A Study on the Prevalence of Various Enterococcus Spp. In Various Clinical Infections in Patients Attending Tertiary Care Centre.
Journal Title: International Journal of Medical Science and Innovative Research (IJMSIR) - Year 2017, Vol 2, Issue 5
Abstract
Background: Enterococcus spp. normally a commensal, is a potential pathogen of both community acquired and hospital associated infections like pneumonia, endocarditis , bacteremia, meningitis, neonatal sepsis, device associated infections and surgical site infections in both immunocompetant and immunocompromised patients. This study aims to assess the prevalence of various species of Enterococci among the various clinical infections in patients attending our tertiary care center. Materials & Methods: The study population included both inpatients and outpatient attending medicine, surgery and O&G departments .Our study was approved by the institutional ethical committee. The specimens like blood, urine, pus and wound discharges received in the laboratory were taken for study. The specimens were processed using standard microbiological techniques. The Enterococci isolated from these samples were selected for further processing and were characterized up to species level based on the Faklam and Collins conventional identification scheme for Enterococci. The results were analyzed using standard statistical methods. Results: A total of about 240 Enterococci isolates were recovered from 21,045 clinical samples including urine , blood, body fluids and pus. Majority of the Enterococcal isolates were from urine specimens 211 (87%) followed by blood 13(5%), pus 8 (3%), tissue fluids2 (0.8%), feces 6(4.6%). Of the total 240 Enterococci isolated,189 (79%), were from adult patients and 51( 21% ) from pediatric patients. Around 57% (138/240) were isolated from female and 43% (102/240) from male patients. A total of 14 (6%) Enterococci isolates were from intensive care units (medicine, surgery). The isolates from other specialties were, 11(4.5%) from nephrology, 92(38%) from urology, 20(8%) from surgery, 50(21%) from medicine , 51(21%) from pediatric departments. E.faecalis is the predominant species followed by E.faecium. Other Enterococcal species such as E.sulfurous, E.columbae , have been isolated from urine samples and E.columbae,E.dispar from blood,E.mundtii,E,asini,E.avium and E.durans from pus samples. Conclusion: A total of about 240 Enterococcal isolates were recovered from clinical specimens like urine , blood, pus and tissue fluids. Out of the 240 isolates, majority were from adults (79%) and (21%) from children. Higher isolation rate around 57% observed in female patients compared to male patients 43%. Majority of the isolates were from urine 87% followed by blood 5%and pus 3% fluids (0.8%). About (6%) Enterococcal isolates were from intensive care units and the remaining from other specialties - urology(38%), medicine (21%) and pediatrics (21%) surgery(8%) and nephrology (4.5%). E. faecalis was the predominant species with an isolation rate of about 52.5% followed by E.faecium 35% and E.raffinosus(3%) , E.sulfurous(2%), E.durans(0.8%), E.hirae (0.8%) E.avium (0,4%)and E. mundtii(0.4%) were the other species isolated.
Authors and Affiliations
Dr. M. R. Vasanthapriyan
Keywords
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