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New approaches to syphilis control. Finding opportunities for syphilis treatment and congenital syphilis prevention in a women's correctional setting.

BACKGROUND: With prostitution and drugs the most common reasons for arrest among New York City (NYC) women, female arrestees are at high risk for acquiring syphilis and delivering congenitally infected babies. Despite routine syphilis screening of all NYC inmates, many are released before the need for treatment is recognized, and once released, few could be found for treatment. GOALS: To improve syphilis treatment rates among female correctional inmates in NYC. STUDY DESIGN: At a women's correctional health clinic, on-site, rapid, qualitative nontreponemal syphilis testing (STAT rapid plasma reagin [RPR]) and on-line access to the local syphilis case registry were introduced to supplement the usual admission medical evaluation. Treatment decisions made using the authors' jail protocol were compared with treatment criteria used in NYC's sexually transmitted disease (STD) clinics. Patients consisted of a consecutive sample of 685 remandees admitted one or more times during the day shift, March 24, 1993, to July 31, 1993, who had a full complement of mandatory admission medical tests. Using the study protocol, syphilis treatment decisions were made and needed treatment was furnished at the end of the admission medical evaluation. The main outcome measures were correct identification and treatment of syphilis in this population, compared with standard NYC Department of Health (DOH) STD clinic practice, as well as the effect of the jail protocol on pregnancy outcomes and need to treat offspring for congenital syphilis. RESULTS: Compared with NYC DOH STD clinic practice, the study protocol was 95% sensitive and 88% specific in arriving at appropriate treatment for syphilis. Treatment at the end of the admission medical evaluation increased syphilis treatment rates from 7% to 84% of women with indications for treatment and to 88% of pregnant women with indications for treatment. Prospective follow-up for birth outcomes revealed no spontaneous abortions and eight live births. Seven of the eight did not need congenital syphilis treatment because their mothers were adequately treated while incarcerated. CONCLUSIONS: Qualitative (or STAT) RPR testing and access to DOH syphilis case registry data provide prompt and accurate diagnostic information that can lead to an overall increase in the number of inmates appropriately treated (with a minimum amoung of overtreatment) in a women's correctional facility. This protocol may be applicable in other high-risk, transient populations.

Algorithms↗

[Benign late syphilis: 2 cases, gummatous syphilis and nodular syphilis].

Two mild syphilis cases are hereby described. Their clinical and morphological characteristics differ. The first case showed syphilitic gums on the right eyebrow rim and tuberous lesions, some of which ulcerated. They made up plaques like archs on limbs. The second case showed nodular lesions distribute on practically all the cutaneous tegument. The specific and non-specific syphilitic tests were positive. The CRL study on the cellular and serological aspects was normal. The histopathologic pieces were compatible with the clinical diagnosis. Lesions evolved to a quick disappearance with the penicillin G benzatine treatment established. Attention is drawn to the possibility of noticing new cases of mild syphilis due to the present high incidence of the sexually transmitted diseases.

Adult↗

Screening for syphilis in arrestees: usefulness for community-wide syphilis surveillance and control.

