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| http://dx.doi.org/10.5152/AnatolJCardiol.2021.159 | DOI Listing |
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Background: The Laceration of the Anterior Mitral leaflet to Prevent Outflow ObtructioN (LAMPOON) procedure may be performed from the leaflet tip to base to prevent left ventricular outflow tract obstruction (LVOTO) in patients with high-risk anatomy undergoing valve-in-valve (VIV) or valve-in-(complete)-ring (VIR) transcatheter mitral valve replacement (TMVR).
Methods And Results: Thirteen consecutive patients (6 females, average age 67.7 years) with a mean left ventricular ejection fraction of 60%, a median STS score of 3.
Valve-in-Valve for Failing Mitral Bioprosthesis With Tip-to-Base LAMPOON to Prevent Left Ventricular Outflow Tract Obstruction.
Innovations (Phila)
November 2021
Section of Interventional Cardiology, 8405MedStar Washington Hospital Center, Washington, DC, USA.
Transcatheter mitral valve replacement (TMVR) is a new approach for treating failed bioprosthetic valves, annuloplasty repairs, and mitral annular calcification. Computed tomography is the key in procedure planning and guiding to identify patients at high risk of anatomic complications, in particular, for left ventricular outflow tract (LVOT) obstruction. There are several methods to reduce the risk of LVOT obstruction.
View Article and Find Full Text PDFTip-to-base LAMPOON to prevent left ventricular outflow tract obstruction in a valve-in-ring transcatheter mitral valve replacement: First LAMPOON procedure in Turkey and first LAMPOON case for transseptal Myval™ implantation.
Anatol J Cardiol
May 2021
Department of Cardiology, Faculty of Medicine, Kocaeli University; Kocaeli-Turkey.
Tip-to-Base LAMPOON for Transcatheter Mitral Valve Replacement With a Protected Mitral Annulus.
JACC Cardiovasc Interv
March 2021
Emory Structural Heart and Valve Center, Emory University School of Medicine, Atlanta, Georgia, USA.
Objectives: The purpose of this study was to evaluate tip-to-base intentional laceration of the anterior mitral leaflet to prevent left ventricular outflow tract obstruction (LAMPOON) in patients undergoing transcatheter mitral valve replacement (TMVR) in annuloplasty rings or surgical mitral valves.
Background: LAMPOON is an effective adjunct to TMVR that prevents left ventricular outflow tract obstruction (LVOTO). Laceration is typically performed from the base to the tip of the anterior mitral leaflet.
LAMPOON techniques to prevent or manage left ventricular outflow tract obstruction in transcatheter mitral valve replacement.
Ann Cardiothorac Surg
January 2021
Cardiovascular Branch, Division of Intramural Research, National Heart, Lung and Blood Institute, National Institutes of Health, Bethesda, MD, USA.
Transcatheter mitral valve replacement (TMVR) is a therapeutic option for patients with severe mitral disease who are deemed inoperable due to their overall surgical risk. The close relationships between the left ventricular outflow tract (LVOT) and the anterior mitral valve leaflet can lead to LVOT obstruction, a common complication with high mortality. Predicting and preventing LVOT obstruction is therefore essential, prior to TMVR.
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