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European Calcific Coronary Artery Disease (Euro-CCAD) study: the relationship between coronary calcification and flow limiting lesion in symptomatic patients
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Kardiologi.
Umeå universitet, Medicinska fakulteten, Institutionen för strålningsvetenskaper, Radiofysik.
Umeå universitet, Medicinska fakulteten, Institutionen för folkhälsa och klinisk medicin, Kardiologi.
Vise andre og tillknytning
2013 (engelsk)Inngår i: European Heart Journal, ISSN 0195-668X, E-ISSN 1522-9645, Vol. 34, nr Supplement: 1, s. 723-723Artikkel i tidsskrift, Meeting abstract (Annet vitenskapelig) Published
Abstract [en]

Background and aim: This study is a part of the Euro-CCAD (CalcificCoronary Artery Disease) project, investigating the geographic prevalence of a coronary artery calcium (CAC) score of >400 in patients with no flow-limiting lesions (FLL) as a potential cause for stable angina. With the development of computerized tomographic coronaryangiography (CTCA), assessment of CAC has become less fashionable, although CTCA often fails to determine the exact cause of symptoms in the absence of FLLs.

Methods: Data from consecutive symptomatic intermediate risk patients (as defined by guidelines), who had both CA and calcium scoring, were compared between USA and Europe as well as between Europeancountries (Denmark, Germany, France and Spain). No patient had a priorcoronary event, intervention, valve disease or kidney failure.

Results: The inclusion criteria were fulfilled in 4,444 patients, (60% males), mean age 59.3 years (SD 11.3 years). The prevalence of FLL was higher in the USA at 53% (983/1851) than in Europe at 34% (870/2593) as a whole, (p<0.001). The FLL prevalence was also different (p<0.001) within Europe: Denmark 16%, Germany 35%, France 46% and Spain 89%. In patients with no FLL, 9% had CAC >400, with no difference in prevalence between the USA and Europe, irrespective of age and gender. However, within Europe the prevalence of patients without FLL and with a CAC score >400 differed: Spain 22%, Germany 13%, France 10% and Denmark 7%. Within the total patient population 22% of those with CAC score >400 had no FLL.

Conclusion: Despite the known variability in the current management of symptomatic angina patients at intermediate risk between the USA andEuropean countries, a consistent proportion (nearly 10%) exhibits severe CAC in the absence of flow limiting lesions. The presence of severe CAC could explain their symptoms through compromised coronary flow reserve. These results highlight the potential value of obtaining additional anatomical information by using CAC assessment in symptomatic patients.

sted, utgiver, år, opplag, sider
Oxford University Press, 2013. Vol. 34, nr Supplement: 1, s. 723-723
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Identifikatorer
URN: urn:nbn:se:umu:diva-85334DOI: 10.1093/eurheartj/eht309.P4005ISI: 000327744604384OAI: oai:DiVA.org:umu-85334DiVA, id: diva2:693287
Konferanse
Congress of the European-Society-of-Cardiology (ESC), AUG 31-SEP 04, 2013, Amsterdam, NETHERLANDS
Tilgjengelig fra: 2014-02-04 Laget: 2014-01-31 Sist oppdatert: 2018-06-08bibliografisk kontrollert

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