BACKGROUND: Syphilis screening of jail arrestees has been promoted as an effective method for both disease control and surveillance. GOALS: To evaluate the yield of the East Baton Rouge Parish Jail screening program in detecting previously undiagnosed syphilis, to evaluate the program as a means for monitoring community syphilis rates, and to characterize arrestees at greatest risk for syphilis infection. STUDY DESIGN: From July 1994 to December 1998, arrestees brought to the East Baton Rouge Parish Jail were screened for syphilis. Annual early syphilis prevalence in screened arrestees was calculated and compared with the annual period prevalence of early syphilis in the general population of East Baton Rouge Parish, as reported by laboratories and health providers. A case-control study of cases detected at the jail from 1995 to 1997 and contemporary controls was conducted. RESULTS: A total of 50,941 arrestees were booked into the East Baton Rouge Parish Jail, of whom 38,573 (76%) were screened for syphilis. Of the 38,573 arrestees screened, 494 (1.3%) were diagnosed with untreated syphilis. Of these, 299 (61%) were treated for syphilis before release. The estimated prevalence of early syphilis in arrestees decreased by 68% during the study period, from 0.79% in 1994 to 0.25% in 1998. During this time, the East Baton Rouge Parish community rates decreased by 79%, from 150 cases per 100,000 to 31 cases per 100,000. In female arrestees, a booking charge of prostitution was associated with syphilis (odds ratio [OR] 7.0; 95% CI, 1.5, 39.3). In male arrestees, a booking charge of felony theft was associated with syphilis (OR 4.8; 95% CI, 1.8, 13.8). However, only 15 (12%) of the early syphilis cases would have been detected if screening had been based on the booking charges found to be associated with syphilis in this study. CONCLUSIONS: Routine syphilis screening and treatment in jail settings is feasible and identifies many persons with syphilis. Monitoring of syphilis prevalence among arrestees is a useful method for monitoring community prevalence of syphilis. Analysis of booking charges may be useful for determining factors associated with syphilis infection, but not for developing screening criteria.

Adult↗

Clinical manifestations of early syphilis by HIV status and gender: results of the syphilis and HIV study.

BACKGROUND: Despite reports of unusual clinical presentations and therapeutic responses among HIV-infected patients with syphilis, syphilis has not been regarded as a serious opportunistic infection that predictably progresses among most HIV-coinfected patients. GOAL: To define and describe differences in the presentation and response to treatment of early syphilis among HIV-infected and HIV-uninfected patients, to describe any differences by gender, and to determine if clinical presentation of central nervous system involvement predicted serologic failure. DESIGN: A prospective, multicenter, randomized, controlled trial of enhanced versus standard therapy to compare the benefit of enhanced therapy, the clinical importance of central nervous system involvement, and the clinical manifestations of early syphilis infection among HIV-infected and HIV-uninfected patients. RESULTS: The median number of ulcers was significantly greater among HIV-infected and HIV-uninfected patients, as was the percent of HIV-infected patients with multiple ulcers. Among patients diagnosed with secondary syphilis, a higher percentage of HIV-infected patients presented with genital ulcers [13/53 (25%)] than did HIV-uninfected patients [27/200 (14%)]. No differences between HIV-infected and HIV-uninfected patients were detected for other secondary syphilis manifestations. Although women presented more frequently with secondary syphilis than did men, no other gender differences in clinical manifestations were noted. Neurologic complaints were reported most frequently among patients with secondary syphilis [103/248 patients (42%)] compared with patients with primary syphilis [32/136 (24%)] and early latent syphilis [48/ 142, (34%)] (P < 0.05), but no differences in neurologic complaints were apparent by HIV status or CSF abnormalities. No neurologic complaints were significantly associated with serologic treatment failures at 6 months. CONCLUSIONS: Overall, HIV infection had a small effect on the clinical manifestations of primary and secondary syphilis. Compared with HIV-uninfected patients, HIV-infected patients with primary syphilis tended to present more frequently with multiple ulcers, and HIV-infected patients with secondary syphilis presented with concomitant genitals ulcers more frequently.

Adult↗

High prevalence of syphilis detected through a jail screening program. A potential public health measure to address the syphilis epidemic.

BACKGROUND: In June 1990, a syphilis initiative was undertaken to help control New York's most extensive syphilis epidemic since the 1940s. METHODS: To evaluate the usefulness of syphilis screening in local jails, were reviewed demographic and syphilis screening data from a county jail in an area with a high prevalence of syphilis that has routinely tested incoming inmates. RESULTS: Of 12,685 inmates, 9797 (77%) were screened for syphilis, and 321 (3.3%) had a positive test result; 258 (80%) of the positive results were confirmed. Data were available for 244 of the inmates with a confirmed positive result: 162 (67%) had newly diagnosed syphilis (overall rate, 1.6%), 112 of whom had early syphilis; 50 (20%) had been previously treated for syphilis; and 32 (13%) were unavailable for follow-up. Of 162 inmates with newly diagnosed syphilis, 122 (75%) were treated in jail, and 40 were treated after their release from jail. The median time from screening to treatment was 17 days. The median jail stay was 45 days for inmates who were evaluated for treatment vs 5 days for those who were unavailable for follow-up. CONCLUSIONS: Screening inmates for syphilis was a productive public health measure, as inmates accounted for 20% of the county's syphilis morbidity. Given the high prevalence of syphilis among inmates and the inability to reach them for treatment after release, strategies are needed to rapidly screen and treat inmates before their release from jail.

