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[PMID]:29377934
[Au] Autor:Soudy ID; Minet-Quinard R; Mahamat AD; Ngoua HF; Izzedine AA; Tidjani A; Ngo Bum E; Lambert C; Pereira B; Desjeux JF; Sapin V
[Ad] Endereço:Institut National Supérieur des Sciences et Techniques d'Abéché (INSTA-Tchad), Abéché, Tchad.
[Ti] Título:Vitamin A status in healthy women eating traditionally prepared spirulina (Dihé) in the Chad Lake area.
[So] Source:PLoS One;13(1):e0191887, 2018.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Chad Lake is a central place in a region with a high prevalence of vitamin A deficiency. Spirulina, a natural source of ß-carotene, is traditionally produced and eaten as "Dihé" around Chad Lake. ß-carotene spirulina has been found to have a high conversion factor to retinol. The aim of the study was to assess if the retinol status between healthy women eating spirulina Dihé daily (SPI+) and not (SPI-) in the Chad Lake area was different. METHODS: This study was observational: 88 healthy women were recruited and selected according to clinical criteria and their willingness to participate. They were divided in two groups according to their Dihé daily consumption: those who eat Dihé (SPI+; n = 35) and those who do not (SPI-; n = 35). After anthropometric and dietary assessments, blood retinol, ß-carotene, retinol binding, and inflammatory/nutritional proteins were measured. RESULTS: The diet between groups was identical, except for ß-carotene consumption, which was higher in SPI+ than in SPI- (10.8 vs. 1.8 mg/day). The serum retinol and ß-carotene concentrations were significantly higher in SPI+ than in SPI- at 1.26 ± 0.36 µmol/l versus 1.03 ± 0.31 µmol/l (p = 0.008) and 0.59 ±0.37 µmol/l versus 0.46± 0.31 µmol/l (p = 0.04), respectively. Seventy-seven percent of SPI+ versus 29% of SPI- had an adequate blood retinol value (p = 0.01). CONCLUSION: The results confirm that ß-carotene in spirulina is an effective positive modulator of blood retinol status. Dihé is a potential natural source of ß-carotene to achieve a proper vitamin A status in healthy women living near Chad Lake.
[Mh] Termos MeSH primário: Spirulina
Vitamina A/sangue
[Mh] Termos MeSH secundário: Adulto
Chade
Dieta
Feminino
Seres Humanos
Lagos
[Pt] Tipo de publicação:JOURNAL ARTICLE; OBSERVATIONAL STUDY; RESEARCH SUPPORT, NON-U.S. GOV'T
[Nm] Nome de substância:
11103-57-4 (Vitamin A)
[Em] Mês de entrada:1803
[Cu] Atualização por classe:180309
[Lr] Data última revisão:
180309
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180130
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0191887


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[PMID]:28457164
[Au] Autor:Bou Khalil R
[Ad] Endereço:From the Department of Psychiatry, Saint Joseph University, and the Department of Psychiatry, Hotel Dieu de France, Beirut, Lebanon.
[Ti] Título:On the Magical Thinking Related to Mental Health in Chad.
[So] Source:Am J Psychiatry;174(5):427-428, 2017 May 01.
[Is] ISSN:1535-7228
[Cp] País de publicação:United States
[La] Idioma:eng
[Mh] Termos MeSH primário: Cultura
Conhecimentos, Atitudes e Prática em Saúde
Saúde Mental
Esquizofrenia/tratamento farmacológico
[Mh] Termos MeSH secundário: Antipsicóticos/uso terapêutico
Chade
Haloperidol/uso terapêutico
Seres Humanos
Esquizofrenia/diagnóstico
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antipsychotic Agents); J6292F8L3D (Haloperidol)
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180205
[Lr] Data última revisão:
180205
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:170502
[St] Status:MEDLINE
[do] DOI:10.1176/appi.ajp.2016.16101159


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[PMID]:29372633
[Ti] Título:Meeting of the International Task Force for Disease Eradication, October 2017.
[Ti] Título:Réunion du Groupe spécial international pour l'éradication des maladies, octobre 2017..
[So] Source:Wkly Epidemiol Rec;93(4-5):33-8, 2018 Jan 26.
