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急性重度二尖瓣反流可能掩盖左束支传导阻滞相关的不同步。

Acute, Severe Mitral Regurgitation May Mask Left Bundle Branch Block-Related Dyssynchrony.

作者信息

Hansra Barinder, Kovell Lara C, Parker Matthew W, Harrington Colleen M, Aurigemma Gerard P

机构信息

University of Massachusetts Medical School, Worcester, Massachusetts.

出版信息

CASE (Phila). 2020 Jul 13;4(5):464-466. doi: 10.1016/j.case.2020.05.017. eCollection 2020 Oct.

DOI:10.1016/j.case.2020.05.017
PMID:33117950
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7581622/
Abstract

• New post-operative systolic dysfunction is a dreaded consequence of mitral valve surgery. • LBB-related dyssynchrony can lead to LV systolic dysfunction. • Acute severe mitral regurgitation may mask LBBB-related dyssynchrony. • When the regurgitant leak is removed, LBBB-related dyssynchrony can become manifest.

摘要

• 术后新发收缩功能障碍是二尖瓣手术令人担忧的后果。

• 左束支传导阻滞相关的不同步可导致左心室收缩功能障碍。

• 急性严重二尖瓣反流可能掩盖左束支传导阻滞相关的不同步。

• 当反流漏消除后，左束支传导阻滞相关的不同步可能会显现出来。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6db/7581622/0ce4f9a596f3/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6db/7581622/7a7242a8add5/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6db/7581622/79f845dfa150/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6db/7581622/825c90695c6a/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6db/7581622/0ce4f9a596f3/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6db/7581622/7a7242a8add5/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6db/7581622/79f845dfa150/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6db/7581622/825c90695c6a/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b6db/7581622/0ce4f9a596f3/gr3.jpg

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本文引用的文献

1
Global Longitudinal Strain to Predict Mortality in Patients With Acute Heart Failure.全球应变率预测急性心力衰竭患者的死亡率。
J Am Coll Cardiol. 2018 May 8;71(18):1947-1957. doi: 10.1016/j.jacc.2018.02.064.
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Association Between Global Longitudinal Strain and Cardiovascular Events in Patients With Left Bundle Branch Block Assessed Using Two-Dimensional Speckle-Tracking Echocardiography.二维斑点追踪超声心动图评估左束支传导阻滞患者的整体纵向应变与心血管事件的关系。
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3
The association of volumetric response and long-term survival after cardiac resynchronization therapy.
心脏再同步治疗后容积反应与长期生存的相关性。
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Eur Heart J Cardiovasc Imaging. 2016 Mar;17(3):262-9. doi: 10.1093/ehjci/jev288. Epub 2015 Nov 20.
5
Left ventricular length-force-shortening relations before and after surgical correction of chronic mitral regurgitation.慢性二尖瓣反流手术矫正前后左心室长度-力-缩短关系
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J Am Coll Cardiol. 1985 Apr;5(4):811-26. doi: 10.1016/s0735-1097(85)80418-6.
7
Mitral valve replacement with and without chordal preservation in patients with chronic mitral regurgitation. Mechanisms for differences in postoperative ejection performance.慢性二尖瓣反流患者行保留和不保留腱索的二尖瓣置换术。术后射血功能差异的机制。
Circulation. 1992 Dec;86(6):1718-26. doi: 10.1161/01.cir.86.6.1718.