Carotid plaque-thickness and common carotid IMT show additive value in cardiovascular risk prediction and reclassification

被引:69
作者
Amato, Mauro [1 ]
Veglia, Fabrizio [1 ]
de Faire, Ulf [2 ,3 ]
Giral, Philippe [4 ]
Rauramaa, Rainer [5 ]
Smit, Andries J. [6 ]
Kurl, Sudhir [7 ]
Ravani, Alessio [1 ]
Frigerio, Beatrice [1 ]
Sansaro, Daniela [1 ]
Bonomi, Alice [1 ]
Tedesco, Calogero C. [1 ]
Castelnuovo, Samuela [8 ]
Mannarino, Elmo [9 ]
Humphries, Steve E. [10 ]
Hamsten, Anders [11 ]
Tremoli, Elena [1 ]
Baldassarre, Damiano [1 ,12 ,13 ]
机构
[1] IRCCS, Ctr Cardiol Monzino, Via Parea 4, I-20138 Milan, Italy
[2] Karolinska Inst, Inst Environm Med, Div Cardiovasc Epidemiol, Stockholm, Sweden
[3] Karolinska Inst, Karolinska Univ Hosp, Dept Cardiol, Stockholm, Sweden
[4] Grp Hop Pitie Salpetriere, AP HP, Serv Endocrinol Metab, Unites Prevent Cardiovasc, Paris, France
[5] Kuopio Res Inst Exercise Med, Fdn Res Hlth Exercise & Nutr, Kuopio, Finland
[6] Univ Groningen, Univ Med Ctr Groningen, Dept Med, Groningen, Netherlands
[7] Univ Eastern Finland, Inst Publ Hlth & Clin Nutr, Kuopio Campus, Kuopio, Finland
[8] Osped Ca Granda di Niguarda, Ctr Dislipidemie E Grossi Paoletti, Milan, Italy
[9] Univ Perugia, Dept Clin & Expt Med, Internal Med Angiol & Arteriosclerosis Dis, Perugia, Italy
[10] UCL, Inst Cardiovasc Sci, British Heart Fdn Labs, Cardiovasc Genet, Rayne Bldg, London, England
[11] Karolinska Inst, Dept Med Solna, Cardiovasc Med Unit, Stockholm, Sweden
[12] Univ Milan, Dipartimento Sci Farmacol & Biomol, Milan, Italy
[13] Univ Milan, Dept Med Biotechnol & Translat Med, Milan, Italy
基金
瑞典研究理事会;
关键词
Carotid intima-media thickness; Cardiovascular risk factors; Cardiovascular clinical research; Atherosclerosis; Prevention; Coronary artery disease; INTIMA-MEDIA THICKNESS; CORONARY-HEART-DISEASE; ATHEROSCLEROSIS RISK; GENETIC RESEARCH; VASCULAR EVENTS; STROKE; ULTRASOUND; ASSOCIATION; PROGRESSION; IDENTIFY;
D O I
10.1016/j.atherosclerosis.2017.05.023
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Background and aims: Carotid plaque size and the mean common carotid intima-media thickness measured in plaque-free areas (PF CC-IMTmean) have been identified as predictors of vascular events (VEs), but their complementarity in risk prediction and stratification is still unresolved. The aim of this study was to evaluate the independence of carotid plaque thickness and PF CC-IMTmean in cardiovascular risk prediction and risk stratification. Methods: The IMPROVE-study is a European cohort (n = 3703), where the thickness of the largest plaque detected in the whole carotid tree was indexed as cIMT(max). PF CC-IMTmean was also assessed. Hazard Ratios (HR) comparing the top quartiles of cIMT(max) and PF CC-IMTmean versus their respective 1-3 quartiles were calculated using Cox regression. Results: After a 36.2-month follow-up, there were 215 VEs (125 coronary, 73 cerebral and 17 peripheral). Both cIMT(max) and PF CC-IMTmean were mutually independent predictors of combined-VEs, after adjustment for center, age, sex, risk factors and pharmacological treatment [HR (95% CI) = 1.98 (1.47, 2.67) and 1.68 (1.23, 2.29), respectively]. Both variables were independent predictors of cerebrovascular events (ischemic stroke, transient ischemic attack), while only cIMT(max) was an independent predictor of coronary events (myocardial infarction, sudden cardiac death, angina pectoris, angioplasty, coronary bypass grafting). In reclassification analyses, PF CC-IMTmean significantly adds to a model including both Framingham Risk Factors and cIMT(max) (Integrated Discrimination Improvement; IDI = 0.009; p = 0.0001) and vice-versa (IDI = 0.02; p < 0.0001). Conclusions: cIMT(max) and PF CC-IMTmean are independent predictors of VEs, and as such, they should be used as additive rather than alternative variables in models for cardiovascular risk prediction and reclassification. (C) 2017 The Authors. Published by Elsevier Ireland Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
引用
收藏
页码:412 / 419
页数:8
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