GB/T 16395-2011 in English
SUPERSEDEDCriteria for delimitation and classification of Kashin-Beck disease endemic area
- Issued on:2011-12-30
- Implemented on:2012-02-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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本标准规定了大骨节病区判定和病区类型划分的基本要求。
本标准适用于对大骨节病区进行判定和病区类型划分。
Introduction
Overview of the Standards for Determination and Division of Kashin-Beck Disease Areas
National Standard of the People's Republic of China GB 16395-2011 "Standards for Determination and Division of Kashin-Beck Disease Areas" is an important standard for the prevention and control of endemic diseases, which is used to guide the epidemiological investigation, diagnosis and control of Kashin-Beck disease. This standard replaces the original GB 16395-1996 version and was officially implemented on February 1, 2012.
Background of Standard Formulation
Kashin-Beck disease is an endemic disease that seriously affects bone health and mainly occurs in children and adolescents. Its etiology is complex, involving environmental factors, nutritional status and genetics. In order to more scientifically determine and divide endemic areas and standardize the prevention and control of endemic diseases, the Ministry of Health organized the revision of this standard.
Ward determination criteria
| Determination dimensions | Determination basis | Specific requirements |
|---|---|---|
| Epidemic situation | Clinical prevalence of grade 1 or above among local residents | Required to be>5% |
| X-ray examination results | Changes in X-ray films of hands of children aged 7 to 12 years old | There must be multiple cases of symmetrical bone end changes |
Actual case analysis
For example, in a certain area, epidemiological investigations found that 6% of local residents had grade 1 or higher osteomalacia, and the X-ray detection rate of children aged 7 to 12 was as high as 8%. According to the standard, the area should be classified as a mild disease area.
Classification of ward types
| Ward type | Judgment standard | Population census requirements |
|---|---|---|
| Mild ward | Morbidity or X-ray detection rate ≤10% | Clinical examination of no less than 100 people, and the number of children X-ray films no less than 50 people |
| Medium ward | Morbidity or X-ray detection rate>10% and ≤20% | Stratified random sampling survey is required |
| Severe ward | Prevalence or X-ray detection rate>20% | Focus on implementing intervention measures and conduct regular reexaminations |
Description of the basis for division
When dividing ward types, it is necessary to comprehensively consider clinical examination results and children's X-ray examination data. When there is a discrepancy between the two, the children's X-ray examination results shall prevail.
Implementation suggestions
To ensure the effective implementation of the standards, the following measures are recommended:
- Strengthen the publicity and training of knowledge on the prevention and control of endemic diseases
- Establish a regular monitoring and evaluation mechanism
- Promote cross-departmental cooperation and integrate resources
- Formulate targeted prevention and control strategies

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