High-temperature beverages and foods and esophageal cancer risk-A systematic review

Digestive Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran.
International Journal of Cancer (Impact Factor: 5.09). 08/2009; 125(3):491-524. DOI: 10.1002/ijc.24445
Source: PubMed


Coffee, tea and maté may cause esophageal cancer (EC) by causing thermal injury to the esophageal mucosa. If so, the risk of EC attributable to thermal injury could be large in populations in which these beverages are commonly consumed. In addition, these drinks may cause or prevent EC via their chemical constituents. Therefore, a large number of epidemiologic studies have investigated the association of an indicator of amount or temperature of use of these drinks or other hot foods and beverages with risk of EC. We conducted a systematic review of these studies and report the results for amount and temperature of use separately. By searching PubMed and the ISI, we found 59 eligible studies. For coffee and tea, there was little evidence for an association between amount of use and EC risk; however, the majority of studies showed an increased risk of EC associated with higher drinking temperature which was statistically significant in most of them. For maté drinking, the number of studies was limited, but they consistently showed that EC risk increased with both amount consumed and temperature, and these 2 were independent risk factors. For other hot foods and drinks, over half of the studies showed statistically significant increased risks of EC associated with higher temperature of intake. Overall, the available results strongly suggest that high-temperature beverage drinking increases the risk of EC. Future studies will require standardized strategies that allow for combining data and results should be reported by histological subtypes of EC.

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Available from: Farhad Islami, Sep 01, 2015
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    • "In particular, the prevalence rates differ globally by close to 16-fold, with the highest rates found in Eastern Asia and Southern and Eastern Africa and lowest rates in Central America, and Western and Middle Africa[41]. In the greatest-risk areas, extending from North-Central China to northern Iran through the central Asian republics, which has been titled the " EC belt " , 90% of patients have ESCC[42,43]. Generally, EAC is more prevalent in developed countries, due to lack of exercise, smoking, induced obesity and chronic gastro-esophageal reflux disease, which is believed to initiate Barrett's esophagus (BE)[44,45]. "
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