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1.
Journal of Infection and Public Health. 2014; 7 (3): 205-209
in English | IMEMR | ID: emr-141901

ABSTRACT

The objective of this study is to evaluate the patterns of nasal colonization of Staphylococcus aureus and its susceptibility patterns among medical students before and after their rotations in the hospital. Nasal swabs were obtained from 128 medical students for microbiological study and susceptibility testing prior to working in the hospital [the first], following the first rotation [the second] and at the end of the rotation schedule in the hospital [the last]. The probable risk factors for nasal carriage were recorded for assessment. S. aureus was isolated at the first, second and last swabs with colonization rates of 29.7%, 30.5% and 39.4%, respectively. The prevalence rate of colonization of S. aureus showed a statistically significant increase [P< 0.05]. There was a persistent colonization of S. aureus at the rate of 20.3%. No participants showed methicillin-resistant S. aureus. The susceptibility of S. aureus to erythromycin and clindamycin was 36.8%, 41% and 34% at the first, second and last swabs, respectively. There was no significant correlation between nasal carriage of S. aureus and its potential risk factors. After clinical rotation in the hospital, the prevalence rate of asymptomatic nasal carriage of S. aureus increased and the S. aureus isolated has shown a relatively high resistance to erythromycin and clindamycin


Subject(s)
Humans , Female , Male , Carrier State , Nose , Microbial Sensitivity Tests , Students, Medical , Follow-Up Studies
2.
Journal of Infection and Public Health. 2013; 6 (3): 196-201
in English | IMEMR | ID: emr-142721

ABSTRACT

To determine the epidemiology of the nasal carriage of Staphylococcus aureus and its susceptibility pattern among preclinical medical students at the HRH Princess Maha Chakri Sirindhorn Medical Center, Srinakharinwirot University. Nasal swabs were taken from 128 preclinical medical students prior to working at the hospital. Susceptibility testing of S. aureus was performed using Kirby Bauer's disc diffusion method. Of the 128 participants, 38/128 [29.7%; 95% confidence interval [CI] = 21.8%, 37.6%] were carriers of S. aureus. No methicillin-resistant S. aureus was detected by the cefoxitin disk diffusion test. Resistance of S. aureus to erythromycin, clindamycin, tetracycline, chloramphenicol and fusidic acid was observed at the following rates: 63.2% [95% CI; 47.8%, 78.5%], 63.2% [95% CI; 47.8%, 78.5%], 34.2% [95% CI; 19.1%, 49.3%], 2.6% [95% CI; -2.5%, 7.7%] and 2.6% [95% CI; -2.5%, 7.7%], respectively. There was no statistically significant correlation between nasal carriage of S. aureus and possible risk factors. The prevalence of asymptomatic nasal carriage of S. aureus was higher than reported by previous literature in Thailand, and S. aureus isolates exhibited relatively high resistance to erythromycin and clindamycin


Subject(s)
Humans , Staphylococcal Infections/epidemiology , Carrier State/epidemiology , Nasal Mucosa/microbiology , Anti-Bacterial Agents/pharmacology , Students, Medical , Cross-Sectional Studies
3.
Journal of Medicine and Health Sciences; 2011-02-08.
in English | IMSEAR | ID: sea-130763

ABSTRACT

Japanese encephalitis remains an important public health burden in Thailand despite japanese encephalitis vaccine has been employed in the Expanded Program of Immunization (EPI). Acute stroke or hemiparesis was an atypical feature in japanese encephalitis. We report a case of japanese encephalitis proven by demonstration of specific IgM antibody against JEV in serum with delayed presentation of left hemiparesis. No remarkably structural abnormality of brain parenchyma was detected by computer tomography (CT) and magnetic resonance imaging (MRI). With supportive treatment and physical rehabilitation, this patient has returned to fully normal neurological function.

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