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心脏移植术后二尖瓣收缩期前向运动继发于一种不寻常机制

Systolic Anterior Motion of the Mitral Valve Post-Heart Transplant Secondary to an Unusual Mechanism.

作者信息

Lewandowski Tara, Mathur Nirav, Ovtchinnikov Nikita, Brakke Ben, Mangunta Venkat, Renwick Christian M

机构信息

Department of Anesthesia, Southeastern University, Lakeland, USA.

Department of Anesthesiology, Saint Lukes Hospital of Kansas City, Kansas City, USA.

出版信息

Cureus. 2024 Nov 29;16(11):e74745. doi: 10.7759/cureus.74745. eCollection 2024 Nov.

DOI:10.7759/cureus.74745
PMID:39735143
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11682699/
Abstract

In this case report, we discuss the critical interdependence of structure and function in demonstrating systolic anterior motion (SAM) of the mitral valve after repeat heart transplantation, where residual apical tissue of the explanted heart remained in place. The resulting conformational changes led to anterior displacement of the mitral valve and persistent SAM.

摘要

在本病例报告中，我们讨论了在再次心脏移植后二尖瓣收缩期前向运动（SAM）表现中结构与功能的关键相互依存关系，此时移除心脏的残余心尖组织仍保留原位。由此产生的构象变化导致二尖瓣向前移位并持续出现SAM。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11682699/b03af60b1096/cureus-0016-00000074745-i03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11682699/6db559c069ab/cureus-0016-00000074745-i01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11682699/5e8910b04076/cureus-0016-00000074745-i02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11682699/b03af60b1096/cureus-0016-00000074745-i03.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11682699/6db559c069ab/cureus-0016-00000074745-i01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11682699/5e8910b04076/cureus-0016-00000074745-i02.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/e882/11682699/b03af60b1096/cureus-0016-00000074745-i03.jpg

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本文引用的文献

1
Systolic Anterior Motion of the Mitral Valve With Left Ventricular Outflow Tract Obstruction: A Rare Cause of Hypotension After Lung Transplantation.
J Cardiothorac Vasc Anesth. 2017 Oct;31(5):1894-1901. doi: 10.1053/j.jvca.2017.02.044. Epub 2017 Feb 12.
2
Dynamic left ventricular outflow tract obstruction without basal septal hypertrophy, caused by catecholamine therapy and volume depletion.由儿茶酚胺治疗和血容量减少引起的无基底间隔肥厚的动态左心室流出道梗阻。
Korean J Intern Med. 2008 Jun;23(2):106-9. doi: 10.3904/kjim.2008.23.2.106.
3
Systolic anterior motion begins at low left ventricular outflow tract velocity in obstructive hypertrophic cardiomyopathy.在梗阻性肥厚型心肌病中，收缩期前向运动始于左心室流出道低流速时。
J Am Coll Cardiol. 2000 Oct;36(4):1344-54. doi: 10.1016/s0735-1097(00)00830-5.