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At least 649 records · Page 36Linked to original sources
PubMed1995

Impact of improved treatment of sexually transmitted diseases on HIV infection in rural Tanzania: randomised controlled trial.

A randomised trial was done to evaluate the impact of improved sexually transmitted disease (STD) case management at primary health care level on the incidence of HIV infection in the rural Mwanza region of Tanzania. HIV incidence was compared in six intervention communities and six pair-matched comparison communities. A random cohort of about 1000 adults aged 15-54 years from each community was surveyed at baseline and at follow-up 2 years later. Intervention consisted of establishment of an STD reference clinic, staff training, regular supply of drugs, regular supervisory visits to health facilities, and health education about STDs. 12,537 individuals were recruited. Baseline HIV prevalences were 3.8% and 4.4% in the intervention and comparison communities, respectively. At follow-up, 8845 (71%) of the cohort were seen. Of those initially seronegative, the proportions seroconverting over 2 years were 48 of 4149 (1.2%) in the intervention communities and 82 of 4400 (1.9%) in the comparison communities. HIV incidence was consistently lower in the intervention communities in all six matched pairs. Allowing for the community-randomised design and the effects of confounding factors, the estimated risk ratio was 0.58 (95% CI 0.42-0.79, p = 0.007). No change in reported sexual behaviour was observed in either group. We conclude that improved STD treatment reduced HIV incidence by about 40% in this rural population. This is the first randomised trial to demonstrate an impact of a preventive intervention on HIV incidence in a general population.

Adolescent↗
PubMed1998

Population-based study of fertility in women with HIV-1 infection in Uganda.

BACKGROUND: To assess the effects of HIV-1 and other sexually transmitted infections on pregnancy, we undertook cross-sectional and prospective studies of a rural population in Rakai district, Uganda. METHODS: 4813 sexually active women aged 15-49 years were surveyed to find out the prevalence of pregnancy by interview and selective urinary human chorionic gonadotropin tests. The incidence of recognised conception and frequency of pregnancy loss were assessed by follow-up. Samples were taken to test for HIV-1 infection, syphilis, and other sexually transmitted diseases. FINDINGS: At time of survey 757 (21.4%) of 3544 women without HIV-1 infection or syphilis were pregnant, compared with 46 (14.6%) of 316 HIV-1-negative women with active syphilis, 117 (14.2%) of 823 HIV-1-positive women with no concurrent syphilis, and 11 (8.5%) of 130 women with both syphilis and HIV-1 infection. The multivariate adjusted odds ratio of pregnancy in HIV-1-infected women was 0.45 (95% CI 0.35-0.57); the odds of pregnancy were low both in HIV-1-infected women without symptoms (0.49 [0.39-0.62]) and in women with symptoms of HIV-1-associated disease (0.23 [0.11-0.48]). In women with concurrent HIV-1 infection and syphilis the odds ratio was 0.28 (0.14-0.55). The incidence rate of recognised pregnancy during the prospective follow-up study was lower in HIV-1-positive than in HIV-1-negative women (23.5 vs 30.1 per 100 woman-years; adjusted risk ratio 0.73 [0.57-0.93]). Rates of pregnancy loss were higher among HIV-1-infected than uninfected women (18.5 vs 12.2%; odds ratio 1.50 [1.01-2.27]). The prevalence of HIV-1 infection was significantly lower in pregnant than in non-pregnant women (13.9 vs 21.3%). INTERPRETATION: Pregnancy prevalence is greatly reduced in HIV-1-infected women, owing to lower rates of conception and increased rates of pregnancy loss. HIV-1 surveillance confined to pregnant women underestimates the magnitude of the HIV-1 epidemic in the general population.

Adolescent↗
PubMed1985

Primary tubal infertility in relation to the use of an intrauterine device.

