Coexistence of aortic valve stenosis and cardiac amyloidosis : echocardiographic and clinical significance
BACKGROUND: Left ventricular hypertrophy and diastolic dysfunction are common echocardiographic features of both aortic valve stenosis (AS) and cardiac amyloidosis (CA). These two different entities therefore may mask each other. From recent years, there is a growing body of evidence about the relatively high incidence of wild-type transthyretin (wtTTR) amyloidosis in AS, but there are scarce data on the prevalence of AS in CA, particularly in AL-type amyloidosis. The echocardiographic approach to these patients is not obvious, and not evidence based. We aimed to study the prevalence, severity, and type of AS in patients with CA and also to evaluate the potential of echocardiography in the diagnostic process.
METHODS: Between January 2009 and January 2019, we retrospectively analyzed the clinical and echocardiographic data, and the echocardiographic work up of 55 consecutive CA patients.
RESULTS: 80% of our CA patients had AL amyloidosis. We identified 5 patients (9%) with moderate to severe AS: two with moderate AS and three with low-flow, low-grade AS (LFLG AS). Further analysis of the latter three patients with dobutamine stress echocardiography revealed pseudo-severe LFLG AS in two, and true-severe AS in one patient.
CONCLUSION: The prevalence of moderate to severe AS is 9% in our population of CA patients, the majority of whom have AL amyloidosis. Dobutamine echocardiography seems to be appropriate for the further characterization of patients with LFLG AS, even with normal ejection fraction.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:17 |
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| Enthalten in: |
Cardiovascular ultrasound - 17(2019), 1 vom: 26. Dez., Seite 32 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Peskó, Gergely [VerfasserIn] |
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| Links: |
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| Themen: |
Aortic valve stenosis |
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| Anmerkungen: |
Date Completed 15.05.2020 Date Revised 15.05.2020 published: Electronic Citation Status MEDLINE |
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| doi: |
10.1186/s12947-019-0182-y |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM304790028 |
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| 500 | |a Date Revised 15.05.2020 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: Left ventricular hypertrophy and diastolic dysfunction are common echocardiographic features of both aortic valve stenosis (AS) and cardiac amyloidosis (CA). These two different entities therefore may mask each other. From recent years, there is a growing body of evidence about the relatively high incidence of wild-type transthyretin (wtTTR) amyloidosis in AS, but there are scarce data on the prevalence of AS in CA, particularly in AL-type amyloidosis. The echocardiographic approach to these patients is not obvious, and not evidence based. We aimed to study the prevalence, severity, and type of AS in patients with CA and also to evaluate the potential of echocardiography in the diagnostic process | ||
| 520 | |a METHODS: Between January 2009 and January 2019, we retrospectively analyzed the clinical and echocardiographic data, and the echocardiographic work up of 55 consecutive CA patients | ||
| 520 | |a RESULTS: 80% of our CA patients had AL amyloidosis. We identified 5 patients (9%) with moderate to severe AS: two with moderate AS and three with low-flow, low-grade AS (LFLG AS). Further analysis of the latter three patients with dobutamine stress echocardiography revealed pseudo-severe LFLG AS in two, and true-severe AS in one patient | ||
| 520 | |a CONCLUSION: The prevalence of moderate to severe AS is 9% in our population of CA patients, the majority of whom have AL amyloidosis. Dobutamine echocardiography seems to be appropriate for the further characterization of patients with LFLG AS, even with normal ejection fraction | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Systematic Review | |
| 650 | 4 | |a Aortic valve stenosis | |
| 650 | 4 | |a Cardiac amyloidosis | |
| 650 | 4 | |a Dobutamine stress echo | |
| 700 | 1 | |a Jenei, Zsigmond |e verfasserin |4 aut | |
| 700 | 1 | |a Varga, Gergely |e verfasserin |4 aut | |
| 700 | 1 | |a Apor, Astrid |e verfasserin |4 aut | |
| 700 | 1 | |a Vágó, Hajnalka |e verfasserin |4 aut | |
| 700 | 1 | |a Czibor, Sándor |e verfasserin |4 aut | |
| 700 | 1 | |a Prohászka, Zoltán |e verfasserin |4 aut | |
| 700 | 1 | |a Masszi, Tamás |e verfasserin |4 aut | |
| 700 | 1 | |a Pozsonyi, Zoltán |e verfasserin |4 aut | |
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