[Is] ISSN:0049-8114
[Cp] País de publicação:Switzerland
[La] Idioma:eng; fre
[Mh] Termos MeSH primário: Erradicação de Doenças/organização & administração
Doenças do Cão/prevenção & controle
Dracunculíase/prevenção & controle
Dracunculíase/veterinária
[Mh] Termos MeSH secundário: Animais
Antinematódeos/uso terapêutico
Chade/epidemiologia
Surtos de Doenças/prevenção & controle
Surtos de Doenças/estatística & dados numéricos
Reservatórios de Doenças/parasitologia
Doenças do Cão/epidemiologia
Doenças do Cão/transmissão
Cães
Dracunculíase/epidemiologia
Dracunculíase/transmissão
Dracunculus/fisiologia
Etiópia/epidemiologia
Seres Humanos
Mali/epidemiologia
Sudão/epidemiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antinematodal Agents)
[Em] Mês de entrada:1801
[Cu] Atualização por classe:180130
[Lr] Data última revisão:
180130
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:180127
[St] Status:MEDLINE


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[PMID]:29187916
[Au] Autor:Choua O; Rimtebaye K; Yamingue N; Moussa K; Kaboro M
[Ad] Endereço:Département de Chirurgie, Faculté des Sciences de la Santé Humaine BP 1117 N'Djaména, Tchad.
[Ti] Título:[Epidemiological, clinical and therapeutic aspects of blunt abdominal trauma in patients undergoing surgery at the General Hospital of National Reference of N'Djamena, Chad: about 49 cases].
[Ti] Título:Aspects des traumatismes fermés de l'abdomen opérés à l'Hôpital Général de Référence Nationale de N'Djaména (HGRN), Tchad: à propos de 49 cas..
[So] Source:Pan Afr Med J;26:50, 2017.
[Is] ISSN:1937-8688
[Cp] País de publicação:Uganda
[La] Idioma:fre
[Ab] Resumo:Introduction: Blunt abdominal traumas are common. Methods: We retrospectively reviewed the medical records of 49 patients with blunt abdominal trauma who underwent surgery at the General Hospital of National Reference of N'Djamena, Chad over a period of 5 years. Epidemiological, clinical and therapeutic parameters of patients were studied. Results: The study included 42 men and 7 women, mean age 21.3 years. The causes of blunt abdominal traumas were: road traffic accidents in 61.2% of cases; wall collapses (14.3%); assaults (8.2%). Blunt abdominal traumas were more frequent in August (14.28%) and October (16.32%). The waiting time for admission in hospital was 6-12h in 43% of cases. At discharge, wounded patients used private car in 85.7% of cases. Clinically, patients were often hemodynamically stable (55.1%). Medical imaging was dominated by direct radiography of the abdomen (57.1%). The most observed lesions were those located only in the small intestine (16.32%) or related to that of the bladder (8.16%) and spleen (2.04%). Laparotomy was negative in 6.12% of cases. Morbidity (12.2%) was dominated by abdominal wall abscess. Mortality rate was 6.1%. Conclusion: Road traffic accidents are the leading cause of blunt abdominal traumas. It is important to minimize delays in diagnosis, and treatment. Road safety measures should be implemented to prevent accidents.
[Mh] Termos MeSH primário: Traumatismos Abdominais/cirurgia
Acidentes de Trânsito/estatística & dados numéricos
Laparotomia
Ferimentos não Penetrantes/cirurgia
[Mh] Termos MeSH secundário: Traumatismos Abdominais/diagnóstico
Traumatismos Abdominais/epidemiologia
Parede Abdominal/patologia
Abscesso/diagnóstico
Abscesso/epidemiologia
Adulto
Chade/epidemiologia
Feminino
Hospitais Gerais
Seres Humanos
Masculino
Estudos Retrospectivos
Fatores de Tempo
Violência/estatística & dados numéricos
Ferimentos não Penetrantes/diagnóstico
Ferimentos não Penetrantes/enzimologia
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171219
[Lr] Data última revisão:
171219
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171201
[St] Status:MEDLINE
[do] DOI:10.11604/pamj.2017.26.50.8327


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[PMID]:29176816
[Au] Autor:Spina A; Lenglet A; Beversluis D; de Jong M; Vernier L; Spencer C; Andayi F; Kamau C; Vollmer S; Hogema B; Irwin A; Ngueremi Yary R; Mahamat Ali A; Moussa A; Alfani P; Sang S
[Ad] Endereço:Médecins Sans Frontières, Operational Center Amsterdam (OCA), Ndjamena, Chad.