Women who use an intrauterine device (IUD) are at increased risk of acute pelvic inflammatory disease, but the relation of the IUD to subsequent infertility is not established. We interviewed 159 nulligravid women with tubal infertility to determine their prior use of an IUD. Their responses were compared with those of a matched group who conceived their first child at the time the infertile women started trying to become pregnant. The risk of primary tubal infertility in women who had ever used an IUD was 2.6 times that in women who had never used one (95 per cent confidence interval, 1.3 to 5.2). The observed difference between cases and controls was not uniform for different types of IUD. The relative risk associated with use of a Dalkon Shield was 6.8 (1.8 to 25.2), and that associated with use of either a Lippes Loop or Saf-T Coil IUD was 3.2 (0.9 to 12.0). The smallest elevation in risk was found among users of copper-containing IUDs (relative risk, 1.9 [0.9 to 4.0] for all women who had ever used a copper-containing IUD). The relative risk for women who used only a copper-containing IUD was 1.3 (0.6 to 3.0). We conclude that use of the Dalkon Shield (and possibly of plastic IUDs other than those that contain copper) can lead to infertility in nulligravid women.

Adult↗
PubMed1993

HIV infection among injecting drug users in north-east Malaysia, 1992.

Human immunodeficiency virus (HIV) has spread widely among injecting drug users (IDUs) in countries to the north and west of the 'Golden Triangle' region of South-East Asia; it is likely to have spread southwards to Malaysia as well. In order to assess HIV seroprevalence among IDUs in north-east Malaysia and describe risk factors for HIV infection in this population, we performed a cross-sectional seroepidemiological study among 210 IDUs recruited at the detoxification ward of the General Hospital in the capital city of the north-eastern Malaysian state, Kelantan. Subjects were sequential entrants to the detoxification ward, interviewed about HIV risk behaviour, and tested for antibody to HIV and to syphilis. Nearly a third (62/210, 30%) of these IDUs were HIV seropositive. Three-quarters (159/210) had travelled to Thailand in the preceding 5 years, of whom 32% (51/159) were HIV seropositive; this was associated with injecting in Thailand, but not with sexual contact there. Of those who had not left Malaysia in the preceding 5 years, 26% (11/43) were HIV seropositive, a rate not significantly different from those who had travelled. Travel within Malaysia was common (144/210, 69%) among IDUs interviewed, as was unsafe injecting and unsafe sexual behaviour (20% had shared injecting equipment and 21% had had unprotected intercourse) in other states. In every locale, rates of unsafe injecting behaviour were high (55% sharing in last month), even among those who knew they were HIV infected, and rates of condom usage were low (93% of 160 sexually active IDUs had never used a condom). Syphilis was not associated with HIV infection, but with contact with Thai prostitutes.(ABSTRACT TRUNCATED AT 250 WORDS)

Adolescent↗
PubMed1991

Determinants of genital human papillomavirus infection in young women.

Carcinoma of the cervix has several well-established epidemiologic risk factors, including multiple sexual partners and early age at first intercourse. Human papillomavirus (HPV) infection appears to have an etiologic role in the development of cervical neoplasia, but evidence linking HPV infection to known risk factors for cervical cancer has been inconsistent. The lack of expected correlations may be due to the inaccuracy of HPV assays previously used. A polymerase chain reaction DNA amplification method for the detection of HPV was used to investigate the determinants of genital HPV infection in a cross-sectional sample of 467 women attending a university health service. In contrast to studies using less accurate detection methods, the risk factors for HPV infection found here were consistent with those for cervical neoplasia. The risk of HPV infection was strongly and independently associated with increasing numbers of sexual partners in a lifetime, use of oral contraceptives, younger age, and black race. Age at first intercourse, smoking, and history of a prior sexually transmitted disease were correlated with, but not independently predictive of, HPV infection. These results demonstrate that the key risk factors for cervical carcinoma are strongly associated with genital HPV infection. This correlation suggests that HPV has an etiologic role in cervical neoplasia and reaffirms the sexual route of HPV transmission.

Adolescent↗
PubMed1996

Human immunodeficiency virus infection in Mexico City. Rectal bleeding and anal warts as risk factors among men reporting sex with men.

