CLOSURE OF TUBERCULOUS PULMONARY CAVITIES

Abstract
The intention of this paper is to present the use of lung rest, as achieved in the immobilizing lung chamber, as an alternative procedure to bed rest, pneumothorax or thoracoplasty in suitable cases of cavitary pulmonary tuberculosis. In 1940, residence in the immobilizing lung chamber was shown to provide a normal pulmonary ventilation without discernible motion of the chest or diaphragm and also with disappearance of the voluntary impulse to breathe; it was evident that a degree of lung rest of both lungs and the laryngotracheobronchial tree had been produced which had been impossible of accomplishment with bed rest or other procedures previously used in the treatment of pulmonary tuberculosis.1The early encouraging results of this principle of therapy in bilateral advanced disease were then described.2Since that time, clinical reports have appeared which indicate that the maintenance of this type of lung rest for a period of

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