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Masaki Nii

Observed names: M Nii, M. NII, M. Nii, MASAKI NII, Masaki NII, NII, Masaki
Observed institutions: Mount Sinai Hospital, University of Toronto, Hospital for Sick Children, National Cerebral and Cardiovascular Center, Shizuoka Children's Hospital, Tokushima University
ORCID: 0000-0002-7498-7181
Observed ORCID: 0000-0002-7498-7181
OpenAlex ID: A5045609912
Recommendations for Multimodality Assessment of Congenital Coronary Anomalies: A Guide from the American Society of Echocardiography
2020 · Peter Frommelt, Leo Lopez, et al. · Journal of the American Society of Echocardiography · 139
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Assessment of fetal atrioventricular time intervals by tissue Doppler and pulse Doppler echocardiography: normal values and correlation with fetal electrocardiography
2006 · M Nii, R M Hamilton, et al. · Heart · 135
Borderline hypoplasia of the left ventricle in neonates: Insights for decision-making from functional assessment with magnetic resonance imaging
2008 · Lars Grosse-Wortmann, Tae-Jin Yun, et al. · Journal of Thoracic and Cardiovascular Surgery · 120
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Determinants of Outcome in Fetal Pulmonary Valve Stenosis or Atresia With Intact Ventricular Septum
2007 · Kevin S. Roman, Jean-Claude Fouron, et al. · The American Journal of Cardiology · 110
Antenatal Therapy for Fetal Supraventricular Tachyarrhythmias
2019 · Takekazu Miyoshi, Yasuki Maeno, et al. · Journal of the American College of Cardiology · 89
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Left ventricular wall motion velocities in healthy children measured by pulsed wave Doppler tissue echocardiography: Normal values and relation to age and heart rate
2000 · Kazuhiro Mori, Yasunobu Hayabuchi, et al. · Journal of the American Society of Echocardiography · 79
Fetal brady- and tachyarrhythmias: New and accepted diagnostic and treatment methods
2005 · Edgar T. Jaeggi, Masaki Nii · Seminars in Fetal and Neonatal Medicine · 67
Three-dimensional Tricuspid Annular Function Provides Insight into the Mechanisms of Tricuspid Valve Regurgitation in Classic Hypoplastic Left Heart Syndrome
2006 · Masaki Nii, Vitor Guerra, et al. · Journal of the American Society of Echocardiography · 63
Plasma Levels of Natriuretic Peptide and Echocardiographic Parameters in Patients with Duchenne's Progressive Muscular Dystrophy
2002 · K. Mori, T. Manabe, et al. · Pediatric Cardiology · 63
Short and Midterm Results of Aortic Valve Cusp Extension in the Treatment of Children With Congenital Aortic Valve Disease
2006 · Bahaaldin Alsoufi, Tara Karamlou, et al. · The Annals of Thoracic Surgery · 62
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JCS 2021 Guideline on the Clinical Application of Echocardiography
2022 · Nobuyuki Ohte, Tomoko Ishizu, et al. · Circulation Journal · 61
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Assessment of the Evolution of Normal Fetal Diastolic Function During Mid and Late Gestation by Spectral Doppler Tissue Echocardiography
2006 · Masaki Nii, Kevin S. Roman, et al. · Journal of the American Society of Echocardiography · 61
Three-dimensional echocardiography improves the understanding of left atrioventricular valve morphology and function in atrioventricular septal defects undergoing patch augmentation
2005 · Catherine Barrea, Stéphanie Levasseur, et al. · Journal of Thoracic and Cardiovascular Surgery · 59
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JCS 2023 Guideline on the Primary Prevention of Coronary Artery Disease
2024 · Akira Fujiyoshi, Shun Kohsaka, et al. · Circulation Journal · 56
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Three-dimensional Echocardiography Improves the Understanding of the Mechanisms and Site of Left Atrioventricular Valve Regurgitation in Atrioventricular Septal Defect
2006 · Ken Takahashi, Vitor Guerra, et al. · Journal of the American Society of Echocardiography · 52
Predictors of long-term mortality among perioperative survivors of Fontan operation
2021 · Kei Inai, Ryo Inuzuka, et al. · European Heart Journal · 51
Predictors of liver cirrhosis and hepatocellular carcinoma among perioperative survivors of the Fontan operation
2022 · Ryo Inuzuka, Masaki Nii, et al. · Heart · 48
Circumstances and Outcomes of Out-Of-Hospital Cardiac Arrest in Elementary and Middle School Students in the Era of Public-Access Defibrillation: Implications for Emergency Preparedness in Schools
2014 · Yoshihide Mitani, Kunio Ohta, et al. · Circulation Journal · 45
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Insight Into Normal Mitral and Tricuspid Annular Dynamics in Pediatrics: A Real-time Three-dimensional Echocardiographic Study
2005 · Masaki Nii, Kevin S. Roman, et al. · Journal of the American Society of Echocardiography · 39
Echocardiographic evaluation of the development of aortic valve prolapse in supracristal ventricular septal defect
1995 · K. Mori, S. Matsuoka, et al. · European Journal of Pediatrics · 35
Anomalous origin of the coronary artery coursing between the great vessels presenting with a cardiovascular event (J-CONOMALY Registry)
2019 · Koichi Nagashima, Takafumi Hiro, et al. · European Heart Journal - Cardiovascular Imaging · 34
Incidence and Expected Probability of Liver Cirrhosis and Hepatocellular Carcinoma After Fontan Operation
2021 · Masaki Nii, Ryo Inuzuka, et al. · Circulation · 31
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Peak negative myocardial velocity gradient and wall-thickening velocity during early diastole are noninvasive parameters of left ventricular diastolic function in patients with Duchenne's progressive muscular dystrophy
2004 · Kazuhiro Mori, Takuji Edagawa, et al. · Journal of the American Society of Echocardiography · 29
New insight into the intraventricular pressure gradient as a sensitive indicator of diastolic cardiac dysfunction in patients with childhood cancer after anthracycline therapy
2019 · Sachie Shigemitsu, Ken Takahashi, et al. · Heart and Vessels · 28
In-Depth Insight Into the Mechanisms of Cardiac Dysfunction in Patients With Childhood Cancer After Anthracycline Treatment Using Layer-Specific Strain Analysis
2017 · Kana Yazaki, Ken Takahashi, et al. · Circulation Journal · 28
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Works count: 111
Citation count: 2,027
H-index: 27
I10-index: 43
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