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versión impresa ISSN 0123-9392
Resumen
CASADIEGO RINCON, Elkin Javier y SALAMANCA, Claudia Lucia. High proportion of isolated resistant methicillin-resistant Staphylococcus aureus in patients treated in a national refe rence dermatological outpatient service: cohort 2010 to 2019. Infect. [online]. 2021, vol.25, n.2, pp.101-107. Epub 10-Mayo-2021. ISSN 0123-9392. https://doi.org/10.22354/in.v25i2.927.
Objective:
To estimate the resistance trend of Staphylococcus aureus (S. aureus) against different antibiotics in a reference dermatology outpatient center in Colombia.
Methods:
Descriptive and trend analyzes were performed using segmented regression models for the period 2010 to 2019.
Results:
The greatest resistance was presented to oxacillin, with a median of 54.3% (RIQ: 43 - 58.8), followed by erythromycin with 20%, (RIQ: 15.4 - 26.5), then clindamycin with 14% (RIQ: 7.9 - 20), gentamicin with 7.5% (RIQ: 0 -10), trimethoprim / sulfamethoxazole (SXT) with 5.5% (RIQ: 4 - 11), and ciprofloxacin with 2.1% (RIQ: 2 - 8.4). The trend of S. aureus resistance to oxacillin from 2010 to 2019 was increasing with a non-significant Annual Percent Change (APC) of (0.07) (95% CI -3.7, 3.9). APC for erythromycin (-1.2) (95% CI: -11.3; 10), clindamycin (-1.7) (95% CI: 11; -12.9), ciprofloxacin (-25.4) (95% CI: -44.6; 0.5) and trimethoprim / sul famethoxazole (-20.7) (95% CI: -43.5; 11.2), were decreasing not significant. For gentamicin the trend was decreasing and significant (-44.2) (95% CI: -19.9; -61.1).
Conclusions:
The resistance of S. aureus to oxacillin exhibited a slightly increasing trend for the period 2010 to 2019 and increasing in the last 3 years, exceeding on average that reported at the country level and the world average. Antibiotics for outpatient management of skin and soft tissue pyoderma with less resistance were ciprofloxacin, SXT, clindamycin for systemic use, and fusidic acid, mupirocin for topical management and decolonization. It is important to articulate surveillance of S. aureus in outpatient care to the national surveillance network.
Palabras clave : Antibacterial Drug Resistance, Methicillin-Resistant Staphylococcus aureus; trends, Linear Models, Epidemiologic Surveillance; Colombia..