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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: [A study on the thermographic diagnosis of vibration disease of tie-tamper operators in the Japanese National Railways].
    Author: Hirahata H.
    Journal: Sangyo Igaku; 1984 Jan; 26(1):22-31. PubMed ID: 6090740.
    Abstract:
    There have been many studies of thermographic diagnosis of vibration disease, but few of them seem to have discussed tie-tamping machines as a cause. This study focuses on thermographic diagnosis of vibration disease in tie-tamper operators of the Japanese National Railways. In the diagnosis the subject's both hands were immersed in water at 10 degrees C for 3 minutes before being examined. Variables such as season, age, type of vibration tool used and total operating time were considered. These were selected as outside variables and thermographic results as dependent variables, in Quantification Method II. Season and confirmation of vibration disease were found to have a relationship to thermographic scaling, but no such relationship was found for age, type of vibration tool used, or total operating time. A cross-analysis of variables confirmed the relationship with season, and revealed that there were fewer confirmed cases of vibration disease in spring and summer than in fall and winter. It was finally concluded that thermographic analysis is more reliable in colder weather.
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