ArticleJournal of chest surgery2026
The Egg Muffin Technique-A Novel Bipatch Enfolding Repair for Membranous Ventricular Septal Aneurysm with Aortic Valve Replacement: A Case Report.
Article in Journal of chest surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors.
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Abstract
A 70-year-old man with severe aortic stenosis was referred to our department for surgery. Echocardiography revealed a peak/mean pressure gradient of 101/61 mm Hg and a membranous ventricular septal aneurysm protruding into the right ventricular outflow tract without shunt flow. Right heart catheterization demonstrated right ventricular outflow tract obstruction with a peak pressure gradient of 11 mm Hg. Aortic valve replacement using a bioprosthetic valve and enfolding repair of the membranous ventricular septal aneurysm were performed. The folded aneurysmal tissue was compressed and reinforced with double-applied patches from both the left and right ventricular sides via aortotomy and right atriotomy, respectively. The postoperative course was uneventful. This novel Bi-Patch Enfolding Repair, termed the "egg muffin technique," provides a simple and effective method for volume reduction of aneurysmal tissue. Unlike aneurysm resection with defect closure, it mitigates the risk of iatrogenic shunt formation and atrioventricular block.
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