A systematic review of the investigation and management of close contacts of tuberculosis in China

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Title A systematic review of the investigation and management of close contacts of tuberculosis in China
Author Liu, Eryong; Cheng, Shiming; Wang, Xuejing; Hu, Dongmei; Zhang, Tianhao; Chu, Cordia Ming-Yeuk
Journal Name Journal of Public Health
Year Published 2010
Place of publication United Kingdom
Publisher Oxford University Press
Abstract Background Contact investigation is a logical approach to intensified case finding in China. However, currently there are no written national guidelines. The aim of this study is to review the published literature that describes the procedures followed by local level and report the yield for active tuberculosis (TB) cases. Methods Studies conducted in China and published between 1997 and 2007 on contact investigation were searched. Results Twelve studies were included in the review. There was no standard definition of contact and no study provided details on how to prioritize contacts. Investigation methods vary between each study. The number of contacts investigated per index case ranged from 22.7 to 658 in congregate settings and from 1.5 to 5.8 in household. The yields for active TB ranged from 0 to 11.765% in congregate settings and from 0 to 6.897% in household. The weighted yields for smear-positive index and smear-negative index were 1 and 0.2% respectively in household and 0.5% for pulmonary case index in congregate settings. Conclusion There is considerable heterogeneity amongst the methods used and the cases yielded in these studies, and in general the quality of contact investigation is low; therefore, there is a need for China to develop national guidelines on contact investigation.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1093/pubmed/fdq032
Volume 32
Issue Number 4
Page from 461
Page to 466
ISSN 1741-3842
Date Accessioned 2010-12-15
Date Available 2011-06-16T06:03:21Z
Language en_AU
Research Centre Griffith Asia Institute
Faculty Faculty of Science, Environment, Engineering and Technology
Subject PRE2009-Health Care Administration; PRE2009-Health Information Systems (incl. Surveillance); PRE2009-Public Health and Health Services
URI http://hdl.handle.net/10072/36762
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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