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首页> 外文期刊>Emerging Infectious Diseases >Determinants of Multidrug-Resistant Tuberculosis Clusters, California, USA, 2004–2007
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Determinants of Multidrug-Resistant Tuberculosis Clusters, California, USA, 2004–2007

机译:2004-2007年,美国加利福尼亚,耐多药结核病集群的决定因素

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Laboratory and epidemiologic evidence suggests that pathogen-specifi c factors may affect multidrug-resistant (MDR) tuberculosis (TB) transmission and pathogenesis. To identify demographic and clinical characteristics of MDR TB case clustering and to estimate the effect of specifi c iso-niazid resistance–conferring mutations and strain lineage on genotypic clustering, we conducted a population-based cohort study of all MDR TB cases reported in California from January 1, 2004, through December 31, 2007. Of 8,899 in-cident culture-positive cases for which drug susceptibility in-formation was available, 141 (2%) were MDR. Of 123 (87%) strains with genotype data, 25 (20%) were aggregated in 8 clusters; 113 (92%) of all MDR TB cases and 21 (84%) of clustered MDR TB cases occurred among foreign-born patients. In multivariate analysis, the katG S315T mutation (odds ratio 11.2, 95% confi dence interval 2.2–∞; p = 0.004), but not strain lineage, was independently associated with case clustering
机译:实验室和流行病学证据表明,病原体特异性因素可能影响耐多药(MDR)结核(TB)的传播和发病机制。为了确定耐多药结核病病例聚类的人口统计和临床特征,并评估特定的耐异烟肼耐药突变和菌株谱系对基因型聚类的影响,我们对来自加利福尼亚州的所有耐多药结核病病例进行了人群研究2004年1月1日至2007年12月31日。在8899例事件中培养阳性的病例中,有药物敏感性信息可用,其中141例(2%)是MDR。在具有基因型数据的123个菌株中(87%),有25个(20%)聚集在8个簇中。在所有耐多药结核病病例中,有113例(92%)和在集体出生的耐多药结核病中有21例(84%)发生在外国出生的患者中。在多变量分析中,katG S315T突变(几率11.2,95%置信区间2.2–∞; p = 0.004),而不是株系,与病例聚类独立相关

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