Key result
Valve-in-chimney technique enables secure bioprosthesis placement in severe MAC and mitral stenosis.
Why the study?
Mitral annular calcification creates challenges for mitral valve replacement, particularly in patients with small annular orifices.
Case Report (n=1)
The valve-in-chimney technique offers a viable approach for mitral valve replacement in patients with severe mitral annular calcification and small annular orifices.
May offer an option for mitral replacement in severe mitral annular calcification with small annuli; leaves open need for prospective validation.
Mitral annular calcification poses notable challenges for mitral valve replacement, especially in patients with small annular orifices. We present a case of a 69-year-old woman with severe mitral annular calcification 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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Tom et al. (2025) conducted a case report in severe mitral annular calcification and mitral stenosis (n=1). valve-in-chimney technique was evaluated on successful bioprosthesis placement. The valve-in-chimney technique successfully treated a 69-year-old woman with severe mitral annular calcification and mitral stenosis, enabling secure placement of a larger bioprosthesis.
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