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In practice
Aetiology of sexually transmitted infections and response to syndromic treatment in southwest Uganda
  1. J M Pickering1,3,
  2. J A G Whitworth1,2,
  3. P Hughes1,
  4. M Kasse1,
  5. D Morgan1,
  6. B Mayanja1,
  7. L Van der Paal1,
  8. P Mayaud2
  1. 1Medical Research Council Programme on AIDS, Uganda Virus Research Institute, PO Box 49, Entebbe, Uganda
  2. 2London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK
  3. 3Medical Research Council Clinical Trials Unit, 222 Euston Road, London NW1 2DA, UK
  1. Correspondence to:
 Julie Pickering
 Medical Research Council Clinical Trials Unit, 222 Euston Road, London NW1, UK; jmb{at}ctu.mrc.ac.uk

Abstract

Objective: To determine the aetiology of genital ulcers and discharges in rural south western Uganda and to assess response to syndromic treatment.

Method: A longitudinal, prospective study using laboratory testing and questionnaires to evaluate 561 adult men and women presenting with clinically verified genital ulcers, urethral, or vaginal discharge at a general outpatient clinic and two health centres between December 1999 and July 2001.

Results: One third of patients had genital ulcers and two thirds discharges. There was good response to treatment in 461/508 patients (90.7%). Herpes simplex virus type 2 was found in 95/217 (43.8%) genital ulcers. In 24.1% of ulcer cases there was also a genital discharge. HIV seropositivity was high in ulcer cases (63.2%), with significantly more HSV2 and secondary bacterial infection than in seronegative cases. Neisseria gonorrhoeae was found in 135/204 (66.2%) male genital discharges. Female genital discharges were mostly associated with bacterial vaginosis (36.1%), Trichomonas vaginalis (18.9%), and candidiasis (18.6%).

Conclusions: The aetiological pattern of STI syndromes reported will help inform revision of national STI guidelines. The importance of herpes simplex virus type 2, the variation in causes of genital ulcers according to HIV serostatus, the high frequency of multiple infections and secondary bacterial contamination of genital ulcers are notable. These results help explain the lack of effect of an STI intervention on HIV incidence in a recent trial in this area.

  • BV, bacterial vaginosis
  • CT, Chlamydia trachomatis
  • GU, genital ulcers
  • FGD, female genital discharge
  • GUD, genital ulcer disease
  • HD, Haemophilus ducreyi
  • HSV, herpes simplex virus
  • IQR, interquartile range
  • LCR, ligase chain reaction
  • MGD, male genital discharge
  • NG, Neisseria gonorrhoea
  • PCR, polymerase chain reaction
  • RPR, rapid plasma reagin
  • STI, sexually transmitted infections
  • TP, Treponema pallidum
  • TV, Trichomonas vaginalis
  • sexually transmitted infection
  • syndromic management
  • HIV
  • Uganda

https://doi.org/10.1136/sti.2004.013276

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    Footnotes

    • Competing interest statement: There are no competing interests related to the research conducted that led to this paper being written, or in the writing of the paper itself.