Infiltrative Heart Disease

Cardiac Amyloidosis

Protein Deposition in the Heart Leading to Stiff Heart Failure

Cardiac Amyloidosis is a condition where abnormal proteins (amyloid) deposit in the heart muscle, making it stiff and unable to function properly. This leads to progressive heart failure, arrhythmias, and in advanced cases, the need for a heart transplant.

Affects Heart Muscle

Cause Amyloid Deposition

Progression Progressive

Treatment Targeted Therapy / Transplant

Heart Failure Symptoms with No Clear Cause?

Consider infiltrative heart disease evaluation

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What Happens in Cardiac Amyloidosis?

Protein Deposition

Amyloid accumulates

Heart Stiffness

Restrictive pattern

Impaired Filling

Diastolic dysfunction

Heart Failure

Progressive symptoms

Heart failure with thickened heart walls → Important diagnostic clue

Often misdiagnosed as other conditions.

Understanding

What is Cardiac Amyloidosis?

In cardiac amyloidosis:

Abnormal proteins deposit in heart tissue
Heart walls become stiff (restrictive cardiomyopathy)
Filling of heart chambers is impaired

This leads to:

Reduced cardiac output
Fluid accumulation
Progressive heart failure

Classification

Types of Cardiac Amyloidosis

AL (Light Chain) Amyloidosis

Related to blood/plasma cell disorders

ATTR Amyloidosis

Transthyretin protein-related
Hereditary or age-related

Warning Signs

Early Signs & Symptoms

Fatigue

Early Stage

Mild Breathlessness

Early Stage

Swelling in Legs

Progressive

Heart failure with thickened heart walls → Important diagnostic clue

Risk Factors

Causes & Risk Factors

Causes

Protein misfolding disorders
Genetic mutations (in ATTR)

Risk Factors

Older age (ATTR type)
Family history
Blood disorders

Progression

Disease Progression

Early Stage Protein deposition

Moderate Stage Heart stiffness

Severe Stage Heart failure

End Stage Transplant needed

Early Stage

Protein deposition begins

Often asymptomatic

Early Detection

Moderate Stage

Heart stiffness increases

Medical Management

Severe Stage

Heart failure develops

Advanced Therapy

End Stage Heart Failure

Severe dysfunction

Transplant required

Heart Transplant

Testing

Diagnosis & Tests

Echocardiography

Cardiac MRI

Blood and urine tests

Biopsy (confirmatory)

Nuclear imaging (for ATTR type)

Evaluate unexplained heart failure early

Assess your heart function risk

Management

Treatment Options (Before Transplant)

1. Targeted Therapy

Chemotherapy (AL type)
TTR stabilizers (ATTR type)

2. Heart Failure Management

Diuretics
Symptom control

3. Supportive Care

Lifestyle modification
Monitoring

When is Heart Transplant Needed?

Advanced heart failure

Poor response to therapy

Severe functional limitation

Early Diagnosis is Crucial

Specialized treatment can slow progression

Important Consideration: Often Misdiagnosed

• Can mimic other heart diseases • Requires specialized testing • Early treatment improves outcomes

Medical Management vs Transplant

Medical Therapy

Stage: Early/Moderate • Goal: Slow progression • Outcome: Improved survival

Heart Transplant

Stage: Advanced • Goal: Replace heart • Outcome: Life-saving

Overview

Heart Transplant Overview

Suitable in Selected Advanced Cases

Requires Long-Term Follow-up

Good Outcomes with Proper Selection

Planning

Cost & Planning

Costs depend on:

Type of amyloidosis

Need for advanced therapy

Hospital & city

Download Guide

Heart Transplant Cost & Planning Guide

Free & confidential

Get Expert Help

Find Cardiologists

Find Specialist

Explore Amyloidosis Specialists

Access Verified Heart Transplant Centers

Patient Resources

Amyloidosis awareness guide

Symptom monitoring checklist

Medication adherence plan

Genetic counseling guide

Pre-transplant workup

Donor evaluation and legal documentation

These follow structured clinical and legal transplant protocols.

Frequently Asked Questions

Not curable, but manageable.

Some forms (ATTR) are hereditary.

Only in advanced stages.