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.
Abstract

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