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Volume 11, Number 6—June 2005

Dispatch

Community-acquired Methicillin-resistant Staphylococcus aureus, Uruguay

Xiao Xue Ma*, Antonio Galiana†, Walter Pedreira†‡, Martin Mowszowicz§, Inés Christophersen†, Silvia Machiavello†, Liliana Lope†, Sara Benaderet‡, Fernanda Buela‡, Walter Vicentino‡, María Albini¶, Olivier Bertaux†, Irene Constenla†, Homero Bagnulo†, Luis Llosa§, Teruyo Ito*, and Keiichi Hiramatsu*Comments to Author 
Author affiliations: *Juntendo University, Tokyo, Japan; †Hospital Maciel, Montevideo, Uruguay; ‡Centro de Asistencia del Sindicato Médico del Uruguay, Montevideo, Uruguay; §Ministerio del Interior, Montevideo, Uruguay; ¶Ministry of Public Health, Montevideo, Uruguay

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Table

Clinical presentation of 125 MRSA-infected case-patients, Montevideo, Uruguay*

Clinical feature
Adult patients infected in†
Pediatric patients infected in‡
Community
Hospital
Unknown
Community
Hospital
Skin and soft tissue
Abscess 26 (4) ¶ 3 (3)
Boils 20 (5) 1(1)
Cellulitis 15 (3) 2 (2) ¶ 2 (1)¶
Hidradenitis 3 (2)
Myositis 1 (1)
Wound infection 8 (3) 11 (3)
Infected atopic dermatitis 1 (1)¶
Respiratory tract
Upper respiratory tract infection 4 (1)
Necrotizing pneumonia 4 (3)¶#
Pneumonia 1 (1) 3 (1) ¶
Ventilator-associated pneumonia§ 4(4)
Colonization in respiratory tract 2(2)
Catheter-associated infection 1 (1) ¶
Cerebrospinal fluid shunt 1(1)
Bone and joint infection 2 (1)¶ 1 (1)¶
"Sepsis" syndrome 5 (4) ¶ 4 (2)
Total 85 (27) 23 (13) 4 (2) 10 (6) 3 (3)

*MRSA, methicillin-resistant Staphylococcus aureus; parenthesis indicate the numbers of case-patients whose MRSA isolates were analyzed in this study.
†The range and mean age were 16–82 years and 39.7 years, respectively. The number of male and female case-patients were 65 (58%) and 47 (42%), respectively. Twenty-nine case-patients required hospitalization.
‡The range and mean age were 16–82 years and 6 years, respectively. The numbers of male and female case-patients were 8 and 5, respectively. One patient required hospitalization.
§Ventilator-associated pneumonia of the patients in an intensive care unit.
¶Besides 9 cases of sepsis syndrome, some of the other case categories were also bacteremic. They were 1 abscess, 4 necrotizing pneumonia, 2 bone and joint, 2 cellulitis, 1 infected atopic dermatitis, and 1 catheter-associated infection.
#A strain isolated from 1 of the patients was lost for analysis in this study.

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