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Updated: Sep 22, 2025

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Standardized Technique of Aortic Valve Re-implantation for Valve-sparing Aortic Root Replacement
Published on: December 11, 2017
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Valve-Sparing Aortic Root Replacement in a Patient With an FLNA Variant
Adam J Lobbestael1, Caleb P Bupp1,2, Marcus P Haw1,3
112268Michigan State University College of Human Medicine, Grand Rapids, MI, USA.
Summary
A patient with an FLNA variant experienced aortic root dilation. Valve-sparing aortic root replacement using the David procedure, with modifications for tissue fragility, was successful. Genetic information guided surgical planning.
Area of Science:
- Cardiovascular Surgery
- Genetics
- Biochemistry
Background:
- Filamin A (FLNA) is an actin-binding protein crucial for cellular structure.
- Mutations in FLNA can lead to connective tissue disorders, including aortic root dilation.
- Aortic root aneurysm is a serious condition requiring timely surgical intervention.

