Keeping blood pressure at a healthy level is one of the most important ways older adults can protect their health. Blood pressure is the force of blood pushing against the walls of your blood vessels. It is measured using two numbers.
The top number is called systolic pressure, and it shows how much pressure there is when the heart beats. The bottom number is called diastolic pressure, and it shows the pressure when the heart is resting between beats.
If blood pressure is too high, it can quietly damage the body over time. Many people do not feel any symptoms, which is why high blood pressure is often called a “silent problem.”
Over time, it can increase the risk of serious health issues such as heart disease, stroke, and kidney problems. These conditions are among the leading causes of death in Australia and around the world.
However, blood pressure that is too low can also be harmful, especially for older adults. Low blood pressure can cause dizziness, weakness, and fainting. This increases the risk of falls, which can lead to broken bones or other injuries. For older people, even a small fall can have a big impact on health and independence.
For many years, doctors recommended that older adults keep their systolic blood pressure below 140 mmHg. This was seen as a safe and effective target. But over time, new research has suggested that lower targets may offer more protection in some cases.
One of the most important studies on this topic is called the SPRINT trial, which stands for Systolic Blood Pressure Intervention Trial. This large study included thousands of adults over the age of 50 who had a higher risk of heart disease but did not have diabetes.
The researchers divided participants into two groups. One group aimed to keep their systolic blood pressure below 140 mmHg, while the other group aimed for a lower target of below 120 mmHg.
The findings, published in The New England Journal of Medicine, showed that people in the lower blood pressure group had fewer heart attacks, strokes, and deaths related to heart problems. This result led many experts to rethink what the “ideal” blood pressure should be, especially for older adults.
However, the story does not end there. Lowering blood pressure too much can create new problems. Some older adults may feel dizzy or unsteady if their blood pressure drops too low. This can increase the risk of falling. Others may experience side effects from medications, such as tiredness or kidney issues.
Because of these risks, doctors now take a more balanced and personal approach. Instead of using one target for everyone, they look at each person’s overall health, medical history, and daily life.
For many people over 60, a systolic blood pressure below 130 mmHg is considered a good goal, as long as it can be reached safely. Going much lower than 120 mmHg is usually not recommended unless closely monitored.
It is also important to understand that not everyone has the same needs. For example, people with diabetes or kidney disease may need slightly different targets. People who have had falls or feel dizzy easily may need a higher, safer range to avoid injury.
This is why regular check-ups are so important. A doctor or nurse can help monitor blood pressure, adjust medications if needed, and make sure the treatment plan is working well. Good communication with healthcare providers helps ensure that the plan is safe and effective.
Managing blood pressure is not just about medication. Lifestyle also plays a big role. Eating a balanced diet, reducing salt intake, staying active, managing stress, and getting enough sleep can all help keep blood pressure in a healthy range. Even small changes in daily habits can make a big difference over time.
In the end, the goal is not to reach the lowest number possible, but to find a level that keeps you feeling well and reduces health risks. For older adults, this means finding a balance between protecting the heart and avoiding side effects like dizziness or falls.
Modern research has helped us understand that there is no single perfect number for everyone. A personalised plan, guided by a healthcare professional, is the best way to stay healthy. By staying informed and taking an active role in your care, you can protect your heart and enjoy a healthier life as you age.
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