RESUMEN
BACKGROUND: This study uses healthcare consumption to compare the health status of beneficiaries of the French national health insurance general scheme between individuals living in French overseas territories (FOT) and those living in metropolitan France. METHODS: Data were extracted from the French national health insurance database (Sniiram) for 2012, using algorithms, 56 groups of diseases and 27 groups of hospital activity were isolated. Standardized morbidity ratio for age and sex (SMR) were used to compare FOT to mainland France. RESULTS: Compared with mainland France, people living in the four FOT had high SMR for diabetes care (Guadeloupe 1.9; Martinique 1.7; Guyane 1.9; La Réunion 2.3), dialysis (2.7; 2.4; 3.8; 4.4), stroke (1.2; 1.1; 2.0; 1.5), and hospitalization for infectious diseases (1.9; 2.5; 2.4; 1.4) and obstetrics (1.4; 1.2; 1.9; 1.2). Care for inflammatory bowel disease or cancer were less frequent except for prostate in Martinique and Guadeloupe (2.3). People living in Martinique, Guadeloupe and la Reunion had more frequently care for psychotic disorders (2.0; 1.7; 1.2), dementia (1.1; 1.3; 11), epileptic seizures (1.4; 1.4; 16) and hospitalizations for burns (2.6; 1.7; 2.9). In la Reunion, people had more frequently coronary syndrome (1.3), cardiac heart failure (1.6), chronic respiratory diseases except cystic fibrosis (1.5), drug addiction (1.4) and hospitalizations for cardiovascular catheterization (1.4) and toxicology, poisoning, alcohol (1.7). Other differences were observed by gender: HIV infection, peripheral arterial disease, some chronic inflammatory disease (lupus) were more frequent in women living in Martinique or Guadeloupe, compared to women from mainland France and psychotic disorders for men. From la Reunion, men had more frequently liver and pancreatic diseases and hospitalisation for toxicology, poisoning, alcohol than men from mainland France. CONCLUSION: This study highlights the utility of administrative database to compare and follow population health status considering healthcare use. Specific Public Health policies are justified for FOT, taking into account the specific context of each FOT, the necessity of prevention initiatives and screening to reduce the frequency of the chronic diseases.
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Bases de Datos Factuales , Estado de Salud , Programas Nacionales de Salud , Adolescente , Adulto , Anciano , Niño , Preescolar , Bases de Datos Factuales/estadística & datos numéricos , Atención a la Salud/estadística & datos numéricos , Femenino , Francia/epidemiología , Guyana Francesa/epidemiología , Guadalupe/epidemiología , Encuestas Epidemiológicas , Hospitalización/estadística & datos numéricos , Humanos , Lactante , Recién Nacido , Masculino , Martinica/epidemiología , Persona de Mediana Edad , Morbilidad , Programas Nacionales de Salud/estadística & datos numéricos , Reunión/epidemiología , Adulto JovenRESUMEN
BACKGROUND: This paper discusses the ethical aspects of a large research program in virology, conducted since 1994 and which has evolved in parallel with the elaboration of bioethics laws in France. This research, which involved the collection of a considerable amount of epidemiological data in the field, focused on epidemiological determinants (mother to child transmission, genetic susceptibility/resistance) of the human oncogenic retrovirus human T cell lymphotropic virus type 1 (HTLV-1). Data were collected from a specific population (Noirs Marrons) living in remote areas in French Guiana (South America). This ethnic group of African descent is highly endemic for HTLV-1 and associated adult T cell leukemia/lymphoma. The population has lived for two centuries on either side of the Maroni river, which constitutes the frontier between French Guiana and Surinam. The low socioeconomic and education levels of a large part of this population are mainly explained by a recent housing/residence fixation on the French side of the Maroni river. It is also linked to significant immigration from Surinam due to the civil war, which lasted for five years in the late 1990s, in this country. Conducting epidemiological surveys in this peculiar context illustrates the limitations of the available current legal framework in France for such studies. Indeed, several important ethical issues arose concerning not only individual and population benefits, but also specificities of the given information and of the informed consent. Another question concerns individual information feed-back in such a context of persistent viral infection, with a very low disease incidence, in a population with a relatively low education level. The goal of this work was mainly to report several of the ethical issues encountered and to discuss possible ways of achieving better information deliver and consent procedures in such a context. Indeed, these procedures should include new ideas and regulations promoting a real partnership, in order to conduct long-term epidemiological studies in populations with a low education level.
