High blood pressure, also called hypertension, is one of the world’s most common health problems.
Millions of people have high blood pressure, and many do not realize it because the condition usually causes no obvious symptoms.
For this reason, hypertension is often called a “silent killer.” Even though people may feel perfectly well, high blood pressure can slowly damage blood vessels and vital organs over many years.
If left untreated, high blood pressure can lead to serious health problems, including heart attacks, strokes, heart failure, kidney disease, and premature death. According to global estimates, hypertension contributes to about 7.5 million deaths each year.
Because of these dangers, doctors encourage people with high blood pressure to make lifestyle changes and take medications when necessary.
Managing hypertension is not a short-term task. Most people need regular blood pressure checks for many years. Traditionally, this monitoring has mainly taken place during visits to doctors or clinics. However, researchers have increasingly been exploring whether people can successfully monitor their own blood pressure at home.
A new study suggests that the answer may be yes. In fact, home monitoring may do more than simply track blood pressure. It could also lower the risk of serious heart and blood vessel problems.
The study was recently published in the journal European Heart Journal–Digital Health. Researchers from Edinburgh Napier University and the University of Edinburgh examined whether a digital blood pressure monitoring system could improve health outcomes in people with hypertension.
The researchers studied nearly 450,000 people with high blood pressure across Scotland between 2019 and 2022. Around 9,500 of these patients used a telemonitoring service called Connect Me BP, while the remaining patients received standard care from their local doctors.
The telemonitoring system allowed people to measure their blood pressure at home and automatically share their readings with healthcare professionals. The system also sent reminders telling people when it was time to take another blood pressure reading.
The results were encouraging. People who used the home monitoring system lowered their blood pressure during the first three months of the study. Even more importantly, these improvements lasted for more than a year.
The researchers also found that people using telemonitoring had significantly better health outcomes than those receiving standard care. They experienced fewer cardiovascular problems, fewer hospital admissions, and fewer deaths.
These findings suggest that regularly checking blood pressure at home may help people manage their condition more effectively and potentially prevent serious complications.
The researchers believe several factors may explain these benefits. Home monitoring gives people more information about their condition and allows them to see how lifestyle changes and medications affect their blood pressure.
The reminders may also encourage people to stay engaged with their treatment and take measurements consistently. At the same time, doctors receive more information about their patients’ blood pressure patterns and can make adjustments to treatment when necessary.
However, the researchers also noted some limitations. People who chose to use telemonitoring tended to be younger, needed fewer blood pressure medications, and were generally less socially disadvantaged than some other patients. Although the scientists adjusted for many of these differences, there may still have been factors that influenced the results.
The researchers say more studies are needed to determine whether similar benefits would be seen in other groups of patients, particularly those at higher risk or living in more disadvantaged communities.
Scotland has become a world leader in this technology. Experts estimate that about 130,000 people have already used the Connect Me BP system for diagnosing and managing high blood pressure.
Lead researcher Janet Hanley from Edinburgh Napier University said that strokes, heart attacks, and heart failure are major causes of death and disability, and anything that lowers these risks is worthwhile. She noted that telemonitoring helps people improve their blood pressure control and is easy and convenient to use.
Professor Brian McKinstry from the University of Edinburgh added that this study provides some of the strongest evidence so far that blood pressure telemonitoring may reduce not only blood pressure itself but also heart attacks and strokes.
The findings are also encouraging because they empower patients to become active participants in their own care. Instead of waiting for occasional appointments, people can monitor their health regularly from home and work more closely with healthcare professionals.
In reviewing the findings, this study provides strong evidence that simple digital tools may significantly improve the management of high blood pressure. However, because this was an observational study, it cannot prove that telemonitoring alone caused all of the improvements.
Further research will help clarify which patients benefit the most. Even so, the results suggest that home blood pressure monitoring could become an important, practical, and cost-effective way to reduce heart disease, save lives, and lessen pressure on healthcare systems.
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Source: Edinburgh Napier University and the University of Edinburgh.
