Prevalence and risk factors associated with urogenital schistosomiasis among primary school pupils in Nigeria

Onyekwere, Anita Ogochukwu; Rey, Olivier; Nwanchor, Monday Chukwu; Alo, Moses Nnaemeka; Angora, E.K.; Allienne, Jean‐François; Boissier, Jérôme

doi:10.1016/j.parepi.2022.e00255

Cited by 17 publications

(26 citation statements)

References 33 publications

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“…Our results are supported by Geleta et al and Angora et al [ 15 , 25 ], which show that "farmer" as a parental profession was significantly associated with increased frequency of the disease. However, our findings are in contrast to those reported by Onyekwere et al [ 13 ], where, in Nigeria, no significant association was reported between occupation and infection status. In our study, it is not surprising that the children of trading parents were as infected as children of peasants because in Mali people carry out several activities at the same time and could be traders, fishermen or peasants.…”

Section: Discussioncontrasting

confidence: 99%

“…However, each sex typically has either a domestic or recreational activity that draws them to the water. This result is similar to that reported by Dabo et al [ 10 , 22 ], whose study included villages in the same area as those in the present study, for younger children [ 13 ]. These results are in contrast to Ezeh et al [ 14 ], who reported that women had a higher prevalence of the disease than their male counterparts.…”

Section: Discussionsupporting

confidence: 93%

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Ultrasound aspects and risk factors associated with urogenital schistosomiasis among primary school children in Mali

et al. 2023

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Background Urogenital schistosomiasis is endemic in Mali and is a major cause of serious morbidity in large parts of the world. This disease is responsible for many socio-economic and public health issues. The aim of this study was to investigate the impact of the disease on morbidity and to describe demographic and socioeconomic factors in relation to the status of children with urogenital schistosomiasis in Mali. Methods We conducted a cross-sectional study in November 2021 of 971 children aged 6 to 14 years selected at random from six schools in three districts in the Kayes Region of Mali. Demographic and socioeconomic data were collected on survey forms. Clinical data were collected following a medical consultation. Hematuria was systematically searched for through the use of strips. The search for Schistosoma haematobium eggs in urine was done via the filtration method. The urinary tract was examined by ultrasound. Associations between each of these variables and disease infection were tested using multivariate logistic regression. Results The overall prevalence of urinary schistosomiasis detected was 50.2%. The average intensity of infection was 36 eggs/10 ml of urine. The associated risk factors for urogenital schistosomiasis showed that children who bathed, used the river/pond as a domestic water source, and who habitually urinated in the river/pond were more affected (P < 0.05). Children with farming parents were most affected (P = 0.032). The collection of clinical signs revealed that boys had more pollakiuria (58.6%) and dysuria (46.4%) than girls. Ultrasound data showed that focal lesion rates were recorded in all villages with the lowest rate in Diakalel (56.1%). Ultrasound and parasitological findings showed that irregularity and thickening were strongly associated with urinary schistosomiasis (P < 0.0001). Conclusions Schistosoma haematobium infection was still endemic in the study site despite more than a decade of mass treatment with praziquantel. However, the high percentage of symptoms associated with high intensity reinforces the idea that further studies in terms of schistosomiasis-related morbidity are still needed.

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Section: Discussioncontrasting

confidence: 99%

Section: Discussionsupporting

confidence: 93%

Ultrasound aspects and risk factors associated with urogenital schistosomiasis among primary school children in Mali

et al. 2023

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“…The in uence of the host sex on urogenital schistosomiasis infection shows contrasting results with previously reported data. Female was observed to be more infected compare to male in Bandanyenje region (Zimbabwe) (22), the opposite was observed in Oromia regions (Ethiopia) (23) and no difference was observed in Kayes region (Mali) (21) or in South Nigeria (13). The effect of patient's sex on schistosome prevalence was recently reviewed and statistically analyzed using meta-analytical approach (24).…”

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…At individual level, since schistosomiasis is transmitted through contact with contaminated freshwater, anthropogenic factors are important to fully understand the transmission of the pathogen. These anthropogenic factors are usually assessed through questionnaire referencing both socioeconomic and sociodemographic parameters (13,14).According to WHO recommendations, ultrasound is an excellent method for obtaining information concerning the changes that occur on the internal organs after schistosomiasis infection (15). The prevalence and severity of pathological changes detected by ultrasound correlate with the intensity of infection, as measured by the frequency and quantity of eggs excreted in the urine (15).…”

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confidence: 99%

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Risk factors and ultrasound aspects associated with Urogenital Schistosomiasis among primary school children in Mali (West Africa)

Agniwo

Bakary

Diakité

et al. 2022

Preprint

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Background:Urogenital schistosomiasis is endemic in Mali and a major cause of morbidity in large parts of the world. It is of great socioeconomic and public health importance and has important consequences. The aim of our work was to study the risk factors and ultrasound aspects associated with urogenital schistosomiasis. Methods: We conducted a cross-sectional study in November 2021 with 971 children aged 6 to 14 years randomly recruited in six schools in three districts in the Kayes region. Demographic, socioeconomic and clinical data were collected. Hematuria was systematically searched by strips and Schistosoma haematobium eggs in urine detected by the filtration method. The urinary tract was examined by ultrasound. Associations between each of these variables and disease infection were analyzed using multivariate logistic regression. Results: The overall prevalence was 50.2% with an average intensity of 36 eggs (1 to 1020 eggs)/10mL of urine. Urogenital schistosomiasis infection did not vary according to sex or age group. There is no correlation between risk factors and the urogenital schistosomiasis infection. Hematuria was strongly associated with urogenital schistosomiasis infection (p<0.0001). Among the 240 children who participated to the ultrasound examinations, focal lesion on bladder was observed, while ultrasound findings of the urethra and kidneys revealed a very low rate of dilatation. Conclusion: This work shows that parasitological findings and ultrasound signs, especially bladder lesions, were strongly associated with urinary schistosomiasis (p<0.0001). Despite of mass drug administration based on Praziquantel urogenital schistosomiasis infection is still endemic in the study site.

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Geospatial Mapping and Seasonal Profiling of Urinary Schistosomiasis in Ase-Niger River Settlements: A Data-Driven Population-Base Study in Delta State, Nigeria

Ito,

Babalola,

Balogun

et al. 2024

Acta Parasit.

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Prevalence and risk factors associated with urogenital schistosomiasis among primary school pupils in Nigeria

Cited by 17 publications

References 33 publications

Ultrasound aspects and risk factors associated with urogenital schistosomiasis among primary school children in Mali

Ultrasound aspects and risk factors associated with urogenital schistosomiasis among primary school children in Mali

Risk factors and ultrasound aspects associated with Urogenital Schistosomiasis among primary school children in Mali (West Africa)

Geospatial Mapping and Seasonal Profiling of Urinary Schistosomiasis in Ase-Niger River Settlements: A Data-Driven Population-Base Study in Delta State, Nigeria

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