Adult↗

Congenital syphilis after maternal treatment for syphilis during pregnancy.

OBJECTIVE: The purpose of this study was to characterize pregnancies that were complicated by maternal syphilis that had been treated before delivery in which the newborn infant was diagnosed with congenital syphilis. STUDY DESIGN: Prospective surveillance from January 1, 1982, to December 31, 1998, involved women who received antenatal treatment for syphilis. Infants who were born with congenital syphilis were identified by clinical or laboratory criteria. Antepartum factors such as gestational age, time to delivery and VDRL titers were then analyzed and compared with those of women who had been treated and who were delivered of an uninfected infant. The 1:1 match was based on the stage of syphilis and the gestational age at treatment. RESULTS: Forty-three women who received antepartum therapy for syphilis were delivered of an infant with congenital syphilis. Most of the women had been treated for early syphilis; the mean gestational age at treatment was 30.3 weeks. Thirty-five percent of the women were treated >30 days before delivery. Fifty-six percent of the infants were preterm. The 1:1 match revealed that treatment and delivery high VDRL titers, prematurity, and a short interval from treatment to delivery were significantly different in those infants who were diagnosed with congenital syphilis. CONCLUSION: High VDRL titers at treatment and delivery, earlier maternal stage of syphilis, the interval from treatment to delivery, and delivery of an infant at < or =36 weeks' gestation are associated with the delivery of a congenitally infected neonate after adequate treatment for maternal syphilis.

Adult↗

False-negative syphilis screening: the prozone phenomenon, nonimmune hydrops, and diagnosis of syphilis during pregnancy.

The prevalence of congenital syphilis is rapidly rising in several areas of the United States. Efforts to control the disease depend on the effectiveness of established screening strategies and treatment of infected pregnant women. False-negative test results hinder these efforts and leave the fetus at risk for acquiring congenital syphilis. Recently we encountered four cases of false-negative syphilis serologic results in women who gave birth to infants with congenital syphilis. The false-negative results were caused by the prozone phenomenon. The prozone phenomenon, seen during primary and secondary syphilis, occurs because a higher than optimal amount of antibody in the tested sera prevents the flocculation reaction typifying a positive result in reagin tests. Serum dilution is necessary to make the correct diagnosis. We recommend that for any pregnant woman with apparently negative syphilis serologic results in whom fetal compromise of unknown etiology exists, particularly nonimmune hydrops, nontreponemal testing should be repeated using serum dilutions to prevent a missed diagnosis of syphilis. We further recommend serum dilution as a routine procedure for all pregnant women in areas of high syphilis prevalence.

Adult↗

Syphilis in pregnancy in Tanzania. I. Impact of maternal syphilis on outcome of pregnancy.

To measure the impact of maternal syphilis on pregnancy outcome in the Mwanza Region of Tanzania, 380 previously unscreened pregnant women were recruited into a retrospective cohort at delivery and tested for syphilis. Stillbirth was observed in 18 (25%) of 73 women with high-titer active syphilis (i.e., women with a rapid plasma reagin titer > or = 1 :8 and a positive Treponema pallidum hemagglutination assay or indirect fluorescent treponemal antibody test result), compared with 3 (1%) of 233 uninfected women (risk ratio [RR], 18.1; P<.001). Women with high-titer active syphilis were also at the greatest risk of having low-birth-weight or preterm live births (RR, 3.0 and 6.1, respectively), compared with women with other serological stages of syphilis. Among unscreened women, 51% of stillbirths, 24% of preterm live births, and 17% of all adverse pregnancy outcomes were attributable to maternal syphilis. Syphilis continues to be a major cause of pregnancy loss and adverse pregnancy outcome among women who do not receive antenatal syphilis screening and treatment.

