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Genetic Analysis of Hereditary Transthyretin Ala97Ser Related Amyloidosis
Published on: June 9, 2018
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[Cardiac amyloidosis : a rare disease ?]
Sarah Hugelshofer1, René N'koulou2, Pierre Monney1,3
1Service de cardiologie, CHUV, 1011 Lausanne.
Revue Medicale Suisse
|May 23, 2019
Summary
Cardiac amyloidosis, an infiltrative cardiomyopathy, can lead to heart failure. Early diagnosis using bone scintigraphy is crucial for better outcomes, especially with new therapies available.
Area of Science:
- Cardiology
- Cardiovascular Diseases
- Infiltrative Cardiomyopathies
Background:
- Cardiac amyloidosis is a progressive infiltrative cardiomyopathy often leading to heart failure with preserved ejection fraction.
- Causes include genetic mutations, neoplasia (in younger patients), and a prevalent non-genetic form in older adults (formerly senile amyloidosis).
- Late-stage disease carries a poor prognosis, underscoring the need for early detection.
Purpose of the Study:
- To highlight the importance of early diagnosis of cardiac amyloidosis.
- To emphasize the diagnostic utility of bone scintigraphy.
- To advocate for a proactive diagnostic strategy in light of emerging therapies.
Main Methods:
- Review of diagnostic approaches for cardiac amyloidosis.
- Evaluation of bone scintigraphy as a sensitive diagnostic tool.
- Consideration of emerging disease-modifying therapies.
Main Results:
- Cardiac amyloidosis is more prevalent than previously thought.
- Bone scintigraphy is a recognized sensitive method for diagnosing cardiac amyloidosis.
- Early detection is critical due to poor prognosis in advanced stages.
Conclusions:
- A high index of suspicion and thorough initial work-up are essential for timely diagnosis.
- Bone scintigraphy offers a standardized and sensitive diagnostic pathway.
- The availability of new therapies justifies a more aggressive diagnostic approach to cardiac amyloidosis.
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