The objectives of this study were to evaluate the frequency and determinants of rectal bleeding and the association between rectal bleeding and risk of human immunodeficiency virus (HIV) infection among homosexual/ bisexual men in Mexico City. Men who requested anonymous HIV testing at a public clinic in Mexico City and who reported engaging in any homosexual behavior were eligible to participate in this study. Trained staff collected information on demographic factors, sexual behavior, psychological states, and HIV serostatus from all consenting, eligible clients. Logistic regression modeling was used to investigate the independent effect of risk factors among 2,758 men who were tested between June 1991 and December 1992. Bleeding during anal intercourse was a common occurrence: More than one third of the men in the study reported some bleeding, and 8% reported bleeding in half or more of their intercourse episodes. The prevalence of HIV infection among bleeders was 42% as compared with 28% in nonbleeders (p < 0.0001), and the adjusted odds ratio was 1.8 (95% confidence interval (CI) 1.1-2.8) for men who bled in more than half of their anal intercourse episodes relative to nonbleeders. There was a trend of increasing HIV seroprevalence with increasing frequency of rectal bleeding (p = 0.001). Nine percent of all HIV infections and 42% of infections among frequent bleeders were attributable to rectal bleeding. Men who reported both rectal bleeding and anal warts were 3.5 (95% CI 2.1-5.8) times more likely to be HIV-infected in multivariate analysis than men reporting neither rectal bleeding nor anal warts. Determinants of rectal bleeding included older age, more education, more receptive anal intercourse than insertive intercourse, receptive digital-anal contact, anal warts, and genital ulcers. Among men reporting sex with men in Mexico City, rectal bleeding is common. It is an independent risk factor for HIV infection, and warrants attention in acquired immunodeficiency syndrome prevention efforts. Rectal bleeding that results from rupture of anal warts may be an especially effective portal of HIV transmission.

Adult↗
PubMed1993

Non-ulcerative sexually transmitted diseases as risk factors for HIV-1 transmission in women: results from a cohort study.

OBJECTIVES: The heterosexual spread of HIV-1 is occurring at different rates in different parts of the world. The transmission probability of HIV-1 per sexual contact is low, but may be greatly enhanced by several cofactors. Sexually transmitted diseases (STD), especially genital ulcers, may be such factors. So far, epidemiological evidence that other STD facilitate HIV-1 transmission is weak. The objective of this study was to determine whether treatable STD enhanced sexual transmission of HIV-1 in a cohort of female prostitutes in Kinshasa, Zaire. METHODS: We conducted a nested case-control study of 431 initially HIV-1-negative women followed prospectively for a mean duration of 2 years (with monthly STD check-ups and 3-monthly HIV-1 serology). Cases (seroconverters, n = 68) were compared with controls (women who remained HIV-1-negative, n = 126) for incidence of STD and sexual exposure during the presumed period of HIV-1 acquisition. RESULTS: The annual incidence of HIV-1 in this cohort was 9.8%. Seroconverters were younger than HIV-1-negative women (mean age, 24.6 versus 26.8 years; P = 0.04). During the period of HIV-1 acquisition, cases had a much higher incidence of gonorrhoea, chlamydial infection and trichomoniasis, and engaged in unprotected sex with clients and partners more frequently than controls. After controlling for sexual exposure by multivariate analysis, adjusted odds ratios for seroconversion were 4.8 [95% confidence interval (CI), 2.4-9.8] for gonorrhoea, 3.6 (95% CI, 1.4-9.1) for chlamydial infection and 1.9 (95% CI, 0.9-4.1) for trichomoniasis. Genital ulcers were more frequent in cases than controls, but much less common than other STD. CONCLUSION: Non-ulcerative STD were risk factors for sexual transmission of HIV-1 in women, after controlling for sexual exposure. Because of their high prevalence in some populations, non-ulcerative STD may represent a considerable population-attributable risk in the transmission of HIV-1 worldwide. The identification of treatable STD as risk factors for HIV-1 transmission offers an important additional strategy for the prevention of HIV/AIDS.

