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1.
JMIR Form Res ; 6(10): e31136, 2022 Oct 25.
Article in English | MEDLINE | ID: mdl-36282557

ABSTRACT

BACKGROUND: Viral and bacterial sexually transmitted infections (STIs) are public health concerns worldwide, but surveillance systems are not comprehensive enough to design and monitor accurately STI control strategies in most countries. In 2016, 320 STI clinics (CeGIDDs in French) were implemented in France, primarily targeting most exposed populations, although access is free of charge for anybody. OBJECTIVE: This article describes the mandatory surveillance system (SurCeGIDD) based on CeGIDD's individual data aiming to better guide STI prevention. METHODS: A decree ensured the use of software to manage consultations in CeGIDDs and to transfer surveillance data. A web service was implemented to secure data transfer from CeGIDDs' software to a centralized database. CeGIDDs can also transfer data in CSV format via a secured data-sharing platform. Then, data are automatically checked before integration. Data on sociodemographic variables, sexual exposure, blood exposure, symptoms, STI tests, STI diagnoses, and sexual health services delivery were collected for the previous year (n-1). Preliminary and descriptive analyses of 2017-2018 data transmitted in 2018 and 2019, respectively, were performed using numbers and proportions for qualitative variables. RESULTS: In 2017, 54/320 (16.9%) CeGIDDs transmitted their data. In 2018, this number of participants increased to 143/320 (44.7%) CeGIDDs. The corresponding volume of records increased from 2414 in 2017 to 382,890 in 2018. In 2018, most attendances were hospital based (263,480/382,890, 68.81%). In 2018, attendees were mostly men 227,326/379,921 (59.84%), while 151,963/379,921 (40%) were women 632/379,921 (0.17%) transgenders. The median age was 27 years for men, 23 years for women, and 30 years for transgender. Half of the attendees (81,964/174,932, 46.85%) were heterosexual men, 69,016/174,932 (39.45%) heterosexual women, 20,764/174,932 (11.87%) men who have sex with men, and 3188/174,932 (1.82%) women who have sex with women. A majority of them were born in France (227,698/286,289, 79.53%) and unemployed 115,913/211,707 (54.75%). The positivity rates were 0.37% for 205,348 HIV serologies, 1.31% for 131,551 hepatitis B virus serologies, 7.16% for 161,241 Chlamydia trachomatis PCR, 2.83% for 146,649 gonorrhea PCR, 1.04% for the syphilis combination of treponema and nontreponema serologies, and 5.96% for 13,313 Mycoplasma genitalium PCR. CONCLUSIONS: Despite challenges, the effectiveness of the SurCeGIDD surveillance based on routine patients' records was demonstrated. The wide range of information, including socioeconomic determinants, might help to better guide and evaluate the prevention policies and services delivery. However, the growing volumes of information will require adapted tools and algorithms for the data management and analyses.

2.
Environ Int ; 119: 89-99, 2018 10.
Article in English | MEDLINE | ID: mdl-29944988

ABSTRACT

Pyrethroids are insecticides which are widely used for agricultural and domestic purposes. The general population can be exposed to them. Given the suspected effects of pesticides on the development of the foetus, exposure to pyrethroids during pregnancy is a major public health concern. The objective of this paper is to describe the urinary levels of the following five pyrethroid metabolites and their associated determinants among pregnant French women in 2011 enrolled in the Elfe cohort (n = 1077): a) 3-phenoxy benzoic (3-PBA), b) 4­fluoro­3­phenoxy benzoic acid (4-F-3-PBA), c) Cis­3­(2,2dibromovinyl)­2,2­dimethyl cyclopropane-carboxylic acid (Cis-DBCA); d) Cis­3­(2,2dichlorovinyl)­2,2­dimethyl cyclopropane-carboxylic acid (Cis-DCCA) and e) Trans-3­(2,2dichlorovinyl)­2,2­dimethyl cyclopropane-carboxylic acid (Trans-DCCA). The distribution levels were estimated for each pyrethroid metabolite. Multivariable analyses helped determine the predictors of these levels. All metabolites except 4-F-3-PBA were detected in all the urine samples. The mean urinary concentration of the sum of the metabolites (3-PBA, Cis-DBCA, Cis-DCCA, Trans-DCCA) was 1.18 µg/L, with the highest concentrations observed for 3-PBA. A comparison of these levels with other studies showed that pregnant French women tend to be more exposed to pyrethroids than their American counterparts, less exposed than Chinese and Caribbean mothers, and have similar exposure to Japanese mothers. In our study, urinary levels of pyrethroid metabolites were positively related to smoking during pregnancy, consuming fish and alcohol, domestic pesticide use and living in the vicinity of crops during pregnancy. These findings highlight the importance of non-dietary pathways when evaluating exposure to pyrethroids.


