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Wednesday, March 20, 2013

'Statins Could Increase Kidney Damage'- Daily Express Headline Today

The following is on the front page of today's Daily Express newspaper:

 A wonderdrug taken daily by millions of Britons to control cholestrol could dramatically increase the risk of kidney damage, research finds.

  Statins could dramatically increase kidney damage risk new research finds

High doses of statins, prescribed to ­prevent heart disease and stroke, are linked to higher rates of acute kidney injury, they say.
The risk is highest in the first 120 days of treatment and stays raised for at least two years after patients start taking the pills. Leading doctors are now warning that the drugs should only be prescribed at a low dose where possible.

Author of the Canadian report, Professor Colin Dormuth, said: “In some cases, patients may be exposed to unnecessary risk of kidney damage for small gains in cardiovascular health. Although the absolute risk of kidney damage with these drugs is low, our findings put into question the common approach of using higher doses to push cholesterol levels lower and lower.”

Researchers from Dr Dormuth’s University of British Columbia and the Lady Davis Institute at the Jewish General Hospital in Montreal studied more than two million statin users.

They found that patients taking higher strength pills were more at risk of suffering acute kidney injury.

They were at a 34 per cent greater danger of being hospitalised with kidney problems within 120 days of starting treatment with high-dose statins than low-dose pills.

About one in 500 patients were hospitalised for acute kidney injury within a period of up to two years – the length of the study – after starting a lower strength statin, according to study published on bmj.com.

Acute kidney injury, or acute renal failure, is the term used when the kidneys cannot remove salt, water and waste products from the blood.

Dr Pierre Ernst, professor of medicine at the McGill University Centre for Clinical Epidemiology in Montreal, who was involved in the research, said: “We are not saying don’t take statins.
“If you are giving patients a high dose statin, let’s make sure there is a good reason. A high dose might be beneficial for those who have had a heart attack or have high cholesterol, and then they are life-saving.

“But for the 40-year-old woman who exercises, doesn’t have high blood pressure and only slightly raised cholesterol, there is no need to put her on a high dose.”

Cholesterol-controlling pill linked to kidney damage

Prof Peter Weissberg, British Heart Foundation medical director, said: “Most people in the UK are on low doses of statins. Further research is needed to establish whether it is the statins or the underlying blood vessel disease in people taking high doses that causes kidney problems.”

Statins considered to be high potency were rosuvastatin at doses of 10mg or higher, atorvastatin at doses of 20mg or higher, and simvastatin at doses of 40mg or more.

All other statins were considered low potency. Simvastatin is the most frequently prescribed statin in the UK. Statins are extremely effective at reducing the fatty substance which clogs arteries, triggering heart attack or stroke. More than eight million Britons take statins and heart experts say that if five million more took them it would cut heart attacks and stroke by 10,000 a year, saving 2,000 lives.

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