Angiographic Segment Size in Patients Referred for Coronary Intervention is Influenced by Constitutional, Anatomical, and Clinical Features |
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Authors: | Pedro A. Lemos Expedito E. Ribeiro Marco A. Perin Luiz J. Kajita Marco A. de Magalhães João L. A. A. Falcão Antonio Esteves Filho Marcus N. da Gama Pedro E. Horta Gilberto G. Marchiori Andre G. Spadaro Eulógio E. Martinez |
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Affiliation: | 1. Interventional Cardiology, Heart Institute (InCor), University of S?o Paulo Medical School, S?o Paulo, Brazil
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Abstract: | Background 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. Methods 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. Results 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. Conclusion 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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Keywords: | Coronary artery disease Restenosis Stent Vessel size |
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