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Angiographic segment size in patients referred for coronary intervention is influenced by constitutional, anatomical,
Pedro A Lemos1, Expedito E Ribeiro, Marco A Perin
1Interventional Cardiology, Heart Institute (InCor), University of São Paulo Medical School, São Paulo, Brazil. pedro.lemos@incor.usp.br
Insights
Patient height, weight, diabetes, and vessel location significantly impact coronary vessel size for stenting. These factors collectively influence the reference diameter in patients undergoing percutaneous coronary intervention.
Area of Science:
- Cardiovascular Medicine
- Interventional Cardiology
- Medical Imaging
Background:
- Factors influencing coronary vessel size in patients undergoing intervention are not well understood.
- Understanding these factors is crucial for optimizing percutaneous coronary intervention (PCI) outcomes.
Purpose of the Study:
- To investigate the relationship between patient characteristics and the reference diameter of coronary vessels treated with stenting.
- To identify predictors of coronary vessel size in a large cohort undergoing PCI.
Main Methods:
- Analysis of 4,850 de novo coronary lesions in native vessels.
- Evaluation of constitutional (age, gender, height, weight), anatomical (proximal location, vessel type), and clinical (diabetes, hypertension, multivessel disease, presentation) features.
Main Results:
- The average reference vessel diameter was 2.66 ± 0.50 mm.
- Univariate analysis showed all factors, except hypertension, significantly related to vessel diameter.
- Multivariate analysis identified diabetes, proximal location, multivessel disease, clinical presentation, vessel type, weight, and height as independent predictors.
Conclusions:
- Coronary vessel reference diameter at stenting sites is significantly influenced by multiple patient characteristics.
- These factors, including constitutional, anatomical, and clinical features, collectively determine the treated segment size.
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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