Amyloid diseases of the heart: current and future therapies

S W Dubrey1, R L Comenzo

  • 1Department of Cardiology, Hillingdon Hospital, Pield Heath Road, Uxbridge, Middlesex, UB8 3NN, UK. simon.dubrey@thh.nhs.uk

Insights

Amyloidosis, a heart disease from protein buildup, has many types. Accurate diagnosis is crucial for effective treatment of these amyloid cardiomyopathies.

Area of Science:

  • Cardiology
  • Internal Medicine
  • Genetics

Background:

  • Amyloid diseases arise from over 23 precursor proteins.
  • Cardiologists commonly see light chain (AL) amyloidosis, senile systemic amyloidosis (SSA), and hereditary transthyretin amyloidosis.
  • Secondary amyloidosis (AA) is prevalent in developing nations due to infections.

Purpose of the Study:

  • To review the diverse spectrum of amyloid cardiomyopathies.
  • To highlight the importance of accurate amyloid typing for treatment.
  • To discuss various therapeutic approaches for cardiac amyloidosis.

Main Methods:

  • Literature review of amyloidosis types and their cardiac manifestations.
  • Analysis of clinical outcomes based on amyloid type and disease extent.
  • Discussion of diagnostic and therapeutic strategies.

Main Results:

  • Heart involvement in amyloidosis can have severe consequences.
  • Clinical outcomes vary significantly based on amyloid type and systemic spread.
  • Non-transthyretin variants and isolated atrial amyloid have different clinical implications.

Conclusions:

  • Precise determination of amyloid type is essential for guiding therapy.
  • Effective management of amyloid cardiomyopathies requires understanding the specific amyloid protein involved.
  • This review outlines critical treatment approaches for various amyloidosis types affecting the heart.

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