Monitoring results of drinking water-borne endemic fluorosis in Fuzhou from 2017 to 2019

CAO Xiang-yu; XU You-qiong; LIAO Dong-dong

doi:10.16462/j.cnki.zhjbkz.2021.09.018

Volume 25 Issue 9

Oct. 2021

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CAO Xiang-yu, XU You-qiong, LIAO Dong-dong. Monitoring results of drinking water-borne endemic fluorosis in Fuzhou from 2017 to 2019[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2021, 25(9): 1097-1101. doi: 10.16462/j.cnki.zhjbkz.2021.09.018

Citation:

CAO Xiang-yu, XU You-qiong, LIAO Dong-dong. Monitoring results of drinking water-borne endemic fluorosis in Fuzhou from 2017 to 2019[J]. CHINESE JOURNAL OF DISEASE CONTROL & PREVENTION, 2021, 25(9): 1097-1101. doi: 10.16462/j.cnki.zhjbkz.2021.09.018

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Monitoring results of drinking water-borne endemic fluorosis in Fuzhou from 2017 to 2019

doi: 10.16462/j.cnki.zhjbkz.2021.09.018

Department for Endemic and Chronic Diseases Prevention and Control, Fuzhou Center for Disease Control and Prevention, Fuzhou 350004, China

Funds:

Fuzhou Health Science and Technology Project 2019-S-wp5

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Corresponding author: CAO Xiang-yu, E-mail: fzcxyu@126.com
Received Date: 2021-01-28
Rev Recd Date: 2021-03-18

Available Online: 2021-10-23

Publish Date: 2021-09-10

Abstract

Abstract

Objective To understand the effect of the prevention measures and the trend of drinking water-borne endemic fluorosis in Fuzhou, so as to provide basis for the timely adjustment of the prevention measures. Methods To investigate the situation of water improvement and the operation of water improvement projects in allepidemic villages of the city, and to determine the fluorine content in water. Three villages were randomly selected as fixed monitoring villages in each monitored county. All children aged 8- < 13 in the villages were examined for dental fluorosis. Urinary fluoride in adults aged over 25 were detected in 2019. Results A total of 11 water improvement projects were investigated from June 2017 to June 2019. All water improvement projects were in normal operation. The range of fluoride in water was 0.05-0.76 mg/L, and the qualified rate of fluorine in water was 100%. A total of 1 346 children (times) aged 8- < 13 years were examined from 2017 to 2019. The detection rate of dental fluorosis was 1.26% and fluorosis community index was 0.03. From 2017 to 2019, the detection rate of dental fluorosis were 1.75%, 1.40% and 0.67% respectively, and the difference between different years was not statistically significant (χ² =2.062, P=0.357). The cases of dental fluorosis in children from 2017 to 2019 were all concentrated in Minhou County, with the detection rates of 21.21%, 17.95% and 13.04%, respectively, and the difference between different years was not statistically significant (χ² =0.616, P=0.700). The detection rate of dental fluorosis among children aged from 8- < 13 were 4.55%, 18.18%, 20.00%, 20.00% and 27.27%, respectively, and the difference was not statistically significant (χ² =4.499, P=0.346). The detection rate of dental fluorosis between boys and girls were 27.66% and 8.33% respectively, and the difference was statistically significant (χ² =6.037, P=0.014). A total of 450 samples of adult urine fluoride were detected in 2019, with a range of 0.04-3.76 mg/L and a geometric mean of 0.80 mg/L. Conclusions The effect of changing water supply and reducing fluorine in Fuzhou to prevent drinking water endemic fluorosis is good. Dynamic monitoring should be strengthened to continuously consolidate the effectiveness.
- Drinking water,
- Fluorosis,
- Monitoring

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References(8)

References

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