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Published Online
on December 6, 2007

Arteriosclerosis, Thrombosis, and Vascular Biology. 2007
Published online before print December 6, 2007, doi: 10.1161/ATVBAHA.107.151928
A more recent version of this article appeared on February 1, 2008
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*Carotid Artery Disease

Submitted on July 17, 2007
Accepted on November 16, 2007

Tea Consumption Is Inversely Associated With Carotid Plaques in Women

Stéphanie Debette ; Dominique Courbon ; Nathalie Leone ; Jérôme Gariépy ; Christophe Tzourio ; Jean-François Dartigues ; Pascale Barberger-Gateau ; Karen Ritchie ; Annick Alpérovitch ; Philippe Amouyel ; Pierre Ducimetière ; and Mahmoud Zureik *

From Inserm, U744 (S.D., D.C., P.A., M.Z.), Lille; Department of Neurology (EA2691) (S.D.), University Hospital of Lille; Inserm, U700 (D.C., N.L., M.Z.), Paris; Inserm, U708 (C.T., A.A.), Paris; Inserm, U593 (J.F.D., P.B.G.), Bordeaux; Inserm, E0361 (K.R.), Montpellier; Inserm, U780 (P.D.), Paris; Centre de Médecine Préventive Cardiovasculaire (J.G.), Broussais Hospital, Paris, France.

* To whom correspondence should be addressed. E-mail: zureik{at}bichat.inserm.fr.

Objective—The aim of this study was to assess the relationship of tea consumption with common carotid artery intima-media thickness (CCA-IMT) and carotid plaques.

Methods and Results—The study was performed on 6597 subjects aged ≥65 years, recruited in the French population for the Three-City Study. Atherosclerotic plaques in the extracranial carotid arteries and CCA-IMT were measured using a standardized protocol. Results were tested for replication in another, younger, French population sample (EVA-Study, 1123 subjects). In the Three-City Study, increasing daily tea consumption was associated with a lower prevalence of carotid plaques in women: 44.0%, 42.5%, and 33.7% in women drinking no tea, 1 to 2 cups/d, and ≥3 cups/d (P=0.0001). This association was independent of age, center, major vascular risk factors, educational level, and dietary habits (adjOR=0.68[95%CI:0.54 to 0.86] for women drinking ≥3 cups/d compared with none). There was no association of tea consumption with carotid plaques in men, or CCA-IMT in both genders. In the EVA-Study, carotid plaque frequency was 18.8%, 18.5%, and 8.9% in women drinking no tea, 1 to 2 cups/d, and ≥3 cups/d (P=0.08).

Conclusion—In a large sample of elderly community subjects we showed for the first time that carotid plaques were less frequent with increasing tea consumption in women.


Key words: plaque • carotid arteries • atherosclerosis • intima-media thickness • tea