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New high BP guideline a ‘wake-up call’ for lifestyle change, say cardiologists

The American Heart Association’s recent decision — to lower the baseline blood pressure parameters and redefine high blood pressure as a reading of 130/80, down from 140/90 — has been welcomed by various Mumbai-based cardiologists and surgeons.

Written by Anuradha Mascarenhas | Pune | Published: November 16, 2017 5:18:04 am
High blood pressure, blood pressure treatment, American Heart Association, American College of Cardiology, health news, indian express news The new guidelines create categories including ‘elevated’, ‘Stage 1 and 2 hypertension’ and ‘hypertensive crisis’, for blood pressure readings. Normal blood pressure still will be considered 120 over 80. (Source: File Photo)

The American Heart Association’s recent decision — to lower the baseline blood pressure parameters and redefine high blood pressure as a reading of 130/80, down from 140/90 — has been welcomed by various city-based cardiologists and surgeons.

There was a need to tighten the definition of high blood pressure, said Dr A B Chandorkar, interventional cardiologist who has been actively involved in setting up norms and methods of primary prevention. The new guidelines create categories including ‘elevated’, ‘Stage 1 and 2 hypertension’ and ‘hypertensive crisis’, for blood pressure readings. Normal blood pressure still will be considered 120 over 80.

“Hypertension is the most prevalent public health issue that contributes to the maximum number of deaths and disease. Our understanding of hypertension has been dynamic and concepts get redefined with new evidence.  Experienced doctors have come up time and again with new guidelines. In 2003, the JNC 7 or the seventh report of the Joint National Committee’s report on prevention, detection, evaluation and treatment of high blood pressure had shown that starting from 110/75, every addition of blood pressure by 20 mm systolic and 10 mm diastolic would double the risk of heart attacks, strokes and kidney failure,” said Chandorkar.

While systolic reading refers to the pressure when the heart contracts and sends blood through the arteries, diastolic pressure is measured when the heart relaxes between beats. These recent guidelines by the AHA and others, after conducting exhaustive studies, have shown that the blood pressure level to be aimed at is 130/80, especially among individuals at risk of heart attack, diabetes or stroke. For people who are at a high risk for developing heart disease over a period of time, it is crucial to work aggressively to lower their blood pressure level to 130/80. People with risk factors like obesity, tobacco usage and others also need to reasonably maintain blood pressure levels at 130/80, added the cardiologist.

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