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Pesticides Use Practice by Market Gardeners in Lome (Togo)

ABSTRACT: Pesticides are more and more used in African countries. The aim of this study is to evaluate the risk and the impact of pesticides on gardener's health. It is a transversal descriptive study, which referred to vegetable growers, held in Lomé on the period from May 20 to June 5, 2017. Forty-eight (48) growers participated in the study. Men accounted for 70.8% of the study population against 29.2% of women. The level of education was primary (47.9%) in the majority of cases. Married people or couples represented 77.1% of cases. Most gardeners (72.9%) has no training in the use of pesticides. Pesticides were consistently applied (100%), including insecticides (72.7%), herbicides (9.1%), and fungicides (18.2%). Of 20 pesticides collected, 9 (45%) were approved by our authorities. Only 43.8% of growers were supplied with pesticides from authorized structures of agricultural products. Branches of plants (79.2%) were the spray means of most of the pesticides. Most gardeners (79, 2%) did not use personal protective equipment because of lack of resources for 81.6% of them. Water and environment contamination risk by pesticides was known by only 6.3% of gardeners. Among the adverse effects reported, pruritus was the majority in 85.4% of cases followed by headache (70.8%), cough (68.8%), and muscle pain (64.6%). The training of gardeners, monitoring and control of this informal sector, and the monitoring of unregistered pesticides will help to reduce the risk of poisoning of gardeners and consumers of vegetables as well as environmental pollution.

SUBMITTER: Diallo A

PROVIDER: S-EPMC7528109 | biostudies-literature | 2020 Jan

REPOSITORIES: biostudies-literature

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Acne in Lome, Togo: clinical aspects and quality of life of patients.

Project description:BACKGROUND:Acne is a chronic inflammatory condition affecting the pilosebaceous follicle that mainly affects adolescents and young adults. The aim of this study was to assess the quality of life (QOL) of patients with acne, and to determine the correlation between the QOL and the severity of acne, in Lomé (Togo). METHOD:From July 2017 to February 2018, we conducted a study in three dermatology departments of Lomé. The clinical evaluation of acne and assessment of the QOL were done using the ECLA (Echelle de Cotation des Lésions d'acné) and CADI (Cardiff Acne Disability Index) scores respectively. RESULTS:We enrolled 300 patients aged 12 to 52 years; 71.3% of whom were female. The face was affected by acne in 100% of cases and papulopustular acne was the most common clinical form (66.7%). Acne was mild to moderate in 162 patients (54%) and severe in 138 (46%). Impairment was observed in all patients' QOL (scores ranged from 1 to 14 points). There was a positive correlation between severity of acne and QOL impairment in the patients (r = 0.21; p = 0.0002). We also found a positive correlation between overall CADI score and factors F1 and F3 of the ECLA scale: the severity of facial acne (r = 0.15; p = 0.0073) and the presence of scars (r = 0.21; p = 0.0002). In contrast, the global ECLA score was significantly correlated with items 2, 3, and 5 of the CADI questionnaire: the patient's relationship (r = 0.13; p = 0.0241), avoidance behaviors (r = 0.21; p = 0.0002) and perception of acne (r = 0.16; p = 0.0067). CONCLUSION:Acne negatively impacts the QOL of patients. The severity of acne has an impact on the patient's relationships, avoidance behaviors and perception of the acne.

| S-EPMC6106930 | biostudies-literature

High SARS-CoV-2 seroprevalence among street adolescents in Lome, Togo, 2021.

