organism, and sensitivity profiles were obtained for all methicillin-resistant S. aureus isolates. RESULTS: The median age of 761 patients was 40 years (range, 16 to 77 years); 71 percent were male and 28 percent were female. Of the 436 cultures reviewed, 371 (85 percent) had organisms identified. Methicillin-resistant S. aureus was the dominant single organism in hand infections cultured in all 3 years. The overall methicillin-resistant S. aureus rate was 61 percent of all hand infections in 2003. The percentage of S. aureus isolates identified as methicillin-resistant S. aureus increased from 55 percent to 78 percent over 3 years, up from 34 percent in 2001. Fortunately, 86 percent of these methicillin-resistant S. aureus isolates demonstrated sensitivity to conventional antibiotics, but a trend of resistance is developing. CONCLUSIONS: The incidence of community-acquired methicillin-resistant S. aureus increased from 34 percent to 61 percent over a 3-year period at the authors' county institution. An increasing trend of resistance patterns among conventional antibiotics was also demonstrated. As a result of this study, the treatment algorithm at Parkland Memorial Hospital has been modified to include abscess drainage accompanied by an antibiotic regimen targeted specifically at methicillin-resistant S. aureus. These data also have implications for broader application regarding simple skin infections and current antibiotic treatment algorithms.

AB - BACKGROUND: Staphylococcus aureus is the most common cause of skin and soft-tissue infections. Methicillin-resistant S. aureus and community-acquired methicillin-resistant S. aureus have shown an increase in prevalence among soft-tissue infections over the past several years, with overall rates approaching 50 percent at the authors' institution in 2002. The object of this study was to determine the incidence of methicillin-resistant S. aureus with respect to hand infections, the antibiotic resistance pattern of methicillin-resistant S. aureus isolates, and implications for a change in antibiotic treatment algorithms for hand infections. METHODS: A retrospective chart review of 761 patients with hand infections tracked by International Classification of Diseases, 9th Revision codes for finger or hand abscesses from 2001 to 2003 was performed at Parkland Memorial Hospital, Dallas, Texas. Culture results were obtained from 436 patients and analyzed for type of organism, and sensitivity profiles were obtained for all methicillin-resistant S. aureus isolates. RESULTS: The median age of 761 patients was 40 years (range, 16 to 77 years); 71 percent were male and 28 percent were female. Of the 436 cultures reviewed, 371 (85 percent) had organisms identified. Methicillin-resistant S. aureus was the dominant single organism in hand infections cultured in all 3 years. The overall methicillin-resistant S. aureus rate was 61 percent of all hand infections in 2003. The percentage of S. aureus isolates identified as methicillin-resistant S. aureus increased from 55 percent to 78 percent over 3 years, up from 34 percent in 2001. Fortunately, 86 percent of these methicillin-resistant S. aureus isolates demonstrated sensitivity to conventional antibiotics, but a trend of resistance is developing. CONCLUSIONS: The incidence of community-acquired methicillin-resistant S. aureus increased from 34 percent to 61 percent over a 3-year period at the authors' county institution. An increasing trend of resistance patterns among conventional antibiotics was also demonstrated. As a result of this study, the treatment algorithm at Parkland Memorial Hospital has been modified to include abscess drainage accompanied by an antibiotic regimen targeted specifically at methicillin-resistant S. aureus. These data also have implications for broader application regarding simple skin infections and current antibiotic treatment algorithms.

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