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根据体内微量元素能祛自由基、抗脂质过氧化，从而达到保护细胞膜的功能，采用测定发中微量元素Zn、Cu、Se、Ni、Fe、Mn、Mg、Ca的含量，用非参数判别方法，能在3～5年前，预测矽肺的发生。以120名I期矽肺作标准，对175名0+期的接尘工人作判别分析，预测出30名为I期病人，经拍片得到证实已到I期或接近I期。第二年拍片后，有23人被诊断组定为I期矽肺，尚有7人作追踪观察。这给尘肺诊断组提供了可靠、客观的辅助性诊断资料，为基层的早期防治提供科学依据。同时对263名接尘工人作前瞻分析，结果符合现场情况。
According to the trace elements in the body can remove free radicals, anti-lipid peroxidation, so as to protect the cell membrane function, determination of the hair content of trace elements Zn, Cu, Se, Ni, Fe, Mn, Mg, Ca, Method, in 3 to 5 years ago, predict the occurrence of silicosis. A total of 120 stage I silicosis patients were used to make a discriminant analysis on 175 stage 0 + dust-exposed workers. It was predicted that 30 cases were stage I patients, and the film confirmed that they had reached stage I or close to stage I. After the filming the following year, 23 people were diagnosed as stage I silicosis by the diagnostic team and 7 were followed up. This provides a reliable and objective auxiliary diagnostic data for the pneumoconiosis diagnosis group, which provides a scientific basis for the early prevention and treatment of grass-roots units. At the same time, 263 dust-exposed workers made a forward-looking analysis, the results in line with the scene.