Untangling Amyloidosis: Recent Advances in Cardiac Amyloidosis

Darae Kim1, Jin-Oh Choi1, Kihyun Kim2

  • 1Division of Cardiology, Department of Medicine, Heart Vascular Stroke Institute, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.

Insights

Cardiac amyloidosis (CA), a common cause of heart failure, is increasingly treatable. Early diagnosis of amyloid light-chain (AL) and amyloid transthyretin (ATTR) CA is key for effective disease-modifying therapies and improved patient survival.

Area of Science:

  • Cardiology
  • Internal Medicine
  • Medical Diagnostics

Background:

  • Cardiac amyloidosis (CA) is an underdiagnosed cause of heart failure.
  • Amyloid light-chain (AL) and amyloid transthyretin (ATTR) are the primary subtypes of CA.
  • Amyloid deposits impair cardiac function through mechanical infiltration and cardiotoxicity.

Purpose of the Study:

  • To highlight the importance of recognizing "red flag symptoms" for timely CA diagnosis.
  • To discuss advancements in non-invasive diagnostic methods, particularly for ATTR CA.
  • To review current and emerging treatment options for AL and ATTR CA.

Main Methods:

  • Review of current literature on cardiac amyloidosis diagnosis and management.
  • Emphasis on clinical presentation and diagnostic red flags.
  • Discussion of evolving non-invasive imaging techniques and therapeutic strategies.

Main Results:

  • Timely diagnosis of CA is crucial for initiating disease-modifying therapies.
  • Non-biopsy diagnosis is increasingly feasible for ATTR CA with advanced imaging.
  • Significant treatment advancements have improved survival rates for both AL and ATTR CA.

Conclusions:

  • Cardiac amyloidosis is a treatable condition with recent diagnostic and therapeutic progress.
  • Multidisciplinary team approaches are essential for managing this systemic disease.
  • Increased physician awareness of CA red flags can improve patient outcomes.

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