Project description:BackgroundThere is almost no data on the circulation of SARS-CoV-2 among street adolescents. We conducted a study to document the immunization status of street adolescents in Togo against different variants of SARS-CoV-2.MethodsA cross-sectional study was carried out in 2021 in Lomé, the city with the highest number of COVID 19 cases in Togo (60%). Adolescents aged 13- and 19 years old living on the street were eligible for inclusion. A standardized questionnaire was administered face-to-face to adolescents. A sample of blood was taken and aliquots of plasma were transported to the virology laboratory of the Hôpital Bichat-Claude Bernard (Paris, France). SARS-CoV-2 anti-S and anti-N IgG were measured using chemiluminescent microparticle immunoassay. A quantitative miniaturized and parallel-arranged ELISA assay was used to detect IgG antibodies specifically directed against the different SARS-CoV-2 Variants of Concern (VOC).ResultsA total of 299 street adolescents (5.2% female), median age 15 years, interquartile range (14-17 years), were included in this study. The prevalence of SARS-CoV-2 infection was 63.5% (95%CI: 57.8-69.0). Specific-IgG against the ancestral Wuhan strain was developed by 92.0% of subjects. The proportion of patients being immunized against each VOC was 86.8%, 51.1%, 56.3%, 60.0, and 30.5% for the Alpha, Beta, Gamma, Delta, and Omicron VOCs, respectively.ConclusionThis study showed a very high prevalence with approximately 2/3 of Togolese street adolescents having antibodies to SARS-CoV-2 due to a previous infection. These results confirm an under-reporting of COVID-19 cases in Togo, questioning the hypothesis of low virus circulation in Togo and even in Africa.

| S-EPMC10069360 | biostudies-literature

Medication Consumption Patterns and Polypharmacy among Community-Dwelling Elderly in Lome (Togo) in 2017.

Project description:Background:In the sub-Saharan African, region of the world with a fast growing aging population and where the use of herbal products is very common, there is a paucity of data on medication consumption patterns among elderly people. The objective of this study was to assess the prevalence of polypharmacy and its associated factors among community-dwelling elderly in Lomé, Togo, in 2017. Methods:A cross-sectional study was conducted from March to June 2017 in Lomé, Togo among people aged 60 years and older. The Respondent Driven Sampling method was used to recruit participants. Data on socio-demographic characteristics and medication consumption patterns, including the use of medicinal plants and dietary supplements, were collected using a standardized questionnaire during a face-to-face interview at participants' home. Descriptive and binary logistic regression analyses were performed. Results:A total of 370 participants with median age 65 years, (IQR: 62-71) were enrolled in the study. Almost three elderly in five (57.6%) were multimorbid (had two or more chronic diseases). Conventional drugs (78.4%), medicinal plants (14.3%) and other dietary supplements (9.5%) were used by participants. The prevalence of polypharmacy was 22.7% (95% CI: 18.5-27.3%). Concurrent use of conventional drugs and medicinal plants or other dietary supplements was observed among 17.0% of participants and 67.3% reported self-medication. Multimorbidity (aOR?=?4.55; 95% CI: [2.42-8.54]) and female sex (aOR?=?1.86; 95% CI: [1.00-3.47]) were associated with polypharmacy. Conclusion:One elderly in five uses five or more medications in Togo. Further studies are needed to assess drug-drug interactions and herb-drug interactions among this population.

| S-EPMC7178761 | biostudies-literature

Prevalence of SARS-CoV-2 among high-risk populations in Lome (Togo) in 2020.

Project description:BackgroundIn December 2019, the COVID-19 outbreak began in China and quickly spread throughout the world and was reclassified as a pandemic in March 2020. The first case of COVID-19 was declared in Togo on March 5. Two months later, few data were available to describe the circulation of the new coronavirus in the country.ObjectiveThis survey aimed to estimate the prevalence of SARS-CoV-2 in high-risk populations in Lomé.Materials and methodsFrom April 23, 2020, to May 8, 2020, we recruited a sample of participants from five sectors: health care, air transport, police, road transport and informal. We collected oropharyngeal swabs for direct detection through real-time reverse transcription polymerase chain reaction (rRT-PCR) and blood for antibody detection by serological tests. The overall prevalence (current and past) of infection was defined by positivity for both tests.ResultsA total of 955 participants with a median age of 36 (IQR 32-43) were included, and 71.6% (n = 684) were men. Approximately 22.1% (n = 212) were from the air transport sector, 20.5% (n = 196) were from the police sector, and 38.7% (n = 370) were from the health sector. Seven participants (0.7%, 95% CI: 0.3-1.6%) had a positive rRT-PCR test result at the time of recruitment, and nine (0.9%, 95% CI: 0.4-1.8%) were seropositive for IgM or IgG against SARS-CoV-2. We found an overall prevalence of 1.6% (n = 15), 95% CI: 0.9-2.6%.ConclusionThe prevalence of SARS-CoV-2 infection among high-risk populations in Lomé was relatively low and could be explained by the various measures taken by the Togolese government. Therefore, we recommend targeted screening.

