2023年3月15日 · Esophageal varices are enlarged veins in the esophagus, the tube that connects the throat and stomach. Esophageal varices most often happen in people with serious liver diseases. Esophageal varices develop when regular blood flow to the liver is blocked by a clot or scar tissue in the liver.

2023年5月23日 · Esophageal varices are enlarged veins in the lining of your esophagus, the swallowing tube that connects your mouth to your stomach. Varices are serious because they have weakened walls that can leak or break and bleed.

The esophageal veins drain blood from the esophagus to the azygos vein, in the thorax, and to the inferior thyroid vein in the neck. It also drains, although with less significance, to the hemiazygos vein , posterior intercostal vein and bronchial veins .

2023年3月15日 · Main tests used to diagnose esophageal varices are: Endoscopic exam. A procedure called upper gastrointestinal endoscopy is the preferred method of screening for esophageal varices. An endoscopy involves inserting a flexible, lighted tube called an endoscope down the throat and into the esophagus.

Esophageal varices are typically diagnosed through an esophagogastroduodenoscopy. [4] The upper two thirds of the esophagus are drained via the esophageal veins, which carry deoxygenated blood from the esophagus to the azygos vein, which in turn drains directly into the superior vena cava.

2020年5月29日 · Esophageal varices are large, swollen blood vessels, such as veins, around the esophagus. The most common cause is portal hypertension, which most commonly results from liver cirrhosis.

2023年8月7日 · Esophageal varices are dilated submucosal distal esophageal veins connecting the portal and systemic circulations. They form due to portal hypertension, which commonly is a result of cirrhosis, resistance to portal blood flow, and increased portal venous blood inflow.

2023年7月24日 · Because the veins in the esophagus are so close to the surface of the esophagus, swollen veins in this location can rupture and cause dangerous bleeding. Esophageal varices almost always occur in people who have cirrhosis of the liver.

2023年7月24日 · The backup of blood forces veins to enlarge in the vicinity of the stomach and esophagus. The veins don't enlarge in a uniform fashion. Esophageal varices usually have enlarged, irregularly shaped bulbous regions (varicosities) that …

Esophageal varices are abnormally enlarged veins located in the lower part of the esophagus, typically resulting from increased pressure in the portal vein system. This condition is most commonly associated with liver diseases, such as cirrhosis, which impede normal blood flow through the liver.