Infections associated with Staphylococcus aureus have high mortality rate and lead to economic loss with a long stay in the hospital. Methicillin-resistant S. aureus (MRSA) is one of the major nosocomial pathogens which are acquired in the health care facilities. The objective of the study was to investigate the presence of MRSA in clinical sources and hospital environments. Samples were collected, cultured and identified. Also, the antibiotic susceptibility profile was done. Polymerase chain reaction (PCR) amplification of identification gene nuc-and the resistant gene, mecA were conducted. Sixty-three isolates were positive for S. aureus out of 370 clinical samples (urine, wound, nasal swabs and pus) and 37 positives out of 262 samples from hospital environments. Majority of the isolates were sensitive to cefoxitin, novobiocin and majority were resistant to ceftazidine, cloxacillin and augmentin. Seventy-one to ninety-five percent and 51-72% exhibited multi-drug resistance among clinical samples and hospital environments respectively. Both samples were positive for nuc and mec A genes. The detection of MRSA in hospital environments may pose a great danger to patients especially those of compromised status. Adekunle et al.; MRJI, 28(5): 1-7, 2019; Article no.MRJI.51076 2 Original Research Article
Infections associated with Staphylococcus aureus (S.aureus) have high mortality rate and lead to economic loss with a long stay in the hospital. Methicillin-resistant Staphylococcus aureus (MRSA) is one of the major nosocomial pathogens which are acquired in the health care facilities. The objective of the study is to investigate the presence of methicillin-resistant Staphylococcus aureus (MRSA) in clinical sources and hospital environments. Samples were collected, cultured and identified morphologically. Likewise, the antibiotic susceptibility profile was done. Identification was also done molecularly using PCR (Polymerase Chain Reaction) method. Sixty-three isolates were positive for S. aureus out of 370 clinical samples (urine, wound, nasal swabs and pus) and 37 positives out of 262 samples from hospital environments. Majority of the isolates were sensitive to cefoxitin, novobiocin and majority were resistant to ceftazidine, cloxacillin and augmentin. Seventy-one to ninety- five percent and 51-72% exhibited multi-drug resistance among clinical samples and hospital environments respectively. Both samples were positive for nuc and mec A genes. The detection of methicillin-resistant S. aureus (MRSA) in hospital environments may pose a great danger to patients especially those of compromised status.
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