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Estudios Epidemiológicos , Análisis Ético , Ética en Investigación , Infecciones por HTLV-I/epidemiología , Participación de la Comunidad/legislación & jurisprudencia , Escolaridad , Etnicidad/estadística & datos numéricos , Francia , Guyana Francesa/epidemiología , Guyana Francesa/etnología , Infecciones por HTLV-I/etnología , Promoción de la Salud/ética , Promoción de la Salud/legislación & jurisprudencia , Humanos , Consentimiento Informado/ética , Consentimiento Informado/legislación & jurisprudencia , Leucemia-Linfoma de Células T del Adulto/epidemiología , Leucemia-Linfoma de Células T del Adulto/etnología , PobrezaRESUMEN
This study explored the access to the French national renal transplantation waiting list and the waiting time before transplantation for the patients with ESRD on dialysis living in the FOT. Overseas health authorities gave data on ESRD incidence and prevalence. Data on patients registered between 1997 and 2000 were extracted from the French national waiting list (390 patients from the FOT and 9378 from continental France). Registered prevalence of ESRD in FOT (726 to 1418 per million population (pmp)) were higher than continental France (580 pmp). The yearly incidence of registration on the national French waiting list was 36 pmp. The same figure was observed in the FAT (French Guyana and Caribbean's islands: 36.8 to 43 pmp), very low in New Caledonia and Tahiti (7.7 and 18.1 pmp), and very high in the Reunion Island, where a renal transplantation unit is available (77.5 pmp). Median waiting times before transplantation varied significantly, FAT: 35.4 months, Reunion Island: 9.9 months, Pacific Territories: 8.8 months and the Metropolitan territory: 12.2 months. After adjustment on risk factors known to be associated with the waiting times before transplantation, we still observed a longer waiting time for patients from FAT (RR = 1,4, p < 0.05) and a lower waiting time for patients from Reunion Island (RR = 0.6, p < 0.001) compared to waiting time observed in patients from continental France. Consequently, transplantation teams in FAT must be developed.
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Accesibilidad a los Servicios de Salud/estadística & datos numéricos , Trasplante de Riñón/estadística & datos numéricos , Francia/epidemiología , Guyana Francesa/epidemiología , Guadalupe/epidemiología , Humanos , Fallo Renal Crónico/epidemiología , Fallo Renal Crónico/cirugía , Martinica/epidemiología , Nueva Caledonia/epidemiología , Polinesia/epidemiología , Reunión/epidemiología , Listas de EsperaRESUMEN
OBJECTIVE: We report an epidemiological study with an analysis of the risk factors of the HTLV-1 seroprevalence in pregnant women and their children in the town of St Laurent du Maroni, French Guyana. MATERIAL AND METHOD: HTLV-1 seroprevalence and risk associated factors were first studied in all the pregnant women having delivered at St. Laurent between July 1991 and June 1993. Then, a retrospective analysis was performed in the children, aged between 18 months and 12 years old, born from HTLV-1 infected mothers, focusing especially on the duration of breast feeding and the level of HTLV-1 anti body titers and proviral load. RESULTS: The global HTLV-1 seroprevalence was 4.4% (75/1727) but it was more prevalent among ethnic groups of African origin such as the Noir Marron population (5.5%) and Haitians (6.3%). In the Noir-Marron population, which represents 70% of the studied population, HTLV-1 seropositivity was associated with a maternal age of>35 years, prior miscarriage, prior cesarean section, parity>4, gravidity>6 and negative rhesus factor. After logistic regression, HTLV-1 seropositivity remained associated with gravidity>6 and negative rhesus factor. Out of the 216 children born from 81 HTLV-1 infected mothers, only 21 were found to be HTLV-1 seropositive, giving a crude HTLV-1 transmission rate of 9.7% while among the 180 breast-fed children 10.6% were HTLV-1 seropositive. HTLV-1 seropositivity in children was associated with elevated maternal anti HTLV-1 antibody titer, high maternal HTLV-1 proviral load and child's gender, girls being more frequently HTLV-1 infected than boys. CONCLUSION: HTLV-1 infection, which can be responsible for severe pathologies in adults (adult T cell leukemia and tropical spastic paraparesis/HTLV-1 associated myelopathy) should be screened during pregnancy in women originating from high HTLV-1 endemic areas, as for France, mainly the French West Indies, French Guyana and Intertropical Africa. In case of HTLV-1 seropositivity, mothers should be informed on the risk of transmission and promotion of bottle feeding of their children should be strongly proposed.
