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Meningitis in a Chinese adult patient caused by Mycoplasma hominis: a rare infection and literature review.

ABSTRACT: Mycoplasma hominis, a well known cause of neonatal infection, has been reported as a pathogen in urogenital infections in adults; however, central nervous system (CNS) infections are rare. We report here the first case of M. hominis meningitis in China, post neurosurgical treatment for an intracerebral haemorrhage in a 71-year-old male.We describe a 71-year-old man who developed M. hominis meningitis after neurosurgical treatment and was successfully treated with combined azithromycin and minocycline therapy of 2 weeks duration, despite delayed treatment because the Gram stain of cerebrospinal fluid (CSF) yielded no visible organisms. The diagnosis required 16S rDNA sequencing analysis of the cultured isolate from CSF. Literature review of M. hominis CNS infections yielded 19 cases (13 instances of brain abscess, 3 of meningitis, 1 spinal cord abscess and 1 subdural empyema each). Delay in diagnosis and initial treatment failure was evident in all cases. With appropriate microbiological testing, antibiotic therapy (ranging from 5 days to 12 weeks) and often, multiple surgical interventions, almost all the patients improved immediately.Both our patient findings and the literature review, highlighted the pathogenic potential of M. hominis together with the challenges prompted by rare infectious diseases in particular for developing countries laboratories with limited diagnostic resources.

SUBMITTER: Zhou M

PROVIDER: S-EPMC5059901 | biostudies-literature | 2016 Oct

REPOSITORIES: biostudies-literature

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Meningitis in a Chinese adult patient caused by Mycoplasma hominis: a rare infection and literature review.

Zhou Menglan M Wang Peng P Chen Sharon S Du Bin B Du Jinlong J Wang Fengdan F Xiao Meng M Kong Fanrong F Xu Yingchun Y

BMC infectious diseases 20161012 1

<h4>Background</h4>Mycoplasma hominis, a well known cause of neonatal infection, has been reported as a pathogen in urogenital infections in adults; however, central nervous system (CNS) infections are rare. We report here the first case of M. hominis meningitis in China, post neurosurgical treatment for an intracerebral haemorrhage in a 71-year-old male.<h4>Case presentation</h4>We describe a 71-year-old man who developed M. hominis meningitis after neurosurgical treatment and was successfully ...[more]

PMID: 27729031

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Project description:Recent studies have suggested that the vaginal microenvironment plays a role in persistence of high-risk human papillomavirus (hrHPV) infection and thus cervical carcinogenesis. Furthermore, it has been shown that some mycoplasmas are efficient methylators and may facilitate carcinogenesis through methylation of hrHPV and cervical somatic cells. We examined associations between prevalence and persistence of Mycoplasma spp. in the vaginal microbiota, and prevalent as well as persistent hrHPV infections.We examined 194 Nigerian women who were tested for hrHPV infection using SPF25/LiPA10 and we identified Mycoplasma genitalium and Mycoplasma hominis in their vaginal microbiota established by sequencing the V3-V4 hypervariable regions of the 16S rRNA gene. We defined the prevalence of M. genitalium, M. hominis, and hrHPV based on positive result of baseline tests, while persistence was defined as positive results from two consecutive tests. We used exact logistic regression models to estimate associations between Mycoplasma spp. and hrHPV infections.The mean (SD) age of the study participants was 38 (8) years, 71% were HIV positive, 30% M. genitalium positive, 45% M. hominis positive, and 40% hrHPV positive at baseline. At follow-up, 16% of the women remained positive for M. genitalium, 30% for M. hominis, and 31% for hrHPV. There was a significant association between persistent M. hominis and persistent hrHPV (OR 8.78, 95% CI 1.49-51.6, p 0.01). Women who were positive for HIV and had persistent M. hominis had threefold increase in the odds of having persistent hrHPV infection (OR 3.28, 95% CI 1.31-8.74, p 0.008), compared to women who were negative for both.We found significant association between persistent M. hominis in the vaginal microbiota and persistent hrHPV in this study, but we could not rule out reverse causation. Our findings need to be replicated in larger, longitudinal studies and if confirmed, could have important diagnostic and therapeutic implications.

Dataset Information

Meningitis in a Chinese adult patient caused by Mycoplasma hominis: a rare infection and literature review.

Publications

Meningitis in a Chinese adult patient caused by Mycoplasma hominis: a rare infection and literature review.

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