Adolescent↗
PubMed1996

Reported condom use is not associated with incidence of sexually transmitted diseases in Malawi.

OBJECTIVES: To establish frequency of reported condom use and validate reliability of self-reporting among urban women in Malawi. DESIGN: Cross-sectional survey in antenatal women in 1989 and 1993. Prospective study in cohort first surveyed in 1989. METHODS: A total of 6561 women in 1989 and 2460 women in 1993 answered questions about condom use and sexual activity, had a physical examination and were screened for HIV. A subset of women from the 1989 screening were administered a questionnaire and tested for syphilis, Neisseria gonorrhoeae and Trichomonas vaginalis infections every 6 months. RESULTS: Although between the two cross-sectional studies intermittent condom use increased from 6 to 15% (P < 0.001) with no difference according to HIV infection, consistent use was reported by less than 1%. In the prospective study, women reported a higher condom use at any visit than either group assessed cross-sectionally. Consistent condom use peaked at 62% in the first 6 months, but declined to as low as 8% in the second year of follow-up. Condom use at each visit, either intermittent or consistent, was higher in HIV-seropositive than HIV-seronegative women. Overall, the incidence of gonorrhea, trichomoniasis and syphilis did not decline in women reporting consistent condom use. CONCLUSIONS: In prospectively followed women reports of consistent condom use was substantially higher than in cross-sectional surveys, but rapidly decreased over time, irrespective of HIV status. The presence of new sexually transmitted diseases suggests that this population of urban women overreports condom use or underreports sexual activity, or both. Intensive and sustained education is needed to achieve consistent condom use. Biologic markers of sexual activity are useful in interpreting reported condom use.

Adult↗
PubMed1997

Decreased incidence of sexually transmitted diseases among trucking company workers in Kenya: results of a behavioural risk-reduction programme.

OBJECTIVE: To establish a cohort of high-risk individuals suitable for HIV-prevention trials, and to measure changes in sexual behaviour and sexually transmitted disease (STD) incidence after a behavioural intervention. DESIGN: Prospective cohort study in trucking company depots in Mombasa, Kenya. PARTICIPANTS: A total of 556 male HIV-seronegative employees of trucking companies. INTERVENTIONS: HIV serological testing, individual counselling, condom promotion, STD diagnosis and management. MAIN OUTCOME MEASURES: Sexual risk behaviour and symptomatic STD incidence. RESULTS: Using time-trend modelling, significant declines in self-reported high-risk sexual behaviour were demonstrated during a 1-year follow-up. The percentage of men reporting any extramarital sex during the 3-month period prior to a follow-up visit decreased from 49% durig the first quarter of follow-up to 36% during the last quarter (P < 0.001). The decline in reported female sex worker contact was from 12% to 6% (P = 0.001). Approximately 30% of men reported consistent condom use during extramarital sex and this percentage remained unchanged during the study period. The incidence of STD declined from 34 per 100 person years (PY) during the first quarter to 10 per 100 PY during the last quarter (P = 0.001). Significant reductions in gonorrhoea (15 to five cases per 100 PY, P = 0.04), non-gonococcal urethritis (10 to two cases per 100 PY, P = 0.05), and genital ulcer disease (nine to two cases per 100 PY, P = 0.02) were observed. CONCLUSIONS: Among truck company workers who participated in a cohort study in Mombasa, Kenya, there was a significant decrease in sex with high-risk partners, but no change in condom use. The change in heterosexual risk behaviour was accompanied by a significant decrease in incidence of gonorrhoea, non-gonococcal urethritis, and genital ulcer disease.

Adolescent↗
PubMed1983

Herpesvirus.

Explore the source record for details and available documents.

Adolescent↗
PubMedDate not supplied

Contraceptive practices of women attending the Sexually Transmitted Disease Clinic in Nashville, Tennessee.

