Cited by 49Aortic Disease and Treatment ApproachesCardiac Valve Diseases and TreatmentsConnective tissue disorders research

Characteristic morphologies of the bicuspid aortic valve in patients with genetic syndromes

Niaz, Talha, Poterucha, Joseph T., Olson, Timothy M., Johnson, Jonathan N., Craviari, Cecilia, Nienaber, Thomas, Palfreeman, Jared, Cetta, Frank +1 more·2018·Journal of the American Society of Echocardiography

Abstract

Background In patients with bicuspid aortic valve (BAV), complications including progressive aortic stenosis and aortic dilatation develop over time. The morphology of cusp fusion is one of the determinants of the type and severity of these complications. We present the association of morphology of cusp fusion in BAV patients with distinctive genetic syndromes.Methods The Mayo Clinic echocardiography database was retrospectively reviewed to identify patients (age ≤ 22 years) diagnosed with BAV from 1990 to 2016. Cusp fusion morphology was determined from the echocardiographic studies, while coexisting cardiac defects and genetic syndromes were determined from chart review.Results A total of 1,037 patients with BAV were identified: 550 (53%) had an isolated BAV, 299 (29%) had BAV and a coexisting congenital heart defect, and 188 (18%) had BAV and a coexisting genetic syndrome or disorder. There were no differences in distribution of morphology across the three groups. However, right-noncoronary (RN) cusp fusion was the predominant morphology associated with Down syndrome (P = .002) and right-left (RL) cusp fusion was the predominant morphology associated with Turner syndrome (P = .02), DiGeorge syndrome (P = .02), and Shone syndrome (P = .0007), when compared with valve morphology in patients with isolated BAV. Isolated BAV patients with RN cusp fusion had larger ascending aorta diameter (P = .001) and higher number of patients with ≥ moderate aortic regurgitation (P = .02), while those with RL cusp fusion had larger sinus of Valsalva diameter (P = .0006).Conclusions Morphological subtypes of BAV are associated with different genetic syndromes, suggesting distinct perturbations of developmental pathways in aortic valve malformation.

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Crossref · 10.1016/j.echo.2017.10.008

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Authors
Niaz, T., Poterucha, J. T., Olson, T. M., Johnson, J. N., Craviari, C., Nienaber, T., Palfreeman, J., Cetta, F., & Hagler, D. J.
Affiliations
Mayo Clinic (US)
Corresponding author
Hagler, Donald J.
Venue
Journal of the American Society of Echocardiography
Publisher
Elsevier BV
Published
2018-02
Volume
31
Issue
2
Pages
194-200
ISSN
0894-7317 (ISSN-L)
OpenAlex
W2769972255
Cited by
49
References
29
Citations by year
2026: 2 · 2025: 4 · 2024: 8 · 2023: 4 · 2022: 7 · 2021: 13 · 2020: 6 · 2019: 1 · 2018: 4
FWCI
2.50
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of the American Society of Echocardiography (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Aortic Disease and Treatment Approaches
  • Health Sciences › Medicine › Cardiology and Cardiovascular Medicine › Cardiac Valve Diseases and Treatments
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Connective tissue disorders research
Keywords
bicuspid aortic valve, genetic syndromes, Down syndrome, Turner syndrome, 22q11.2 deletion syndrome, Shone syndrome, congenital heart disease, aortic stenosis, aortic regurgitation, aortic dilatation, aortic valve malformation
MeSH terms
Bicuspid Aortic Valve Disease, Adolescent, Aortic Valve, Child, Child, Preschool, Echocardiography, Female, Heart Valve Diseases, Humans, Male, Retrospective Studies, Syndrome, Genetic Diseases, Inborn, Young Adult

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