Alīgarh, India
Alīgarh, India

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Khan F.,JNMC Hospital | Shukla I.,JNMC Hospital | Rivzi M.,JNMC Hospital
Malaysian Journal of Microbiology | Year: 2011

The study was carried out to determine the prevalence of MRSA, VRSA and their current antimicrobial susceptibility pattern to various non-β-lactam antimicrobial agents to record the current status of MRSA response to commonly used antistaphylococcal antibiotics in Aligarh, India for a period of two years. A total of 430 Staphylococcus aureus strains were isolated from various clinical samples. Two hundred ninety (67.44%) of S. aureus were isolated from pus and most of these were from orthopaedics 124 (28.85%) and surgery wards 99 (23.02%). One hundred thirty eight (32.09%) strains were confirmed to be methicillin resistant by both phenotypic and genotypic methods. More than 80% of MRSA strains were multidrug resistant. However, all were uniformly sensitive to vancomycin and linezolid. Levofloxacin was the drug found to be resistant in just 16.47% MRSA strains. Vancomycin is the drug of choice for MRSA treatment. However, regular screening should be done for vancomycin intermediate and vancomycin resistant strains of Staphylococcus aureus. We suggest the use of levofloxacin for MRSA treatment since overuse of vancomycin can lead to the development of vancomycin resistance and more importantly it is beyond the scope of poor patients in developing countries like India. © 2011. Malaysian Journal of Microbiology.

Khan F.,JNMC Hospital | Shukla I.,JNMC Hospital | Rizvi M.,JNMC Hospital | Mansoor T.,JNMC Hospital | Sharma S.C.,JNMC Hospital
Trends in Medical Research | Year: 2011

Staphylococcus aureus is a causative agent of many types of diseases throughout the world. Staphylococcal infections are of particular concern because of the causative bacteria offering resistance to a wide range of commonly used antibiotics. The formation of biofilm is the hallmark characteristic of S. aureus infection. Biofilms constitute reservoir of pathogens and are associated with resistance to antimicrobial agents and chronic infections. In this study 262 clinical strains of S. aureus were screened by tissue culture plate method, tube method and congo red agar method for biofilm formation. Antimicrobial sensitivity testing of these strains was done by Kirby bauer disc diffusion method. Tissue culture plate method detected 38 (14.51%) isolates as strong biofilm producers, 132 (50.38%) as moderate biofilm producers and 92 (35.11%) strains as nonproducers of biofilm. The congo red agar method had a low sensitivity and specificity of 67.65 and 89.13%. The tube method correlated well with tissue culture plate method with a sensitivity and specificity of 99.40 and 95.78% but the interpretation are observer dependent. Biofilm production was higher in methicillin resistant strains as compared to the methicillin sensitive strains of S. aureus. Biofilm producers were found to be more resistant to almost all the groups of antibiotics. © 2011 Academic Journals Inc.

PubMed | Jnmc Hospital
Type: Journal Article | Journal: Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India | Year: 2012

Formaldehyde has been used since ages in the various laboratories. Recently, interest has developed in the possible role of formaldehyde in the development of Squamous Cell Carcinoma. In this study 53 students (undergraduates and postgraduates) were exposed to formaldehyde and they were compared with 25 students (control group) unexposed to formaldehyde. Results have shown that students who were exposed to formaldehyde for a longer time showed mucosal changes as compared to the control group.

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