ArticleGeneral thoracic and cardiovascular surgery2017
Physiological mitral annular dynamics preserved after ring annuloplasty in mid-term period.
Article in General thoracic and cardiovascular surgery, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Mitral valve repair with the semi-rigid Memo 4D annuloplasty ring: early clinical and echocardiographic outcomes from the MANTRA study.Interdisciplinary cardiovascular and thoracic surgery · 2024Article
- The MANTRA study: a new umbrella concept prospectively applied to assess implantable medical devices for heart valve procedures.Journal of cardiothoracic surgery · 2023Article
- Mid-term outcomes of simultaneous mitral valve repair in patients with miral regurgitation and concomitant annulo-aortic ectasia.General thoracic and cardiovascular surgery · 2019Article
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Authors and funding
9 authors.
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Abstract
objectiveMitral annular structure and dynamics after mitral ring annuloplasty using transesophageal echocardiography during the operation have been reported. We evaluated mitral annular structure and dynamics of three different rings in the mid-term period postoperatively.
methodsThirty-one patients underwent mitral valve repair for degenerative mitral insufficiency. The MEMO 3D ring (semi-flexible), Carpentier-Edwards Physio II ring (semi-rigid), and St. Jude Medical Rigid Saddle Ring (rigid) were implanted in 15, 12, and eight patients, respectively, from September 2009 to February 2015. Electrocardiogram-gated three-dimensional computed tomography was performed in the mid-term period postoperatively.
resultsThe postoperative antero-posterior rate of reduction in diameter from end-diastole to end-systole was slightly larger in the MEMO3D (0.57 ± 0.69%) than in the Physio II (0.08 ± 0.60%) and Rigid Saddle Ring (0.11 ± 0.59%). There was no significant difference in the commissure-to-commissure rate of reduction in diameter among the groups. The postoperative end-systolic annular height to commissure width ratio was significantly larger in the Physio II (20.4 ± 1.7%) and Rigid Saddle Ring (21.3 ± 1.7%) than in the MEMO3D (10.8 ± 3.1%, both p < 0.0001). The rate of increase in the postoperative annular height to commissure width ratio from end-diastole to end-systole was significantly larger in the MEMO3D (2.1 ± 1.7%) than in the Physio II (0.1 ± 0.4%) and Rigid Saddle Ring (0.1 ± 0.6%).
conclusionsThe Physio II and Rigid Saddle Ring can restore the physiological and three-dimensional annular shape, and the MEMO3D can preserve physiological annular dynamics in mid-term period postoperatively.
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