What is hepatic hydrothorax and how is it managed?

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What is hepatic hydrothorax and how is it managed?

Hepatic hydrothorax is a pleural effusion that occurs in people with cirrhosis and portal hypertension when small defects in the diaphragm let ascitic fluid pass into the pleural space, most often on the right side. The effusion reflects the same portal-hypertension–driven fluid imbalance that causes ascites, rather than a primary lung problem or infection. Management starts with addressing the source. Sodium restriction and diuretics (usually spironolactone with a loop diuretic) are used to reduce ascites and, in turn, the pleural fluid. If the patient has symptoms from the effusion, therapeutic thoracentesis can provide relief, but it should be done cautiously and not relied on as a long-term solution because drainage without addressing portal hypertension can lead to recurrence and risk of infections. If hydrothorax recurs or remains refractory to medical therapy, a transjugular intrahepatic portosystemic shunt (TIPS) is considered to lower portal pressure and reduce formation of ascites and pleural fluid. Ultimately, for suitable patients with advanced liver disease, liver transplantation is the definitive treatment. Be alert for infection of the pleural fluid, as hepatic hydrothorax can be complicated by spontaneous bacterial empyema.

Hepatic hydrothorax is a pleural effusion that occurs in people with cirrhosis and portal hypertension when small defects in the diaphragm let ascitic fluid pass into the pleural space, most often on the right side. The effusion reflects the same portal-hypertension–driven fluid imbalance that causes ascites, rather than a primary lung problem or infection.

Management starts with addressing the source. Sodium restriction and diuretics (usually spironolactone with a loop diuretic) are used to reduce ascites and, in turn, the pleural fluid. If the patient has symptoms from the effusion, therapeutic thoracentesis can provide relief, but it should be done cautiously and not relied on as a long-term solution because drainage without addressing portal hypertension can lead to recurrence and risk of infections.

If hydrothorax recurs or remains refractory to medical therapy, a transjugular intrahepatic portosystemic shunt (TIPS) is considered to lower portal pressure and reduce formation of ascites and pleural fluid. Ultimately, for suitable patients with advanced liver disease, liver transplantation is the definitive treatment. Be alert for infection of the pleural fluid, as hepatic hydrothorax can be complicated by spontaneous bacterial empyema.

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