Publication year
2014Source
European Journal of Clinical Microbiology and Infectious Diseases, 33, 2, (2014), pp. 171-7ISSN
Publication type
Article / Letter to editor
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Organization
Laboratory Medicine
Laboratory of Genetic, Endocrine and Metabolic Diseases
Journal title
European Journal of Clinical Microbiology and Infectious Diseases
Volume
vol. 33
Issue
iss. 2
Page start
p. 171
Page end
p. 7
Subject
Radboudumc 14: Tumours of the digestive tract RIMLS: Radboud Institute for Molecular Life SciencesAbstract
The association of colorectal neoplasia (CRN) with Streptococcus bovis biotype I (SBI) infection is well recognized. However, this is not the case for Streptococcus bovis biotype II (SBII). We conducted this study in order to analyze the relationship between SBII and CRN. We analyzed all cases of bacteremia due to SBI (n = 99) and SBII (n = 36) diagnosed in our hospital (during the period 1988-2011) that were followed up with colonoscopy. In addition, we reviewed the literature (during the period 1982-2011) to select all cases of infection of SB that had undergone colonoscopy or other adequate form of colorectal examination. A multivariate analysis was performed to detect CRN risk factors in patients infected with SB. From the 223 cases of SB infection included in the analysis (135 from our institution and 88 from the literature review), 159 were due to SBI and 64 were caused by SBII. As compared with SBI, the SBII cases had a lower frequency of CRN (27 % vs. 67 %, p <0.001), advanced adenomas (8 % vs. 29 %, p <0.01), and carcinomas (6 % vs. 21 %, p <0.01). In a multivariate analysis, and after adjusting for age, sex, type of infection, and biotype, SBII infection was not associated with CRN: odds ratio (OR) = 0.17; 95 % confidence interval (CI) = 0.09 to 0.33. The only factor independently associated with CRN was SBI infection: OR = 5.7; 95 % CI = 3.0 to 10.9. The prevalence of CRN in patients infected with SBII is significantly lower than patients with SBI and does not appear to be higher than the CRN prevalence among the general population.
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- Faculty of Medical Sciences [93268]
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