ArticleCardio-oncology (London, England)2025
Evaluation of a screening algorithm to detect cardiac amyloidosis in mild to severe aortic valve stenosis.
Article in Cardio-oncology (London, England), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05010980 (Early Detection of Cardiac Amyloidosis Among Patients With Aortic Valve Stenosis.), which is not on this map. Not yet cited in PubMed.
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The trial behind it
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Early Detection of Cardiac Amyloidosis Among Patients With Aortic Valve Stenosis.
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15 authors.
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Abstract
backgroundCardiac Amyloidosis (CA) remains highly underdiagnosed, especially among patients with causes of increased ventricular wall thickness, such as aortic stenosis (AS). The prevalence of CA throughout the spectrum of mild to severe AS is unknown and specific validated diagnostic parameters for this population are lacking. Here, we propose and prospectively evaluate a screening algorithm for CA among patients with mild to severe AS.
methodsIn this prospective, single-center study (NCT05010980), we included patients ≥ 65 years with mild to severe AS, an interventricular septum thickness > 11 mm, and at least one of the following criteria: Sokolow-Lyon-Index to left ventricular mass index ratio < 1.6 or stroke volume index < 35 ml/m2. Participants were prospectively screened for CA according to current guideline recommendations.
resultsAfter screening 2126 patients of whom 187 were eligible, 57 participants were enrolled and completed the diagnostic work-up. Mean age was 83 ± 0.7 years and 71% were male. 30% of the participants had mild, 37% had moderate and 33% had severe AS, respectively. Overall 26% of participants were diagnosed with CA. The prevalence of CA was higher among patients with mild AS (41%) compared to participants with moderate (24%) or severe AS (16%, p = 0.01). Within this preselected patient population, troponin (AUC:0.9, p < 0.0001) and NT-proBNP (AUC:0.86, p < 0.0001) further improved discrimination of patients with and without CA.
conclusionThe prevalence of CA among AS patients fulfilling the preselected inclusion criteria was high, especially among those with mild to moderate AS. Implementing these criteria in clinical protocols could improve early diagnosis of CA.
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