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Alcohol-induced flushing is a risk factor for esophageal cancer from alcohol consumption
March 23, 2009Press release from PLoS Medicine
There is growing evidence, say researchers in this week's PLoS Medicine, that people who experience facial flushing after drinking alcohol are at much higher risk of esophageal cancer from alcohol consumption than those who do not.
About a third of East Asians (Japanese, Chinese, and Koreans) show a characteristic physiological response to drinking alcohol that includes facial flushing, nausea, and an increased heart rate. This so-called "alcohol flushing response" is predominantly due to an inherited deficiency in an enzyme called aldehyde dehydrogenase 2 (ALDH2). Although clinicians and the East Asian public generally know about the alcohol flushing response, few are aware of the accumulating evidence that ALDH2-deficient individuals are at much higher risk of esophageal cancer (specifically squamous cell carcinoma) from alcohol consumption than individuals with fully active ALDH2.
Dr Philip Brooks and colleagues from the National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Maryland, USA, along with Dr. Akira Yokoyama from the Kurihama Alcohol Center in Japan, say that this lack of awareness is "unfortunate as esophageal cancer is one of the deadliest cancers worldwide, with five-year survival rates of 15.6% in the United States, 12.3% in Europe, and 31.6% in Japan."
"Our goal in writing this article," say the researchers, "is to inform doctors firstly that their ALDH2- deficient patients have an increased risk for esophageal cancer if they drink moderate amounts of alcohol, and secondly that the alcohol flushing response is a biomarker for ALDH2 deficiency."
Clinicians, they say, can determine ALDH2 deficiency simply by asking about previous episodes of alcohol-induced flushing.
"As a result," say Dr Brooks and colleagues, "ALDH2-deficient patients can then be counseled to reduce alcohol consumption, and high-risk patients can be assessed for endoscopic cancer screening."
In view of the approximately 540 million ALDH2-deficient individuals in the world, many of whom now live in Western societies, even a small percent reduction in esophageal cancers due to a reduction in alcohol drinking would translate into a substantial number of lives saved.
Public Library of Science
Dr Philip Brooks and colleagues from the National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Maryland, USA, along with Dr. Akira Yokoyama from the Kurihama Alcohol Center in Japan, say that this lack of awareness is "unfortunate as esophageal cancer is one of the deadliest cancers worldwide, with five-year survival rates of 15.6% in the United States, 12.3% in Europe, and 31.6% in Japan."
"Our goal in writing this article," say the researchers, "is to inform doctors firstly that their ALDH2- deficient patients have an increased risk for esophageal cancer if they drink moderate amounts of alcohol, and secondly that the alcohol flushing response is a biomarker for ALDH2 deficiency."
Clinicians, they say, can determine ALDH2 deficiency simply by asking about previous episodes of alcohol-induced flushing.
"As a result," say Dr Brooks and colleagues, "ALDH2-deficient patients can then be counseled to reduce alcohol consumption, and high-risk patients can be assessed for endoscopic cancer screening."
In view of the approximately 540 million ALDH2-deficient individuals in the world, many of whom now live in Western societies, even a small percent reduction in esophageal cancers due to a reduction in alcohol drinking would translate into a substantial number of lives saved.
Public Library of Science
Esophageal Cancer Current Events and Esophageal Cancer News RSSReflux esophagitis due to immune reaction, not acute acid burn, UT Southwestern researchers report
Contrary to current thinking, a condition called gastroesophageal reflux disease (GERD) might not develop as a direct result of acidic digestive juices burning the esophagus, UT Southwestern Medical Center researchers have found in an animal study.
African-Americans with colorectal cancer have poorer outcomes, lower survival rates
New research published in the November issue of the Journal of the American College of Surgeons shows that African-American patients with colorectal cancer are more likely to be diagnosed with advanced disease and are less likely to undergo surgical procedures compared with Caucasians, suggesting that improvements in screening and rates of operation may reduce differences in colorectal cancer outcomes for African-Americans.
Surgeons at Boston Medical Center offering new procedure for acid reflux/GERD
Boston Medical Center (BMC) surgeons are now offering patients an incisionless alternative to laparoscopic and traditional surgery for treatment of acid reflux or GERD.
Barrett's esophagus patients have same survival rates as general population
New Mayo Clinic research has found that survival rates of patients with Barrett's esophagus, which can be a precursor for esophageal cancer, are no different than the survival rates for the general population.
GERD negatively impacts sleep quality, results in considerable economic burden
There has been much debate about the relationship between gastroesophageal reflux disease (GERD) and sleep.
Heavy drinkers face significantly increased cancer risk
Heavy drinkers of beer and spirits face a much higher risk of developing cancer than the population at large, says a group of Montreal epidemiologists and cancer researchers.
University of Saskatchewan and Canadian Synchrotron researchers shed light on esophageal disease
Canadian Light Source (CLS) staff scientist Luca Quaroni and Dr. Alan Casson, Head of the Department of Surgery at the University of Saskatchewan (U of S) used the synchrotron's infrared microscope to identify tissue afflicted with a condition known as Barrett's Esophagus from chemical fingerprints associated with the disease, which can lead to esophageal cancer.
NEJM study finds radiofrequency ablation can reverse Barrett's esophagus, reduce cancer risk
Patients who have gastroesophageal reflux disease (GERD) for a prolonged period have an increased risk of developing Barrett's esophagus, a pre-cancerous condition where the tissue lining the esophagus becomes damaged by stomach acid and transformed into something like the inside of the stomach.
Technique eradicates problems in most patients with Barrett's esophagus
A procedure that uses heat generated by radio waves to treat Barrett's esophagus, a condition caused by acid reflux (severe heartburn), can eliminate signs of the potentially cancer-causing disorder and reduce the risk that the disease will progress.
Study examines reliability of clinical and pathological diagnoses of Barrett's esophagus
In a review of more than 2,000 patients coded for Barrett's esophagus, electronic diagnosis overestimated the prevalence of the disease according to researchers in California.
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