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In the presence of large-bullae transformation of the lung parenchyma, resection of bullae may be indicated in the individual case, also in the stage of respiratory decompensation with generalised respiratory failure and right heart failure. The indication for this may be urgent, and the operation may even lead to a long-term improvement in pulmonary function. Two cases histories are presented to illustrate this.

A new operative method of treatment of prolaps of pars membranacea in the region from trachea is reported. One cause of this prolaps is a false breathing mechanism, mainly without respiration through the nose. The reflection of pathogenesis of this special form of asthma, the operative treatment and therapy are described.

The indications, complications and results obtained in asthma bronchiale are described on the basis of 132 thoracal vagotomies according to Kux. The operation was found to be effective in 60% of the patients, without however being able to compare them by means of control examination conducted with a comparative group.