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Barrett’s Esophagus

Barrett’s Esophagus is a condition in which the tissue lining the esophagus is replaced by tissue similar to the lining of the intestine. While there are no specific symptoms of Barrett’s Esophagus, if you suffer from acid reflux symptoms of gastroesophageal reflux disease (GERD) like heartburn, you may have Barrett’s Esophagus. Although esophageal cancer is very rare, people diagnosed with Barrett’s Esophagus do have a higher incidence rate. If you already have Barrett’s Esophagus or you suffer from GERD, then you should have routine examinations of your esophagus. Dr. Cofrancesco, Dr. Quijano and the staff at GI North can diagnose Barrett’s Esophagus as well as help you treat and manage the condition.

To learn more about Barrett’s Esophagus continue reading below.

  • What is Barrett’s esophagus?
  • What is gastroesophageal reflux disease (GERD)?
  • How is Barrett’s esophagus diagnosed?
  • What is the risk of esophageal cancer with Barrett’s esophagus?
  • How is Barrett’s esophagus with dysplasia or cancer treated?
  • Points to Remember

What is Barrett’s esophagus?

Barrett’s esophagus is a condition in which the tissue lining the esophagus—the muscular tube that connects the mouth to the stomach—is replaced by tissue that is similar to the lining of the intestine. This process is called intestinal metaplasia.

No signs or symptoms are associated with Barrett’s esophagus, but it is commonly found in people with gastroesophageal reflux disease (GERD). A small number of people with Barrett’s esophagus develop a rare but often deadly type of cancer of the esophagus.

Barrett’s esophagus affects about 1 percent* of adults in the United States. The average age at diagnosis is 50, but determining when the problem started is usually difficult. Men develop Barrett’s esophagus twice as often as women, and Caucasian men are affected more frequently than men of other races. Barrett’s esophagus is uncommon in children.

The Esophagus

The esophagus carries food and liquids from the mouth to the stomach. The stomach slowly pumps the food and liquids into the intestine, which then absorbs needed nutrients. This process is automatic and people are usually not aware of it. People sometimes feel their esophagus when they swallow something too large, try to eat too quickly, or drink very hot or cold liquids.

The muscular layers of the esophagus are normally pinched together at both the upper and lower ends by muscles called sphincters. When you swallow, the sphincters relax to allow food or drink to pass from the mouth into the stomach. The muscles then close rapidly to prevent the food or drink from leaking out of the stomach back into the esophagus and mouth.

*Cameron AJ. Epidemiology of Barrett’s esophagus and adenocarcinoma. Diseases of the Esophagus. 2002;15:106–108.

What is gastroesophageal reflux disease (GERD)?

GERD is a more serious form of gastroesophageal reflux (GER). GER occurs when the lower esophageal sphincter opens spontaneously for varying periods of time or does not close properly and stomach contents rise into the esophagus. GER is also called acid reflux or acid regurgitation because digestive juices called acids rise with the food or fluid.

When GER occurs, food or fluid can be tasted in the back of the mouth. When refluxed stomach acid touches the lining of the esophagus it may cause a burning sensation in the chest or throat called heartburn or acid indigestion. Occasional GER is common and does not necessarily mean you have GERD.

Persistent reflux that occurs more than twice a week is considered GERD and can eventually lead to more serious health problems. Overall, 10 to 20 percent* of Americans experience GERD symptoms every day, making it one of the most common medical conditions. People of all ages can have GERD.

If you have GERD symptoms, you should consult with Dr. Cofrancesco or Dr. Quijano. If GERD is left untreated over a long period of time, it can lead to complications such as a bleeding ulcer. Scars from tissue damage can lead to strictures—narrowed areas of the esophagus—that make swallowing difficult. GERD may also cause hoarseness, chronic cough, and conditions such as asthma.

GERD and Barrett’s Esophagus

The exact causes of Barrett’s Esophagus are not known, but GERD is a risk factor for the condition. Although people who do not have GERD can have Barrett’s Esophagus, the condition is found about three to five times more often in people who also have GERD.

Improvement in GERD symptoms may lower the risk of developing Barrett’s Esophagus. If medications are not effective in treating GERD, Dr. Cofrancesco and Dr. Quijano may recommend different type of treatment.

*El-Serag HB. Time trends of gastroesophageal reflux disease: a systematic review. Clinical Gastroenterology and Hepatology. 2007;5(1):17–26.

How is Barrett’s esophagus diagnosed?

Because Barrett’s esophagus does not cause any symptoms, Dr. Cofrancesco and Dr. Quijano recommend that adults older than 40 who have had GERD for a number of years undergo an endoscopy and biopsies to check for the condition.

