High blood pressure is one of the most common health problems in the world. It develops when the force of blood pushing against the walls of the arteries stays too high for a long time.
Many people have no symptoms, which is why high blood pressure is often called a silent condition. If it is not treated, it can damage blood vessels and increase the risk of heart attack, stroke, heart failure, kidney disease, and other serious health problems.
Doctors usually recommend healthy lifestyle changes such as eating less salt, exercising regularly, maintaining a healthy weight, avoiding smoking, and limiting alcohol. However, many people also need medication to keep their blood pressure under control.
These medicines have saved countless lives by reducing the risk of heart disease and stroke, but like all medicines, they can sometimes cause side effects. Scientists continue to study these drugs to better understand how they affect different parts of the body.
A new study from Imperial College London has found evidence that one type of blood pressure medicine may be linked to a higher risk of developing diverticulosis, a common bowel condition. The findings were published in the journal Circulation.
Diverticulosis occurs when small pouches, called diverticula, develop in the wall of the large intestine. The condition becomes more common with age, and many people never know they have it because it often causes no symptoms.
However, in some people the pouches can become inflamed or infected, leading to a condition called diverticulitis. This can cause severe abdominal pain, fever, changes in bowel habits, and in serious cases may require hospital treatment or surgery.
The research team wanted to learn whether medicines used to lower blood pressure might influence the risk of developing other diseases. They focused on three major groups of blood pressure medicines: ACE inhibitors, beta-blockers, and calcium channel blockers.
Instead of carrying out a traditional clinical trial, the researchers used advanced genetic methods. They studied proteins that these medicines target in the body and analyzed genetic information from about 750,000 people.
By examining natural genetic differences, they were able to estimate how the long-term effects of these medicines might influence the risk of other health conditions.
Their analysis found a possible link between a group of calcium channel blockers called non-dihydropyridines and a higher risk of diverticulosis and related bowel conditions. Calcium channel blockers lower blood pressure by relaxing blood vessels, allowing blood to flow more easily and reducing the workload on the heart.
The researchers believe these medicines may also affect the smooth muscles in the intestines. These muscles normally contract in a coordinated way to move food and waste through the digestive tract.
If the muscles do not work as effectively, changes in bowel movement and pressure inside the intestine could possibly contribute to the formation of diverticula over time.
Although the findings are important, the researchers emphasize that patients should not be alarmed. This study found an association, but it does not prove that the medicines directly cause diverticulosis. More research will be needed to confirm the results and understand exactly why the link exists.
Dr. Dipender Gill, who led the study, stressed that people should never stop taking their blood pressure medicine without first speaking with their doctor. Suddenly stopping treatment can cause blood pressure to rise quickly and greatly increase the risk of heart attack or stroke.
For most patients, the proven benefits of controlling high blood pressure still greatly outweigh the possible risks suggested by this research. Doctors carefully choose medicines based on each person’s health, medical history, and other conditions. If concerns arise, they can discuss whether another treatment option may be more suitable.
The study highlights the importance of continuing to monitor medicines even after they have been used for many years. Large genetic studies are helping scientists discover effects that may not have been obvious in earlier research. These findings may eventually lead to safer medicines and more personalized treatment plans.
Researchers hope future studies will explain how to reduce any bowel risks while preserving the life-saving benefits of blood pressure treatment. Until then, people with high blood pressure should continue taking their medicines as prescribed, attend regular medical check-ups, and discuss any new symptoms or concerns with their healthcare provider.
If you care about blood pressure, please read studies about blood pressure drug that may increase risk of sudden cardiac arrest, and these teas could help reduce high blood pressure.
For more health information, please see recent studies about nutrient that could strongly lower high blood pressure, and results showing this novel antioxidant may help reverse blood vessels aging by 20 years.
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