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Epidemiological investigation of Kaschin-Beck disease prevention and control in Fu County, Shaanxi Province from 1954 to 2022 / 中华地方病学杂志
Chinese Journal of Endemiology ; (12): 216-221, 2023.
Article in Chinese | WPRIM | ID: wpr-991608
ABSTRACT

Objective:

To analyze the prevention and treatment of Kaschin-Beck disease in Fu County, Shaanxi Province, so as to provide basis for consolidating the results of Kaschin-Beck disease prevention and control and the treatment of patients with Kaschin-Beck disease.

Methods:

The epidemiological investigation of data and clinical data Kaschin-Beck disease from 1954 to 2022 were collected from the Fu County Institute for Endemic Disease Prevention and Control and People's Hospital of Fu County in Shaanxi Province, respectively. The retrospective study was used to investigate the prevention and control of Kaschin-Beck disease in Fu County through the adoption of comprehensive measures such as relocation, grain exchange, water improvement, conversion of farmland to forest and so on.

Results:

In 1954, there were 6 endemic townships and 127 endemic villages of Kaschin-Beck disease in Fu County, with a total population of 78 781. A total of 16 327 patients with Kaschin-Beck disease were detected by X-ray examination, with a detection rate of 20.72%, including 5 434 patients without clinical symptoms. There were 5 850 patients with clinical grade Ⅰ, 3 725 patients with clinical grade Ⅱ and 1 318 patients with clinical grade Ⅲ. In 1975, the first general survey of Kaschin-Beck disease was conducted in the whole county, with a total population of 101 341. A total of 9 575 patients with Kaschin-Beck disease were detected by X-ray examination, with a detection rate of 9.45%, including 3 247 cases without clinical symptoms. Among the patients with symptoms, there were 3 704 cases of clinical grade Ⅰ, 2 006 cases of clinical grade Ⅱ and 618 cases of clinical grade Ⅲ. The patients with Kaschin-Beck disease were mainly local residents, accounting for 93.92% (8 993/9 575). In 1997, 27 320 students aged 7 to 16 years in 342 schools of 15 townships were examined and found that there were 169 cases without clinical symptoms with X-ray changes, only 2 cases with clinical grade Ⅰ, and the detection rate decreased to 0.63%. In 1997, Fu County began to encourage relocation and grain exchange to prevent Kaschin-Beck disease. The relocation targets were mainly the seriously ill villages with new cases among children and poor living conditions. By 1999, a total of 100 households and 469 people were relocated, and by 2020, 1 569 households and 5 334 people were relocated. In 1997 and 1998, measures were taken to improve water quality in 43 natural villages in 6 townships, with 1 591 households and 7 375 people benefiting. In 2010, a general survey of Kaschin-Beck disease was conducted in 15 townships of Fu County, with a total population of 135 858, and 3 424 patients with Kaschin-Beck disease were detected by X-ray examination, with a detection rate of 2.52%. There were 2 885 cases with clinical symptoms, including 1 584 cases with clinical grade Ⅰ, 1 024 cases with clinical grade Ⅱ and 277 cases with clinical grade Ⅲ. Among them, 32 561 minors under 16 years old were examined, and 49 patients with Kaschin-Beck disease were detected by X-ray examination, with a detection rate of 0.15%, and all of them were clinical gradeⅠ patients. In 2014, a total of 73 600 people were surveyed in 170 endemic villages of Fu county, and 2 885 patients with Kaschin-Beck disease were detected by X-ray examination, with a detection rate of 3.92%. Compared with 2010, the number of patients with Kaschin-Beck disease increased zero, and there were no underage patients under the age of 16 for 4 consecutive years. By the end of 2016, 666.67 hm 2 of farmland had been converted to forest in Fu County, involving 9 townships (including communities), 33 administrative villages and 1 993 households. In 2018, another general survey of Kaschin-Beck disease was conducted in Fu County, with a total population of 157 362. A total of 2 308 patients were detected by X-ray examination, with a detection rate of 1.47%. Among them, there were 1 270 cases of clinical grade Ⅰ, 870 cases of clinical grade Ⅱ and 168 cases of clinical grade Ⅲ, and there were no patients with Kaschin-Beck disease under 16 years old in the county for 8 consecutive years (2011-2018). In the same year, 22 cases of Kaschin-Beck disease joint replacement were completed in Fu County, and by January 2022, about 60 cases had completed joint replacement.

Conclusion:

The prevention and control of Kaschin-Beck disease in Fu County has achieved remarkable results through comprehensive measures such as relocation, grain exchange, water improvement and conversion of farmland to forest.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Endemiology Year: 2023 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Chinese Journal of Endemiology Year: 2023 Type: Article