Facing the chill wind of blood pressure

May 22, 2013

(Medical Xpress)—High blood pressure is something that has traditionally been a problem in Scotland, but might there be a link to our climate?

A new study has found that some people's blood pressure is affected more by the and this blood pressure sensitivity to temperature may be a marker of early .

Sandosh Padmanabhan, Reader at the Institute of Cardiovascular and Medical Sciences at the University of Glasgow said: "This is a unique study as it shows that response to weather – and particularly temperature – can be reflected in blood pressure and is specific to the individual."

The study involved assessing over 169,000 blood pressure measurements in 16,010 patients who attended the Glasgow Blood Pressure Clinic between 1970 and 2011. Each patient's blood pressure measured at every clinic visit was mapped to prevailing in the area on that day and the response of blood pressure to weather determined.

The team found that on average the blood pressure of an individual drops 2% each year if weather is similar on the two visits. However, if the temperature between consecutive visits fell from the highest quartile to the lowest quartile, then the patients' blood pressure rose by 2.1%. The same was true for a reduction in sunshine, showing a 2.3% increase. Increases in air-frost and from the bottom to top quartiles were associated with 1.4% and 0.8% rises respectively in blood pressure. Patients differed in their response to weather, with temperature-sensitive patients showing worse during follow-up and a 35% increased risk of long-term mortality compared to the temperature non-sensitive patients.

Sandosh Padmanabhan said "This is the first study to show the effect of different weather parameters on blood pressure measurements. Knowing a patient's blood pressure response to weather can help reduce unnecessary antihypertensive treatment modification and identify temperature sensitive individuals who are at higher risk for further risk reduction measures."

Explore further: Test can identify patients with hypertension at higher risk of death

More information: hyper.ahajournals.org/content/early/2013/05/06/HYPERTENSIONAHA.111.00686.full.pdf

Related Stories

Yogurt consumption, blood pressure, and incident hypertension

September 19, 2012

Adding more yogurt to your diet without increasing the number of calories you eat may help lower your risk of high blood pressure, according to new research presented at the American Heart Association's High Blood Pressure ...

Free online program helps reduce blood pressure

March 5, 2013

People with high blood pressure enrolled in a clinical pharmacist-led web-based monitoring program were more likely to lower their pressure to recommended level than people who did not use the program.

Recommended for you

Children born in the summer more likely to be healthy adults

October 12, 2015

Women who were born in the summer are more likely to be healthy adults, suggests new research published in the journal Heliyon. The authors of the study, which involved almost half a million people in the UK, say more sunlight ...

Mobile app records our erratic eating habits

September 24, 2015

Breakfast, lunch, and dinner? For too many of us, the three meals of the day go more like: office meeting pastry, mid-afternoon energy drink, and midnight pizza. In Cell Metabolism on September 24, Salk Institute scientists ...


Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.