CMR Characteristics, gene variants and long-term outcome in patients with left ventricular non-compaction cardiomyopathy

Abstract Background As the paucity of data focusing on evaluating cardiac structure and function in patients with or without gene mutation, this study was sought to investigate the correlation between genotype and cardiac magnetic resonance (CMR) phenotype in patients with left ventricular non-compa...

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Main Authors: Di Zhou, Shijie Li, Arlene Sirajuddin, Weichun Wu, Jinghan Huang, Xiaoxin Sun, Shihua Zhao, Jielin Pu, Minjie Lu
Format: Article
Language:English
Published: SpringerOpen 2021-12-01
Series:Insights into Imaging
Subjects:
Online Access:https://doi.org/10.1186/s13244-021-01130-2
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author Di Zhou
Shijie Li
Arlene Sirajuddin
Weichun Wu
Jinghan Huang
Xiaoxin Sun
Shihua Zhao
Jielin Pu
Minjie Lu
author_facet Di Zhou
Shijie Li
Arlene Sirajuddin
Weichun Wu
Jinghan Huang
Xiaoxin Sun
Shihua Zhao
Jielin Pu
Minjie Lu
author_sort Di Zhou
collection DOAJ
description Abstract Background As the paucity of data focusing on evaluating cardiac structure and function in patients with or without gene mutation, this study was sought to investigate the correlation between genotype and cardiac magnetic resonance (CMR) phenotype in patients with left ventricular non-compaction cardiomyopathy (LVNC) and to explore prognostic relevance in this cohort if possible. Methods Patients with LVNC who underwent CMR and targeted gene sequencing between 2006 and 2016 were retrospectively evaluated. Demographic data, clinical presentation, genetic analysis, CMR data and follow-up data of all participants were collected. Results Compared to negative genotype (G−) group, patients with positive genotype (G+) had larger left atrial volume (LAV), and carriers of multiple variants had lower left ventricular (LV) ejection fraction and cardiac index, increased LV fibrosis, larger LA volume, reduced LV global circumferential strain, LA reservoir strain and booster pump strain (all p < 0.05). LA volume was able to discriminate patients with G + (all p < 0.05), as well as those with multiple genetic mutation (all p < 0.01). During a median follow-up of 5.1 years, Kaplan–Meier survival analysis revealed worse primary endpoint-free survival among carriers of multiple variants compared to G− group. Conclusions CMR feature tracking is a remarkable tool to evaluate implication, genetics cascade screen and predict outcome in LVNC population. LA volume is a sensitive and robust indicator for genetic mutational condition, of which facilities to guide clinical management and intensity of follow-up for patients and their relatives.
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spelling doaj.art-30c89a6371254466a2b04eca9e7a92472022-12-21T22:43:18ZengSpringerOpenInsights into Imaging1869-41012021-12-0112111110.1186/s13244-021-01130-2CMR Characteristics, gene variants and long-term outcome in patients with left ventricular non-compaction cardiomyopathyDi Zhou0Shijie Li1Arlene Sirajuddin2Weichun Wu3Jinghan Huang4Xiaoxin Sun5Shihua Zhao6Jielin Pu7Minjie Lu8Department of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical CollegeDepartment of Geriatrics, Beijing Friendship Hospital, Capital Medical UniversityNational Heart, Lung and Blood Institute (NHLBI), National, Institutes of Health (NIH)Department of Echocardiography, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical CollegeThe Heart-Lung Testing Center, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical CollegeKey Laboratory of Cardiovascular Imaging (Cultivation), Chinese Academy of Medical SciencesDepartment of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical CollegeDepartment of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical CollegeDepartment of Magnetic Resonance Imaging, Fuwai Hospital and National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical CollegeAbstract Background As the paucity of data focusing on evaluating cardiac structure and function in patients with or without gene mutation, this study was sought to investigate the correlation between genotype and cardiac magnetic resonance (CMR) phenotype in patients with left ventricular non-compaction cardiomyopathy (LVNC) and to explore prognostic relevance in this cohort if possible. Methods Patients with LVNC who underwent CMR and targeted gene sequencing between 2006 and 2016 were retrospectively evaluated. Demographic data, clinical presentation, genetic analysis, CMR data and follow-up data of all participants were collected. Results Compared to negative genotype (G−) group, patients with positive genotype (G+) had larger left atrial volume (LAV), and carriers of multiple variants had lower left ventricular (LV) ejection fraction and cardiac index, increased LV fibrosis, larger LA volume, reduced LV global circumferential strain, LA reservoir strain and booster pump strain (all p < 0.05). LA volume was able to discriminate patients with G + (all p < 0.05), as well as those with multiple genetic mutation (all p < 0.01). During a median follow-up of 5.1 years, Kaplan–Meier survival analysis revealed worse primary endpoint-free survival among carriers of multiple variants compared to G− group. Conclusions CMR feature tracking is a remarkable tool to evaluate implication, genetics cascade screen and predict outcome in LVNC population. LA volume is a sensitive and robust indicator for genetic mutational condition, of which facilities to guide clinical management and intensity of follow-up for patients and their relatives.https://doi.org/10.1186/s13244-021-01130-2Left ventricular non-compactionCardiomyopathyGeneticsCardiac magnetic resonance
spellingShingle Di Zhou
Shijie Li
Arlene Sirajuddin
Weichun Wu
Jinghan Huang
Xiaoxin Sun
Shihua Zhao
Jielin Pu
Minjie Lu
CMR Characteristics, gene variants and long-term outcome in patients with left ventricular non-compaction cardiomyopathy
Insights into Imaging
Left ventricular non-compaction
Cardiomyopathy
Genetics
Cardiac magnetic resonance
title CMR Characteristics, gene variants and long-term outcome in patients with left ventricular non-compaction cardiomyopathy
title_full CMR Characteristics, gene variants and long-term outcome in patients with left ventricular non-compaction cardiomyopathy
title_fullStr CMR Characteristics, gene variants and long-term outcome in patients with left ventricular non-compaction cardiomyopathy
title_full_unstemmed CMR Characteristics, gene variants and long-term outcome in patients with left ventricular non-compaction cardiomyopathy
title_short CMR Characteristics, gene variants and long-term outcome in patients with left ventricular non-compaction cardiomyopathy
title_sort cmr characteristics gene variants and long term outcome in patients with left ventricular non compaction cardiomyopathy
topic Left ventricular non-compaction
Cardiomyopathy
Genetics
Cardiac magnetic resonance
url https://doi.org/10.1186/s13244-021-01130-2
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