[Ti] Título:A large outbreak of Hepatitis E virus genotype 1 infection in an urban setting in Chad likely linked to household level transmission factors, 2016-2017.
[So] Source:PLoS One;12(11):e0188240, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: In September 2016, three acutely jaundiced (AJS) pregnant women were admitted to Am Timan Hospital, eastern Chad. We described the outbreak and conducted a case test-negative study to identify risk factors for this genotype of HEV in an acute outbreak setting. METHODS: Active case finding using a community based surveillance network identified suspected AJS cases. Pregnant or visibly ill AJS cases presenting at hospital were tested with Assure® IgM HEV rapid diagnostic tests (RDTs) and some with Polymerase Chain Reaction (PCR) in Amsterdam; confirmed cases were RDT-positive and controls were RDT-negative. All answered questions around: demographics, household makeup, area of residence, handwashing practices, water collection behaviour and clinical presentation. We calculated unadjusted odds ratios (ORs) and 95% confidence intervals (95% CI). RESULTS: Between September and April 2017, 1443 AJS cases (1293 confirmed) were detected in the town(attack rate: 2%; estimated 65,000 population). PCR testing confirmed HEV genotype 1e. HEV RDTs were used for 250 AJS cases; 100 (40%) were confirmed. Risk factors for HEV infection, included: having at least two children under the age of 5 years (OR 2.1, 95%CI 1.1-4.3), having another household member with jaundice (OR 2.4, 95%CI 0.90-6.3) and, with borderline significance, living in the neighbourhoods of Riad (OR 3.8, 95%CI 1.0-1.8) or Ridina (OR 3.3, 95%CI 1.0-12.6). Cases were more likely to present with vomiting (OR 3.2, 9%CI 1.4-7.9) than controls; possibly due to selection bias. Cases were non-significantly less likely to report always washing hands before meals compared with controls (OR 0.33, 95%CI 0.1-1.1). DISCUSSION: Our study suggests household factors and area of residence (possibly linked to access to water and sanitation) play a role in HEV transmission; which could inform future outbreak responses. Ongoing sero-prevalence studies will elucidate more aspects of transmission dynamics of this virus with genotype 1e.
[Mh] Termos MeSH primário: Cidades/estatística & dados numéricos
Surtos de Doenças/estatística & dados numéricos
Características da Família
Vírus da Hepatite E/genética
Hepatite E/epidemiologia
Hepatite E/transmissão
[Mh] Termos MeSH secundário: Adolescente
Adulto
Chade/epidemiologia
Criança
Pré-Escolar
Feminino
Geografia
Seres Humanos
Lactente
Recém-Nascido
Icterícia/epidemiologia
Masculino
Fatores de Risco
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1712
[Cu] Atualização por classe:171219
[Lr] Data última revisão:
171219
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171128
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0188240


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[PMID]:28980647
[Au] Autor:Reardon S
[Ti] Título:How the latest US travel ban could affect science.
[So] Source:Nature;550(7674):17, 2017 09 27.
[Is] ISSN:1476-4687
[Cp] País de publicação:England
[La] Idioma:eng
[Mh] Termos MeSH primário: Emigração e Imigração/legislação & jurisprudência
Pesquisadores/legislação & jurisprudência
Ciência/recursos humanos
Estudantes/legislação & jurisprudência
Viagem/legislação & jurisprudência
[Mh] Termos MeSH secundário: Chade
Congressos como Assunto/organização & administração
República Democrática Popular da Coreia
Irã (Geográfico)
Islamismo
Líbia
Pesquisadores/psicologia
Somália
Decisões da Suprema Corte
Síria
Incerteza
Estados Unidos
Venezuela
Iêmen
[Pt] Tipo de publicação:NEWS
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171026
[Lr] Data última revisão:
171026
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:171006
[St] Status:MEDLINE
[do] DOI:10.1038/nature.2017.22686


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[PMID]:28830384
[Au] Autor:Ba Diallo A; Ossoga GW; Daneau G; Lo S; Ngandolo R; Djaibé CD; Djouater B; Mboup S; de Jong BC; Diallo AG; Gehre F
[Ad] Endereço:Mycobacteria Unit, Bacteriology- Virology Laboratory, CHU Aristide Le Dantec, 30 Avenue Pasteur, BP 7325, Dakar, Senegal. awa1.diallo@ucad.edu.sn.
