Abstract:
:A retrospective case-control study of 118 (male : female, 68 : 50) Chinese type 2 diabetic patients with foot ulcers (Wagner's grade 3-5) was conducted to determine the prevalence and risk factors for meticillin-resistant Staphylococcus aureus (MRSA) infection in relation to the original community or hospital parameters. Ulcer specimens were processed for Gram staining, aerobic culture and antimicrobial susceptibility testing. Staphylococcus species were tested for meticillin resistance using oxacillin. S. aureus was the most frequent pathogen (25.6 %) in diabetic patient specimens (160 isolates), and a high proportion of S. aureus isolates were MRSA (63.4 %). A high percentage of S. aureus isolates (65.4 %) satisfied the definition for hospital-associated MRSA (HA-MRSA) infection. The size of ulcers [adjusted odds ratio (OR) 1.61; 95 % confidence interval (CI) 1.22-2.12] and osteomyelitis (adjusted OR 18.51, 95 % CI 2.50-137.21) were independent predictors of MRSA infection. The HA-MRSA group had a significantly different distribution from the community-associated MRSA group with respect to age, history of diabetes and length of hospital stay (all P<0.001). Neuropathy, vascular disease (all P=0.049) and osteomyelitis (P=0.026) were the most common underlying conditions observed in the HA-MRSA group. This study contributes to the establishment of precautions against the emergence of MRSA including MRSA acquired from different sources among the Chinese population with diabetic foot ulcers based on their original or clinical parameters.
journal_name
J Med Microbioljournal_title
Journal of medical microbiologyauthors
Wang SH,Sun ZL,Guo YJ,Yang BQ,Yuan Y,Wei Q,Ye KPdoi
10.1099/jmm.0.020537-0subject
Has Abstractpub_date
2010-10-01 00:00:00pages
1219-1224issue
Pt 10eissn
0022-2615issn
1473-5644journal_volume
59pub_type
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