| S-EPMC7652308 | biostudies-literature

Molecular characterization of high-risk human papillomavirus (HR-HPV) in women in Lome, Togo.

Project description:BackgroundThe causative agent of cervical cancer referred to as Human papillomavirus (HPV) remains a real public health problem. Many countries in West Africa, such as Togo have no data on the high-risk HPV (HR-HPV) infection and genotypes distribution. In order to fill the knowledge gap in the field in Togo, the main objective of this study was to determine the prevalence of pre-cancerous lesions of the cervix and HR-HPV genotypes among Togolese women.MethodsSamples were collected from 240 women by introducing a swab in the cervix. Then, the screening of precancerous cervical lesions using the visual inspection with acetic acid and lugol (VIA / VIL) was conducted. The HR-HPV genotypes were characterised by real-time multiplex PCR.ResultsOut of 240 women recruited, 128 (53.3%) were infected by HR-HPV. The most common genotypes were HPV 56 (22.7%), followed by HPV 51 (20.3%), HPV 31 (19.5%), HPV 52 (18.8%) and HPV 35 (17.2%). The least common genotypes were HPV 33 (2.3%) and HPV 16 (2.3%). Among the women, 1.3% (3/240) were positive to VIA/VIL.ConclusionThis study allowed HR-HPV genotypes to be characterised for the first time in Lomé, Togo. This will help in mapping the HR-HPV genotypes in West Africa.

| S-EPMC7977574 | biostudies-literature

Diversity of Ants and Termites of the Botanical Garden of the University of Lome, Togo.

Project description:Ants and termites are used as bioindicators in many ecosystems. Little knowledge is available about them in Togo, especially ants. This study aimed to find out how ants and termites could be used to assess the restoration of former agricultural land. These insect groups were sampled within six transects of 50 × 2 m2 (using pitfall traps, monoliths, baits for ants and hand sampling for termites) in two consecutive habitats: open area (grassland) and covered area (an artificial forest). Seventeen termite species and 43 ant species were collected. Seven ant species were specific to the covered area against four for the open area, while four unshared species of termite were found in the open area against three in the covered area. The presence of unshared species was linked to vegetation, as Trinervitermes (Holmgren, 1912), a grass feeding termite, was solely found in open area. Also, for some ant species like Cataulacus traegaordhi (Santschi, 1914), Crematogaster (Lund, 1831) species, Oecophylla longinoda (Latreille, 1802) and Tetraponera mocquerysi (Brown, 1960), all arboreal species, vegetation was a determining factor for their presence. The occurrence of these species together with Basidentitermes mactus (Sjöstedt, 1911), Strumigenys bernardi (Brown, 1960) and S. sistrura (Bolton, 1983), suggest a more advanced level of restoration of the covered area.

| S-EPMC6681186 | biostudies-literature

Prevalence and distribution of Human Papillomavirus (HPV) genotypes among HIV infected women in Lome, Togo.

Project description:CONCLUSION:This study showed the diversity of circulating HPV genotypes in Togo. Programs of HPV vaccination and early detection of benign or precancerous lesions should be implemented to reduce cancer-related comorbidities.

| S-EPMC6392291 | biostudies-literature

Distribution of quinolone resistance gene (qnr) in ESBL-producing Escherichia coli and Klebsiella spp. in Lome, Togo.

