Co-Existing ATTR Amyloidosis and Coronary Artery Disease: A Risky Combination

Arnaud Planchat1, Damien Guijarro1, Yazan Musayeb1

  • 1Structural Heart Unit, Cardiology Division, Department of Medicine Geneva University Hospitals Geneva Switzerland.

Clinical Case Reports
|October 13, 2025
PubMed

Insights

Cardiac amyloidosis complicates coronary artery disease, worsening outcomes after percutaneous coronary intervention (PCI). Multimodal imaging is crucial for diagnosing this challenging condition.

Area of Science:

  • Cardiology
  • Cardiovascular Imaging
  • Amyloidosis Research

Background:

  • Cardiac amyloidosis and coronary artery disease (CAD) present a complex clinical challenge.
  • Amyloid deposition contributes to arteriosclerosis and intramural microvascular dysfunction.
  • Restrictive cardiomyopathy in amyloidosis exacerbates complications during percutaneous coronary intervention (PCI).

Purpose of the Study:

  • To highlight the diagnostic complexities of coexisting cardiac amyloidosis and CAD.
  • To emphasize the impact of amyloidosis on PCI outcomes.
  • To advocate for a multimodal imaging strategy in suspected cardiac amyloidosis.

Main Methods:

  • Review of clinical scenarios involving cardiac amyloidosis and CAD.
  • Analysis of the pathophysiological interplay between amyloid deposition and vascular disease.
  • Discussion of imaging modalities for diagnosing cardiac amyloidosis.

Main Results:

  • Amyloid fibril deposition promotes arteriosclerosis and microvascular disease.
  • Cardiac amyloidosis significantly increases risks associated with PCI.
  • Multimodal imaging aids in the diagnosis of cardiac amyloidosis.

Conclusions:

  • The combined presence of cardiac amyloidosis and CAD poses significant clinical and procedural challenges.
  • Amyloidosis-related heart failure complicates PCI, necessitating careful patient management.
  • A comprehensive, multimodal imaging approach is essential for accurate diagnosis and effective treatment planning.

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