ArticleEuropean radiology2025
Visual ordinal grading of aortic valve calcification on routine non-gated chest CT predicts prognosis and alters management.
Article in European radiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Article
- Calcific Aortic Valve Disease Assessment: Strengths and Challenges.Echocardiography (Mount Kisco, N.Y.) · 2025Article
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveBSCI/BSTI guidelines recommend reporting aortic valve calcification (AVC) on all chest CTs regardless of indication. We assessed AVC frequency, severity, and association with aortic stenosis (AS) on echocardiography and its prognostic implications.
methodsRetrospective, single-centre analysis of consecutive chest CTs (January-December 2015) for 200 patients per age group (< 40, 40-49, 50-59, 60-69, 70-79, 80-89, ≥ 90) performed for medical, surgical, and oncological indications. CTs were re-reviewed for the presence and graded severity of AVC and coronary artery calcification (CAC). Corresponding echocardiography reports (within 5 years) reviewed for AS. Comorbidities and clinical outcomes were recorded.
resultsOne thousand three hundred seventy-seven patients were included (mean age 64 ± 20 years, 55% female). AVC was present in 25% (350/1377) and was more prevalent in males (p < 0.001). Frequency and severity increased with age (p < 0.001). 38% (524/1377) had an echocardiogram (median inter-test interval 4.3 months [IQR 0.4-17.5]). Sixteen per cent (29/178) with AVC had AS of any severity (8% [15/178] mild; 8% [14/178] moderate; 0% [0/178] severe). Sensitivity and specificity for AVC predicting AS were 91% and 70%, respectively. Extrapolating findings, 8% of individuals with AVC and without an echocardiogram may have undiagnosed AS. All-cause mortality occurred in 53% (734/1377), which AVC predicted independently of CAC and age (p < 0.001). Adjusting for confounders, severe AVC predicted all-cause mortality (HR 1.56 [1.10-2.22], p = 0.013).
conclusionsAVC identified AS in 16% of patients. Additionally, severe AVC is an independent predictor of all-cause mortality in multivariable analysis. Validation in a prospective cohort is required to inform clinical practice guidelines. KEY POINTS: Question New guidelines recommend reporting AVC on all non-gated chest CTs, the prognostic and clinical relevance of which is uncertain. Findings There are associations between visually quantified AVC, AS on echocardiography, and all-cause mortality in an unselected population referred for routine chest CT. Clinical relevance These results support the reporting of all severities of AVC, especially severe AVC, as a prognostic marker in all age groups. The clinical implications require further clarification in a prospective cohort.
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