Adult↗

Performance of the rapid plasma reagin and the rapid syphilis screening tests in the diagnosis of syphilis in field conditions in rural Africa.

OBJECTIVES: To assess the rapid plasma reagin (RPR) test performance in the field and to evaluate a new rapid syphilis test (RST) as a primary screen for syphilis. METHODS: 1325 women of reproductive age from rural communities in the Gambia were tested for syphilis seropositivity using a RPR 18 mm circle card and a RST strip. Within 1 week a repeat RPR and a TPHA test were carried out using standard techniques in the laboratory. RESULTS: Comparing field tests to a diagnosis of "active" syphilis defined as laboratory RPR and TPHA positive, the RPR test was 77.5% sensitive and 94.1% specific; the RST was 75.0% sensitive and 95.2% specific. The RST was easier to use and interpret than the RPR test especially where field conditions were difficult. In this setting with a low prevalence of syphilis in the community (3%), the chance of someone with a positive test being confirmed as having serologically active syphilis was less than 50% for both tests. CONCLUSIONS: The appropriateness of syphilis screening using RPR testing in antenatal clinics and health centres should be questioned if there is a low prevalence in the population, conditions for testing are poor, and resources limited. There is still an urgent need for an appropriate rapid syphilis test for field use.

Adolescent↗

Markers of past syphilis in HIV infection comparing Captia Syphilis G anti-treponemal IgG enzyme immunoassay with other treponemal antigen tests.

The sensitivity of the Captia Syphilis G anti-treponemal IgG enzyme immunoassay (EIA-IgG) was compared with the Treponema pallidum haemagglutination assay (TPHA) and the Fluorescent Treponemal Antibody Absorbed (FTA-Abs) test as a marker for past syphilis in 28 HIV-infected and 31 HIV-negative patients with a past history of syphilis. The specificity of EIA-IgG was compared in 89 patients without a history of syphilis who were known to be HIV antibody positive with a control group of 89 patients who had tested HIV negative. In patients with a past history of syphilis each treponemal test (EIA-IgG, TPHA and FTA-Abs) gave a lower sensitivity (82%, 86%, 79%) in the HIV-positive group than in the HIV-negative group (97%) but the difference was significant only in the case of the FTA-Abs test (P < 0.05). In the HIV-positive patients 11% (3/28) were negative in all 3 treponemal tests while 25% (7/28) were negative in at least one treponemal test. In patients without a past history of syphilis the EIA-IgG antibody index in the HIV-positive group (0.436) was significantly higher than in the HIV-negative group (0.378): the specificity, however, was similar in the HIV-positive (100%) and HIV-negative group (99%). We conclude that the Captia Syphilis G anti-treponemal IgG enzyme immunoassay is of similar specificity in HIV-positive and HIV-negative patients and is of similar sensitivity to the TPHA and FTA-Abs as a marker of past syphilis in HIV-infected patients.(ABSTRACT TRUNCATED AT 250 WORDS)

Antibodies, Bacterial↗

[Syphilis meets AIDS. Syphilis seen in relation to the AIDS epidemic--a review].

The incidence of syphilis in Denmark has changed within the last ten years. From being a relatively common disease at the end of the 1970's and beginning of the 1980's, the incidence has fallen considerably. It is assumed that the change is connected with the emergence of AIDS and the resulting increase in information and attention to sexually transmitted diseases. In the USA, after a fall in the beginning of the 1980's, the incidence of syphilis has risen markedly, particularly among heterosexual coloured people in large cities. Recently, there have been some reports claiming atypical syphilis in patients with HIV-infection. To date there are no controlled investigations to corroborate this notion. Seronegative syphilis or delayed seropositivity has been reported in certain immunosuppressed AIDS patients. Otherwise the syphilis serology of HIV-infected patients does not seem to differ essentially from HIV-negative patients. All patients with HIV infection should be counselled about syphilis and offered a test for syphilis, just as patients with syphilis should be encouraged to be tested for HIV antibody after informed consent.

