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  • Sponsored Q&A

    What is Barrett's Oesophagus

    Dr Darren Pavey is a Gastroenterologist and Interventional Endoscopist with an interest in the endoscopic diagnosis and treatment of gastrointestinal conditions; he is a Senior Lecturer at the University of NSW and Macquarie University and has co-written the guidelines for the treatment of Barrett’s oesophagus for the Cancer Council of Australia.

    Listen to Dr Darren Pavey's interview with Ed Phillips regarding Barrett's oesophagus on Talking Lifestyle below.
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    • Dr Darren Pavey
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  • What is Barrett’s oesophagus?
    Barrett’s oesophagus is a condition in which the cells lining the oesophagus (the tube that links the mouth and the stomach) have changed into a type that is abnormal. Approximately 1-2 per cent of the population may develop Barrett’s oesophagus during their lifetime, and it is especially common in patients with chronic heartburn. Barrett’s oesophagus is thought to be related to damage to the lining of the oesophagus from chronic reflux and increases the risk of long-term problems, including developing oesophageal cancer. Barrett’s oesophagus is named after the Australian-born doctor who first described the condition.

    What causes Barrett’s oesophagus?
    We do not know what exactly causes someone to get Barrett’s oesophagus. There are a few things, though, that doctors have found increase the chances of developing Barrett’s oesophagus.

    1. Between 5 and 10 per cent of people with chronic GERD (or reflux) develop Barrett’s oesophagus.
    2. Men (especially Caucasian males) develop Barrett’s oesophagus twice as often as women.
    3. The average age at diagnosis is 55 years old.
    4. Obesity, mainly central obesity, increases your chances of developing Barrett’s oesophagus.
    5. Smoking raises your chances of getting Barrett’s oesophagus.
    6. Some studies suggest that your genes may play a role in the development of Barrett’s oesophagus. Patients with a family history of Barrett’s have a higher risk of developing Barrett’s oesophagus themselves.

    What are the symptoms of Barrett’s oesophagus?
    Barrett’s oesophagus usually does not cause any symptoms, however, most patients who develop Barrett’s oesophagus have a history of chronic heartburn or reflux. Occasionally patients may present with difficulty swallowing, due to complications associated with the development of Barrett’s oesophagus.

    How is Barrett’s oesophagus diagnosed?
    Barrett’s oesophagus is most commonly diagnosed with a Gastroscopy procedure. This is a procedure in which a flexible tube with a video camera at the tip is passed through the mouth into the oesophagus, stomach and first part of the small bowel. It permits these areas to be inspected as well as specialised procedures such as biopsies to be performed. A small sample of tissue is taken from the lining of the oesophagus and examined under a microscope to confirm the diagnosis of Barrett’s oesophagus. Gastroscopy procedures usually take around 5-10 minutes and are most commonly performed under sedation as a day-only procedure.

    Is there anything I can do to try and prevent Barrett’s oesophagus?
    If you are worried that you may have Barrett's oesophagus then you should speak to your gastroenterologist. Patients with chronic heartburn or regurgitation may require medication to prevent complications from reflux such as Barrett’s oesophagus from developing. Smoking cessation and maintaining a normal body weight are recommended.

    Can Barrett’s oesophagus develop into any other serious health concerns?
    Barrett’s oesophagus is associated with an increased risk of developing oesophageal cancer. Over time, the abnormal oesophageal lining can develop early precancerous changes. The early changes may progress to advanced precancerous changes, and finally to frank oesophageal cancer. If undetected, this cancer can spread and invade surrounding tissues.
    Progression to cancer is uncommon for any individual patient; studies that follow patients with Barrett's oesophagus reveal that less than 0.5 per cent of patients develop oesophageal cancer per year. In other terms, less than 1 patient in every 200 patients with Barrett’s oesophagus will develop oesophageal cancer each year.
    Furthermore, patients with Barrett's oesophagus appear to live approximately as long as people who are free of this condition. Patients often die of other causes before Barrett's oesophagus progresses to cancer.

    What treatments are available?
    Patients with gastroesophageal reflux and Barrett’s oesophagus should ensure that their reflux is well controlled. Most patients are advised to avoid certain foods and behaviours that increase the risk of reflux. Foods that can worsen reflux include: Chocolate, Coffee and tea, Peppermint, Alcohol and Fatty foods. Lifestyle factors that can worsen reflux include eating meals just before going to bed, lying down soon after eating meals and eating large meals.
    Patients with chronic gastroesophageal reflux may also require medication or surgery to control their reflux symptoms. There does not appear to be any benefit of surgery over medication for reflux in terms of preventing the development of Barrett’s oesophagus or oesophagal cancer.

    Patients who develop Barrett’s oesophagus should be considered for surveillance programs to detect any possible progression of their Barrett’s. Most commonly this is performed by undergoing a Gastroscopy procedure routinely every 3-5 years.

    If early pre-cancerous changes (dysplasia) are detected in Barrett’s oesophagus then patients may be considered for more aggressive treatments that may involve shaving off or burning away the pre-cancerous cells in the lining of the oesophagus during a Gastroscopy procedure. These procedures are available only in highly specialized endoscopy centres and are highly effective in eradicating the precancerous changes (dysplasia) and Barrett’s oesophagus. These treatments have also been shown to reduce the risk of progression to cancer in clinical studies.

    Patients are encouraged to discuss the management of Barrett’s oesophagus with their GP and treating specialist and request a referral to a specialized Barrett’s oesophagus endoscopy service if they develop early pre-cancerous changes (dysplasia).

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