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Ideal Blood Sugar Range To Lower Risk Of Repeat Strokes, Heart Attacks: Study

Maintaining healthy blood sugar levels can help people with diabetes lower the risk of different types of vascular diseases like a stroke or heart attack later on

Ideal Blood Sugar Range To Lower Risk Of Repeat Strokes, Heart Attacks: Study

Maintaining healthy blood sugar levels can help diabetics keep their heart healthy

A new research has found that for people with diabetes who have a stroke, there may be ideal blood sugar levels to lower the risk of different types of vascular diseases like a stroke or heart attack later on.

The findings of the research were published in the medical journal 'Neurology'.

"We know that having diabetes may be associated with an increased risk of having a first stroke," said study author Moon-Ku Han, MD, PhD, of Seoul National University College of Medicine in Korea.


"But our results indicate that there is an optimal blood sugar level that may start to minimise the risk of having another stroke, a heart attack or other vascular problems, and it's right in the 6.8 per cent to 7.0 per cent range," Han added.

The study involved 18,567 people with diabetes with an average age of 70. All participants were admitted to the hospital for an ischemic stroke, which is caused by a blood clot. Upon admission, researchers used a test called the haemoglobin A1C to determine people's average blood sugar level over the past two to three months.

This test measures a percentage of haemoglobin proteins in the blood coated with sugar. A level below 5.7 per cent is considered normal; 6.5 per cent or higher generally indicates diabetes. The participants had an average A1C of 7.5 per cent.

Researchers then followed up one year later to find out if there was an association between A1C levels with the risk of having another stroke, a heart attack, or dying from these or other vascular causes.

Of all participants, 1,437, or about 8 per cent, had a heart attack or died from the vascular disease within a year of starting the study, and 954, or 5 per cent, had another stroke.

The study found that people admitted to the hospital with A1C levels above the 6.8 per cent to 7.0 per cent range had an increased risk of having a vascular event like a heart attack, as well as having another stroke.

After adjusting for factors like age and sex, researchers found that people's risk for a heart attack or similar vascular diseases was 27 per cent greater when they were admitted to the hospital with A1C levels above 7.0 per cent, compared to those admitted with A1C levels below 6.5 per cent.

People's risk for having another stroke was 28 per cent greater when admitted to the hospital with A1C levels above 7.0 per cent, compared to those below 6.5 per cent.

"Our findings highlight the importance of keeping a close eye on your blood sugar if you're diabetic and have had a stroke," Han said.


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A limitation of the study is that people's blood sugar levels were measured only at the start of the study; no follow-up levels were available.

(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)

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