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Infecciones por HTLV-I/epidemiología , Complicaciones Infecciosas del Embarazo/epidemiología , Adulto , Lactancia Materna , Niño , Preescolar , Etnicidad/estadística & datos numéricos , Femenino , Número de Embarazos , Guyana/epidemiología , Anticuerpos Anti-HTLV-I/sangre , Infecciones por HTLV-I/transmisión , Virus Linfotrópico T Tipo 1 Humano/inmunología , Virus Linfotrópico T Tipo 1 Humano/aislamiento & purificación , Humanos , Lactante , Transmisión Vertical de Enfermedad Infecciosa/estadística & datos numéricos , Modelos Logísticos , Masculino , Embarazo , Prevalencia , Estudios Retrospectivos , Isoinmunización Rh/epidemiología , Factores de Riesgo , Estudios Seroepidemiológicos , Factores Sexuales , Carga ViralRESUMEN
To assess the prevalence and incidence of human T-cell lymphotropic virus type I (HTLV-I), 4,234 pregnant women of different ethnic origins were tested before each delivery between 1991 and 1997 in a high HTLV-I endemic area of French Guiana. HTLV-I was significantly more prevalent among ethnic groups of African descent as the Noir-Marrons (4.8%, 95% confidence interval [CI]: 4.0-5.6) and Haitians (5%, 95% CI 1.6-8.4). An age dependence of HTLV-I seroprevalence was observed. The mean age of Noir-Marron HTLV-I seronegative women was lower than for HTLV-I seropositive women (24. 7 vs. 28.6, p < 0.001). A decline in HTLV-I seroprevalence was observed, particularly in the Noir-Marron younger than 21 years old (p = 0.04). For five HTLV-I seroconversions observed, the incidence per 100 women-years in the Noir-Marron group was 0.19 (95% CI 0.02-0. 35) for all women, 0.32 in those 25 years old or younger (95% CI 0-0. 64), and 0.07 in those older than 25 years (95% CI 0-0.2). This observation was inconsistent with HTLV-I seroprevalence observed for those 25 years old or younger (2.8%) and those older than 25 (8.3%). These data demonstrate, for the first time outside Japan, a birth cohort effect for HTLV-I in a highly endemic ethnic group.
