What question did this study set out to answer?

To measure average parenchymal air space dimensions using aerosol persistence half-life across coal miners with different radiographic stages of pneumoconiosis.

March 1, 1979

Pulmonary air space size in coal miners.

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To measure average parenchymal air space dimensions using aerosol persistence half-life across coal miners with different radiographic stages of pneumoconiosis.
Assessed 127 underground coal miners classified by radiographic findings into category 0 (no pneumoconiosis, n=35), type q micronodular pneumoconiosis (n=34), and type p pinhead pneumoconiosis (n=58).
Calculated aerosol persistence half-life (t½) using a 0.55 μm monodisperse aerosol during breath holding alongside lung volumes, maximal expiratory flow, airway resistance, and single-breath carbon monoxide diffusing capacity.
Miners with type p and type q simple pneumoconiosis demonstrated no statistically significant differences in age, height, total lung capacity, forced vital capacity, or forced expiratory volume ratios.

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Implication

Observational study evaluates pulmonary air space dimensions in underground coal miners, indicating aerosol half-life as a probe for lung architecture.

Cite This Study

Hankinson et al. (1979) studied this question.

synapsesocial.com/papers/6aae0bed020104ad53f83cb7 https://doi.org/10.1164/arrd.1979.119.3.391

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Implication

Observational study evaluates pulmonary air space dimensions in underground coal miners, indicating aerosol half-life as a probe for lung architecture.

Pulmonary air space size in coal miners.

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Discussion

Implication

Cite This Study

Pulmonary air space size in coal miners.

Key Points

Discussion

Implication

Cite This Study

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