International Journal of One Health

Open access and peer reviewed journal on Human, Animal and Environmental health

ISSN (Online): 2455-8931

ISSN (Print): 2455-5673

 

 


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Copyright: The Authors. This article is an open access article distributed under the terms of the Creative Commons Attribution
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Research (Published online: 25-04-2017)

2. The importance of timely introduction of vancomycin therapy against methicillin-resistant Staphylococcus aureus (MRSA) bacteremia and severity of MRSA bacteremia at Teaching Hospital, Anuradhapura, Sri Lanka - Jayaweera Arachchige Asela Sampath Jayaweera, Malika Karunarathne and Wikum Widuranga Kumbukgolla

International Journal of One Health, 3: 7-11

 

 

  doi: 10.14202/IJOH.2017.7-11

 

Jayaweera Arachchige Asela Sampath Jayaweera: Department of Microbiology, Faculty of Medicine and Allied Sciences, Rajarata University Saliyapura, Sri Lanka.

Malika Karunarathne: Consultant Microbiologist, Teaching Hospital, Anuradhapura, Sri Lanka.

Wikum Widuranga Kumbukgolla: Department of Biochemistry, Faculty of Medicine and Allied Sciences, Rajarata University Saliyapura, Sri Lanka.

 

Received: 01-03-2017, Accepted: 31-03-2017, Published online: 25-04-2017

 

Corresponding author: Jayaweera Arachchige Asela Sampath Jayaweera,

e-mail: jaas820703@yahoo.com


Citation: Sampath Jayaweera JAA, Karunarathne M, Kumbukgolla WW. The importance of timely introduction of vancomycin therapy against methicillin-resistant Staphylococcus aureus (MRSA) bacteremia and severity of MRSA bacteremia at Teaching Hospital, Anuradhapura, Sri Lanka. Int J One Health 2017;3:7-11


Abstract


Aim: Worldwide, an estimated 2 billion healthy people carry Staphylococcus aureus (SA) and of these, up to 53 million are thought to carry methicillin-resistant SA (MRSA). MRSA bacteremia patients are more critical to manage and timely introduction of antibiotics is life-saving. The aim of the study was to elucidate the prevalence of MRSA bacteremia in different units of Teaching Hospital, Anuradhapura (THA), Sri Lanka and assess the clinical characteristics and associated mortality related to timely introduction of vancomycin therapy.

Materials and Methods: The data on MRSA bacteremia which were obtained from THA, for the period of March 2012 to December 2013 were statically analyzed emphasizing the unit-wise prevalence, severity, and comorbidity and timely introduction of vancomycin therapy.

Results: The laboratory records of total 13,260 blood cultures were analyzed. Of those, MRSA bacteremia was detected in 61 cultures (9.3%). The highest prevalence of MRSA bacteremia was observed in the nephrology unit. The survival rate of the patients when the vancomycin therapy started before 24 h of receiving the blood culture report was 94.9% and in the instances of the treatment started after 24 h of blood culture report, the survival rate decreased down to 50%. High Pitt Bacteraemia score (PBS) (p<0.05) and initiation of vancomycin therapy after 24 h following the receipt of blood culture report (p<0.05) independently affected the MRSA bacteremic patient’s 7th day mortality. Having comorbidities have not shown significant impact on 7th day mortality.

Conclusion: The start of vancomycin therapy as earlier as possible following arrival of antibacterial susceptibility test reduces the likelihood of mortality.

Keywords: MRSA bacteremia, timing of vancomycin, severity.


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