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Silicosis in the iron-ore mine in Kiruna, Sweden, and the future need for silicosis control

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Summary

From 1931 to 1977 a total of 144 cases of silicosis have been diagnosed in the iron-ore mine in Kiruna, Sweden. Drilling, loading and tapping caused all cases of silicosis. In 24% of the cases, the disease had progressed after the diagnosis. The progression of the disease after diagnosis showed no significant correlation to the length of the exposure but a dose-response relationship was present between the cumulative quartz exposure and the stage of silicosis 20 years after the diagnosis. Signs of tuberculous infection were found in 17%. There was a significant relationship between tuberculosis and progression of the silicosis. Mortality was increased in association with silicosis stage II–III and in stages with concomitant tuberculous infection. Half of the cases of silicosis had been diagnosed before 1942, and after 1960 no more cases in stages II or III were diagnosed. The mean concentration of respiratory quartz was approximately 0.8 mg/m3 in the 1950s and early 1960s and decreased progressively to below 0.05 mg/m3 in the late 1970s. The cumulative incidence rate, with respect to the decade in which the exposure began, was 0.021% in 1951–1960. With an unaltered dose-response, less than one case of silicosis per 500 workers may be expected among those who start working underground in the 1980s. Evidently silicosis is no longer a major health risk among those who start working underground in this mine today, and it is recommended that the 40-year-old regulations for the medical prevention of silicosis be revised.

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References

  1. 1.

    Ahlmark A, Bruce T, Maasing R, Westerholm P (1978) Silikossjukdomens mortalitet. Läkartidningen 75:3072–3074

  2. 2.

    Ahlmark A, Bruce T, Nyström Å (1960) Silicosis and other pneumoconiosis in Sweden, Norstedts, Stockholm

  3. 3.

    Ahlmark A, Bruce T, Nyström Å (1960) Prognostic implications for pneumoconiosis of removal from dusty environment. In: Proceedings of the 13th International Congress on Occupational Health, New York 1961:653–656

  4. 4.

    Ahhnark A, Gerhardsson L (1981) Sililosen i Sverige sedan 1930. Arbete Och Hälsa 15:3–55

  5. 5.

    Bruce T (1942) Die Silikose als Berufskrankheit in Schweden. Eine klinische und gewerbemedizinische Studie. Acta Med Scand [Suppl] 110:129

  6. 6.

    Bruce T (1967) Silicotuberculosis (with special reference to Swedish condition). In: Proceedings of the International Conference on Tuberculosis, Dresden, 139–146

  7. 7.

    Göthe C-J (1968) Pathogenetic interactions between tuberculous (BCG) infections and silicosis. Stud Laboris Salutis 2

  8. 8.

    Haubrick R (1951) Über die Röntgencharakteristik der Silikosen nach Staubberufen. Fortschr Röntgenstr 74:385–408

  9. 9.

    Hunter J (1971) The diseases of occupations. The English Universities Press Ltd, London, pp 944–945

  10. 10.

    Lawson GB, Jackson WP, Gardner JE (1931) Pneumoconiosis in iron miners. J Am Med Ass 96:1129–1131

  11. 11.

    Norviit L (1964) Die Bedeutung von Primärtuberkulose und anderen Lungeninfektionen für die Entstehung der Silikose. Arch Gewerbepath Gewerbehyg 20:587–603

  12. 12.

    Stewart MJ, Faulds JS (1934) The pulmonary fibrosis of haematite miners. J Pathol Bacteriol 39:223–253

  13. 13.

    Sundell CG (1934) Stendammslunga som yrkessjukdom hos gruvarbetare i Grängesberg och närliggande gruvfält. Sv Läkartidningen 32:369–392

  14. 14.

    US Public Health Service Dept of Health, Education and Welfare and Bureau of Mines (1962) Silicosis in the metal mining industry. Å re-evaluation 1958–1961

  15. 15.

    Westerholm P (1980) Silicosis-observations on a case register. Scand J Work Environ Health [Suppl] 6, 2, 86

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Correspondence to Harold Sihm Jörgensen.

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Jörgensen, H.S. Silicosis in the iron-ore mine in Kiruna, Sweden, and the future need for silicosis control. Int. Arch Occup Environ Heath 58, 251–257 (1986). https://doi.org/10.1007/BF00377882

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Key words

  • Silicosis
  • Mining
  • Iron ore
  • Diesel