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- W4239236722 abstract "Abstract Background: Allergic diseases are considered to be some of the fastest growing chronic conditions in Africa. Of concern is the paucity of knowledge about the local environment and its role in allergic disease development. In response to this, we explored whether Imbrasia belina , a popular indigenous edible insect commonly known as mopane worm, is a potential allergen of clinical and public health significance in Zimbabwe. This study was intended to assess the plausibility and feasibility of this hypothesis with a view to evaluate the insect’s health impact in a larger study. Methods: The study participants included both male and female villagers aged 10 years and above in Gwanda district, Zimbabwe. Eligible participants who completed the household questionnaire were referred to the local clinic for skin prick tests and to measure lung function and allergic airway inflammation. Allergen sensitization patterns were evaluated using 10 different inhalant allergen extracts including an in-house preparation of mopane worm. Lung function was measured with a Koko Legend spirometer and fractional exhaled nitric oxide levels (FeNO) (NIOX VERO) were measured in participants with at least one abnormal spirometric parameter. Data was analysed using Stata version 13 software. Results: Of the 46 eligible participants that completed the household questionnaire, 17 went to the clinic giving a response rate of 37%. Majority who completed the questionnaire were adults (91%) and the children (9%) were all female. The prevalence of sensitization to Imbrasia belina was 50% and the prevalence ranged from 22% to 72% for the other allergens including cockroach, mosquito and house dust mites. The data collection tools were safe and well tolerated by participants with no adverse events reported. Self-reported respiratory symptoms, abnormal lung function and elevated FeNO were recorded amongst participants sensitised to mopane worm. Conclusion: Pre-defined feasibility criteria were met with the exception of a lower than expected response rate for clinic data collection in this pilot study. For the main study, an increase in the sample size and more consistent community engagement will be applied to improve the response rates." @default.
- W4239236722 created "2022-05-12" @default.
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- W4239236722 date "2020-11-05" @default.
- W4239236722 modified "2023-10-16" @default.
- W4239236722 title "A Feasibility Study to Assess Imbrasia Belina (Mopane Worm) Sensitisation and Related Respiratory Health Outcomes in a Rural Community in Gwanda District, Zimbabwe" @default.
- W4239236722 doi "https://doi.org/10.21203/rs.3.rs-101766/v1" @default.
- W4239236722 hasPublicationYear "2020" @default.
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