Chlamydial Urethral Infection in Male Students in Chiang Mai: A Screening Test of Urine Deposits by Enzyme Immunoassay (EIA)
SUNGWAL RUGPAO, M.D., M.Sc.*,
PATRICK J ROWE, M.B., B.S., F.R.C.O.G.**,
MICHAEL E WARD, Ph.D.****,
SUPATRA PEERAKOME, M.Sc.*,
ORASRI TANTHAYAPHINANT, M.Sc.***,
YUPADEE YUTABOOTR, R.N.***
Affiliation : *Department of Obstetrics and Gynecology, Faculty of Medicine, Chiang Mai University,
**Task Force oflnfertility Prevention, Special Programme of Research, Development and Research Training in Human
Reproduction, WHO, Geneva, Switzerland.
***Research Institute for Health Science, Chiang Mai University, Chiang Mai 50200, Thailand.
****Department of Microbiology, Southampton University, UK.
AbstractAdolescent males are considered to be an important genital chlamydia! reservoir. However,
there has been little information on urethral chlamydia! infection in Thai adolescent males. Ahout
one fourth of males who are genital chlamydia! reservoirs are asymptomatic. An appropriate means
of defining the extent of chlamydia! infection in adolescent males would be a non-invasive screen-
ing survey, instead of the conventional method of a deep swab cell culture, which is painful. The
objectives of this study were to estimate the prevalence and to determine what factors should indi-
cate the use of a screening test for urethral chlamydia! infection in adolescent males residing in
Chiang Mai. Chlamydia! urethritis was detected by examining urine deposits for chlamydia! antigen
by enzyme immunoassay (EIA).
Keywords : Chlamydia! Urethritis, Male Student, Screening Test, Urine Deposit, EIA
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