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Oral human Papillomavirus DNA detection in HIV-positive men: prevalence, predictors, and co-occurrence at anal site

Overview of attention for article published in BMC Infectious Diseases, January 2018
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Title
Oral human Papillomavirus DNA detection in HIV-positive men: prevalence, predictors, and co-occurrence at anal site
Published in
BMC Infectious Diseases, January 2018
DOI 10.1186/s12879-017-2937-0
Pubmed ID
Authors

Alessandra Vergori, Anna Rosa Garbuglia, Pierluca Piselli, Franca Del Nonno, Catia Sias, Federico Lupi, Daniele Lapa, Andrea Baiocchini, Claudia Cimaglia, Marco Gentile, Andrea Antinori, Maria Capobianchi, Adriana Ammassari

Abstract

HIV-positive patients carry an increased risk of HPV infection and associated cancers. Therefore, prevalence and patterns of HPV infection at different anatomical sites, as well as theoretical protection of nonavalent vaccine should be investigated. Aim was to describe prevalence and predictors of oral HPV detection in HIV-positive men, with attention to nonavalent vaccine-targeted HPV types. Further, co-occurrence of HPV DNA at oral cavity and at anal site was assessed. This cross-sectional, clinic-based study included 305 HIV-positive males (85.9% MSM; median age 44.7 years; IQR: 37.4-51.0), consecutively observed within an anal cancer screening program, after written informed consent. Indication for anal screening was given by the HIV physician during routine clinic visit. Paired oral rinse and anal samples were processed for the all HPV genotypes with QIASYMPHONY and a PCR with MY09/MY11 primers for the L1 region. At the oral cavity, HPV DNA was detected in 64 patients (20.9%), and in 28.1% of these cases multiple HPV infections were found. Prevalence of oral HPV was significantly lower than that observed at the anal site (p < 0.001), where HPV DNA was found in 199 cases (85.2%). Oral HPV tended to be more frequent in patients with detectable anal HPV than in those without (p = 0.08). Out of 265 HPV DNA-positive men regardless anatomic site, 59 cases (19.3%) had detectable HPV at both sites, and 51 of these showed completely different HPV types. At least one nonavalent vaccine-targeted HPV type was found in 17/64 (26.6%) of patients with oral and 199/260 (76.5%) with anal infection. At multivariable analysis, factors associated with positive oral HPV were: CD4 cells <200/μL (versus CD4 cells >200/μL, p = 0.005) and >5 sexual partners in the previous 12 months (versus 0-1 partner, p = 0.008). In this study on Italian HIV-positive men (predominantly MSM), oral HPV DNA was detected in approximately one fifth of tested subjects, but prevalence was significantly lower than that observed at anal site. Low CD4 cell count and increasing number of recent sexual partners significantly increased the odds of positive oral HPV. The absence of co-occurrence at the two anatomical sites may suggest different routes or timing of infection.

Twitter Demographics

The data shown below were collected from the profiles of 3 tweeters who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 79 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 79 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 12 15%
Student > Bachelor 12 15%
Student > Doctoral Student 8 10%
Researcher 7 9%
Student > Ph. D. Student 7 9%
Other 8 10%
Unknown 25 32%
Readers by discipline Count As %
Medicine and Dentistry 22 28%
Biochemistry, Genetics and Molecular Biology 7 9%
Immunology and Microbiology 4 5%
Psychology 4 5%
Social Sciences 4 5%
Other 11 14%
Unknown 27 34%

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 04 February 2018.
All research outputs
#8,307,556
of 13,785,324 outputs
Outputs from BMC Infectious Diseases
#2,568
of 5,140 outputs
Outputs of similar age
#186,235
of 353,156 outputs
Outputs of similar age from BMC Infectious Diseases
#1
of 1 outputs
Altmetric has tracked 13,785,324 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 5,140 research outputs from this source. They receive a mean Attention Score of 4.8. This one is in the 45th percentile – i.e., 45% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 353,156 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 1 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them