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Cardiac Resynchronization Therapy: Double Cannulation Approach to Coronary Venous Lead Placement via a Prominent Thebesian Valve.
MedLine Citation:
PMID:  22432962     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
We report identification of a prominent Thebesian valve by cardiovascular computed tomography (CT) angiography impeding cannulation of the coronary sinus, with subsequent successful coronary venous lead placement with cannulation of the coronary sinus ostium via a transvenous femoral vein approach and subsequent cannulation of the ostium with the coronary venous lead with a left subclavian approach. A 57-year-old man with nonischemic dilated cardiomyopathy, New York Heart Association Class III heart failure, left bundle branch block, and an ejection fraction of 15%, underwent an attempted cardiac resynchronization therapy implantable cardiac defibrillator (ICD). As the coronary sinus ostium could not be cannulated, a dual chamber ICD was placed. The patient subsequently underwent cardiovascular CT angiography, which identified a prominent Thebesian valve at the coronary sinus ostium as the anatomic obstacle to cannulation. Reattempted transvenous cardiac resynchronization therapy was accomplished successfully with a double cannulation approach: cannulation of the coronary sinus ostium with a catheter via a transvenous femoral vein approach and subsequent cannulation with the coronary venous lead via a left subclavian approach. When a prominent Thebesian valve is identified as an obstacle to transvenous left ventricular lead placement, cannulation of the coronary sinus by an alternate venous approach may allow for a coronary venous route rather than necessitate an epicardial approach. (PACE 2012; 1-4).
Authors:
Michael Cao; Philip Chang; Bonnie Garon; Jerold S Shinbane
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-20
Journal Detail:
Title:  Pacing and clinical electrophysiology : PACE     Volume:  -     ISSN:  1540-8159     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-21     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7803944     Medline TA:  Pacing Clin Electrophysiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
©2012, The Authors. Journal compilation ©2012 Wiley Periodicals, Inc.
Affiliation:
Division of Cardiovascular Medicine/Cardiovascular Thoracic Institute Department of Radiology, Keck School of Medicine at the University of Southern California, Los Angeles, California.
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