Background In 2015-2017, poisoning ranks fifth among the top 10 death causes in Shanghai, and acute poisoning prevention and control is becoming more and more grim.
Objective The purpose of this study is to describe the relevant toxicants and epidemiological tendency of reported acute poisoning in Shanghai.
Methods We collected registered acute poisoning case information from Shanghai health information system under Shanghai Information Center for Health, including demographic characteristics and clinic diagnosis. There were totally more than 140 000 cases reported from 2016 to 2018. The distributions of toxicants, victims, and poisoning time were described by year. The incidence tendency was analyzed by chi-square test, focusing on the acute poisoning cases caused by alcohol, drug abuse, and poisonous animals. The space distribution of acute poisoning cases caused by poisonous animals were analyzed by GIS 9.3.1.
Results There was an ascendant tendency in both case amount (40 371 cases in 2016, 49 858 cases in 2017, and 52 279 cases in 2018) and morbidity (1.67‰ in 2016, 2.06‰ in 2017, and 2.16‰ in 2018) of patients who received outpatient service or emergency treatment for acute poisoning from 2016 to 2018 in Shanghai. Alcohol, drug abuse, and poisonous animals were the three main causes of acute poisoning. The morbidity caused by alcohol (from 0.66‰ to 0.88‰) and drug abuse (0.62‰ to 0.95‰) ascended, while that caused by poisonous animals descended year by year (from 0.16‰ to 0.11‰). In the three years, the alcohol poisoning morbidity in men was always higher than that in women in all age groups; the peak of the morbidity was the in the age group from 18 to 59 years for both genders. For drug abuse poisoning morbidity, women's was higher than men's except in the age group under 17 years, and the peak of the morbidity was in the age group over 60 years for both genders. Psychotropic drug abuse was the main cause of drug abuse poisoning in all age groups, especially in the patients older than 18 years where it ranked the first cause in the drug abuse poisoning morbidity category. The main kinds of poisonous animals that caused the acute poisoning cases were unknown arthropods, snakes, and millipedes. Unknown arthropods ranked the first cause in the poisonous animals poisoning morbidity category, and the morbidity descended year by year (P < 0.001). The poisoning cases caused by poisonous animals were mainly distributed in Chongming, Pudong, and Jiading districts.
Conclusion According to the increasing morbidity of acute poisoning cases in Shanghai in this study, it is urgent to take prevention and control actions. We should take different strategies toward different poisoning causes.
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