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Prevalence of methicillin-resistant Staphylococcus aureus in a tertiary hospital in Nepal

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P. Pradhan, P. Rajbhandari, S. B. Nagaraja, P. Shrestha, R. Grigoryan, S. Satyanarayana, H. Davtyan


SETTING: Patan Hospital, Lalitpur, Nepal.

OBJECTIVES: To describe 1) the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) and its antibiotic sensitivity pattern; 2) the demographic and clinical characteristics associated with MRSA infections; and 3) the treatment outcomes of in-patients with MRSA infection among patients with S. aureus infection between January2018 and December 2020.

DESIGN: This was a cross-sectional study using electronic and paper-based hospital records of patients with S. aureusinfection.

RESULTS: Of the 1,804 patients with S. aureus infection, 1,027 patients (57%, 95% CI 55–59) had MRSA. The MRSA were susceptible to vancomycin (100%), linezolid (96%), doxycycline (96%), chloramphenicol (86%) and cotrimoxazole (70%), and resistant to erythromycin (68%), clindamycin (56%), gentamycin (58%), ciprofloxacin (92%) and ofloxacin (91%). The prevalence of MRSA was higher in 2019, among out-patients, and in respiratory samples, and lower in blood samples. Of the 142 in-patients with MRSA, 93% had a successful clinical outcome (cured/improved).

CONCLUSION: More than 50% of patients with S. aureus infection had MRSA that were resistant to commonly available antibiotics. This calls for strengthening surveillance and good infection control practices in this hospital.