Pulse pressure, the difference between systolic and diastolic blood pressure readings, is a crucial indicator of cardiovascular health. While often overlooked, it provides valuable insights into the flexibility and elasticity of arteries. A recent study published in the journal Neurology found a link between high pulse pressure and increased risk of dementia-related death.
Understanding Pulse Pressure
Pulse pressure is calculated by subtracting the diastolic reading from the systolic reading. For example, a blood pressure of 120/80 mm Hg has a pulse pressure of 40 mm Hg, which is considered normal. High pulse pressure, on the other hand, is a risk factor for heart disease and stroke, and may indicate conditions such as atherosclerosis.
According to Dr. Charles Hong, chair of medicine at Michigan State University’s College of Human Medicine, pulse pressure is an important metric that reflects the health of the cardiovascular system. Elevated pulse pressure can be a sign of stiff blood vessels, which can increase the risk of heart disease and cognitive decline.
Research Findings
A study published in the journal Neurology found that people with higher genetic risk scores for elevated pulse pressure had a 16% increased risk of dementia-related death. The study analyzed data from over 30,000 U.S. adults and found that pulse pressure was a significant predictor of dementia-related death, independent of other risk factors such as blood pressure and cholesterol levels.
Dr. Steven Nissen, chief academic officer at the Cleveland Clinic’s Sydell and Arnold Miller Family Heart, Vascular and Thoracic Institute, noted that pulse pressure is a classic indicator of brain health. He emphasized the importance of further research to confirm the genetic correlation between pulse pressure and dementia-related death.
Geneticist Laura Raffield, a co-author of the study, hopes that the findings will encourage doctors and researchers to take a closer look at pulse pressure as a dementia risk factor. She noted that pulse pressure is modifiable, and that treating high blood pressure can help reduce pulse pressure.
Takeaways
The study’s findings highlight the importance of monitoring pulse pressure as a means of protecting brain and heart health. By keeping pulse pressure in check, individuals may be able to reduce their risk of dying from dementia. The American Heart Association recommends following a healthy lifestyle, including a balanced diet and regular exercise, to help maintain healthy blood pressure and pulse pressure.
Original reporting: NBC6 Miami — read the source article.
