Echocardiographic assessment of the cardiac amyloidoses

Area of Science:

• Cardiology
• Medical Imaging
• Cardiomyopathy Research

Background:

• Cardiac amyloidosis presents as a restrictive cardiomyopathy with thickened left ventricular (LV) walls.
• Heart failure in this condition is primarily a diastolic dysfunction, progressing to systolic impairment late in the disease.
• Echocardiography is a key noninvasive tool for evaluating cardiac structure and function.

Purpose of the Study:

• To review the advancements in echocardiography for cardiac amyloidosis.
• To highlight the crucial role of echocardiography in diagnosis and management.
• To discuss the prognostic value of various echocardiographic techniques.

Main Methods:

• Utilizing M-mode and 2-dimensional echocardiography to assess LV wall thickness.
• Employing Doppler flow measurements to evaluate diastolic LV dysfunction.
• Implementing tissue Doppler imaging and speckle tracking echocardiography for subtle systolic and diastolic function assessment.

Main Results:

• Echocardiography effectively detects increased LV wall thickness characteristic of cardiac amyloidosis.
• Doppler and tissue Doppler imaging provide prognostic information on diastolic and systolic dysfunction.
• LV longitudinal strain analysis offers enhanced accuracy in functional and prognostic assessment.

Conclusions:

• Echocardiography is indispensable for the diagnosis and management of cardiac amyloidosis.
• Progressive echocardiographic techniques, particularly strain imaging, improve the understanding of cardiac function and patient outcomes.
• This review underscores the evolving capabilities of echocardiography in addressing this complex cardiomyopathy.