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An Unusual Etiology of Presyncopal Episodes: Dynamic Left Ventricular Outflow Tract Obstruction Secondary to an Elongated Anterior Mitral Valve Leaflet.

作者信息

Karvounaris Stylianos, Michaelides Ioannis, Ntoskas Theodoros, Ritsatos Konstantinos, Papaetis Georgios

机构信息

K.M.P THERAPIS Paphos Medical Center, Cardiology Clinic, 14 Vasileos Georgiou B St., Office 201, 8010, Paphos, Cyprus.

Department of Cardiology, Mediterranean Hospital of Cyprus, Limassol, Cyprus.

出版信息

Iran J Med Sci. 2025 Jul 1;50(7):492-495. doi: 10.30476/ijms.2025.104916.3846. eCollection 2025 Jul.

DOI:10.30476/ijms.2025.104916.3846
PMID:40786192
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC12334793/
Abstract
摘要
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a73f/12334793/202bfe0b08b4/IJMS-50-7-492-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a73f/12334793/785c4846b6e2/IJMS-50-7-492-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a73f/12334793/202bfe0b08b4/IJMS-50-7-492-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a73f/12334793/785c4846b6e2/IJMS-50-7-492-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/a73f/12334793/202bfe0b08b4/IJMS-50-7-492-g002.jpg

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本文引用的文献

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2024 AHA/ACC/AMSSM/HRS/PACES/SCMR Guideline for the Management of Hypertrophic Cardiomyopathy: A Report of the American Heart Association/American College of Cardiology Joint Committee on Clinical Practice Guidelines.2024 AHA/ACC/AMSSM/HRS/PACES/SCMR 肥厚型心肌病管理指南：美国心脏协会/美国心脏病学会联合临床实践指南委员会的报告。
Circulation. 2024 Jun 4;149(23):e1239-e1311. doi: 10.1161/CIR.0000000000001250. Epub 2024 May 8.
2
Syncope as a sign of occult cancers: a population-based cohort study.晕厥作为隐匿性癌症的征象：一项基于人群的队列研究。
Br J Cancer. 2020 Feb;122(4):595-600. doi: 10.1038/s41416-019-0692-2. Epub 2019 Dec 20.
3
Contribution of mitral valve leaflet length and septal wall thickness to outflow tract obstruction in patients with hypertrophic cardiomyopathy.
肥厚型心肌病患者二尖瓣叶长度和室间隔厚度对流出道梗阻的影响
Int J Cardiovasc Imaging. 2017 Aug;33(8):1201-1211. doi: 10.1007/s10554-017-1103-5. Epub 2017 Apr 8.
4
Long mitral valve leaflets determine left ventricular outflow tract obstruction during exercise in hypertrophic cardiomyopathy.在肥厚型心肌病中，二尖瓣叶冗长决定运动时左心室流出道梗阻情况。
Int J Cardiol. 2016 Jun 1;212:47-53. doi: 10.1016/j.ijcard.2016.03.041. Epub 2016 Mar 16.
5
Exertional syncope and presyncope: faint signs of underlying problems.
Phys Sportsmed. 2005 Nov;33(11):7-20. doi: 10.3810/psm.2005.11.245.
6
Left ventricular outflow obstruction: subaortic stenosis, bicuspid aortic valve, supravalvar aortic stenosis, and coarctation of the aorta.左心室流出道梗阻：主动脉瓣下狭窄、二叶式主动脉瓣、主动脉瓣上狭窄及主动脉缩窄。
Circulation. 2006 Nov 28;114(22):2412-22. doi: 10.1161/CIRCULATIONAHA.105.592089.
7
Hypertrophic cardiomyopathy is predominantly a disease of left ventricular outflow tract obstruction.肥厚型心肌病主要是一种左心室流出道梗阻性疾病。
Circulation. 2006 Nov 21;114(21):2232-9. doi: 10.1161/CIRCULATIONAHA.106.644682. Epub 2006 Nov 6.
8
Prevalence, clinical profile, and significance of left ventricular remodeling in the end-stage phase of hypertrophic cardiomyopathy.肥厚型心肌病终末期左心室重构的患病率、临床特征及意义。
Circulation. 2006 Jul 18;114(3):216-25. doi: 10.1161/CIRCULATIONAHA.105.583500. Epub 2006 Jul 10.