Article (Scientific journals)
Distribution and Prognostic Significance of Left Ventricular Global Longitudinal Strain in Asymptomatic Significant Aortic Stenosis: An Individual Participant Data Meta-Analysis
Magne, Julien; Cosyns, Bernard; Popescu, Bogdan Alexandru et al.
2019In JACC. Cardiovascular Imaging, 12 (1), p. 84-92
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Keywords :
Article
Abstract :
[en] Objectives: In this individual participant data meta-analysis on left ventricular global longitudinal strain (LVGLS), our objective was to: 1) describe its distribution; 2) identify the most predictive cutoff values; and 3) assess its impact on mortality in asymptomatic patients with significant aortic stenosis (AS) and preserved left ventricular ejection fraction (LVEF). Background: The evidence supporting the prognostic role of LVGLS in asymptomatic patients with AS has been obtained from several relatively small studies. Methods: A literature search was performed for studies published between 2005 and 2017 without language restriction according to the following criteria: “aortic stenosis” AND “longitudinal strain.” The corresponding authors of selected studies were contacted and invited to share their data that we computerized in a specific database. The primary endpoint was all-cause mortality. Results: Among the 10 studies included, 1,067 asymptomatic patients with significant AS and LVEF >50% were analyzed. The median of LVGLS was 16.2% (from 5.6% to 30.1%). There were 91 deaths reported during follow-up with median of 1.8 (0.9 to 2.8) years, resulting in a pooled crude mortality rate of 8.5%. The LVGLS performed well in the prediction of death (area under the curve: 0.68). The best cutoff value identified was LVGLS of 14.7% (sensitivity, 60%; specificity, 70%). Using random effects model, the risk of death for patients with LVGLS <14.7% is multiplied by >2.5 (hazard ratio: 2.62; 95% confidence interval: 1.66 to 4.13; p < 0.0001), without significant heterogeneity between studies (I2 = 18.3%; p = 0.275). The relationship between LVGLS and mortality remained significant in patients with LVEF ≥60% (p = 0.001). Conclusions: This individual participant data meta-analysis demonstrates that in asymptomatic patients with significant AS and normal LVEF, impaired LVGLS is associated with reduced survival. These data emphasize the potential usefulness of LVGLS for risk stratification and management of these patients. © 2018 American College of Cardiology Foundation
Disciplines :
Cardiovascular & respiratory systems
Author, co-author :
Magne, Julien;  CHU Limoges, Hôpital Dupuytren, Service Cardiologie, INSERM 1094, Limoges, France
Cosyns, Bernard;  UZ Brussel-CVHZ, Brussels, Belgium
Popescu, Bogdan Alexandru;  University of Medicine and Pharmacy “Carol Davila”—Euroecolab, Institute of Cardiovascular Diseases “Prof. Dr. C. C. Iliescu,”, Bucharest, Romania
Carstensen, Helle Gervig;  Department of Cardiology, Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
Dahl, Jordi Sanchez;  Department of Cardiology, Odense University Hospital, Odense, Denmark
Desai, Milind Y.;  Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH, United States
Kearney, Leighton;  Department of Cardiology, Austin Health, Heidelberg, Victoria, Australia
Lancellotti, Patrizio  ;  Université de Liège - ULiège > Département des sciences cliniques > Cardiologie - Pathologie spéciale et réhabilitation
Marwick, Thomas H.;  Baker Heart and Diabetes Institute, Melbourne, Australia
Sato, Kimi;  Department of Cardiology, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
Takeuchi, Masaaki;  Department of Laboratory and Transfusion Medicine, Hopital of University of Occupational and Environmental Health, School of Medicine, Kitakyushu, Japan
Zito, Concetta;  Cardiology Unit, Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
Casalta, Anne-Claire;  Department of Cardiology, Gentofte Hospital, University of Copenhagen, Copenhagen, Denmark
Mohty, Dania;  CHU Limoges, Hôpital Dupuytren, Service Cardiologie, INSERM 1094, Limoges, France
Pierard, Luc ;  Université de Liège - ULiège > Département des sciences cliniques > Département des sciences cliniques
Habib, Gilbert;  Aix-Marseille Université APHM, La Timone Hospital, Cardiology Department, Marseille, France
Donal, Erwan;  Cardiologie et CIC-IT 1414, CHU Rennes
LTSI, Inserm;  University Rennes 1, Rennes, France
More authors (8 more) Less
Language :
English
Title :
Distribution and Prognostic Significance of Left Ventricular Global Longitudinal Strain in Asymptomatic Significant Aortic Stenosis: An Individual Participant Data Meta-Analysis
Publication date :
2019
Journal title :
JACC. Cardiovascular Imaging
ISSN :
1936-878X
eISSN :
1876-7591
Publisher :
Elsevier Inc.
Volume :
12
Issue :
1
Pages :
84-92
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 05 March 2020

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