Subject(s)
Maternal Exposure , Pesticides/urine , Pyrethrins/urine , Benzoates/urine , Cohort Studies , Female , France , Humans , Pregnancy
3.
Int J Hyg Environ Health ; 221(3): 441-450, 2018 04.
Article in English | MEDLINE | ID: mdl-29352707

ABSTRACT

BACKGROUND: As a result of the ban on lead in gasoline on 2nd January 2000, the French population's exposure to lead has decreased in recent years. However, because of the acknowledged harmful cognitive effects of lead even at low levels, lead exposure remains a major public health issue. In France, few biomonitoring data are available for exposure to lead in pregnant women and newborn. The purpose of the perinatal component of the French human biomonitoring (HBM) program was to describe levels of various biomarkers of exposure to several environmental pollutants, including lead, among mother-baby pairs. In this paper, we aimed to describe the distribution of cord blood lead levels (CBLL) in French mother-baby pairs, and to estimate the contribution of the main lead exposure risk factors to these levels. METHOD: A total of 1968 mother-baby pairs selected from the participants of the perinatal component of the French HBM program were included in the study on lead. Lead levels were analyzed in cord blood collected at child delivery by inductively coupled plasma-mass spectrometry (ICP-MS). The data collected included biological sample, socio-demographic characteristics, environmental and occupational exposure, and information on dietary factors. RESULTS: CBLL were quantified for 99.5% of the sample. The CBLL geometric mean was 8.30 µg/l (95% CI [7.94-8.68]) with a 95th percentile of 24.3 µg/l (95% CI [20.7-27.1]). Factors significantly associated with CBLL were tap water consumption, alcohol consumption, shellfish consumption, vegetable consumption, bread consumption, smoking, and the mother being born in countries where lead is often used. CONCLUSION: This study provides the first reference value for CBLL in a random sample of mother-baby pairs not particularly exposed to high levels of lead (24.3 µg/l). A substantial decrease in CBLL over time was observed, which confirms the decrease of exposure to lead among the general population. CBLL observed in this French study were in the range of those found in recent surveys conducted in other countries.


Subject(s)
Environmental Pollutants/blood , Fetal Blood/metabolism , Lead/blood , Maternal Exposure , Prenatal Exposure Delayed Effects , Adolescent , Adult , Diet/adverse effects , Environmental Exposure/adverse effects , Environmental Exposure/analysis , Environmental Monitoring/methods , Environmental Pollutants/adverse effects , Female , France , Humans , Infant, Newborn , Lead/adverse effects , Longitudinal Studies , Maternal Exposure/adverse effects , Middle Aged , Mothers , Occupational Exposure/adverse effects , Occupational Exposure/analysis , Pregnancy , Reference Values , Risk Factors , Young Adult
4.
Environ Int ; 97: 56-67, 2016 Dec.
Article in English | MEDLINE | ID: mdl-27788374

