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—Diseases of the lungs have long been treated by the inhalation of condensed or rarefied air. Waldenberg, of Berlin, was one of the pioneers in this direction, and his apparatus, or some modification of it, by which patients are made to inspire condensed air, is largely used in Germany. At various health resorts —notably, Reichenhall—pneumatic cabinets have been erected with a view to completely immersing the patient in a condensed atmosphere. Reports concerning the efficacy of such contrivances are somewhat conflicting, except in cases of vesicular emphysema and chronic bronchitis, where great benefit is often derived. The physiological effects of such treatment are pretty well understood, and are recognized to be essentially the same as those of a prolonged and forcible inspiration of air at ordinary pressure. Indeed, to supply condensed air, or in other words, air at an increased pressure, to an individual incapable of respiring effectively, is but
A New Method of Treating Pulmonary Complaints.. JAMA. 1885;IV(7):181-182. doi:10.1001/jama.1885.02390820013003