Broad identification of bacterial type from pus by 1H MR spectroscopy.

Abstract:

BACKGROUND:Abscess formation is a common bacterial infection and requires an immediate antimicrobial approach for apposite treatment. Delay in patient treatment is usually a common feature, as the bacterial identification of clinical samples is based on the culture, which is a time-consuming exercise. The current study was aimed at developing an alternative technique with the potential for rapid bacterial group identification. MATERIALS AND METHODS:In the present study we performed ex vivo proton magnetic resonance spectroscopy of 40 pus samples collected from abscesses in different locations and the results have been retrospectively compared with the microorganism identified in the pus culture. In addition, the microbes obtained from the culture have been further subcultured and studied with magnetic resonance spectroscopy to identify the bacterial fingerprint in the pus sample seen on spectroscopy. RESULTS:On reviewing the spectra obtained from the various abscesses, they were found to be qualitatively similar for a particular bacterium. The similar spectral pattern of the pus with obligate aerobes/anaerobes and pure cultures of the same bacteria suggests its strict metabolism under in vivo and in vitro conditions, respectively. CONCLUSIONS:The characteristic metabolite pattern of obligate anaerobes may be used as a prototype for its rapid identification. This information may be of value for more appropriate clinical management of such cases.

journal_name

Eur J Clin Invest

authors

Garg M,Misra MK,Chawla S,Prasad KN,Roy R,Gupta RK

doi

10.1046/j.1365-2362.2003.01148.x

keywords:

subject

Has Abstract

pub_date

2003-06-01 00:00:00

pages

518-24

issue

6

eissn

0014-2972

issn

1365-2362

pii

1148

journal_volume

33

pub_type

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