[Ti] Título:Emergence and clonal transmission of multi-drug-resistant tuberculosis among patients in Chad.
[So] Source:BMC Infect Dis;17(1):579, 2017 Aug 22.
[Is] ISSN:1471-2334
[Cp] País de publicação:England
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Emergence of Multidrug-resistant (MDR) strains constitutes a significant public health problem worldwide. Prevalence of MDR tuberculosis from Chad is unavailable to date. METHODS: We collected samples from consecutive TB patients nationwide in the seven major cities of Chad between 2007 and 2012 to characterize drug resistance and the population structure of circulating Mycobacterium tuberculosis complex (MTBC) strains. We tested drug sensitivity using Line Probe Assays and phenotypic drug susceptibility testing (DST) were used for second line drugs. We genotyped the isolates using spoligotype analysis and MIRU-VNTR. RESULTS: A total of 311 cultures were isolated from 593 patients. The MDR prevalence was 0.9% among new patients and 3.5% among retreatment patients, and no second line drug resistance was identified. The distribution of genotypes suggests a dissemination of MDR strains in the Southern city of Moundou, bordering Cameroon and Central African Republic. CONCLUSION: Emerging MDR isolates pose a public health threat to Southern Chad, with risk to neighboring countries. This study informs public health practitioners, justifying the implementation of continuous surveillance with DST for all retreatment cases as well as contacts of MDR patients, in parallel with provision of adequate 2nd line regimens in the region.
[Mh] Termos MeSH primário: Doenças Transmissíveis Emergentes/microbiologia
Farmacorresistência Bacteriana Múltipla
Variação Genética
Mycobacterium tuberculosis/isolamento & purificação
Tuberculose Resistente a Múltiplos Medicamentos/microbiologia
[Mh] Termos MeSH secundário: Antituberculosos/farmacologia
Chade/epidemiologia
Células Clonais
Doenças Transmissíveis Emergentes/epidemiologia
Doenças Transmissíveis Emergentes/transmissão
Feminino
Genótipo
Seres Humanos
Masculino
Meia-Idade
Mycobacterium tuberculosis/efeitos dos fármacos
Mycobacterium tuberculosis/genética
Prevalência
Tuberculose Resistente a Múltiplos Medicamentos/epidemiologia
Tuberculose Resistente a Múltiplos Medicamentos/transmissão
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Antitubercular Agents)
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171109
[Lr] Data última revisão:
171109
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170824
[St] Status:MEDLINE
[do] DOI:10.1186/s12879-017-2671-7


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[PMID]:28761600
[Au] Autor:Mindekem R; Lechenne M; Alfaroukh IO; Moto DD; Zinsstag J; Ouedraogo LT; Salifou S
[Ad] Endereço:Ministère de la Santé Publique, Tchad.
[Ti] Título:[Evaluation of Knowledge-Attitudes-Practices of the populations in the health districts of Benoye, Laoukassy, Moundou and South N'Djamena towards canine rabies in Chad].
[Ti] Título:Evaluation des Connaissances-Attitudes-Pratiques des populations des districts sanitaires de Benoye, Laoukassy, Moundou et N'Djaména Sud sur la rage canine au Tchad..
[So] Source:Pan Afr Med J;27:24, 2017.
