Dataset Information

Syphilis Notifications and the Triggering Processes for Vertical Transmission: A Cross-Sectional Study.

ABSTRACT: Syphilis is a disease that is found all over the world that causes damaging effects to the fetus through vertical transmission. This study aimed to analyze the processes that trigger the vertical transmission of syphilis through gestational and congenital syphilis notifications. It is a cross-sectional study. The sample totaled 129 notifications of syphilis in pregnant women and 132 notifications of congenital syphilis in the city of Natal, from 2011 to 2015. Data were obtained from the Information System for Disease Notification. The Chi-square, Student's and Fisher's tests were used to verify associations of interest. Diagnosis of maternal syphilis was predominant in the third trimester of pregnancy. Only 1.6% of the pregnant women were registered with an adequate treatment regimen, of these 16.3% had the concomitant treatment with their partners. Of the affected children, 78.8% were registered as asymptomatic. The factors that trigger vertical transmission are related to the late diagnosis of the pregnant woman and sexual partner(s) and the deficiencies in clinical/therapeutic management in relation to the phase of the disease. Strategies of professional training should be adopted to notify and expand the provision of information for epidemiological surveillance, aiming to strengthen care, reduce vertical transmission and enable the continuous analysis of this problem.

SUBMITTER: de Oliveira SIM

PROVIDER: S-EPMC7037822 | biostudies-literature | 2020 Feb

REPOSITORIES: biostudies-literature

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Syphilis Notifications and the Triggering Processes for Vertical Transmission: A Cross-Sectional Study.

de Oliveira Samara Isabela Maia SIM de Oliveira Saraiva Cecília Olívia Paraguai COP de França Débora Feitosa DF Ferreira Júnior Marcos Antônio MA de Melo Lima Libna Helen LH de Souza Nilba Lima NL

International journal of environmental research and public health 20200205 3

Syphilis is a disease that is found all over the world that causes damaging effects to the fetus through vertical transmission. This study aimed to analyze the processes that trigger the vertical transmission of syphilis through gestational and congenital syphilis notifications. It is a cross-sectional study. The sample totaled 129 notifications of syphilis in pregnant women and 132 notifications of congenital syphilis in the city of Natal, from 2011 to 2015. Data were obtained from the Informat ...[more]

PMID: 32033272

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Project description:BACKGROUND:In Uruguay it is mandatory to review all cases of positive HIV or reactive syphilis tests in pregnancy and peripartum. We compared the rates of mother-to-child transmission of syphilis and HIV detected by case reviews to those obtained from the usual surveillance system and described the characteristic of vertical transmission cases. METHODS:This is a cross-sectional study performed with secondary data obtained from official government sources, for all the country cases of maternal to child transmission of HIV and syphilis from 2012 to 2017, with descriptive analyses. For congenital syphilis analyses, the following pregnancy characteristics were investigated: number of antenatal checks, gestational age at pregnancy diagnosis, gestational age at syphilis test and diagnosis, adequate treatment, and treatment of partners. Sociodemographic characteristics included type of health care (public/private), maternal age, distribution of ethnic minorities, maximum educational attainment, presence of partner, planned pregnancy, drug and alcohol use, domestic violence, previous maternal diagnosis of syphilis, and previous children with congenital syphilis. RESULTS:Coverage of syphilis case reviews increased from 82% in 2014 to 97.4% in 2017. For HIV, this coverage reached 100% in 2017 and elimination of mother to child transmission was achieved. A marked decline in congenital syphilis was noted in the public health care sector, especially in the capital Montevideo, whereas the private sector has remained below the elimination target. Variables related with congenital syphilis in exposed children were late pregnancy diagnosis, <?5 antenatal checks, delayed diagnosis of gestational syphilis, lower rate of correct treatment for gestational syphilis, untreated partner, low maternal schooling, unplanned pregnancy, history of syphilis, and having other children with syphilis. CONCLUSION:The use of case reviews provided knowledge regarding the accurate number of mother-to-child transmission cases and the evolution of elimination of mother to child transmission in the country. The results suggest that rates must be adjusted, providing an opportunity to improve the reliability of surveillance data, and point the need to address specific gaps in order to improve the quality of care during pregnancy, delivery, and the neonatal period.

Project description:ObjectivesSyphilis morbidity is high among pregnant women in lower income countries with limited laboratory capacity. We evaluated a long-standing global Syphilis Serology Proficiency Programme (SSPP) that supports testing quality in national reference laboratories to determine if participation affects congenital syphilis elimination strategies.DesignIn this observational cross-sectional study, we calculated coverage on type, frequency and quality of syphilis testing reported by laboratories enrolled in the SSPP from 2008 to 2015. We used country-reported data to WHO on four congenital syphilis (CS) indicators and World Bank country economic data to compare coverage and completeness of reporting of indicators in lower income countries with and without an SSPP-enrolled laboratory.ParticipantsFrom 2008-2015, 78 laboratories from 51 countries participated in >1 SSPP evaluation; 56% were national reference laboratories, of which most (93%) participated for >3 years and 11 (22%) in all 24 cycles.ResultsMedian proficiency performance score was >95% regardless of test conducted. Of the 51 countries with an SSPP-enrolled laboratory, 22 (43%) were lower-income countries, of which 21 reported CS data during 2008-2015. Comparing CS data from 87 (90% of total) lower income countries with and without an SSPP-enrolled laboratory, countries with an SSPP-laboratory had stronger reporting on antenatal syphilis testing (p=0.04). For 2015, an estimated 74% of prenatal syphilis tests and 63% of positive tests reported to WHO from countries with an SSPP-enrolled laboratory.ConclusionThe SSPP has focused well on national reference laboratories, but has been only partially successful in recruiting laboratories from lower income countries. The finding that over half of syphilis infections in pregnant women living in countries with SSPP-enrolled laboratories suggests wide reach of the current quality assurance programme. However, reach could expand with focussed recruitment of laboratories from lower income countries.

Dataset Information

Syphilis Notifications and the Triggering Processes for Vertical Transmission: A Cross-Sectional Study.

Publications

Syphilis Notifications and the Triggering Processes for Vertical Transmission: A Cross-Sectional Study.

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