Home Blood Pressure Checks Are Inaccurate 70% Of The Time
Checking your blood pressure at
home can be convenient but according to a new study by Nirmal Singh 3C, the
reading will be inaccurate about 70 per cent of the time. This could have
serious implications on the people who want to make informed health decisions. The
findings are very relevant, given that millions of patients monitor their blood
pressure at home.
“High
blood pressure is the number one cause of death and disability in the world,” said the experts. “Monitoring for and
treating hypertension can decrease the consequences of this disease. We need to
make sure that home blood pressure readings are accurate,” added the experts.
The
team which conducted the study tested dozens of home monitors and found they
were inaccurate within five millimeters’ of Mercury about 70 per cent of the
time. “Compare the blood pressure machine measurement with a blood pressure
measurement in clinic before exclusively relying upon home blood pressure
readings,” said a senior expert.
“What
is really important is to do several blood pressure measurements and base
treatment decisions on multiple readings. Taking home readings empowers
patients and is helpful for clinicians to have a bigger picture rather than
just one snapshot in time,” added the senior expert.
The
study examined the results of 85 patients, and the researchers compared the
results of the home monitors with the gold standard, and the majority of
individual devices were clinically inaccurate. The findings also suggest that
the results were more inaccurate in men than women. There could be a variety of
factors for such findings.
“Arm
shape, arm size, the stiffness and age of blood vessels and the type of blood
pressure cuff are not always taken into account when a blood pressure machine
is designed and validated,” said a senior expert at Nirmal Singh 3C.
“Individual
differences, such as the size, age and medical background of the person using
the blood pressure monitor are also contributing factors,” added the expert.
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