Eventratio diaphragmatica
Abstract
A diaphragmatic eventration is a displacement of abdominal structures into the thoracic cavity, due to weakness and balooning of the diaphragm (Nelson, 1969). In several aspects it has similarities with a diaphragmatic hernia, i.e. the space occupying effects to the lungs, and the sequences of it. An eventration can be divided in 2 groups, the congenital eventration, where the diaphragm is devoid of mucles and only a membrane is separating the abdominal from the pleural cavity; and the acquired one where the phrenic nerve is damaged, usually due to birth injury; but it can also be caused by any other trauma (Bernado et aI., 1961; Bisono et aI., 1970) such as surgical procedures at the time of thoracotomy, the so called iatrogenic  eventration (Jewett et aI., 1964).
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Accepted 2017-03-01
Published 1973-01-30