Pulmonary consumption, a nervous disease : considered as such from a practical, a clinical, and a therapeutic standpoint / by Thomas J. Mays.

Date:
1891
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Licence: Public Domain Mark

Credit: Pulmonary consumption, a nervous disease : considered as such from a practical, a clinical, and a therapeutic standpoint / by Thomas J. Mays. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.

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    the experimental evidence. It has been abundantly- demonstrated that section of, or injury to the vagi of animals is followed by a broncho-pneumonia which can barely be distinguished from catarrhal pneumonia in man. Michaelson [Beitrdge zur Untersuchung der jEinflusses Beiderseitiger Vagusldhmung auf die Lungen, von Wittich's Konigsberger Physiologische Metthei- lungen, 1878, S. 85), concludes from his own re- searches that bilateral vagotomy is followed by de- generation in the upper lobes, consisting of oedema,, hyperaemia, often of splenization, haemorrhages, and emphysema—all the elements of catarrhal pneu- monia, which frequently becomes cheesy. Prof. Schiff also succeeded in developing both hepatization and tuberculization in the lungs of rabbits by the same method as has been stated on a previous page. In a series of experiments of this kind, which I performed last winter, I found yellow tuberculization in one in- stance in a rabbit's lungs. The pathological condition which is thus pro- duced has been denominated schluck pneumonia. in the belief that the pneumonia is brought about by the entrance of mucous, and of particles of food, into the trachea and bronchi of animals in consequence of the paralysis of the pharynx and larynx which is set up by the operation. This does not seem to be true, however, for Arnsperger [Virchoius ArcMv., vol. ix, pp. 197 and 437) has shown that if, after section of the nerves, a tube is inserted in the trachea, and the-