ABSTRACT

BACKGROUND: As part of the perinatal component of the French Human Biomonitoring (HBM) program, biomarkers levels of various chemicals have been described among pregnant women having given birth in continental France in 2011 and who have been enrolled in the Elfe cohort (French Longitudinal Study since Childhood). This paper describes the design of the study and provides main descriptive results regarding exposure biomarkers levels. METHODS: Exposure biomarkers were measured in biological samples collected at delivery from pregnant women randomly selected among the participants in the clinical and biological component of the Elfe cohort (n=4145). The geometric mean and percentiles of the levels distribution were estimated for each biomarker. The sampling design was taken into account in order to obtain estimates representative of the French pregnant women in 2011. RESULTS: Results provide a nation-wide representative description of biomarker levels for important environmental contaminants among pregnant women who gave birth in France in 2011. Bisphenol A (BPA), and some metabolites of phthalates, pesticides (mainly pyrethroids), dioxins, furans, polychlorobiphenyls (PCBs), brominated flame retardants (BFRs), perfluorinated compounds (PFCs) and metals (except uranium) were quantified in almost 100% of the pregnant women. Some compounds showed a downward trend compared to previous studies (lead, mercury), but others did not (pyrethroids) and should be further monitored. CONCLUSION AND PERSPECTIVES: The present results show that French pregnant women are exposed to a wide variety of pollutants, including some that have been banned or restricted in France.


Subject(s)
Environmental Pollutants/adverse effects , Adolescent , Adult , Benzhydryl Compounds/analysis , Benzhydryl Compounds/toxicity , Biomarkers/blood , Biomarkers/urine , Child , Dioxins/analysis , Dioxins/toxicity , Environmental Monitoring , Environmental Pollutants/blood , Environmental Pollutants/urine , Environmental Pollution/adverse effects , Female , Flame Retardants/analysis , Flame Retardants/toxicity , France , Furans/analysis , Furans/toxicity , Humans , Longitudinal Studies , Pesticides/analysis , Pesticides/toxicity , Phenols/analysis , Phenols/toxicity , Phthalic Acids/analysis , Phthalic Acids/toxicity , Polychlorinated Biphenyls/analysis , Polychlorinated Biphenyls/toxicity , Pregnancy , Young Adult
5.
Rev Prat ; 54(12): 1289-97, 2004 Jun 30.
Article in French | MEDLINE | ID: mdl-15461047

ABSTRACT

A heat wave of exceptional intensity occurred in France in August 2003, 2003 was the warmest of the last 53 years in terms of minimal, maximal and average temperatures, and in terms of duration. In addition, high temperatures and sunshine, causing the emission of pollutants, significantly increased the atmospheric ozone level. Some epidemiological studies were rapidly implemented during the month of August in order to asses the health impact of this heat wave. Excess mortality was estimated at about 14 800 additional deaths. This is equivalent to a total mortality increase of 60% between August 1st and 20th, 2003 (Inserm survey). Almost the whole country was concerned by this excess-mortality, even in locations where the number of very hot days remained low. Excess-mortality clearly increased with the duration of extreme temperatures. These studies also described the features of heat-related deaths. They showed that the death toll was at its highest among seniors and suggested that less autonomous or disabled or mentally ill people were more vulnerable. So, they provided essential information for the setting up of an early warning system in conjunction with emergency departments. The public health impact of the Summer 2003 heat wave in various European countries was also assessed. Different heat waves in term of intensity had occurred at different times in many countries with each time deaths in excess. But, it does seem that France was the most affected country. However, implementation of standardized methods of data collection through all countries is necessary to afford further comparisons. Collaborative studies will be conducted in this way. After theses first descriptive studies, further etiologic studies on risk factors and heat-related deaths were launched and are now in progress. Considering the health impact of the heat wave, national health authorities decided to launch an Heat Wave National Plan including a provisional Heat Watch Warning System (HWWS) for 2004. Developed in collaboration with Metéo France, this HWWS is based upon an analysis of historical daily mortality data and meteorological indicators in 14 French cities in order to define the best indicators and triggers. The public health impact of the heat wave of August 2003 was major. This exceptional event raises questions about anticipating phenomena which are difficult to predict. The collaborative efforts which were developed and the group of actions and studies which were implemented in a context of emergency are now useful for the setting up of early warning strategies and thus efficient prevention.


Subject(s)
Heat Stress Disorders , Hot Temperature/adverse effects , Age Factors , Europe/epidemiology , France/epidemiology , Greenhouse Effect , Health Policy , Health Surveys , Heat Exhaustion/etiology , Heat Exhaustion/mortality , Heat Stress Disorders/etiology , Heat Stress Disorders/mortality , Heat Stress Disorders/prevention & control , Heat Stroke/etiology , Heat Stroke/mortality , Heat Stroke/prevention & control , Humans , Risk Factors
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