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1. 1. An outline of conditions which may require pulmonary resection is presented. 2. 2. Serious cardiac disease, borderline ventilatory function, advanced age or a combination of factors that combine to form the so-called “poor surgical risk” may preclude surgical intervention. 3. 3. Brief comments relative to the disease processes outlined are made.

Nach kurzer Besprechung der Geschichte der Dekortikation mit den ersten operativen Versuchen durchDelorme wird die Indikation zur extrapleuralen Dekortikation auf Grund genugender Erfahrungen festgelegt, die Operationstechnik kurz beschrieben und an Hand von zwei typischen Fallen der Verlauf geschildert. Die Methode der extrapleuralen Dekortikation brignt uns eine wesentliche Bereicherung der operativen Behandlungsmethoden der Lungentuberkulose, insbesondere aber des Empyems spezifischer und unspezifischer Natur. Auch bei innerer und auserer Fistel haben wir heute die Moglichkeit, nach entsprechender Vorbehandlung von thorakoplastischen Masnahmen Abstand zu nehmen und mit Hilfe der Dekortikation eine Wiederherstellungsoperation durchzufuhren.

1. 1. Pulmonary resection with mitral stenosis is discussed and its tolerability determined. 2. 2. The nature of pulmonary hypertension is discussed. 3. 3. The results of obstructing one pulmonary artery in a patient with mitral stenosis are presented.

Athorough knowledge of bronchial anatomy is a prerequisite for proper diagnosis and localization of pulmonary lesions. Advances in thoracic surgery in recent years have stimulated the publication of numerous detailed studies of the bronchial anatomy and its variations (1, 5, 6, 8, 30); as yet, however, there has been no over-all survey of bronchial distribution after pulmonary resection. The need for such a survey became apparent to us when we encountered difficulties in reviewing a series of postoperative bronchograms. We found that individual bronchial identification was not always clear and that the causes of postoperative bronchiectasis, which occurred in some cases and not in others, were not immediately apparent. We therefore studied our bronchographic material with the following questions in mind: 1. Is there a definite and predictable pattern of spatial bronchial rearrangement following segmental resection or lobectomy?2. If so, what factors prevent or modify such rearrangement?3. Does bronchial r...