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Concordance of chlamydia infections of the rectum and urethra in same-sex male partnerships: a cross-sectional analysis.
BMC Infect Dis. 2017 01 05; 17(1):22.BI

Abstract

BACKGROUND

Our study aimed to describe the concordance of chlamydia infections of the rectum and urethra in men who have sex with men (MSM) and their male partners.

METHODS

This was a cross-sectional study of chlamydia in MSM and their male sexual partners both attending Melbourne Sexual Health Centre (MSHC), Australia, between February 2011 and March 2015. We excluded partnerships where testing for chlamydia at both the rectum and urethra were not undertaken.

RESULTS

Our study included 473 partnerships (946 men). 30 men had urethral chlamydia, of whom 14 (47%, 95% CI 28 to 66) had a partner with rectal chlamydia. 46 men had rectal chlamydia, of whom 14 (30%, 95% CI 18 to 46) had a partner with urethral chlamydia. The proportion of men with rectal chlamydia when their partner had urethral chlamydia was significantly higher than the proportion of men with urethral chlamydia when their partner had rectal chlamydia (McNemar's p = 0.02).

CONCLUSIONS

This is the first study of chlamydia concordance in male sexual partnerships and suggests that transmission of chlamydia between the urethra and rectum may be less efficient than has been reported for transmission between the urethra and cervix in heterosexual couples. It also suggests that transmission from the urethra to the rectum may be more efficient than in the opposite direction.

Authors+Show Affiliations

Melbourne Sexual Health Centre, Alfred Health, 580 Swanston St, Carlton, Melbourne, VIC, 3052, Australia. vcornelisse@mshc.org.au. Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia. vcornelisse@mshc.org.au.Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia.Melbourne Sexual Health Centre, Alfred Health, 580 Swanston St, Carlton, Melbourne, VIC, 3052, Australia. Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia.Melbourne Sexual Health Centre, Alfred Health, 580 Swanston St, Carlton, Melbourne, VIC, 3052, Australia. Melbourne School of Population and Global Health, University of Melbourne, Melbourne, Australia.Melbourne Sexual Health Centre, Alfred Health, 580 Swanston St, Carlton, Melbourne, VIC, 3052, Australia. The Kirby Institute, The University of New South Wales, Sydney, Australia.Melbourne Sexual Health Centre, Alfred Health, 580 Swanston St, Carlton, Melbourne, VIC, 3052, Australia. Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.Melbourne Sexual Health Centre, Alfred Health, 580 Swanston St, Carlton, Melbourne, VIC, 3052, Australia. Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.Melbourne Sexual Health Centre, Alfred Health, 580 Swanston St, Carlton, Melbourne, VIC, 3052, Australia. Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.Melbourne Sexual Health Centre, Alfred Health, 580 Swanston St, Carlton, Melbourne, VIC, 3052, Australia. Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.Melbourne Sexual Health Centre, Alfred Health, 580 Swanston St, Carlton, Melbourne, VIC, 3052, Australia. Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28056825

Citation

Cornelisse, Vincent J., et al. "Concordance of Chlamydia Infections of the Rectum and Urethra in Same-sex Male Partnerships: a Cross-sectional Analysis." BMC Infectious Diseases, vol. 17, no. 1, 2017, p. 22.
Cornelisse VJ, Sherman CJ, Hocking JS, et al. Concordance of chlamydia infections of the rectum and urethra in same-sex male partnerships: a cross-sectional analysis. BMC Infect Dis. 2017;17(1):22.
Cornelisse, V. J., Sherman, C. J., Hocking, J. S., Williams, H., Zhang, L., Chen, M. Y., Bradshaw, C. S., Bellhouse, C., Fairley, C. K., & Chow, E. P. (2017). Concordance of chlamydia infections of the rectum and urethra in same-sex male partnerships: a cross-sectional analysis. BMC Infectious Diseases, 17(1), 22. https://doi.org/10.1186/s12879-016-2141-7
Cornelisse VJ, et al. Concordance of Chlamydia Infections of the Rectum and Urethra in Same-sex Male Partnerships: a Cross-sectional Analysis. BMC Infect Dis. 2017 01 5;17(1):22. PubMed PMID: 28056825.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Concordance of chlamydia infections of the rectum and urethra in same-sex male partnerships: a cross-sectional analysis. AU - Cornelisse,Vincent J, AU - Sherman,Christopher J, AU - Hocking,Jane S, AU - Williams,Henrietta, AU - Zhang,Lei, AU - Chen,Marcus Y, AU - Bradshaw,Catriona S, AU - Bellhouse,Clare, AU - Fairley,Christopher K, AU - Chow,Eric P F, Y1 - 2017/01/05/ PY - 2016/09/20/received PY - 2016/12/20/accepted PY - 2017/1/7/entrez PY - 2017/1/7/pubmed PY - 2017/9/5/medline KW - Chlamydia KW - Chlamydia trachomatis [B03.440.190.190.190.750] KW - Couple KW - Disease Transmission KW - Dyad KW - Homosexuality [F01.145.802.975.500] KW - Infectious [N06.850.310] KW - Men who have sex with men KW - Partnership KW - Sexual Partners [M01.778] KW - Transmission SP - 22 EP - 22 JF - BMC infectious diseases JO - BMC Infect Dis VL - 17 IS - 1 N2 - BACKGROUND: Our study aimed to describe the concordance of chlamydia infections of the rectum and urethra in men who have sex with men (MSM) and their male partners. METHODS: This was a cross-sectional study of chlamydia in MSM and their male sexual partners both attending Melbourne Sexual Health Centre (MSHC), Australia, between February 2011 and March 2015. We excluded partnerships where testing for chlamydia at both the rectum and urethra were not undertaken. RESULTS: Our study included 473 partnerships (946 men). 30 men had urethral chlamydia, of whom 14 (47%, 95% CI 28 to 66) had a partner with rectal chlamydia. 46 men had rectal chlamydia, of whom 14 (30%, 95% CI 18 to 46) had a partner with urethral chlamydia. The proportion of men with rectal chlamydia when their partner had urethral chlamydia was significantly higher than the proportion of men with urethral chlamydia when their partner had rectal chlamydia (McNemar's p = 0.02). CONCLUSIONS: This is the first study of chlamydia concordance in male sexual partnerships and suggests that transmission of chlamydia between the urethra and rectum may be less efficient than has been reported for transmission between the urethra and cervix in heterosexual couples. It also suggests that transmission from the urethra to the rectum may be more efficient than in the opposite direction. SN - 1471-2334 UR - https://www.unboundmedicine.com/medline/citation/28056825/Concordance_of_chlamydia_infections_of_the_rectum_and_urethra_in_same_sex_male_partnerships:_a_cross_sectional_analysis_ L2 - https://bmcinfectdis.biomedcentral.com/articles/10.1186/s12879-016-2141-7 DB - PRIME DP - Unbound Medicine ER -