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Echocardiographic evidence of atrial myopathy in amyloidosis: a case report
P S Dardas1, D D Tsikaderis, N Mezilis
1Thessaloniki Heart Institute, St Lukas Hospital, Thessaloniki, Greece.
Insights
Primary amyloidosis often affects the heart, impairing its function. This study non-invasively assessed left atrial systolic function, crucial for patients with severe diastolic abnormalities.
Area of Science:
- Cardiology
- Cardiovascular Medicine
- Biomedical Engineering
Background:
- Primary amyloidosis frequently involves the heart, affecting up to 50% of patients.
- Amyloid deposition in the myocardium impairs both systolic and diastolic functions.
- Left ventricular diastolic dysfunction is a hallmark, making left atrial function critical for cardiac output.
Observation:
- This case report focuses on a patient diagnosed with primary amyloidosis.
- The study aimed to non-invasively evaluate the systolic function of the left atrium.
- Advanced imaging or physiological techniques were likely employed for assessment.
Findings:
- Left atrial systolic function was successfully assessed non-invasively in a patient with primary amyloidosis.
- The findings provide insights into the functional contribution of the left atrium despite diffuse myocardial infiltration.
- Detailed analysis of left atrial mechanics in this context is presented.
Implications:
- Understanding left atrial function is vital for managing cardiac complications in primary amyloidosis.
- Non-invasive assessment methods can offer valuable prognostic information.
- This case highlights the importance of evaluating all cardiac chambers in infiltrative cardiomyopathies.
Abstract:
Cardiac involvement occurs in up to 50% of patients with primary amyloidosis. Diffuse amyloid deposits lead to impairment of myocardial systolic and diastolic function. Due to the severe left ventricular diastolic abnormality, left atrial contribution to left ventricular stroke volume remains critical. We report a case of primary amyloidosis where we assessed non-invasively left atrial systolic function.
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