Normative values for carotid intima media thickness and its progression: Are they transferrable outside of their cohort of origin?

Ximing Liao, Giuseppe D. Norata, Joseph F. Polak, Coen D.A. Stehouwer, Alberico Catapano, Tatjana Rundek, Marat Ezhov, Dirk Sander, Simon G. Thompson, Matthias W. Lorenz, Tatyana Balakhonova, Maya Safarova, Liliana Grigore, Jean Philippe Empana, Hung Ju Lin, Stela McLachlan, Lena Bokemark, Kimmo Ronkainen, Ulf Schminke, Lars LindPeter Willeit, David N. Yanez, Helmuth Steinmetz, Holger Poppert, Moise Desvarieux, M. Arfan Ikram, Stein Harald Johnsen, Bernhard Iglseder, Alfonsa Friera, Wuxiang Xie, Matthieu Plichart, Ta Chen Su, Sathanur R. Srinivasan, Caroline Schmidt, Tomi Pekka Tuomainen, Henry Völzke, Giel Nijpels, Johann Willeit, Oscar H. Franco, Carmen Suarez, Dong Zhao, Pierre Ducimetiere, Kuo Liong Chien, Christine Robertson, Göran Bergström, Jussi Kauhanen, Marcus Dörr, Jaqueline M. Dekker, Stefan Kiechl, Matthias Sitzer, Horst Bickel, Ralph L. Sacco, Albert Hofman, Ellisiv B. Mathiesen, Rafael Gabriel, Jing Liu, Gerald Berenson, Maryam Kavousi, Jackie F. Price

Publikation: Beitrag in FachzeitschriftArtikelBegutachtung

34 Zitate (Scopus)

Abstract

Background The clinical use of carotid intima media thickness (cIMT) requires normal values, which may be subject to variation of geographical factors, ethnicity or measurement details. The influence of these factors has rarely been studied. The aim of this study was to determine whether normative cIMT values and their association with event risk are generalizable across populations. Design Meta-analysis of individual participant data. Method From 22 general population cohorts from Europe, North America and Asia we selected subjects free of cardiovascular disease. Percentiles of cIMT and cIMT progression were assessed separately for every cohort. Cox proportional hazards models for vascular events were used to estimate hazard ratios for cIMT in each cohort. The estimates were pooled across Europe, North America and Asia, with random effects meta-analysis. The influence of geography, ethnicity and ultrasound protocols on cIMT values and on the hazard ratios was examined by meta-regression. Results Geographical factors, ethnicity and the ultrasound protocol had influence neither on the percentiles of cIMT and its progression, nor on the hazard ratios of cIMT for vascular events. Heterogeneity for percentiles of cIMT and cIMT progression was too large to create meaningful normative values. Conclusions The distribution of cIMT values is too heterogeneous to define universal or regional population reference values. CIMT values vary widely between different studies regardless of ethnicity, geographic location and ultrasound protocol. Prediction of vascular events with cIMT values was more consistent across all cohorts, ethnicities and regions.

OriginalspracheEnglisch
Seiten (von - bis)1165-1173
Seitenumfang9
FachzeitschriftEuropean Journal of Preventive Cardiology
Jahrgang23
Ausgabenummer11
DOIs
PublikationsstatusVeröffentlicht - 1 Juli 2016

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