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AIMS: Asymmetric wall thickening has been described in patients with aortic stenosis. However, it remains poorly characterized and its prognostic implications are unclear. We hypothesized this pattern of adaptation is associated with advanced remodelling, left ventricular decompenzation, and a poor prognosis. METHODS AND RESULTS: In a prospective observational cohort study, 166 patients with aortic stenosis (age 69, 69% males, mean aortic valve area 1.0 ± 0.4 cm2) and 37 age and sex-matched healthy volunteers underwent phenotypic characterization with comprehensive clinical, imaging, and biomarker evaluation. Asymmetric wall thickening on both echocardiography and cardiovascular magnetic resonance was defined as regional wall thickening ≥ 13 mm and > 1.5-fold the thickness of the opposing myocardial segment. Although no control subject had asymmetric wall thickening, it was observed in 26% (n = 43) of patients with aortic stenosis using magnetic resonance and 17% (n = 29) using echocardiography. Despite similar demographics, co-morbidities, valve narrowing, myocardial hypertrophy, and fibrosis, patients with asymmetric wall thickening had increased cardiac troponin I and brain natriuretic peptide concentrations (both P 

Original publication




Journal article


Eur heart j cardiovasc imaging

Publication Date





347 - 356


Adaptation, Physiological, Aged, Aortic Valve Stenosis, Cardiomegaly, Case-Control Studies, Confidence Intervals, Echocardiography, Female, Gadolinium, Humans, Magnetic Resonance Imaging, Cine, Male, Middle Aged, Myocardium, Prognosis, Proportional Hazards Models, Prospective Studies, Reference Values, Risk Assessment, Severity of Illness Index, Survival Rate, Transcatheter Aortic Valve Replacement, Treatment Outcome