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1.
Ann. afr. méd. (En ligne) ; 16(2): 5031-5041, 2023. figures, tables
Article in English | AIM | ID: biblio-1425717

ABSTRACT

Context and objective. Chronic dietary reliance on improperly processed cyanogenic toxic cassava is widespread in sub-Saharan Africa. The objective of the present study was to screen for neurocognition impairments and daily-life functioning in adults with dietary dependency on cyanogenic cassava as the main source of food. Methods. A cross-sectional design enrolled heads of households (in couples) in the rural district of Kahemba, Democratic Republic of Congo. Participants were screened for neurocognitive impairments using the Community Screening Interview for Dementia (CSID). Detailed neuropsychiatric evaluations were performed and disease entities classified according to the Diagnostic and Statistical Manual of Mental Disorders (DSM IV) criteria when applicable. Cassava cyanogenic exposure was ascertained by urinary concentrations of thiocyanate (SCN). Regression models were used to identify predictors of CSID performance at the 0.05 significance level. Results. For hundred and six households (203 couples, mean age 38.4 ± 11. 4 years) were involved. One hundred thirty-six subjects (33.5 %) [69 women and 67 men, mean age 39 ± 14.4 years)] and 13 (3.2 %) [7 women and 6 men, mean age: 32 ± 2.6 years] fulfilled the criteria for mild cognitive impairment (MCI) and Major Neurocognitive disorder (MNCD), respectively. The overall mean urinary concentration of SCN was 949.5+518.3 mol/l after adjusting Context and objective. Chronic dietary reliance on improperly processed cyanogenic toxic cassava is widespread in sub-Saharan Africa. The objective of the present study was to screen for neurocognition impairments and daily-life functioning in adults with dietary dependency on cyanogenic cassava as the main source of food. Methods. A cross-sectional design enrolled heads of households (in couples) in the rural district of Kahemba, Democratic Republic of Congo. Participants were screened for neurocognitive impairments using the Community Screening Interview for Dementia (CSID). Detailed neuropsychiatric evaluations were performed, and disease entities classified according to the Diagnostic and Statistical Manual of Mental Disorders (DSM IV) criteria when applicable. Cassava cyanogenic exposure was ascertained by urinary concentrations of thiocyanate (SCN). Regression models were used to identify predictors of CSID performance at the 0.05 significance level. Results. For hundred and six households (203 couples, mean age 38.4 ± 11. 4 years) were involved. One hundred thirty-six subjects (33.5 %) [69 women and 67 men, mean age 39 ± 14.4 years)] and 13 (3.2 %) [7 women and 6 men, mean age: 32 ± 2.6 years] fulfilled the criteria for mild cognitive impairment (MCI) and Major Neurocognitive disorder (MNCD), respectively. The overall mean urinary concentration of SCN was . for age, gender, nutritional status, and history of konzo, neurocognition domain-specific deficits were independently associated with either hypertension or USCN (350mol / l incremental increase in excretion Functional impairments in daily-life activities increased as subjects poorly performed at the CSID screening (Spearman r = - .2, p < 0.01). Conclusion. Neurocognitive deficits in adults are common in Congolese adults relying on cyanogenic cassava as the main source of food. Our study findings warrant further studies to elucidate the overall lifespan brain/behavioral burden and mechanisms of cassava toxicity among adults with dietary dependency on cyanogenic cassava as the main source of food


Subject(s)
Humans , Starch and Fecula , Hypertension , Periodicity , Cognitive Dysfunction
2.
Article in English | IMSEAR | ID: sea-164559

ABSTRACT

Objectives: Since 2002, mass campaigns have been held twice-yearly to reach children 6-59 months with vitamin A supplementation (VAS) and deworming, with coverage consistently over 80% in the majority of DR Congo's 515 health zones (HZ). However, between 2006-2010, 25 HZ achieved coverage <80% in at least 4/10 rounds, and were selected for formative research to identify barriers and motivators to receipt of VAS and inform delivery strategy. Methods: Based on the formative research findings, a communication strategy was implemented to address barriers (husband disapproval, rumors, access to services) and motivators (will of God, self-motivation) in six low-performing HZ. A post-event coverage survey was conducted in December 2012 after two rounds of implementation using a WHO EPI methodology 30x30 cluster design to evaluate the effectiveness of these activities and identify remaining barriers to receipt. Results: Eighty-five percent of caretakers reported their child received VAS during the last campaign (n=909) compared with administrative coverage of 104% and previous round administrative coverage of 72.8%. The primary sources of campaign information were town criers (65%), television (40%) and radio (40%). The most commonly cited reason for not receiving VAS was that the caretaker or child was not home when the distributors passed (37%). Conclusions: Use of criers and television/radio spots broadcast in local languages were most effective in increasing awareness of the campaigns. Both community and national radio and television stations played a variety of communication advertisements prior to and during the campaign, which helped achieve coverage of over 80% to meet child mortality reduction guidelines.

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