Low-dose steroids ‘bad for the heart’, study finds - PMRGCAuk

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Low-dose steroids ‘bad for the heart’, study finds

piglette profile image
18 Replies

I don’t know if this us fake news

LOW doses of steroids widely prescribed to treat a range of inflammatory diseases may be linked to an increased risk of cardiovascular diseases, research has found.

For patients using less than five milligrams of prednisolone (a standard glucocorticoid) per day, the risk of cardiovascular disease nearly doubled, compared with patients not using glucocorticoids.

While high doses of steroids are known to increase the risk of cardiovascular disease, scientists say the impact of lower doses was previously unknown.

Prednisolone is used to treat a wide range of health problems including allergies, blood disorders, skin diseases, infections, certain cancers and to prevent organ rejection after a transplant.

Figures from 2011 show that about 1 per cent of the general population receives systemic glucocorticoids. Long-term oral glucocorticoid prescriptions had increased by 34 per cent over the 20 years before then.

In a study published yesterday, researchers analysed medical records of 87,794 patients diagnosed with six different immune-mediated inflammatory diseases in the UK from 1998-2017.

They found that even patients taking low doses may have double the risk of developing cardiovascular diseases.

Increased dose-dependent risks were found across all measured cardiovascular diseases, including atrial fibrillation, heart failure, acute myocardial infarction, peripheral arterial disease, cerebrovascular disease, and abdominal aortic aneurysm.

The researchers say it was previously thought that taking 5mg of glucocorticoid over the long term was safe.

According to the researchers, the study indicates patients needing long-term steroid treatment should be prescribed the lowest effective dose.

The study published in PLOS Medicine by Mar Pujades-Rodriguez at Leeds University, suggests patients should have a personalised cardiovascular risk prevention plan that accounts for past and current steroid use. The researchers write: “These results highlight the importance of prompt and regular monitoring of cardiovascular risk and use of primary prevention treatment at all glucocorticoid doses.”

However, Kevin McConway, emeritus professor of applied statistics at The Open University, said: “It’s important to note that these results don’t tell us anything direct about people who take this type of steroid drug for other health conditions, because such people were not included in this study.

“They also don’t tell us about steroid drugs being taken by other routes (such as inhalers) rather than swallowing them.

“It’s also important to note that, even of the patients with the particular inflammatory diseases that they studied, the researchers found that a great number of them were not using the drugs in question. Only 16 per cent of them had been prescribed oral glucocorticoids in the year before the researchers started following them up.”

He added: “Some of the increases in risk, even for people taking relatively small doses of these drugs compared to people taking none at all, may sound somewhat alarming, but this has to be put into the context that the risks are not huge to begin with.

“The researchers estimated that the risk of cardiovascular disease, in people with the diseases in question who did not use these drugs at all, was 1.4 per cent in a year, which is not particularly large given their average age (they were 58, on average, when they entered the study).”

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18 Replies
PMRpro profile image
PMRproAmbassador

Ah well - you need what you need and I imagine that unmanaged inflammation has a fairish effect on the risk for cardiovascular disease!!We KNOW we should be on the lowest EFFECTIVE dose. And Kevin McConway is right on the money ...

No doubt they would link my atrial fibrillation to being on pred. I had a/f long before pred - and it is due to the autoimmune part of PMR. In fact, it is less at higher doses of pred and is part of the reason I am on the dose I am.

Omanain profile image
Omanain in reply to PMRpro

It says it doubles the risk. But what is the risk in the first place?

PMRpro profile image
PMRproAmbassador in reply to Omanain

Exactly - one and a half times not a lot at all is still not a lot ...

piglette profile image
piglette in reply to PMRpro

Use and Abuse of Statistics!

HeronNS profile image
HeronNS

So if the increased risk for patients with the same diseases but not taking steroids is 1.6 % then it's still only 3.2 % for those of us who are. Considering cardiovascular disease is the leading cause of death* worldwide anyway I don't think I'm going to lose any sleep over this finding! *Does this mean that most of us die of broken hearts?

Maisie1958 profile image
Maisie1958

Read this in the Telegraph this morning and had a look at the original paper too. Think I would be in a worse state without my tiny dose of Prednisolone though. Heigh ho.

yogabonnie profile image
yogabonnie

and maybe because with the PMR.. we slow down and don't exercise as much?? and then it isn't really prednisone related, but life style. I read so many who say they did a lot before etc etc. ..... ???? AND we get older. not sure I am going to get myself in a lather over this one as I USUALLY do!! ha. you saw how fast I texted my doc with the last bit of info on covid and autoimmune disease!

Tonch profile image
Tonch

Well my QRISK score not taking Pred or PMR into account was 13% within 10years anyhow, so without any other considerations, this now doubles to 26%! =1 in 4. As my dad died of MI at 38, and I’m 60, reckon I’m on borrowed time! 😆. I’m pleased I’ve managed to go to zero over last few days then and will soldier on.

HeronNS profile image
HeronNS in reply to Tonch

I've lived longer than both of my parents - my mother by nearly 70 years and my father by nine. Probably being a non-smoker helps.

GOOD_GRIEF profile image
GOOD_GRIEF

I would also like to know whether any consideration was given to the fact that long term immune conditions themselves effect the cardiovascular system. They might not be seeing the effects of the pred. They may be seeing the long term effects of the condition.

HeronNS profile image
HeronNS in reply to GOOD_GRIEF

I think the increased risk for people with rheumatic diseases who don't take steroids is given as 1.6% at the end of the article, and for those who do take steroids that very small risk is doubled.

GOOD_GRIEF profile image
GOOD_GRIEF in reply to HeronNS

Yes, I see that now.

But I'd have to see more regarding how this study was conducted, and who sponsored it, before I buy the conclusions stated.

HeronNS profile image
HeronNS in reply to GOOD_GRIEF

Also we don't know why people seem slighyly more vulnerable. But maybe it's something really simple, like the steroids causing electrolyte imbalance.

Jan_Noack profile image
Jan_Noack in reply to HeronNS

But they should do a study with the same conditions with no steroids (or perhaps very low steroids <2.5mg), low dose steroids (3-6mg), and higher dose (say 9mg or above) steroids.. and see what the heart risk is?

fmkkm profile image
fmkkm

The flip side is, I have to ask what my risk is for blindness and/or aneurysm without pred.

Sandradsn profile image
Sandradsn

Maybe that's why our GPs are eager for us to get off pred within the 2 years.

David-42 profile image
David-42

After three & a half years on prednisolone, for PMR, I finally stopped mid November 2019. On January 1st 2020 I had an MI that resulted in stents inserted in to two coronary arteries to relieve the partial blockage due to atheroma. Apart from age (78) I never had any of the risk factors connected to heart attacks. I am not convinced by the study that steroids had any appreciable link to the MI. I suspect that the arthrosclerosis was due to my over consumption of unhealthy fat, until around the age of 45, when I became more aware of the possible consequences. Perhaps I should have taken statins earlier, but I am sure there are lots of different opinions on this topic.

Mollbhan profile image
Mollbhan

Probably true however ' needs must when the devil drives' as the saying goes.

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