Detection of Staphylococcus epidermidis either a pathogen or a commensal / Masitah Ismail

Ismail, Masitah (2007) Detection of Staphylococcus epidermidis either a pathogen or a commensal / Masitah Ismail. Degree thesis, Universiti Teknologi MARA.

Abstract

Staphylococcus epidermidis is one of the common contaminants isolated in clinical samples. This microorganism has been long treated as non-pathogenic bacteria because there are no sufficient evidence and studies conducted to determine the clinical importance of Staphylococcus epidermidis. A prospective study was conducted to determine the clinical importance of Staphylococcus epidermidis and further test to confirm its pathogencity features and susceptibility pattern. This study consists of 20 subjects with suspected upper respiratory tract infections such as cough and sore throat. Since there were no medical cares or drugs administration, it reflexes its non-severity. Although, it may persist as a pathogen with comparatively low virulence factors, extended duration may lead to severe diseases, which in turn encourage the initiation of secondary bacterial infections. Ten isolates of Staphylococcus epidermidis were obtained from the 20 subjects and the isolates were subjected to biochemical tests for isolation and characterization. In order to meet National Committee for Clinical Laboratory, Kirby Bauer's disc diffusion was adopted to study the susceptibility patterns of Staphylococcus epidermidis. The study revealed that that 90% Staphylococcus epidermidis isolates were sensitive to Ciprofloxacin (5mcg) and Ampicilin/Sulbactam (20mcg) but 70% of the confirmed isolates were resistant to Penicillin G and Vancomycin, 60% of confirmed isolates were resistant to Ampicilin and 50% of the Staphylococcus epidermidis isolates were resistant to oxacillin respectively. This suggests that, Ciprofloxacin and Ampicillin/ Sulbactam (SAM) could be used in the treatment of multiresistant Staphylococcus epidermidis infections. The findings of this project not only indicate that regular observation of the drug is necessary, the drug's policy also need to be strictly followed by clinician to avoid emergence of resistant Staphylococcus epidermidis. Ideally, the prevention of Staphylococcus epidermidis infections based on better understanding of epidemiology, hospital reservoirs, mechanism of transmission and host defense against these organisms.

Metadata

Item Type: Thesis (Degree)
Creators:
Creators
Email / ID Num.
Ismail, Masitah
UNSPECIFIED
Contributors:
Contribution
Name
Email / ID Num.
Thesis advisor
Rambley, Azlin Sham
UNSPECIFIED
Subjects: Q Science > QR Microbiology
Q Science > QR Microbiology > Microbial ecology
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Health Sciences
Programme: Bachelor of Science (Hons.) Medical Technology
Keywords: Staphylococcus epidermidis, Contaminants, Pathogen, Commensal
Date: 2007
URI: https://ir.uitm.edu.my/id/eprint/47498
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