Thorac Cardiovasc Surg
DOI: 10.1055/s-0040-1722730
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Papillary Muscle Heads Focalization for Functional Mitral Regurgitation with Severe Tethering

Masatoshi Hata
,
Sabine Bleiziffer
,
René Schramm
,
Jan F. Gummert

Abstract

We performed “Papillary muscle heads focalization” for three patients with severe functional mitral regurgitation with severe leaflet tethering (coaptation distance ≥1 cm and/or posterior leaflet angle ≥45 degrees). All separated papillary muscle heads were sutured together and both the anterolateral and posteromedial papillary muscles were reconstructed as single head papillary muscles. The stitches are positioned to adjust the levels of mitral leaflet tips, concerning the length of the marginal chordae connected to each head. A downsized annuloplasty is performed concomitantly. At discharge, no patient showed moderate/severe mitral regurgitation. Their coaptation lengths were 7.1, 8.5, and 8.3 mm.



Publication History

Received: 04 October 2020

Accepted: 23 November 2020

Publication Date:
08 April 2021 (online)

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