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Guidelines on diabetes and cardiovascular diseases published today

August 31, 2019

Paris, France - 31 Aug 2019: The European Society of Cardiology (ESC) Guidelines on diabetes, pre-diabetes and cardiovascular diseases are published online today in European Heart Journal,(1) and on the ESC website.(2) They were developed in collaboration with the European Association for the Study of Diabetes (EASD).

Professor Francesco Cosentino, ESC Chairperson of the guidelines Task Force and professor of cardiology at the Karolinska Institute and Karolinska University Hospital in Stockholm, Sweden said: "The emphasis of these guidelines is to provide state of the art information on how to prevent and manage the effects of diabetes on the heart and vasculature, with a focus on new data that has emerged since the 2013 document."

Professor Peter J. Grant, EASD Chairperson of the guidelines Task Force and professor of medicine at the University of Leeds, UK said: "Recent trials have shown the cardiovascular safety and efficacy of SGLT2 inhibitors and GLP-1 receptor agonists for type 2 diabetes. We provide clear recommendations here."

The global prevalence of diabetes continues to increase. It is predicted that more than 600 million individuals will develop type 2 diabetes worldwide by 2045, with around the same number developing pre-diabetes. Estimates state that diabetes affects 10% of populations in previously underdeveloped countries such as China and India, which are now adopting western lifestyles, and 60 million Europeans, of which half are undiagnosed.

"These figures pose serious questions to developing economies, where the very individuals who support economic growth are those most likely to develop type 2 diabetes and to die of premature cardiovascular disease," states the document.

Healthy behaviours are the mainstay of preventing cardiovascular disease. Lifestyle changes are now advised to avoid or delay the conversion of pre-diabetes states, such as impaired glucose tolerance, to diabetes. Physical activity, for example, delays conversion, improves glycaemic control and reduces cardiovascular complications.

The document states that moderate alcohol intake should not be promoted as a means to protect against cardiovascular disease. "There has been a long-standing view that moderate alcohol intake has beneficial effects on the prevalence of cardiovascular disease," said Prof Grant. "Two high-profile analyses have reported this is not the case and that alcohol consumption does not appear to be beneficial. On the basis of these new findings we changed our recommendations."

Self-monitoring of blood glucose and blood pressure is advocated for patients with diabetes to achieve better control. Data has emerged to implicate glucose variability in the causes of heart disease in diabetes. In addition, glucose variation at night is particularly linked with hypoglycaemia and deterioration in quality of life.

"This indicates that it is no longer appropriate to depend on occasional glucose measures to manage control, particularly in type 1 diabetes," said Prof Cosentino. "At the same time, flash technology has been developed which uses a small sensor worn on the skin to continuously monitor glucose levels. Similar arguments pertain to home blood pressure monitoring."

Statins are not recommended in diabetic women of childbearing potential and should be used with caution in young people. "We have no experience of the effects of 50 or 60 years of statin use in an individual and we do not advocate non-essential drugs in pregnancy when the potential adverse effects on the unborn child are unknown," explained Prof Grant.

Clinical trials on the cardiovascular safety of medications for type 2 diabetes have led to a paradigm shift in glucose-lowering treatment. Two groups of diabetes drugs - GLP-1 receptor agonists and gliflozins - showed cardiovascular safety and benefit in patients with diabetes who either already had heart disease and/or had multiple risk factors.

"Our main recommendation in the light of these findings is that GLP-1 receptor agonists and gliflozins should be used as first line treatment in type 2 diabetes patients with established cardiovascular disease or at high risk of cardiovascular disease," said Prof Cosentino.

Drugs that prevent blood clots - non-vitamin K antagonist oral anticoagulants, specifically rivaroxaban - have been reported to benefit peripheral vascular disease and should be considered in combination with aspirin for patients with diabetes who have poor circulation in the legs.

PCSK9 inhibitors are advised for patients with diabetes at very high risk of cardiovascular disease who do not achieve low-density lipoprotein (LDL) cholesterol goals despite treatment with statins. In these patients, a more ambitious LDL cholesterol target of below 1.4 mmol/L is recommended.

Lifestyle advice for patients with diabetes and pre-diabetes
  • Quit smoking.
  • Reduce calorie intake to lower excessive body weight.
  • Adopt a Mediterranean diet supplemented with olive oil and/or nuts to lower the risk of cardiovascular events.
  • Avoid alcohol.
  • Do moderate-to-vigorous physical activity (a combination of aerobic and resistance exercise) at least 150 minutes per week to prevent/control diabetes - unless contraindicated, such as in patients with severe comorbidities or limited life expectancy.
-end-
Notes to editors

Authors: ESC Press Office
Mobile: +33 (0) 7 8531 2036
Email: press@escardio.org

Follow us on Twitter @ESCardioNews

The hashtag for ESC Congress 2019 together with the World Congress of Cardiology is #ESCCongress

Funding: None.

Disclosures: The disclosure forms of all experts involved in the development of these guidelines are available on the ESC website http://www.escardio.org/guidelines.

References and notes

(1) 2019 ESC Guidelines on diabetes, pre-diabetes and cardiovascular diseases developed in collaboration with the EASD. European Heart Journal. 2019. doi:10.1093/eurheartj/ehz486.

(2) ESC Guidelines on the ESC website.

Guidelines at ESC Congress 2019 together with the World Congress of Cardiology The ESC Diabetes, Pre-diabetes and Cardiovascular Diseases Guidelines will be featured in:
  • ESC Guidelines 2019 - Overview on 1 September at 08:30.
  • ESC Guidelines 2019 - Diabetes, Pre-diabetes and Cardiovascular Diseases on 2 September at 14:30.
  • Meet the Guidelines Task Force - Diabetes, Pre-diabetes and Cardiovascular Diseases on 2 September at 15:50.
  • Congress Condensed - ESC Clinical Practice Guidelines 2019 on 4 September at 09:00.
Associated Derivative Products can be found via the ESC website.

Download the free ESC Pocket Guidelines App for all mobile devices.

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. http://spo.escardio.org/default.aspx?eevtid=1423

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.

European Society of Cardiology

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