Barrett’s esophagus can only be diagnosed using an upper gastrointestinal (GI) endoscopy to obtain biopsies of the esophagus. In an upper GI endoscopy, after you are sedated, Dr. Cofrancesco or Dr. Quijano insert a flexible tube called an endoscope, which has a light and a miniature camera, into the esophagus. If the tissue appears suspicious, Dr. Cofrancesco or Dr. Quijano remove several small pieces using a pincher-like device that is passed through the endoscope. A pathologist examines the tissue with a microscope to determine the diagnosis.

What is the risk of esophageal cancer with Barrett’s esophagus?

People with Barrett’s esophagus have a low risk of developing a kind of cancer called esophageal adenocarcinoma. Less than 1 percent* of people with Barrett’s esophagus develop esophageal adenocarcinoma each year. Barrett’s esophagus may be present for several years before cancer develops. Esophageal adenocarcinoma is frequently not detected until its later stages when treatments are not always effective.

Surveillance for Dysplasia and Cancer

Periodic endoscopic examinations with biopsies to look for early warning signs of cancer are generally recommended for people who have Barrett’s esophagus. This approach is called surveillance.

Typically, before esophageal cancer develops, precancerous cells appear in the Barrett’s tissue. This condition is called dysplasia and can be seen only through biopsies. Multiple biopsies must be taken because dysplasia can be missed in a single biopsy. Detecting and treating dysplasia may prevent cancer from developing.

*Shaheen N, Ransohoff DF. Gastroesophageal reflux, Barrett’s esophagus, and esophageal cancer. Journal of the American Medical Association. 2002;287(15):1982–1986.

How is Barrett’s esophagus with dysplasia or cancer treated?

Endoscopic or surgical treatments can be used to treat Barrett’s esophagus with severe dysplasia or cancer. Dr. Cofrancesco and Dr. Quijano will present the available options and help determine the best course of treatment for you.

Endoscopic Treatments

Several endoscopic therapies are available to treat severe dysplasia and cancer. During these therapies, the Barrett’s lining is destroyed or the portion of the lining that has dysplasia or cancer is cut out. The goal of the treatment is to encourage normal esophageal tissue to replace the destroyed Barrett’s lining.

  • Photodynamic Therapy (PDT). PDT uses a light-sensitizing agent called Photofrin and a laser to kill precancerous and cancerous cells. Photofrin is injected into a vein and you return 48 hours later. The laser light is then passed through the endoscope and activates the Photofrin to destroy Barrett’s tissue in the esophagus. Complications of PDT include chest pain, nausea, sun sensitivity for several weeks, and esophageal strictures.
  • Endoscopic Mucosal Resection (EMR). EMR involves lifting the Barrett’s lining and injecting a solution under it or applying suction to it and then cutting it off. The lining is then removed through the endoscope. If EMR is used to treat cancer, an endoscopic ultrasound is done first to make sure the cancer involves only the top layer of esophageal cells. The ultrasound uses sound waves that bounce off the walls of the esophagus to create a picture on a monitor. Complications of EMR can include bleeding or tearing of the esophagus. EMR is sometimes used in combination with PDT.

Surgery

Surgical removal of most of the esophagus is recommended if a person with Barrett’s esophagus is found to have severe dysplasia or cancer and can tolerate a surgical procedure. Many people with Barrett’s esophagus are older and have other medical problems that make surgery unwise; in these people, the less-invasive endoscopic treatments would be considered. Surgery soon after diagnosis of severe dysplasia or cancer may provide you with the best chance for a cure. The type of surgery varies, but it usually involves removing most of the esophagus, pulling a portion of the stomach up into the chest, and attaching it to what remains of the esophagus.

Points to Remember

  • In Barrett’s esophagus, the tissue lining the esophagus is replaced by tissue that is similar to the lining of the intestine.
  • Barrett’s esophagus is associated with gastroesophageal reflux disease (GERD).
  • Improvement in GERD symptoms with acid-reducing drugs may decrease the risk of developing Barrett’s esophagus.
  • Barrett’s esophagus is diagnosed through an upper gastrointestinal endoscopy and biopsies.
  • People who have Barrett’s esophagus should have periodic surveillance endoscopies and biopsies.
  • Endoscopic treatments are used to destroy Barrett’s tissue, which will hopefully be replaced with normal esophageal tissue.
  • Removal of most of the esophagus is recommended if a person with Barrett’s esophagus is found to have severe dysplasia or cancer and can tolerate a surgical procedure.

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