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Infecciones por HTLV-I/epidemiología , Virus Linfotrópico T Tipo 1 Humano , Complicaciones Infecciosas del Embarazo/epidemiología , Adulto , África/etnología , Enfermedades Endémicas , Femenino , Guyana Francesa/epidemiología , Infecciones por HTLV-I/sangre , Humanos , Incidencia , Embarazo , Complicaciones Infecciosas del Embarazo/sangre , Prevalencia , Estudios SeroepidemiológicosRESUMEN
To determine the epidemiological characteristics of human T cell leukemia/lymphoma virus type I (HTLV-I) infection in the endemic village of Maripasoula, French Guiana, 1,614 persons (83.2% of the population) aged 2 to 91 years (mean age 21) were studied from November 1994 through April 1995. Plasma samples were screened by an HTLV-I ELISA and an IFA test (on MT2 cells), and positive samples were tested by an HTLV-I and -II type-specific Western blot. Overall seropositivity in the village was 6.7%, but HTLV-I infection was restricted to 3 of 6 ethnic groups, including the Noir-Marron (descendants of escaped African slaves, 8%), the Creoles (4.1%) and those of mixed Noir Marron/other ethnicity (3.6%). In the Noir-Marron population of 1,222 persons, including 606 men and 616 women and representing 76% of those tested, HTLV-I seroprevalence increased significantly with age in both sexes, reaching 40% in women older than 50 years. Univariate risk factors for HTLV-I seropositivity in women included older age, more pregnancies, more live births and a history of hospitalization. A cross-sectional analysis of sexual partners demonstrated an excess of discordant female HTLV-I+/male HTLV-I- couples, indicating preferential male-to-female sexual transmission. The demonstration of II HTLV-I-seropositive children aged less than 15 years, of whom 9 had a seropositive mother, suggested maternal-child HTLV-I transmission. Our results demonstrate a very high seroprevalence of HTLV-I in this South American population descended from African slaves, probably due to high rates of mother-to-child and sexual transmission within this rather isolated group.
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Enfermedades Endémicas , Anticuerpos Anti-HTLV-I/sangre , Infecciones por HTLV-I/epidemiología , Adolescente , Adulto , Anciano , Anciano de 80 o más Años , Niño , Preescolar , Femenino , Guyana Francesa/epidemiología , Infecciones por HTLV-I/etnología , Infecciones por HTLV-I/inmunología , Infecciones por HTLV-I/transmisión , Humanos , Lactante , Transmisión Vertical de Enfermedad Infecciosa , Masculino , Persona de Mediana Edad , Prevalencia , Análisis de Regresión , Enfermedades de Transmisión Sexual/inmunologíaRESUMEN
The aim of this study was to compare rates of human T-cell lymphotropic virus type I (HTLV-I) seroprevalence in pregnant women belonging to different ethnic groups in French Guiana and to determine the risk factors associated with HTLV-I seropositivity. All 1,873 deliveries between 1 July 1991 and 30 June 1993 in the only gynecologic and obstetric unit at Saint Laurent du Maroni were enrolled. Serologic status could be established for 1,727 women, with 75 (4.3%) being HTLV-I seropositive. The HTLV-I seroprevalence rate differed significantly between ethnic groups: 5.7% for Noir-Marron (70/1,302), 6.3% for Haitian (3/50), and 0% for Creole (126), Amerindians (166), and Hmong (64). In Noir-Marron pregnant women, HTLV-I seropositivity was associated with a maternal age of > 35 years [odds ratio (OR), 3.3; 95% confidence interval (CI), 1.4-7.6], prior miscarriage (OR, 1.7; CI, 1-2.8), prior cesarean section (OR, 2.1; CI, 1.1-4.0), a parity > 4 (OR, 4.0; CI, 1.8-8.8), a gravidity > 6 (OR, 4.2; CI, 2.0-7.2), and a negative Rhesus factor (OR, 2.2; CI, 1.1-4.5). Two separate stepwise logistic regressions were done because gravidity and parity were highly correlated. HTLV-I seropositivity remained associated with a gravidity > 6 (OR, 3.9; CI, 2.1-7.4) and a negative Rhesus factor (OR, 2.6; CI, 1.2-5.3) for the first model and with a parity > 4 (OR, 4.1; CI, 1.9-9.0) and a negative Rhesus factor (OR, 2.5; CI, 1.2-5.1) for the second model.(ABSTRACT TRUNCATED AT 250 WORDS)