Invasive assessment of coronary artery disease

Stylianos A Pyxaras1, William Wijns2, Johan H C Reiber3

  • 1Cardiology Department, Coburg-Clinic, Ketschendorfer Str. 33, 96450, Coburg, Germany. steliospyxaras@gmail.com.

Insights

Accurate diagnosis of coronary artery disease during heart catheterization is crucial. Integrating anatomical and functional data improves prognostic stratification and guides treatment for better patient outcomes.

Area of Science:

  • Cardiology
  • Medical Imaging
  • Interventional Cardiology

Background:

  • Coronary artery disease (CAD) presents significant mortality and morbidity.
  • Accurate diagnostic assessment during heart catheterization is vital for prognosis and treatment.
  • Intravascular imaging modalities complement coronary angiography for precise atherosclerotic burden quantification.

Purpose of the Study:

  • To review the current state-of-the-art invasive diagnostic methods used in heart catheterization.
  • To highlight the role of integrating anatomical and functional information in diagnosing coronary artery disease.

Main Methods:

  • Review of current invasive diagnostic techniques in heart catheterization.
  • Discussion of intravascular imaging modalities: intravascular ultrasound (IVUS) and optical coherence tomography (OCT).
  • Explanation of hemodynamic assessment using fractional flow reserve (FFR) and instantaneous wave-free ratio (iFR).

Main Results:

  • Intravascular imaging allows precise quantification of atherosclerotic burden.
  • FFR and iFR serve as coronary flow surrogates to assess stenosis relevance.
  • Integration of anatomical and functional data offers a comprehensive approach.

Conclusions:

  • Invasive diagnostic methods during heart catheterization are essential for managing coronary artery disease.
  • Combining anatomical imaging with functional flow assessment enhances diagnostic accuracy.
  • Future strategies may leverage integrated data for improved percutaneous coronary intervention guidance.

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