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(Sclerotherapy for Esophageal Varices; Endoscopic Sclerotherapy)
Daus Mahnke, MD
are abnormal blood vessels that develop in the esophagus. They have abnormally thin walls and the blood pressure within them is very high. This combination makes esophageal varices dangerous, because they can burst and cause life-threatening bleeding.
Esophageal variceal injection is a procedure to either stop active bleeding or prevent future bleeding. During the procedure, medication is injected into or alongside esophageal varices. When injecting into the vein, the medication causes blood clots to form, blocking the vein from bleeding. When injected alongside the vein, the swelling in the area compresses the vein, preventing it from bleeding.
For this procedure, you will lie on your left side. A mouthpiece will be placed to help keep your mouth open. An assistant will be in the room to monitor your breathing and heart beat. You may also be given oxygen through your nose. A suction tube will be used to clear the saliva and other fluids from your mouth.
A lubricated endoscope will be placed into your mouth. It will be passed down your throat and into your esophagus. The scope will have a small light and a camera. Images will display on a video monitor. Air will be passed through the scope to help your doctor see your esophagus. The enlarged vein will be located. If needed, the endoscope can be passed all the way down into the stomach and upper intestines.
When near the varices, a flexible needle will be passed through the scope. The needle will be used to inject medication into the varices. If needed, your doctor may do many injections during one procedure.
Instruments can also be passed through the scope to apply rubber band-like devices. The rubber band ties off the varices. This will prevent future bleeding. This is called band ligation.
During the procedure, you may feel discomfort in your throat. After the procedure, your throat may be sore for a few days. In addition, you may feel bloated and need to belch. It may also be painful to swallow for a couple of days after the procedure.
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