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Angiographic Segment Size in Patients Referred for Coronary Intervention is Influenced by Constitutional, Anatomical, and Clinical Features

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Factors influencing the size of target vessels of patients referred for coronary intervention are poorly defined. We aimed to investigate in a large series of patients undergoing percutaneous intervention the relation of constitutional, anatomical, and clinical features with the reference diameter of coronary vessels treated with stenting.


A total of 4,850 de novo coronary lesions, non-ostial and non-bifurcational, located in native vessels were analyzed. The following pre-specified characteristics were analyzed to reflect the relation between constitutional, anatomical, and clinical features on reference vessel diameter: age, gender, height, weight, proximal location, vessel, diabetes, hypertension, multivessel disease, and clinical presentation.


The average reference diameter was 2.66  ±  0.50 mm. All pre-specified markers had a significant relation with the vessel reference diameter at univariate analysis, except by hypertension which showed a strong tendency. However, at multivariate analysis, only diabetes, proximal location, multivessel disease, clinical presentation, vessel, weight, and height were identified as independent predictors of reference vessel diameter.


Reference diameter of coronary vessels at the site of lesions treated by stenting is significantly influenced by a variety of characteristics. We hypothesize that the treated segment size of patients undergoing stenting ultimately reflects the conjoint effect of several different factors, including constitutional, anatomical, and clinical features.

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The authors wish to thank Mrs. Patricia G. Pereira for her assistance in the analysis of quantitative coronary angiography.

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Correspondence to Pedro A. Lemos.

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Lemos, P., Ribeiro, E., Perin, M. et al. Angiographic Segment Size in Patients Referred for Coronary Intervention is Influenced by Constitutional, Anatomical, and Clinical Features. Int J Cardiovasc Imaging 23, 1–7 (2007).

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