[Is] ISSN:1937-8688
[Cp] País de publicação:Uganda
[La] Idioma:fre
[Ab] Resumo:INTRODUCTION: Canine rabies remains a concern in Africa as well as in Chad. Our study aimed to evaluate the knowledge, attitudes and practices of the populations towards the appropriate management of people exposed to canine rabies and effective fight against it. METHODS: We conducted a cross-sectional, descriptive study in four health districts in Chad in July and in September 2015. Data were collected from households recruited by three-stage random sampling by means of a questionnaire. RESULTS: We conducted a survey of 2428 individuals having completed at least primary education level (54,12%). The average age was 36 ± 13.50 years. Surveyed individuals were farmers (35,17%), merchants (18,04%), households (12.81%). Rabies was defined as a disease transmitted from the dog to the man (41.43%), an alteration in brain function (41.27%), an undernourishment (10.26%). The cat was little-known to be a reservoir(13.84%) and a vector (19,77%) as well as licking was little-known to be a transmission medium (4.61%) and cat vaccination to be a preventive measure (0.49%). First aid for a bite at home was the traditional practice (47,69%), wounds washing (19.48%) or no action undertaken (20.43%). Households consulted the Health Service (78.50%), the Animal Health Service (5.35%) and the traditional healers (27%). CONCLUSION: A communication campaing for implementing first aid at home in the event of a bite, knowledge about the cat as a reservoir and a vector and licking as a transmission medium as well as the promotion of the consultation of veterinary services in the event of a bite are necessary.
[Mh] Termos MeSH primário: Mordeduras e Picadas/epidemiologia
Doenças do Cão/prevenção & controle
Conhecimentos, Atitudes e Prática em Saúde
Raiva/prevenção & controle
[Mh] Termos MeSH secundário: Adulto
Animais
Doenças do Gato/epidemiologia
Doenças do Gato/prevenção & controle
Gatos
Chade/epidemiologia
Estudos Transversais
Doenças do Cão/epidemiologia
Cães
Feminino
Primeiros Socorros/métodos
Seres Humanos
Masculino
Meia-Idade
Raiva/transmissão
Raiva/veterinária
Inquéritos e Questionários
Vacinação/métodos
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170822
[Lr] Data última revisão:
170822
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170802
[St] Status:MEDLINE
[do] DOI:10.11604/pamj.2017.27.24.11464


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[PMID]:28750007
[Au] Autor:Mahamat MH; Peka M; Rayaisse JB; Rock KS; Toko MA; Darnas J; Brahim GM; Alkatib AB; Yoni W; Tirados I; Courtin F; Brand SPC; Nersy C; Alfaroukh IO; Torr SJ; Lehane MJ; Solano P
[Ad] Endereço:Institut de Recherche en Elevage pour le Développement (IRED), Ndjaména, Chad.
[Ti] Título:Adding tsetse control to medical activities contributes to decreasing transmission of sleeping sickness in the Mandoul focus (Chad).
[So] Source:PLoS Negl Trop Dis;11(7):e0005792, 2017 Jul.
[Is] ISSN:1935-2735
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:BACKGROUND: Gambian sleeping sickness or HAT (human African trypanosomiasis) is a neglected tropical disease caused by Trypanosoma brucei gambiense transmitted by riverine species of tsetse. A global programme aims to eliminate the disease as a public health problem by 2020 and stop transmission by 2030. In the South of Chad, the Mandoul area is a persistent focus of Gambian sleeping sickness where around 100 HAT cases were still diagnosed and treated annually until 2013. Pre-2014, control of HAT relied solely on case detection and treatment, which lead to a gradual decrease in the number of cases of HAT due to annual screening of the population. METHODS: Because of the persistence of transmission and detection of new cases, we assessed whether the addition of vector control to case detection and treatment could further reduce transmission and consequently, reduce annual incidence of HAT in Mandoul. In particular, we investigated the impact of deploying 'tiny targets' which attract and kill tsetse. Before tsetse control commenced, a census of the human population was conducted and their settlements mapped. A pre-intervention survey of tsetse distribution and abundance was implemented in November 2013 and 2600 targets were deployed in the riverine habitats of tsetse in early 2014, 2015 and 2016. Impact on tsetse and on the incidence of sleeping sickness was assessed through nine tsetse monitoring surveys and four medical surveys of the human population in 2014 and 2015. Mathematical modelling was used to assess the relative impact of tsetse control on incidence compared to active and passive screening. FINDINGS: The census indicated that a population of 38674 inhabitants lived in the vicinity of the Mandoul focus. Within this focus in November 2013, the vector is Glossina fuscipes fuscipes and the mean catch of tsetse from traps was 0.7 flies/trap/day (range, 0-26). The catch of tsetse from 44 sentinel biconical traps declined after target deployment with only five tsetse being caught in nine surveys giving a mean catch of 0.005 tsetse/trap/day. Modelling indicates that 70.4% (95% CI: 51-95%) of the reduction in reported cases between 2013 and 2015 can be attributed to vector control with the rest due to medical intervention. Similarly tiny targets are estimated to have reduced new infections dramatically with 62.8% (95% CI: 59-66%) of the reduction due to tsetse control, and 8.5% (95% 8-9%) to enhanced passive detection. Model predictions anticipate that elimination as a public health problem could be achieved by 2018 in this focus if vector control and screening continue at the present level and, furthermore, there may have been virtually no transmission since 2015. CONCLUSION: This work shows that tiny targets reduced the numbers of tsetse in this focus in Chad, which may have interrupted transmission and the combination of tsetse control to medical detection and treatment has played a major role in reducing in HAT incidence in 2014 and 2015.
