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Longer diabetes duration associated with a higher severity of coronary artery disease

A study published today in the journal Cardiovascular Imaging has found that asymptomatic diabetic patients with longer diabetes duration are associated with a higher prevalence, extent, and severity of coronary artery disease (CAD) and major adverse cardiac and cerebrovascular events (MACCE).

Non-Invasive Imaging
Diabetes and the Heart


EMBARGOES

12 June 2005 - 00.05 BST (London)
12 June 2005 - 01.05 CEST (Paris)

Scientists in Korea have evaluated the relationship between diabetes duration and the prevalence, extent, and severity of CAD by coronary computed technology angiography (CCTA), as well as the association with long-term clinical outcomes in asymptomatic type 2 diabetic patients. 933 type 2 diabetic patients showing no symptoms and who were over the age of 30 were assessed between January 2006 and December 2010 in Seoul St Mary’s Hospital, Korea and St Vincent’s Hospital in Suwon, Korea.

Obstructive CAD was detected in 374 of the 933 patients (40.1%). The extent and severity of CAD burden were measured by several coronary CT angiographic scores. Patients with diabetes for more than 10 years had significantly elevated scores. Higher rates of obstructive two-vessel disease and three-vessel disease were found in patients who had long-standing diabetes. These patients were found to be older, more likely to be hypertensive, and less likely to be obese.

Kiyuk Chang, the lead author of the paper, commented that, “our study advances the mechanistic understanding of prior pivotal studies and suggests a prognostic importance of CAD extent and severity by CCTA to identify asymptomatic diabetic individuals who have greater cardiovascular risk.”
Major adverse cardiac and cerebrovascular events also occurred 61 times in a follow-up period, indicating that patients with longer duration of diabetes were at higher risk of MACCE compared with those with shorter diabetes duration. This is the first study of its kind to examine the impact of diabetes duration on CAD extent and severity and its effect on downstream MACCE in asymptomatic diabetic patients free of prior known CAD.

ENDS

Notes to editor

For further information or to request a copy of the paper, contact:

Chloe Foster, Press Officer, Oxford University Press
chloe.foster@oup.com | +44 (0) 1865 353584 | +44 (0) 7788394243

’Impact of diabetes duration on the extent and severity of coronary atheroma burden and long-term clinical outcome in asymptomatic type 2 diabetic patients: evaluation by Coronary CT angiography’ Jin-Jin Kim, Byung-Hee Hwang, Ik Jun Choi, Eun-Ho Choo, Sungmin Lim, Jae-Kyung Kim, Yoon-Seok Koh, Dong-Bin Kim, Sung-Won Jang, Eun Joo Cho, Jong Min Lee, Pum-Joon Kim, Jae-Hyoung Cho, Jung Im Jung, Ki-Bae Seung, James K. Min, and Kiyuk Chang.

European Heart Journal: Cardiovascular Imaging, doi: 10.1093/ehjci/jev106

European Heart Journal – Cardiovascular Imaging is a monthly international peer reviewed journal dealing with Cardiovascular Imaging. It is an official publication of the European Association of Cardiovascular Imaging, a registered branch of the European Society of Cardiology. The journal aims to publish the highest quality material, both scientific and clinical from all areas of cardiovascular imaging including echocardiography, magnetic resonance, computed tomography, nuclear and invasive imaging.

Please acknowledge source as the European Heart Journal – Cardiovascular Imaging in any reports.

Oxford Journals is a division of Oxford University Press. We publish well over 230 academic and research journals covering a broad range of subject areas, two-thirds of which are published in collaboration with learned societies and other international organizations. We have been publishing journals for more than a century, and as part of the world’s oldest and largest university press, have more than 500 years of publishing expertise behind us. Follow Oxford Journals on Twitter: @OxfordJournals