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Makkar N, Yadav S. Unusual case of fixed left ventricular outflow obstruction. BMJ Case Rep 2023; 16:e256364. [PMID: 37714556 PMCID: PMC10510877 DOI: 10.1136/bcr-2023-256364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/17/2023] Open
Affiliation(s)
- Nayani Makkar
- Cardiology, All India Institute of Medical Sciences Cardio-Thoracic Sciences Centre, New Delhi, India
| | - Satyavir Yadav
- Cardiology, All India Institute of Medical Sciences Cardio-Thoracic Sciences Centre, New Delhi, India
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Geske JB, Arslan M, Newman DB. Defining the Role of Mitral Annular Calcification in Mitral Valve Systolic Anterior Motion. J Am Soc Echocardiogr 2023; 36:428-430. [PMID: 36754728 DOI: 10.1016/j.echo.2023.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 01/03/2023] [Accepted: 01/03/2023] [Indexed: 02/09/2023]
Affiliation(s)
- Jeffrey B Geske
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota.
| | | | - D Brian Newman
- Department of Cardiovascular Medicine, Mayo Clinic, Rochester, Minnesota
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Reid A, Ben Zekry S, Turaga M, Tarazi S, Bax JJ, Wang DD, Piazza N, Bapat VN, Ihdayhid AR, Cavalcante JL, Blanke P, Leipsic J. Neo-LVOT and Transcatheter Mitral Valve Replacement: Expert Recommendations. JACC Cardiovasc Imaging 2020; 14:854-866. [PMID: 33248959 DOI: 10.1016/j.jcmg.2020.09.027] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/23/2020] [Accepted: 09/24/2020] [Indexed: 11/30/2022]
Abstract
With the advent of transcatheter mitral valve replacement (TMVR), the concept of the neo-left ventricular outflow tract (LVOT) was introduced and remains an essential component of treatment planning. This paper describes the LVOT anatomy and provides a step-by-step computed tomography methodology to segment and measure the neo-LVOT while discussing the current evidence and outstanding challenges. It also discusses the technical and hemodynamic factors that play a major role in assessing the neo-LVOT. A summary of expert-based recommendations about the overall risk of LVOT obstruction in different scenarios is presented along with the currently available methods to reduce the risk of LVOT obstruction and other post-procedural complications.
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Affiliation(s)
- Anna Reid
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - Sagit Ben Zekry
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - Mansi Turaga
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - Stephanie Tarazi
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jeroen J Bax
- Department of Cardiology, Leiden University Medical Center, Leiden, the Netherlands
| | - Dee Dee Wang
- Center for Structural Heart Disease, Henry Ford Health System, Detroit, Michigan, USA
| | - Nicolo Piazza
- Department of Medicine, Division of Cardiology, McGill University Health Centre, Montreal, Quebec, Canada
| | - Vinayak N Bapat
- Department of Medicine, Division of Cardiology, NewYork-Presbyterian/Columbia University Irving Medical Center, New York, New York, USA
| | - Abdul Rahman Ihdayhid
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - João L Cavalcante
- Minneapolis Heart Institute, Abbott Northwestern Hospital, Minneapolis, Minnesota, USA
| | - Philipp Blanke
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada
| | - Jonathon Leipsic
- Center for Heart Lung Innovation, St. Paul's Hospital, University of British Columbia, Vancouver, British Columbia, Canada.
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Pristera N, Popović ZB, Unai S, Miyasaka R. Symptomatic Left Ventricular Outflow Tract Obstruction Caused by Mitral Annular Calcification. ACTA ACUST UNITED AC 2020; 4:490-493. [PMID: 33376840 PMCID: PMC7756159 DOI: 10.1016/j.case.2020.07.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
Abstract
MAC may obstruct the LVOT. This can be diagnosed using multimodality imaging. Surgical debridement of mitral calcification can relieve obstructive physiology.
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Affiliation(s)
- Nicole Pristera
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
| | - Zoran B Popović
- Section of Cardiovascular Imaging, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
| | - Shinya Unai
- Department of Thoracic and Cardiovascular Surgery, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
| | - Rhonda Miyasaka
- Section of Cardiovascular Imaging, Heart and Vascular Institute, Cleveland Clinic, Cleveland, Ohio
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