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KMID : 1144320230550020278
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2023 Volume.55 No. 2 p.278 ~ p.282
Phenotypic Characteristics and Clonal Relationships of Stenotrophomonas maltophilia Isolates in Hospitalized Adults from a Private Center in Lima, Peru
Tamin Ortiz-Gomez

Paula Toledano
Andrea C. Gomez
Maria Lopez
Carla Andrea Alonso
Joaquim Ruiz
Jose Lagos
Yolanda Saenz
Abstract
Stenotrophomonas maltophilia is an opportunistic pathogen, often associated with nosocomial infections. Ten S. maltophilia were isolated from clinical samples during the period January 2021 and June 2022. Eight (80%) patients had cancer as a background disease and 2 patients had coronavirus disease 2019. A fatal outcome was recorded in 4 cases (40% of patients). All the isolates were susceptible to minocycline and levofloxacin. Trimethoprim/sulfamethoxazole and ceftazidime resistance rates were 20% and 40% respectively. Eight different patterns were observed by Pulsed-Field Gel Electrophoresis, only two isolates being clonally identical. The isolation of S. maltophilia in clinical settings requires the implementation of infection prevention measures.
KEYWORD
Drug Resistance, Pulsed-Field Gel Electrophoresis, Stenotrophomonas maltophilia
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