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In a case of mineral oil pneumonia, the amount of liquid paraffin expectorated daily was measured for 233 days during an observation period of 17 months with a gas-liquid chromatographic technique. This amount ranged from 4. 1 mg to 79. 5 mg daily, with a total of 7. 27 g. Treatment with scheduled coughing spells and expectoration alone (7 times/day for 10 min each) proved to be as effective for the expectoration of mineral oil as supporting treatment with various expectorants given orally and in the form of aerosols. The chemical results, correlated to follow-up pulmonary function studies, indicate normalization of the initial, severely restricted function. These results indicate that scheduled coughing spells and expectoration can improve the prognosis of patients with chronic mineral oil pneumonia. |
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