[Hydrothorax of hepatic origin. Description of a clinical case, pathophysiology].

We admitted a 60 year old patient with severe right hydrothorax. He was known to suffer from decompensated non-alcoholic cirrhosis. His invaliding dyspnea was only temporarily improved by repeated thoracocentesis, due to the very rapid refilling of the thorax from the ascites; until the development of a "tension hydrothorax" with dangerous mediastinal deviation. By insertion a peritoneo-venous shunt described by LeVeen the clinical picture was improved, and the patient no longe required further pleural aspiration. Six per cent of cases of ascites complicating hepatic cirrhosis may be associated with hydrothorax of the same origin. The diaphragm is normally perforated by a multitude of tiny virtual holes, closed by the peritoneum and the thoracic pleura. The high intra-abdominal pressure in ascites tears these fragile membranes, and allows the peritoneal fluid to overflow into the pleural cavity. Usually treated by fluid restriction and diuretics, when this condition becomes intractable or when a tension hydrothorax appears, interfering with respiratory function a LeVeen peritoneo-venous shunt should be inserted.