Project description:Background:Qnr genes are known to confer a low-level resistance to fluoroquinolone in Enterobacteriaceae. They are often found on the same resistance plasmids as extended spectrum β-lactamase (ESBL) and constitute the most common antibiotic resistance mechanism. This study aimed to detect the presence of qnr genes in ESBL-producing E. coli and Klebsiella spp. Methods:From May 2013 to July 2015, 91 E. coli and 64 Klebsiella spp. strains with phenotypic resistance to quinolone were collected from several specimens and analyzed for the detection of qnrA, qnrB, qnrS genes and the β-lactamase resistance genes (blaCTX-M, blaTEM, blaSHV) using simplex and multiplex PCR. Results:In the present study, 107 (69%; 61 E. coli and 46 Klebsiella spp.) of 155 bacterial strains tested were found harboring at least one qnr gene consisting of 74 (47.74%) qnrB, 73 (47.10%) qnrS and 4 (2.58%) qnrA. Of the 107 strains encoding qnr genes, 102, 96 and 52 carried CTX-M1, TEM and SHV type ESBL respectively. Conclusion:This study identified quinolone resistance (qnr) gene in ESBL-producing E. coli and Klebsiella spp. in Togo. These finding which suggest a possible resistance to quinolone are of high interest for better management of patients and control of antimicrobial resistance in Togo.

| S-EPMC6582466 | biostudies-literature

The African cholera surveillance network (Africhol) consortium meeting, 10-11 June 2015, Lome, Togo.

Project description:The fifth annual meeting of the African cholera surveillance network (Africhol) took place on 10-11 June 2015 in Lomé, Togo. Together with international partners, representatives from the 11 member countries -Cameroon, Côte d'Ivoire, Democratic Republic of Congo, Guinea, Kenya, Mozambique, Nigeria, Tanzania, Togo, Uganda, Zimbabwe- and an invited country (Malawi) shared their experience. The meeting featured three sessions: i) cholera surveillance, prevention and control in participating countries, ii) cholera surveillance methodology, such as cholera mapping, cost-effectiveness studies and the issue of overlapping epidemics from different diseases, iii) cholera laboratory diagnostics tools and capacity building. The meeting has greatly benefitted from the input of technical expertise from participating institutions and the observations emerging from the meeting should enable national teams to make recommendations to their respective governments on the most appropriate and effective measures to be taken for the prevention and control of cholera. Recommendations for future activities included collecting precise burden estimates in surveillance sites; modeling cholera burden for Africa; setting up cross-border collaborations; strengthening laboratory capacity for the confirmation of suspected cholera cases and for vaccine impact assessment in settings where oral cholera vaccine would be used; adapting cholera surveillance to concurrent issues (e.g., Ebola); and developing national cholera control plans including rationale vaccination strategies together with other preventive and control measures such as improvements in water, sanitation and hygiene (WASH).

| S-EPMC5301166 | biostudies-other

Histoplasmosis by Histoplasma capsulatum var. duboisii Observed at the Laboratory of Pathological Anatomy of Lome in Togo.

Project description:Our study aimed to describe the epidemiological, clinical, and diagnostic aspects of African histoplasmosis in Togo through a descriptive and cross-sectional study on histological diagnosed African histoplasmosis in Pathology Department of Lomé from 2002 to 2016 (15 years). A total of 17 cases of African histoplasmosis were diagnosed. The sex ratio (M/F) was 1.8. The annual incidence was 1.1 cases. The mean age of the patients was 27.2 ± 0.4 years. All our patients were of social categories with a low socioeconomic level. HIV infection was known in 3 patients and one patient contracted tuberculosis. The clinical manifestations were cutaneous in 7 cases, cutaneous and mucous in 3 cases, cutaneous and lymph node in 3 cases, cutaneous and bone in 2 cases, and disseminated in 2 cases. The samples examined consisted of 14 cutaneous biopsies measuring 2-3 cm and 3 ganglionic biopsies each measuring 4 cm of major axis. Histologically, all cases were of chronic form made of granulomatous reaction with ovoid yeasts measuring between 1 and 2 microns. Despite the low frequency of this disease in our country, it should be kept constantly in mind before any granulomatous lesions, especially in the context of the HIV pandemic.

| S-EPMC5539941 | biostudies-other

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