Study of Methicillin Resistant Staphylococcus aureus in North India
Author Information
Author(s): Dar Javid A, Thoker Manzoor A, Khan Jamal A, Ali Asif, Khan Mohammed A, Rizwan Mohammed, Bhat Khalid H, Dar Mohammad J, Ahmed Niyaz, Ahmad Shamim
Primary Institution: Institute of Ophthalmology, J. N. Medical College, Aligarh Muslim University, Aligarh, India
Hypothesis
What is the epidemiology and resistance patterns of MRSA in hospital settings of North India?
Conclusion
The study found a significant increase in MRSA prevalence and multi-drug resistance, with colonized hospital patients and workers being the main reservoirs.
Supporting Evidence
- 35.1% of Staphylococcus aureus isolates were resistant to methicillin.
- Highest percentage of MRSA was found in pus specimens (35.5%).
- Zero resistance was found to vancomycin among both methicillin-resistant and sensitive isolates.
- Resistance transfer from clinical to carrier staphylococci was observed.
- Vancomycin remains the drug of choice for MRSA infections.
Takeaway
This study shows that many people in hospitals carry a type of bacteria called MRSA that is hard to treat, and it can spread easily among patients and staff.
Methodology
The study involved isolating and identifying staphylococci from clinical samples and nasal cultures, followed by susceptibility testing and molecular typing.
Potential Biases
Potential bias in sample collection and the lack of comprehensive demographic data.
Limitations
The study did not account for all potential sources of MRSA colonization and relied on specific sample types.
Participant Demographics
The study included 750 subjects, with a male to female ratio of 52.5:47.5, aged 5 to 75 years.
Digital Object Identifier (DOI)
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