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It is never too late to start statins for clogged leg arteries

Peripheral Vascular and Cerebrovascular Disease
Peripheral Artery Disease

Paris, France – 3 Sept 2019: Statins are linked with reduced mortality in patients with peripheral arterial disease, even when started late after diagnosis, reports a study presented today at ESC Congress 2019 together with the World Congress of Cardiology (1). Patients who stop the drug are at similar risk to those who never start. The research shows the importance of starting and adhering to lifelong medication, preferably at a high dose.

Around 200 million people worldwide have peripheral arterial disease (PAD), a condition in which arteries in the legs are clogged. This restricts blood flow to the legs and raises the chances of stroke and heart attack. Around 30% of patients have pain and cramping in their legs when they walk – referred to as intermittent claudication – while others have gangrene in the feet due to poor circulation.

Statins are recommended for all patients with PAD, together with smoking cessation, exercise, healthy diet, and weight loss. (2) Statins diminish the risk of stroke and heart attack by reducing low-density lipoprotein (LDL) cholesterol, which causes blocked arteries (atherosclerosis).

But adherence to statins is low: over the past five years, just 57% of patients in Europe took the medication as directed. In 2016 to 2017, only one-third of patients on statins reached the LDL cholesterol target of below 1.8 mmol/L (70 mg/ dl). (3)

This study examined whether adherence to statin therapy influenced survival in patients with symptomatic PAD. The study enrolled 691 patients admitted to hospital between 2010 and 2017 and followed-up for a median of 50 months.

At the beginning of the study, 73% of patients were on statins, increasing to 81% at the 50-month follow-up. The dose of drug also increased between the two time periods, which was paralleled by a significant drop in LDL cholesterol from 97 to 82 mg/dL.

Patients who stopped taking a statin had a similar mortality rate (33%) to those who never took the drug (34%). Adhering to statins throughout the 50 months was linked with a 20% rate of death.

Taking high-dose statins throughout the study was linked with the lowest mortality rate (10%), while reducing the dosage during the study was related to the highest death rate (43%).

Study author Dr Jörn Dopheide of Bern University Hospital, Switzerland said: “The study shows that adherence to statins is essential for the best prognosis. We also show that it is never too late to start medication and benefit from it. On top of that, it is crucial not to reduce the dose because LDL cholesterol levels rise again, thus increasing the overall risk on top of the residual risk for further events.”

He concluded: “All PAD patients should take statins, preferably very potent statins, like rosuvastatin 40 mg or atorvastatin 80 mg, or at the highest tolerable dose. In the rare case of statin intolerance, which was around 2% in our study, alternative lipid lowering therapies must be considered.”


Notes to editor

Notes to editors

Authors: ESC Press Office 
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The hashtag for ESC Congress 2019 together with the World Congress of Cardiology is #ESCCongress

Funding: No funding.

Disclosures: No conflict of interest.

References and notes

(1) The abstract “Adherence to statin therapy drives survival of patients with symptomatic peripheral artery disease” will be presented during:

(2) 2017 ESC Guidelines on the Diagnosis and Treatment of Peripheral Arterial Diseases, in collaboration with the European Society for Vascular Surgery (ESVS). Eur Heart J. 2018;39:763–821. doi:10.1093/eurheartj/ehx095.

(3) Kotseva K, De Backer G, De Bacquer D, et al. Lifestyle and impact on cardiovascular risk factor control in coronary patients across 27 countries: Results from the European Society of Cardiology ESC-EORP EUROASPIRE V registry. Eur J Prev Cardiol. 2019;26:824–835. doi: 10.1177/2047487318825350.

About ESC Congress

ESC Congress is the world’s largest gathering of cardiovascular professionals contributing to global awareness of the latest clinical trials and breakthrough discoveries. ESC Congress 2019 together with the World Congress of Cardiology takes place from 31 August to 4 September at the Expo Porte de Versailles in Paris, France. Explore the scientific programme.

About the European Society of Cardiology 

The European Society of Cardiology brings together health care professionals from more than 150 countries, working to advance cardiovascular medicine and help people lead longer, healthier lives.

This press release accompanies both a presentation and an ESC press conference at ESC Congress 2019 together with the World Congress of Cardiology. It does not necessarily reflect the opinion of the European Society of Cardiology.