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Valve-in-Chimney Mitral Valve Replacement for Extensive Annular Calcification. 2025

Stephanie K Tom, and Elizabeth L Norton, and Patrick Gleason, and Robert A Guyton
Division of General Surgery, Department of Surgery, Emory University. Electronic address: stom2@emory.edu.

Mitral annular calcification (MAC) poses significant challenges for mitral valve replacement (MVR), especially in patients with small annular orifices. We present a case of a 69-year-old woman with severe MAC and mitral stenosis, successfully treated using a valve-in-chimney technique. This approach minimized calcium debridement and enabled secure bioprosthesis placement larger than that which could have been placed with other options.

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