Untreated Heartburn May Raise Risk for Esophageal Cancer, Study Says

WEDNESDAY, July 25 (HealthDay News) — Rates of esophageal cancer
have surged due to a lack of awareness about what causes the disease and
how it can be prevented, experts say.

The esophagus is the muscular tube that carries food and liquid from
the mouth to the stomach. There were six times as many cases of esophageal
cancer in 2001 as there were in 1975, according to a team from the
University of California, Los Angeles. The researchers noted that one key
way people can reduce their risk for the disease is by managing heartburn
and acid reflux, often called gastroesophageal reflux disease, or
GERD.

“Obesity and poor diet have spiked the numbers suffering from acid
reflux,” Dr. V. Raman Muthusamy, associate clinical professor of medicine
and endoscopy director at the UCLA Center for Esophageal Disorders, said
in a university news release.

If left untreated, GERD can cause stomach acid to wash repeatedly into
the esophagus, causing changes in the tissue lining. This condition is
called Barrett’s esophagus, and people diagnosed with Barrett’s may be up
to 40 times more likely to develop esophageal cancer, the UCLA experts
explained.

Complicating matters, people with esophageal cancer may not experience
any symptoms other than heartburn, which could prevent early detection of
the disease, said Muthusamy and his colleague Dr. Kevin Ghassemi, clinical
programs director at the UCLA Center for Esophageal Disorders.

“Early identification, treatment and management of changes in the
esophageal lining are critical to catching problems early,” Ghassemi said
in the news release.

To help people know when to be concerned about acid reflux or heartburn
and reduce the risks associated with the condition, Muthusamy and Ghassemi
offered the following tips:

  • Anyone experiencing heartburn more than once a week should visit their
    doctor to manage the condition.
  • Lose extra pounds. Being overweight can make acid reflux and heartburn
    worse.
  • Avoid eating too much at one time, and keep upright after eating.
    Reclining with a full stomach can make symptoms worse.
  • Engage in light physical activity after eating; exercise can help
    digestion.
  • Anyone who takes medications for acid reflux — such as Prilosec,
    Nexium, Prevacid, Zantac or Pepcid — should take their medication
    regularly to reduce the level of acid in their stomach.
  • Get screened for esophageal cancer. White men aged 50 or older who
    have been affected by acid reflux for more than 10 to 15 years should
    consider being screened for Barrett’s esophagus. If caught early, the
    changes in the esophagus lining can be treated.
  • Don’t smoke.
  • Avoid caffeine, alcohol and fatty foods, which can increase the risk
    for acid reflux.
  • People taking certain heart and blood-pressure drugs, such as calcium
    channel blockers and nitrates, may be at greater risk for acid reflux.
    These patients should discuss their risk factors and treatment options
    with their doctor.
  • Don’t wear tight-fitting clothes.

The American Cancer Society estimates that there will be nearly 17,500
new cases of esophageal cancer in the United States in 2012, and more than
15,000 deaths from the disease.

More information

The U.S. National Cancer Institute has more about esophageal cancer.

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