[Mh] Termos MeSH primário: Controle de Insetos/métodos
Nitrilos/farmacologia
Piretrinas/farmacologia
Tripanossomíase Africana/prevenção & controle
Tripanossomíase Africana/transmissão
Moscas Tsé-Tsé/parasitologia
[Mh] Termos MeSH secundário: Animais
Censos
Chade/epidemiologia
Feminino
Seres Humanos
Incidência
Insetos Vetores/parasitologia
Masculino
Programas de Rastreamento
Modelos Teóricos
Trypanosoma brucei gambiense/isolamento & purificação
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (Nitriles); 0 (Pyrethrins); 2JTS8R821G (decamethrin)
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170817
[Lr] Data última revisão:
170817
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170728
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pntd.0005792


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[PMID]:28722616
[Au] Autor:Sreenivasan N; Weiss A; Djiatsa JP; Toe F; Djimadoumaji N; Ayers T; Eberhard M; Ruiz-Tiben E; Roy SL
[Ad] Endereço:Centers for Disease Control and Prevention, Atlanta, Georgia.
[Ti] Título:Recurrence of Guinea Worm Disease in Chad after a 10-Year Absence: Risk Factors for Human Cases Identified in 2010-2011.
[So] Source:Am J Trop Med Hyg;97(2):575-582, 2017 Aug.
[Is] ISSN:1476-1645
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:A decade after reporting its last case of Guinea worm disease (GWD), a waterborne parasitic disease targeted for eradication, Chad reported 20 confirmed human cases from 17 villages-10 cases in 2010 and 10 cases in 2011. In 2012, the first GWD dog infections were diagnosed. We conducted a case-control study during April-May 2012 to identify human transmission risk factors and epidemiologic links. We recruited 19 cases and 45 controls matched by age, sex, time, and location of exposure based on the case patients' periods of infection 10-14 months earlier. Data were analyzed with simple conditional logistic regression models using Firth penalized likelihood methods. Unusually, GWD did not appear to be associated with household primary water sources. Instead, secondary water sources, used outside the village or other nonprimary sources used at home, were risk factors (matched odds ratio = 38.1, 95% confidence interval = 1.6-728.2). This study highlights the changing epidemiology of GWD in Chad-household primary water sources were not identified as risk factors and few epidemiologic links were identified between the handfuls of sporadic cases per year, a trend that continues. Since this investigation, annual dog infections have increased, far surpassing human cases. An aquatic paratenic host is a postulated mode of transmission for both dogs and humans, although fish could not be assessed in this case-control study due to their near-universal consumption. GWD's evolving nature in Chad underscores the continued need for interventions to prevent both waterborne and potential foodborne transmission until the true mechanism is established.
[Mh] Termos MeSH primário: Surtos de Doenças/prevenção & controle
Surtos de Doenças/estatística & dados numéricos
Dracunculíase/epidemiologia
Dracunculíase/transmissão
[Mh] Termos MeSH secundário: Adolescente
Adulto
Idoso
Estudos de Casos e Controles
Chade/epidemiologia
Criança
Pré-Escolar
Feminino
Seres Humanos
Modelos Logísticos
Masculino
Meia-Idade
Vigilância da População
Recidiva
Fatores de Risco
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170911
[Lr] Data última revisão:
170911
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:170720
[St] Status:MEDLINE
[do] DOI:10.4269/ajtmh.16-1026



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