Traditionally the 120/80 mmHg blood pressure (BP) reading is considered to be ideal. Despite the changing lifestyles and stress that form a major part of everyday life the Indian health experts still vouch for the traditional BP reading - even a tad lower - for all age groups.
A significant research published in the Heart Asia had warned that the European and North American blood pressure guidelines - issued in 2014 at 140/90 mmHg being the new normal - may actually increase the stroke risk if adapted for Asian patients, particularly the elderly.
‘The European and North American blood pressure guidelines issued in 2014 suggested that 140/90 mmHg is the new normal. However, this may actually increase the stroke risk if adapted for Asian patients, particularly the elderly. Indian health experts still vouch for the traditional 120/80 mm Hg BP reading for all age groups.’
AdvertisementThe authors said, "High blood pressure is a key risk factor for stroke, but the link between the two is much stronger in Asians than it is in Europeans or North Americans."
Dr. Manoj Kumar, associate director (department of cardiology) at Max Hospital in the capital, said, "I agree that there has been a shift in the trend because of high sodium intake, lack of exercise, workplace stress and high levels of stress, but 120/80 is what one should aim to achieve."
The World Health Statistics suggest that 23.10% men and 22.60% women above 25 years suffer from hypertension in India.
When your heart beats, it contracts and pushes blood through the arteries to the rest of the body. This force creates pressure on the arteries and is called systolic blood pressure (top reading). A normal systolic BP reading is 120 or a bit less. The diastolic blood pressure number or the bottom number indicates the pressure in the arteries when the heart rests between beats. A normal diastolic blood pressure number is 80 or a bit less.
Dr. Neeraj Bhalla, director and senior consultant (cardiology) at BLK Superspecialty Hospitals, said, "We currently recommend the western guidelines, specially JNC8, where 140/90 is the cut off value for diagnosing and initiating treatment of hypertension."
The Eighth Joint National Committee (JNC8) in the US recently released evidence-based recommendations for the management of hypertension in adults. These recommendations suggest that treatment should be initiated when blood pressure is 150/90 mmHg or higher in adults 60 years and older, or 140/90 mmHg or higher in adults younger than 60 years.
The guidelines add, "If the target blood pressure is not reached within one month after initiating therapy, the dosage of the initial medication should be increased, or a second medication should be added."
However, when it comes to Indian patients, there is a lack of large scale randomized, controlled trials.
There is currently a trial by the name of SPRINT in North American patients where a BP reading less than 120/80 reduced incidence of cardio-vascular events in participants over a period of time.
Dr. Subhash Chandra, chairman, (cardiology) at BLK, said, "Following the JNC8 guidelines published in 2014, the consensus for target BP was less than 140/90. However after the recent SPRINT trial, it should be even less than 120/80 as has been the practice for the last several decades."
Dr. Bharat Kukreti, senior consultant (cardiology) at Paras Hospital in Gurgaon shared a recent case study of 26-year-old Sid who came to him with the complaint of headache and visual blurring. He said, "When his BP was measured, it came 200/130. Medications were given on priority and he felt better. If timely action was not taken then he would have suffered from either brain hemorrhage or heart failure."
Those with less than 140/90 or pre-hypertensive reading, should go for lifestyle modification. Dr. Kumar who has seen many patients with hypertension who were investigated and treated successfully with anti-hypertensive drugs said, "Low sodium intake, periodical evaluation of blood pressure and regular exercise are the keys. However, medication can aid if the BP crosses 140/90. Try yoga and meditation. I highly recommend yoga and meditation to my patients. It is not a cure on its own but clubbed with proper medication, can help curb hypertension."
An ideal weight, low salt intake (not more than five gram a day), regular exercise, abstinence from tobacco and smoking, moderate alcohol intake (45ml drink thrice a week) is what he suggests to control the BP. Those with a family history of hypertension are advised to check their BP regularly. Doctors also advise dietary approach to stop hypertension. For a 2100 K-calorie diet daily, fats should contribute about 27% of which saturated fats should only be 6%, proteins 18% and carbohydrates about 55%. Daily recommendation for sodium intake is around 2.3 gram, potassium around 4.7 gram, calcium 1.25 gram and magnesium 500 mg.
Dr. Bhalla said, "We should take at least 30 grams of fibers daily and cholesterol intake should be less than 150 mg. Nearly 30-45 minutes of moderate intensity exercise for five days a week is a sure bonus."
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