The decision to be sexually active involves two health risks for women: unwanted pregnancy and sexually transmitted diseases. Use of contraception affects both these risks. Data from the Metropolitan Health Department in Nashville, Tennessee, were examined to determine the effects of particular contraceptive methods on gonococcal infection in women. The results suggest that not only barrier methods but also other types of contraception were associated with protection against gonorrhea in females. The use of contraception was unusually high (87%) among the study population of 1,303 women. Five hundred eighteen (40%) of these clinic attendees were infected with Neisseria gonorrhoea. Infected women tended to be younger than those not infected and were significantly more likely to be black than white and somewhat more likely to be single. Contraceptors tended to be younger and were more likely to be black than were noncontraceptors.

Adult↗
PubMedDate not supplied

Antimicrobial susceptibility of Neisseria gonorrhoeae in Harare, Zimbabwe. Relationship to serogroup.

The authors investigated one hundred fifty-four isolates of Neisseria gonorrhoeae obtained from men, women, and infants in Harare, Zimbabwe, for in vitro susceptibility to various antibiotics and for reactivity with serogrouping antisera. The authors found sixty-four (42%) isolates to be WI serogroup and 90 (58%) to be WII/III. One hundred three isolates were penicillinase-producing N. gonorrhoeae (PPNG); although all of these showed resistance to penicillin, 14 isolates had an MIC to penicillin of less than 10 mg/L. All of these 14 isolates were WI serogroup. Twenty-seven of the 51 non-PPNG showed in vitro resistance to penicillin (MIC greater than 1.25 mg/L). All but one of these chromosomally resistant isolates were WII/III serogroup. With cefuroxime, tetracycline, and erythromycin, 10-15% of isolates had MICs greater than accepted breakpoints. Most isolates were susceptible to thiamphenicol, and all were susceptible to ciprofloxacin, kanamycin, and spectinomycin. The authors noted that WI isolates, whether PPNG or not, were consistently more susceptible to antibiotics than WII/III isolates. Only with kanamycin and spectinomycin were the MICs of the two serogroups similar.

Anti-Bacterial Agents↗
PubMedDate not supplied

Isolation of herpes simplex virus from sexually transmitted disease patients in Ibadan, Nigeria.

BACKGROUND AND OBJECTIVES: Despite the public health importance of herpes simplex virus infection in Nigeria, attempts have not been made to isolate and identify the virus. GOAL OF THE STUDY: To isolate, identify, and type the virus from patients attending a sexually transmitted disease (STD) clinic in Ibadan, Nigeria. STUDY DESIGN: One hundred fifty-three clinical samples from 116 patients were taken and inoculated into tissue culture for virus isolation. The isolates were identified and typed using chloroform sensitivity test, histocytological study, Complement Fixation Test (CFT), and indirect immunofluorescent antibody technique (IFAT). RESULT: Virus was isolated from seven of the 153 samples. Two of the seven were HSV-1, and five were HSV-2. CONCLUSION: This is the first documented isolation of the herpes simplex virus in Nigeria. The study has provided baseline data for future studies on genital herpes in Nigeria. These results may have interesting implications with respect of HIV transmission and other related sexually transmitted diseases in Nigeria.

Female↗
PubMedDate not supplied

Condom use by Norplant users at risk for sexually transmitted diseases.

BACKGROUND: Norplant is highly effective for long-term pregnancy prevention. Norplant users might not use condoms, and they may acquire human immunodeficiency virus (HIV) and other sexually transmitted diseases as a consequence. GOAL OF THIS STUDY: The goal of this study was to assess condom use among Norplant users at risk for sexually transmitted diseases. STUDY DESIGN: Telephone interviews were conducted with 177 sexually active Norplant users to measure risk for sexually transmitted disease and condom use. RESULTS: According to the measures used in this study, 42% of the study subjects were at risk for sexually transmitted disease and 38% of those at highest risk did not use condoms. CONCLUSIONS: Intervention to protect Norplant users from sexually transmitted disease is indicated.

Adult↗