Hiatus hernia natural history, complications and prognosis

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Complications

A hiatus hernia per se does not cause any symptoms. The condition promotes reflux of gastric contents (via its direct and indirect actions on the anti-reflux mechanism) and thus is associated with gastroesophageal reflux disease (GERD). In this way a hiatus hernia is associated with all the potential consequences of GERD - heartburn, esophagitis, Barrett's esophagus and esophageal cancer. However the risk attributable to the hiatus hernia is difficult to quantify, and at most is low.

Besides discomfort from GERD and dysphagia, hiatal hernias can have severe consequences for patients if not treated. While sliding hernias are primarily associated with gastroesophageal acid reflux, rolling hernias can strangulate a portion of the stomach above the diaphragm. This strangulation can result in esophageal or GI tract obstruction and the tissue even become ischemic and necrose.

Another severe complication, although very rare, is a large herniation that can restrict the inflation of a lung, causing pain and breathing problems.