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Barrett's oesophagus was first identified by Norman Barrett in 1950. In those days there were no endoscopies - the modern equipment did not exist. He surely identified the condition from autopsies - on people who had died from oesophageal adenocarcinoma. Presumably many of these had BE. However there were no statistics at all to determine, and no way of measuring, how many people in the general population had BE. Even today more and more people are being diagnosed with BE and, because is has already been labelled pre-cancerous, they are being treated for it. In many cases, the treatment is unnecessary!
In 2016 another large study was done, this time on no fewer than 796,492 adults. The paper was titled Maintenance proton pump inhibition therapy and risk of oesophageal cancer. Its results: "Among all individuals using maintenance PPI therapy, the overall SIR of oesophageal adenocarcinoma was 3.93". Now SIR is Standardised Incidence Ratio - which is the the ratio of the results obtained divided by the expected results. In other words the chances of progression found in this study of 796,492 adults are nearly four times higher for PPI users than for non users!
This paper concludes "In conclusion, the long term use of PPIs is associated with increased risk of oesophageal adenocarcinoma in the absence of other risk factors. Long term use of PPIs should be addressed with caution."
So the statistics, if you don't take PPIs, reduce to a progression rate of fewer than 6 people per 10,000 per year! This is an extremely low rate!
Medscape, a leading publisher of medical papers, comments on the above paper were "However, this "surprising" observation comes from a single cohort study that lacks the evidence to demonstrate a causal relationship, warn experts approached for comment."
However my own experiments with PPI dosage caused me to research the medical papers for explanations of effects I found that the consultants would not discuss. Read my explanation of how PPIs increase the cancer risk.
I have found, and listed many other medical papers that assess the risk of progression to cancer.
But if you do not need PPIs to make your life livable - then why are you taking them? I have a long segment Barrett's oesophagus - many studies say I am therefore at high risk. But a long segment logically implies a long time for it to develop. I do not now take PPIs (and have fewer symptoms as a result) and am not concerned about cancer.
There is a study that actually found that Esophageal cancer risk higher in medically treated GERD patients with fewest symptoms. This I cannot explain!
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