Vital Capacity Measurements in Cornish Tin-miners

Garrad, Jessie

doi:10.1136/oem.6.4.221

Cited by 3 publications

(1 citation statement)

References 9 publications

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“…Garrad (1949) using the vital capacity, investigated Cornish tin-miners. More modem tests, including the maximum breathing capacity test and gas distribution and transfer estimations, have been utilized by Motley, Lang, and Gordon (1949) and Gilson, Hugh-Jones, Oldham, and Meade (1955) on miners with varying degrees of disability.…”

Section: Respiratory Function In Alkali Workersmentioning

confidence: 99%

Respiratory Function and Disease among Workers in Alkaline Dusts

Chivers

1959

Occupational and Environmental Medicine

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Little is known of the possible effects of sodium carbonate dust on the lower respiratory passages. A large alkali industry, with a number of works, was used for an investigation of lime and soda ash dusts evolved during the process. The physical and chemical characteristics of these dusts and details of the type of work and environmental conditions are described. In 1954 and 1956 a survey was made of respiratory sickness absence, chest radiographic appearance, and respiratory function in workers employed in areas with exposure to soda ash, lime dust, and no dust. All were interrogated about their smoking habits. In 1954 there was found to be a significant reduction in expiratory flow rate of workers in dusty jobs in soda ash compared with the group not exposed to dust but this result was nullified in a random sample group in 1955 and in full groups in 1956. Respiratory sickness absence was found to be slightly greater in workers in dusty occupations, particularly in lime dust. No pneumoconiosis was detected on miniature films. The survey of smoking habits revealed that smoking was associated with a definite decrease in the expiratory flow rate, particularly after the age of 40 in heavy smokers. It was concluded that smoking habits played a more important part than alkaline dusts in the reduction of respiratory efficiency as measured by a study of sickness absence and performance of a simple spirometric test.

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Section: Respiratory Function In Alkali Workersmentioning

confidence: 99%

Respiratory Function and Disease among Workers in Alkaline Dusts

Chivers

1959

Occupational and Environmental Medicine

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Observations on Routine Medical Examinations of University Entrants in Northern Ireland

Johnston¹,

Cheeseman²,

Merrett³

1957

Journal of Epidemiology & Community Health

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Sitting Height.-Measurement is made, to the nearest cm., with a sliding horizontal cursor on a vertical scale, which is fixed to the back of a small metal chair with a level seat. Students sit as erect as possible, looking straight ahead at eye level. Chest Girth.-The chest is uncovered and measurement is made, to the nearest cm., with a tailor's measuring tape. The upper edge of the tape is put at the level of the fourth costo-chondral joint and the lower edges of 152 by copyright.

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A study of the mortality of Cornish tin miners.

Fox¹,

Goldlbatt²,

Kinlen³

1981

Occupational and Environmental Medicine

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Increased mortality from cancer of the lung has been found in several studies of miners exposed to high levels of radioactivity in underground air. In view of their exposure to raised levels of radiation, we have studied the mortalitv of a group of men recorded as Cornish tin miners in 1939. Using occupational description, a crude classification of exposure was derived for these miners. The meaningfulness of this classification was supported by differences in mortality from silicosis and silicotuberculosis. A twofold excess of cancer of the lung was found for underground miners, while for other categories mortality from this cause was less than expected. This supports the findings of previous studies on exposure to radon and its daughters. An excess of cancer of the stomach was also observed among underground miners.Metalliferous miners exposed to high levels of radioactivity, such as uranium miners in Colorado' and Czechoslovakia2 and Newfoundland fluorspar miners,3 have been shown to have increased mortality from lung cancer. The only British study of such a group concerns haematite miners in Cumberland.4 As high levels of radon and its daughters have been consistently recorded in tin mines in Cornwall, these studies suggested that it would be useful to look at the health of men working in these mines.Although the National Radiological Protection Board (NRPB)

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Vital Capacity Measurements in Cornish Tin-miners

Cited by 3 publications

References 9 publications

Respiratory Function and Disease among Workers in Alkaline Dusts

Respiratory Function and Disease among Workers in Alkaline Dusts

Observations on Routine Medical Examinations of University Entrants in Northern Ireland

A study of the mortality of Cornish tin miners.

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