Evolving rapid methicillin-resistant Staphylococcus aureus detection: Cover all the bases

The dissemination of methicillin-resistant (MR) Staphylococcus aureus (SA) in community and health-care settings is of great concern and associated with high mortality and morbidity. Rapid detection of MRSA with short turnaround time can minimize the time to initiate appropriate therapy and further...

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Main Authors: Yamuna Devi Bakthavatchalam, Laura E B Nabarro, Balaji Veeraraghavan
Format: Article
Language:English
Published: Wolters Kluwer Medknow Publications 2017-01-01
Series:Journal of Global Infectious Diseases
Subjects:
Online Access:http://www.jgid.org/article.asp?issn=0974-777X;year=2017;volume=9;issue=1;spage=18;epage=22;aulast=Bakthavatchalam
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author Yamuna Devi Bakthavatchalam
Laura E B Nabarro
Balaji Veeraraghavan
author_facet Yamuna Devi Bakthavatchalam
Laura E B Nabarro
Balaji Veeraraghavan
author_sort Yamuna Devi Bakthavatchalam
collection DOAJ
description The dissemination of methicillin-resistant (MR) Staphylococcus aureus (SA) in community and health-care settings is of great concern and associated with high mortality and morbidity. Rapid detection of MRSA with short turnaround time can minimize the time to initiate appropriate therapy and further promote infection control. Early detection of MRSA directly from clinical samples is complicated by the frequent association of MRSA with methicillin-susceptible SA (MSSA) and coagulase-negative Staphylococcus (CoNS) species. Infection associated with true MRSA or MSSA is differentiated from CoNS, requires target specific primers for the presence of SA and mec A or nuc or fem A gene for confirmation of MR. Recently, livestock-associated MRSA carrying mec C variant complicates the epidemiology of MRSA further. Several commercial rapid molecular kits are available with a different combination of these targets for the detection of MRSA or MSSA. The claimed sensitivity and specificity of the currently available commercial kits is varying, because of the different target combination used for detection of SA and MR.
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spelling doaj.art-e177158561454abda98fda3898083f272022-12-21T20:07:19ZengWolters Kluwer Medknow PublicationsJournal of Global Infectious Diseases0974-777X2017-01-0191182210.4103/0974-777X.199997Evolving rapid methicillin-resistant Staphylococcus aureus detection: Cover all the basesYamuna Devi BakthavatchalamLaura E B NabarroBalaji VeeraraghavanThe dissemination of methicillin-resistant (MR) Staphylococcus aureus (SA) in community and health-care settings is of great concern and associated with high mortality and morbidity. Rapid detection of MRSA with short turnaround time can minimize the time to initiate appropriate therapy and further promote infection control. Early detection of MRSA directly from clinical samples is complicated by the frequent association of MRSA with methicillin-susceptible SA (MSSA) and coagulase-negative Staphylococcus (CoNS) species. Infection associated with true MRSA or MSSA is differentiated from CoNS, requires target specific primers for the presence of SA and mec A or nuc or fem A gene for confirmation of MR. Recently, livestock-associated MRSA carrying mec C variant complicates the epidemiology of MRSA further. Several commercial rapid molecular kits are available with a different combination of these targets for the detection of MRSA or MSSA. The claimed sensitivity and specificity of the currently available commercial kits is varying, because of the different target combination used for detection of SA and MR.http://www.jgid.org/article.asp?issn=0974-777X;year=2017;volume=9;issue=1;spage=18;epage=22;aulast=BakthavatchalamLivestock-methicillin-resistant Staphylococcus aureusmethicillin-resistant Staphylococcus aureusmethicillin-susceptible Staphylococcus aureusXpert MRSA assay
spellingShingle Yamuna Devi Bakthavatchalam
Laura E B Nabarro
Balaji Veeraraghavan
Evolving rapid methicillin-resistant Staphylococcus aureus detection: Cover all the bases
Journal of Global Infectious Diseases
Livestock-methicillin-resistant Staphylococcus aureus
methicillin-resistant Staphylococcus aureus
methicillin-susceptible Staphylococcus aureus
Xpert MRSA assay
title Evolving rapid methicillin-resistant Staphylococcus aureus detection: Cover all the bases
title_full Evolving rapid methicillin-resistant Staphylococcus aureus detection: Cover all the bases
title_fullStr Evolving rapid methicillin-resistant Staphylococcus aureus detection: Cover all the bases
title_full_unstemmed Evolving rapid methicillin-resistant Staphylococcus aureus detection: Cover all the bases
title_short Evolving rapid methicillin-resistant Staphylococcus aureus detection: Cover all the bases
title_sort evolving rapid methicillin resistant staphylococcus aureus detection cover all the bases
topic Livestock-methicillin-resistant Staphylococcus aureus
methicillin-resistant Staphylococcus aureus
methicillin-susceptible Staphylococcus aureus
Xpert MRSA assay
url http://www.jgid.org/article.asp?issn=0974-777X;year=2017;volume=9;issue=1;spage=18;epage=22;aulast=Bakthavatchalam
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AT balajiveeraraghavan evolvingrapidmethicillinresistantstaphylococcusaureusdetectioncoverallthebases