Control of sexually transmitted infections.
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Biomedical subjects
Publications and source records attributed to David Mabey.
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OBJECTIVES: 1. To determine the aetiologies of genital ulcers in China. 2. To evaluate a modified WHO syndromic management algorithm for genital ulcer disease (GUD). METHODS: Patients with genital ulcers were enrolled at their first visit to STD clinics in the cities of Shanghai and Chengdu. They were managed according to a modified WHO algorithm for GUD, in which no treatment was given for chancroid. A multiplex polymerase chain reaction was used to detect Treponema pallidum, Herpes simplex and Haemophilus ducreyi. Dark field examination and serology (rapid plasma reagin and Treponema pallidum particle agglutination assay (TPPA) were also used to diagnose syphilis. RESULTS: A total of 227 male and female patients were enrolled. Syphilis alone was diagnosed in 78 (35%), genital herpes alone in 43 (19%), and both infections were present in 28 (12%). No diagnosis was made in 76 (34%). No case of chancroid was identified. The sensitivity of the algorithm for syphilis and herpes was 88.7% and 69.0% respectively, the specificity 95.0% and 50.0%. 12/106 cases of syphilis were incorrectly classified as herpes (11%), and did not receive treatment. More than 97% of patients followed up responded clinically to treatment. CONCLUSION: Further validation and revision of the WHO flowchart for GUD are needed.
OBJECTIVES: To study the causes of pelvic inflammatory disease (PID) in Shenyang, Northeastern China, and to assess the efficacy of the syndromic management flowchart for PID recommended by World Health Organization (WHO). METHODS: 200 outpatients with PID attending Gynaecologic Clinic of No. 1 and No. 2 hospital of China Medical University in Shenyang, and 155 control women without symptoms underwent pelvic examination, and were tested for Chlamydia trachomatis (CT), Neisseria gonorrhoeae (NG), Mycoplasma hominis (MH), bacterial vaginosis (BV), Candida albicans (CA) and Trichomonas vaginalis (TV). RESULTS: In PID patients, the prevalence of MH was 26%, of BV 26%, of CT 16%, of CA 11%, of TV 4% and of NG 2.5%. In the control population, prevalences were 5.2%, 8.4%, 0%, 5.2%, 0.7%, 0% respectively. MH, BV and CT were significantly more common in PID patients than in controls (P<0.01). One hundred and thirty-seven of the 200 patients with PID (68.5%) returned for follow-up. Symptoms had resolved completely in 64 (47%), and had improved in 68 (50%). There was no improvement in five (4%). CONCLUSIONS: The management protocol for female lower abdominal pain recommended by WHO is effective in this setting.
OBJECTIVE: To determine the prevalence of and risk factors for reproductive tract infections among men and women in a rural community in Bangladesh. METHODS: In the Matlab area a systematic sample of married non-pregnant women aged 15-50 years was drawn from a comprehensive household registration system for married women. A systematic sample of married and unmarried men in the same age group was drawn from a census-derived demographic surveillance list. Private interviews were conducted with 804 women in a clinic, and cervical, vaginal, urinary and serological samples were collected. Urine and blood specimens were obtained from 969 men who were interviewed at home. FINDINGS: The prevalence of bacterial and viral reproductive tract infections was low to moderate. For example, fewer than 1% of the women had a cervical infection. No cases of human immunodeficiency virus (HIV) infection were found. However, among men there was a high level of reported risk behaviour and a low level of protection against infection. CONCLUSION: A low prevalence of reproductive tract infections, coupled with a high level of reported risk behaviour, indicated a need for primary programmes that would prevent an increase in the incidence of reproductive tract infections, sexually transmitted infections and HIV infection.
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