Bizarre,of course aneurysms burst on a rise in blood pressure.So what,they were ready to burst anyway,it was inevitable for those people.
I was surprised to read that "one in fifty people has a brain aneurysm,but only a few rupture" - about 1 in 7000.
Just had a quick search and found an article that states 90% are congenital,7% arteriosclerotic,0.5% secondary to tumours or traumatic injury.Microaneurysms of small perforating vessels may result from hypertension - therefore looks like hypertension is not a risk factor for the formation of aneurysms,and genetics or factors during embryo development play the greatest role.Forty percent of people with aneurysms have neurological symptoms before rupture such as problems with their speech,balance,fatigue, coordination,short term memory,decreased concentration and changes in behaviour.Headaches not mentioned as a symptom.
In the US only 25% of people who suffer a rupture have a favourable outcome.Aneurysms which are picked up prior to rupture can be treated surgically.
What I did find interesting is that 30,000 people in the US have an aneurysmal rupture each year,whereas,"nearly 29,000 due to bleeding on the brain" in the UK.Probably from a combination of trauma,surgical strokes,bleeding tumours and aneurysms,but conveniently left out.Population of the US is 310 million and the UK 62 million,therefore it looks like the article from the BBC has been deliberately twisted.Do they ever let up?
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Bizarre,of course aneurysms burst on a rise in blood pressure.So...
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