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2. Isolation, characterisation and antibiotic susceptibility of staphylococcal isolates with special reference to methicillin-resistant Staphylococcus aureus from the anterior nares of healthcare workers in A tertiary healthcare centre

Author

Chaurasia Mukul, Agrawa Neha, Chourasia Ankita, Bhatnagar Monica, Parihar Geeta, Rastogi Vijaylatha, and Tak Amit

Subjects
antibiotic susceptibility pattern, healthcare workers, methicillin-resistant staphylococcus aureus, minimum inhibitory concentration, nosocomial infections, Medicine
Abstract

Background: Staphylococcus aureus (S. aureus) and its resistant form methicillinresistant S. aureus (MRSA) is one of the most common nosocomial pathogens causing a wide range of infections in humans. The anterior nares are the main ecological niche for S. aureus. Nasal carriage of S. aureus acts as an important reservoir of infection among the colonised healthcare workers and they transmit the infection to the community. The aim of the present study was to estimate the nasal colonisation of S. aureus (with special reference to MRSA) in healthcare workers (doctors and nursing staff) and its antibiotic susceptibility pattern. Methods: A descriptive study was planned in the Department of Microbiology, JLN Medical College, Ajmer (Rajasthan, India) after due approval from the institutional ethics committee. A total of 170 healthcare workers of either sex aged between 18 to 60 years were screened for S. aureus. Identification was done using standard microbiological techniques, by studying their morphology, colony and biochemical characteristics. MRSA was detected by cefoxitin disc diffusion test, oxacillin disc diffusion test, minimum inhibitory concentration (MIC) of oxacillin by E-test and oxacillin screen agar test. The observations were described in proportions and Chisquared test was used to find independence. Statistical significance was considered at 5 %. Results: Among 170 samples, 159 (93.53 %) samples (50 doctors and 109 nursing staff) had staphylococci colonisation. Among these 159 isolates, 34 (21.38 %) were S. aureus. Further, 8 (5.03 %) S. aureus isolates were resistant to both cefoxitin and oxacillin and had oxacillin MIC values ≥ 4 µg/mL and were considered MRSA. All the MRSA were detected in the nursing staff (males: 5.50 %, females: 1.83 %). All S. aureus and MRSA isolates were found sensitive to linezolid, vancomycin and mupirocin (minimum inhibitory concentration ≤ 4 µg/mL). Conclusion: Screening and treatment of healthcare workers colonised with MRSA should be an important component of hospital infection control policy. These measures will prevent spread of infection to patients and the community and thereby reduce the morbidity, mortality and healthcare costs associated with nosocomial infections.

Published
2021
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4. Determinants for progression from asymptomatic infection to symptomatic visceral leishmaniasis: A cohort study

Author

Chakravarty, Jaya, primary, Hasker, Epco, additional, Kansal, Sangeeta, additional, Singh, Om Prakash, additional, Malaviya, Paritosh, additional, Singh, Abhishek Kumar, additional, Chourasia, Ankita, additional, Singh, Toolika, additional, Sudarshan, Medhavi, additional, Singh, Akhil Pratap, additional, Singh, Bhawana, additional, Singh, Rudra Pratap, additional, Ostyn, Bart, additional, Fakiola, Michaela, additional, Picado, Albert, additional, Menten, Joris, additional, Blackwell, Jenefer M., additional, Wilson, Mary E., additional, Sacks, David, additional, Boelaert, Marleen, additional, and Sundar, Shyam, additional

Published
2019
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6. Outcome of patients on second line antiretroviral therapy under programmatic condition in India

Author

Chakravarty, Jaya, primary, Sundar, Shyam, additional, Chourasia, Ankita, additional, Singh, Pallav Narayan, additional, Kurle, Swarali, additional, Tripathy, Srikanth P., additional, Chaturbhuj, Devidas N, additional, Rai, Madhukar, additional, Agarwal, Amit Kumar, additional, Mishra, Rabindra Nath, additional, and Paranjape, Ramesh S., additional

Published
2015
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8. Strong Association between Serological Status and Probability of Progression to Clinical Visceral Leishmaniasis in Prospective Cohort Studies in India and Nepal

Author

Hasker, Epco, primary, Malaviya, Paritosh, additional, Gidwani, Kamlesh, additional, Picado, Albert, additional, Ostyn, Bart, additional, Kansal, Sangeeta, additional, Singh, Rudra Pratap, additional, Singh, Om Prakash, additional, Chourasia, Ankita, additional, Singh, Abhishek Kumar, additional, Shankar, Ravi, additional, Wilson, Mary E., additional, Khanal, Basudha, additional, Rijal, Suman, additional, Boelaert, Marleen, additional, and Sundar, Shyam, additional

Published
2014
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9. Correction: Latent Infection with Leishmania donovani in Highly Endemic Villages in Bihar, India

Author

Hasker, Epco, primary, Kansal, Sangeeta, additional, Malaviya, Paritosh, additional, Gidwani, Kamlesh, additional, Picado, Albert, additional, Singh, Rudra Pratap, additional, Chourasia, Ankita, additional, Singh, Abhishek Kumar, additional, Shankar, Ravi, additional, Menten, Joris, additional, Wilson, Mary Edyth, additional, Boelaert, Marleen, additional, and Sundar, Shyam, additional

Published
2013
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10. Latent Infection with Leishmania donovani in Highly Endemic Villages in Bihar, India

Author

Hasker, Epco, primary, Kansal, Sangeeta, additional, Malaviya, Paritosh, additional, Gidwani, Kamlesh, additional, Picado, Albert, additional, Singh, Rudra Pratap, additional, Chourasia, Ankita, additional, Singh, Abhishek Kumar, additional, Shankar, Ravi, additional, Menten, Joris, additional, Wilson, Mary Elizabeth, additional, Boelaert, Marleen, additional, and Sundar, Shyam, additional

Published
2013
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