AIDS Serodiagnosis↗

Maternal syphilis in Michigan: the challenge to prevent congenital syphilis.

Syphilis has re-emerged as a significant public health problem for pregnant women and their babies in Michigan, US, and in many areas of the world. In the US over 50,000 cases of primary and secondary syphilis were reported to the Centers for Disease Control (CDC) in 1990. Due to the current epidemic of maternal syphilis in pregnancy in our city, we studied 253 cases of maternal syphilis over a one-year period. Our objective was to determine maternal risk factors during pregnancy predicting congenital infection. Women with high venereal disease research laboratory (VDRL) titres during pregnancy and unknown duration of disease had the highest incidence of delivering an infant with congenital syphilis. Even with treatment according to the current CDC guidelines there was a 27% incidence of congenital syphilis if disease duration was < 1 year and a 49% incidence of congenital syphilis for unknown duration of disease. Maternal syphilis during pregnancy was associated with significant neonatal morbidity and a preterm delivery incidence of 28%. The clinical evaluation, management, and current treatment guidelines are reviewed in this paper.

Female↗

Characteristics of persons with syphilis in areas of persisting syphilis in the United States: sustained transmission associated with concurrent partnerships.

BACKGROUND AND GOAL: In areas with persistent syphilis, to characterize persons at higher risk for transmitting syphilis. STUDY DESIGN: Cohort study. Structured interviews of persons with early syphilis from four research centers were linked to outcomes of partner tracing. RESULTS: Of 743 persons with syphilis, 229 (31%) reported two or more partners in the previous month, and 57 (8%) received money or drugs for sex in the previous three months. Persons with at least one partner at an earlier stage of syphilis than themselves were defined as transmitters; 63 (8.5%) of persons with early syphilis met this definition. Having concurrent partners (two or more in one week in the last month) was independently associated with being a transmitter. CONCLUSION: Sexual network/behavioral characteristics of syphilis patients and their partners, such as concurrency, can help identify persons at higher risk for transmitting syphilis who should receive emphasis in disease prevention activities.

Adult↗

A new recombinant antigen latex agglutination test (Syphilis Fast) for the rapid serological diagnosis of syphilis.

We report an assessment of Syphilis Fast, a new latex test that uses a pool of 3 recombinant Treponema pallidum antigens (TpN15, TpN17, and TpN47) for the serodiagnosis of syphilis. Specificity was evaluated by screening 1518 unselected blood specimens in parallel with Syphilis Fast, the Captia SelectSyph-G EIA and the Venereal Disease Research Laboratory (VDRL) cardiolipin antigen test while sensitivity was tested using a panel of 99 treponemal sera (treated and untreated) representing various stages of infection and 15 treponemal sera detected on screening. The specificity of Syphilis Fast on initial testing (99.8%) was significantly higher (P<0.02) than that of Captia SelectSyph-G (99.2%) and the VDRL (99.1%): the specificity of Syphilis Fast remained significantly higher (P<0.02) after repeat testing (respective values 99.9%, 99.5% and 99.4%). There was no difference in the sensitivity of Syphilis Fast and Captia SelectSyph-G on initial (93% vs 92.1%) or repeat (95.6% vs 94.7%) testing: both were significantly more sensitive (P<0.001) than the VDRL (46.5% on initial and 43.9% on repeat testing). The sensitivities of the Treponema pallidum haemagglutination test (TPHA) and FTA-abs were 98.2% and 95.6% respectively. Negative reactions in Syphilis Fast and SelectSyph-G were associated with treated infections and correlated with low TPHA titres (< or = 80). We conclude that Syphilis Fast is a highly specific, simple and fast screening test with a sensitivity comparable to native antigen treponemal tests and that it merits consideration as a front-line screening test.

Antibodies, Bacterial↗