Role of Renin-Angiotensin-Aldosterone System and of Sympathetic Activity in Arterial Hypertension Associated with Autosomal Dominant Polycystic Kidney Disease

The duodenum in liver cirrhosis: endoscopic, morphological and clinical findings.

Endoscopic studies were performed to determine whether changes occurred in the duodenum related to portal hypertension in patients with liver cirrhosis. The total of 271 patients studied were subdivided into three groups: 83 patients with liver cirrhosis and portal hypertension, 53 with liver cirrhosis but no portal hypertension, and 135 controls. In the duodenum of cirrhotic patients with portal hypertension several changes were observed on endoscopy that were also present in the other two groups. Atrophy and vascular malformations, however, were present only in the duodenum of cirrhotic patients with portal hypertension, although in only a few patients and with statistical significance on…