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Characteristics and treatment strategies of mitral regurgitation associated with undifferentiated papillary muscle
http://hdl.handle.net/10069/30844
http://hdl.handle.net/10069/308446c670188-8bee-4005-9334-de095a9feb84
名前 / ファイル | ライセンス | アクション |
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GTCS60_406.pdf (278.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2013-02-26 | |||||
タイトル | ||||||
タイトル | Characteristics and treatment strategies of mitral regurgitation associated with undifferentiated papillary muscle | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Chordae tendineae | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Echocardiography | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Mitral valve insufficiency | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Mitral valve plasty | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Papillary muscles | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Matsumaru, Ichiro
× Matsumaru, Ichiro× Hashizume, Koji× Ariyoshi, Tsuneo× Izumi, Kenta× Onohara, Daisuke× Nakaji, Shun× Sumi, Mizuki× Eishi, Kiyoyuki× Tsuneto, Akira× Hayashi, Tomayoshi |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Purpose: In this report we review our experience of operations on mitral regurgitation associated with abnormal papillary muscles/chordae tendineae of the mitral valves and discussed the clinical characteristics, operative findings, and treatment strategies. Methods: Undifferentiated papillary muscle was defined as a hypoplastic chordae tendineae with anomalous formation of papillary muscles attached to the mitral valves directly. Consecutive 87 patients undergoing surgery for mitral regurgitation at our institution were reviewed and 6 of them had undifferentiated papillary muscle. Results: The underlying mechanism of regurgitation was prolapse at the center of the anterior leaflet in 3 cases and tethering, a wide area of myxomatous degeneration, and annular dilatation in one case, respectively. Five patients underwent mitral valve plasty and 1 patient received replacement. Anomalous formation of chordae tendineae was corrected by resection and suture with transplantation at the tip of the leaflet to which abnormal chordae were attached in 2 cases, while resection and suture with chordal shortening was performed in 1 case, and chordal reconstruction using artificial chordae was employed in 2 cases. There was no operative death, and postoperative echocardiography showed no residual regurgitation in any of the cases. Conclusions: Mitral regurgitation associated with undifferentiated papillary muscle resulted from prolapse or tethering and impaired flexibility of leaflets. It was possible to successfully treat the patients by mitral valve plasty unless complex congenital cardiac malformation coexisted. Detailed examinations of attached papillary muscle by echocardiography and intraoperative inspection are necessary and surgical techniques should be selected appropriately in each case. | |||||
書誌情報 |
General Thoracic and Cardiovascular Surgery 巻 60, 号 7, p. 406-410, 発行日 2012-07 |
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出版者 | ||||||
出版者 | 日本胸部外科学会 | |||||
出版者別言語 | ||||||
The Japanese Association for Thoracic Surgery | ||||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18636705 | |||||
EISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18636713 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s11748-012-0055-x | |||||
権利 | ||||||
権利情報 | © The Author(s) 2012. This article is published with open access at Springerlink.com | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | General Thoracic and Cardiovascular Surgery, 60(7), pp.406-410; 2012 |