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Relationship between intima-media thickness in the common carotid artery and atherosclerosis in the carotid bifurcation.
Stroke 1998; 29(7):1378-82S

Abstract

BACKGROUND AND PURPOSE

An increase in intima-media thickness (IMT) in the common carotid artery (CCA) is commonly used as a marker of atherosclerosis. The purpose of this study was to investigate the relationship between IMT in the CCA and atherosclerosis in the carotid bifurcation.

METHODS

182 consecutive patients (mean age, 67 years) referred for carotid duplex scanning were included. We measured IMT and classified plaques by means of a high-resolution ultrasound technique.

RESULTS

IMT was correlated to age, male gender, ischemic heart disease, and presence of plaques or stenoses in any of the carotid bifurcations. In men, IMT was larger on the left than on the right side. Plaques were seen in 163 carotid bifurcations, in 45 of these with > 50% stenosis. On the left side but not on the right, there was a correlation between IMT in the CCA and presence of plaques or stenoses in the carotid bifurcation. Echogenic plaques were more common than echolucent, but the latter caused significantly more stenoses. No relationship was found between plaque echogenicity and IMT.

CONCLUSIONS

IMT of the CCA is correlated to the degree of atherosclerosis in the carotid bifurcations in general and on the left side also to the presence of plaques or stenoses in the left carotid bifurcation. Our results support earlier observations suggesting faster development of carotid atherosclerosis on the left than on the right side. Echogenic plaques were more common and generally smaller than echolucent plaques, but there was no correlation between plaque echogenicity and IMT.

Authors+Show Affiliations

Department of Clinical Physiology, Stockholm Söder Hospital, Sweden. Stefan.Rosfors@Fys.sos.sll.seNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

9660390

Citation

Rosfors, S, et al. "Relationship Between Intima-media Thickness in the Common Carotid Artery and Atherosclerosis in the Carotid Bifurcation." Stroke, vol. 29, no. 7, 1998, pp. 1378-82.
Rosfors S, Hallerstam S, Jensen-Urstad K, et al. Relationship between intima-media thickness in the common carotid artery and atherosclerosis in the carotid bifurcation. Stroke. 1998;29(7):1378-82.
Rosfors, S., Hallerstam, S., Jensen-Urstad, K., Zetterling, M., & Carlström, C. (1998). Relationship between intima-media thickness in the common carotid artery and atherosclerosis in the carotid bifurcation. Stroke, 29(7), pp. 1378-82.
Rosfors S, et al. Relationship Between Intima-media Thickness in the Common Carotid Artery and Atherosclerosis in the Carotid Bifurcation. Stroke. 1998;29(7):1378-82. PubMed PMID: 9660390.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Relationship between intima-media thickness in the common carotid artery and atherosclerosis in the carotid bifurcation. AU - Rosfors,S, AU - Hallerstam,S, AU - Jensen-Urstad,K, AU - Zetterling,M, AU - Carlström,C, PY - 1998/7/11/pubmed PY - 1998/7/11/medline PY - 1998/7/11/entrez SP - 1378 EP - 82 JF - Stroke JO - Stroke VL - 29 IS - 7 N2 - BACKGROUND AND PURPOSE: An increase in intima-media thickness (IMT) in the common carotid artery (CCA) is commonly used as a marker of atherosclerosis. The purpose of this study was to investigate the relationship between IMT in the CCA and atherosclerosis in the carotid bifurcation. METHODS: 182 consecutive patients (mean age, 67 years) referred for carotid duplex scanning were included. We measured IMT and classified plaques by means of a high-resolution ultrasound technique. RESULTS: IMT was correlated to age, male gender, ischemic heart disease, and presence of plaques or stenoses in any of the carotid bifurcations. In men, IMT was larger on the left than on the right side. Plaques were seen in 163 carotid bifurcations, in 45 of these with > 50% stenosis. On the left side but not on the right, there was a correlation between IMT in the CCA and presence of plaques or stenoses in the carotid bifurcation. Echogenic plaques were more common than echolucent, but the latter caused significantly more stenoses. No relationship was found between plaque echogenicity and IMT. CONCLUSIONS: IMT of the CCA is correlated to the degree of atherosclerosis in the carotid bifurcations in general and on the left side also to the presence of plaques or stenoses in the left carotid bifurcation. Our results support earlier observations suggesting faster development of carotid atherosclerosis on the left than on the right side. Echogenic plaques were more common and generally smaller than echolucent plaques, but there was no correlation between plaque echogenicity and IMT. SN - 0039-2499 UR - https://www.unboundmedicine.com/medline/citation/9660390/Relationship_between_intima_media_thickness_in_the_common_carotid_artery_and_atherosclerosis_in_the_carotid_bifurcation_ L2 - http://www.ahajournals.org/doi/full/10.1161/01.str.29.7.1378?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -