The Relationship between Chronic Heartburn,
Barrett’s Esophagus and Esophageal Adenocarcinoma

Hear Karen’s story about acid reflux, Barrett’s esophagus and how her doctor used recent scientific advances in medical technology to help prevent her from potentially developing esophageal cancer.

 

Watch patients and physicians share their own stories about chronic heartburn that turned out to be something more, and what you should know about some new medical advances that are helping to make esophageal cancer a preventable disease.


Am I at Risk for Esophageal Cancer?

There are two main types of esophageal cancer: squamous cell cancer and adenocarcinoma of the esophagus. Squamous cell cancer occurs most commonly in African Americans as well as people who smoke cigarettes and drink alcohol excessively. This type of cancer is not increasing in frequency.

The other cancer, adenocarcinoma of the esophagus, occurs most commonly in Caucasians as well as people with gastroesophageal reflux disease (GERD). This cancer is increasing in frequency.

The most common symptom of GERD is heartburn, a condition that 20 percent of American adults experience at least twice a week. Although these individuals are at increased risk of developing esophageal cancer, the vast majority of them will never develop it. But in a few patients with GERD (estimated at 10-15%), a change in the esophageal lining develops, a condition called Barrett’s esophagus. Doctors believe most cases of adenocarcinoma of the esophagus begin in Barrett’s tissue.

 

What is Barrett’s Esophagus?

Barrett’s esophagus is a condition in which the esophageal lining changes, becoming similar to the tissue that lines the intestine. A complication of GERD, Barrett’s is more likely to occur in patients who either experienced GERD first at a young age or have had a longer duration of symptoms. The frequency and/or severity of GERD does not affect the likelihood that Barrett’s may have formed.

Dysplasia, a precancerous change in the tissue, can develop in any Barrett’s tissue. Barrett’s tissue is visible during endoscopy, although a diagnosis by endoscopic appearance alone is not sufficient. The definitive diagnosis of Barrett’s esophagus requires biopsy confirmation.

 

How Does my Doctor Test for Barrett’s Esophagus?

Your doctor will first perform an upper endoscopy to diagnose Barrett’s esophagus. Barrett’s tissue has a different appearance than the normal lining of the esophagus and is visible during endoscopy. Although this examination is very accurate, your doctor will take biopsies from the esophagus to confirm the diagnosis as well as look for the precancerous change of dysplasia that cannot be seen with the endoscopic appearance alone. Taking biopsies from the esophagus through an endoscope only slightly lengthens the procedure time, causes no discomfort and rarely causes complications. Your doctor can usually tell you the results of your endoscopy after the procedure, but you will have to wait a few days for the biopsy results.

 

Who Should be Screened for Barrett’s Esophagus?

Barrett’s esophagus is twice as common in men as women. It tends to occur in middle-aged Caucasian men who have had heartburn for many years. There’s no agreement among experts on who should be screened. Even in patients with heartburn, Barrett’s esophagus is uncommon and esophageal cancer is very rare. One recommendation is to screen patients older than 50 who have had significant heartburn or required regular use of medications to control heartburn for several years. If that first screening is negative for Barrett’s tissue, there is no need to repeat it.

 

How is Barrett’s Esophagus Treated?

Medicines and/or surgery can effectively control the symptoms of GERD. However, neither medications nor surgery can reverse the presence of Barrett’s esophagus or eliminate the risk of cancer. There are some experimental treatments through which the Barrett’s tissue can be destroyed through the endoscope; but these treatments can cause complications, and their effectiveness in preventing cancer is not clear.

 

What is Dysplasia?

Dysplasia is a precancerous condition that doctors can only diagnose by examining biopsy specimens under a microscope. Doctors subdivide the condition into highgrade, low-grade, or indefinite for dysplasia. If dysplasia is found on your biopsy, your doctor might recommend more frequent endoscopies, attempts to destroy the Barrett’s tissue, or esophageal surgery. Your doctor will recommend an option based on the degree of the dysplasia and your overall medical condition.

 

If I Have Barrett’s Esophagus, How Often Should I Have an Endoscopy to Check for Dysplasia?

The risk of esophageal cancer in patients with Barrett’s esophagus is quite low, approximately 0.5 percent per year (or 1 out of 200). Therefore, the diagnosis of Barrett’s esophagus should not be a reason for alarm. It is, however, a reason for periodic endoscopies. If your initial biopsies don’t show dysplasia, endoscopy with biopsy should be repeated about every 3 years. If your biopsy shows dysplasia, your doctor will make further recommendations.

 


ASGE – The Source for Colonoscopy and Endoscopy

IMPORTANT REMINDER: The preceding information is intended only to provide general information and not as a definitive basis for diagnosis or treatment in any particular case. It is very important that you consult your doctor about your specific condition.

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