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Optimized PCR-based Detection of Mycoplasma
Published on: June 20, 2011
Routine testing of Mycoplasma genitalium and Trichomonas vaginalis
Marieke L M Jenniskens1, Jan H W Veerbeek1, Koen L Deurloo1
1a Department of Obstetrics and Gynaecology , Diakonessenhuis , Utrecht , the Netherlands.
Background:
Mycoplasma genitalium (MG) and Trichomonas vaginalis (TV) are common sexual transmitted infections (STI). However, most STI screening programmes do not include routinely detection of these pathogens. Consequently, epidemiological data about MG and TV in the general population is lacking. The current study aims to give insight into the prevalence of both infections, thereby guiding decisions whether testing for these pathogens should be included routinely.
Methods:
Between February 2013 and August 2015, all samples sent to the laboratory of Diakonessenhuis Utrecht for STI testing (i.e. testing for Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG)) were additionally examined for the presence of MG and TV by means of a laboratory-developed RT-PCR. Samples were collected by our hospital or by regional general practitioners.
Results:
A total of 5628 PCR's were evaluated. In 7.5%, one or more STI were detected. CT was found in 5% and MG was positive in 1.9%. NG was detected in 0.5% and TV was detected in 0.6% of the samples. CT was found more often in primary care than in hospital setting (9.7% vs. 3.0%, p < .05). The same was shown for NG (1.1% vs. 0.2%, p < .05). More men than women were positive for CT (11.2% vs. 3.8%, p < .05) and NG (1.4% vs. 0.3%, p < .05).
Conclusion:
MG is more prevalent than NG and TV in a regional Dutch population. Furthermore, TV is equally common as NG. Based on our prevalence data, including MG and TV in STI testing protocols should be considered in the future.
Insights
Mycoplasma genitalium (MG) is more common than Neisseria gonorrhoeae (NG) and Trichomonas vaginalis (TV) in the Netherlands. These findings suggest that MG and TV should be considered for routine STI screening.
Area of Science:
- Infectious Diseases
- Microbiology
- Public Health
Background:
- Mycoplasma genitalium (MG) and Trichomonas vaginalis (TV) are common sexually transmitted infections (STIs).
- Routine STI screening programs often exclude MG and TV, leading to a lack of epidemiological data.
- This study addresses the knowledge gap regarding MG and TV prevalence in the general population.
Purpose of the Study:
- To determine the prevalence of Mycoplasma genitalium (MG) and Trichomonas vaginalis (TV) in a regional Dutch population.
- To provide data to inform decisions on including MG and TV in routine STI testing protocols.
- To compare the prevalence of MG and TV with established STIs like Chlamydia trachomatis (CT) and Neisseria gonorrhoeae (NG).
Main Methods:
- A laboratory-developed RT-PCR assay was used for additional detection of MG and TV.
- Samples submitted for routine STI testing (CT and NG) between February 2013 and August 2015 were retrospectively analyzed.
- Samples were collected from both hospital and regional general practitioner settings.
Main Results:
- Out of 5628 samples, 7.5% tested positive for at least one STI.
- Mycoplasma genitalium (MG) was detected in 1.9% of samples, while Trichomonas vaginalis (TV) was found in 0.6%.
- Chlamydia trachomatis (CT) prevalence was 5%, and Neisseria gonorrhoeae (NG) was 0.5%. CT and NG were more frequent in primary care and in men.
Conclusions:
- Mycoplasma genitalium (MG) is more prevalent than Neisseria gonorrhoeae (NG) and Trichomonas vaginalis (TV) in the studied Dutch population.
- Trichomonas vaginalis (TV) showed a similar prevalence to Neisseria gonorrhoeae (NG).
- The study recommends considering the inclusion of MG and TV in routine STI screening protocols based on their prevalence.
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