Výsledky vyhledávání - "Rongzhen Ouyang"

Akademický článek

Right and left ventricular function and flow quantification in pediatric patients with repaired tetralogy of Fallot using four-dimensional flow magnetic resonance imaging

Autor: Xiaofen Yao, Liwei Hu, Yafeng Peng, Fei Feng, Rongzhen Ouyang, Weihui Xie, Qian Wang, Aimin Sun, Yumin Zhong

Publikováno v: BMC Medical Imaging, Vol 21, Iss 1, Pp 1-11 (2021)

Abstract Background To assess the accuracy and reproducibility of right ventricular (RV) and left ventricular (LV) function and flow measurements in children with repaired tetralogy of Fallot (rTOF) using four-dimensional (4D) flow, compared with con

Externí odkaz: https://doaj.org/article/3d5058ed06804e609f7558d81c36b6e3

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Akademický článek

Left Atrial Dysfunction in Children with Repaired Pulmonary Artery Atresia with Ventricular Septal Defect: A Cardiovascular Magnetic Resonance Imaging Study

Autor: Yanyan Ma, Liwei Hu, Qian Wang, Aimin Sun, Rongzhen Ouyang, Jinglei Wang, Hao Zhang, Haibo Zhang, Chen Guo, Yumin Zhong

Publikováno v: Children, Vol 9, Iss 10, p 1536 (2022)

(1) Background: The left atrium (LA) is much more than a reservoir for left ventricular filling. The aim of this study was to assess the LA volume and function in patients with repaired pulmonary artery atresia with ventricular septal defect (rPA/VSD

Externí odkaz: https://doaj.org/article/ba1f6cbf5fe64fb89451290d1ae1ebf6

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Right and left ventricular function and flow quantification in pediatric patients with repaired tetralogy of Fallot using four-dimensional flow magnetic resonance imaging

Autor: Yao Xiaofen, Yumin Zhong, Rongzhen Ouyang, Ai-Min Sun, Yafeng Peng, Wei-Hui Xie, Liwei Hu, Qian Wang, Fei Feng

Publikováno v: BMC Medical Imaging, Vol 21, Iss 1, Pp 1-11 (2021)
BMC Medical Imaging

Background To assess the accuracy and reproducibility of right ventricular (RV) and left ventricular (LV) function and flow measurements in children with repaired tetralogy of Fallot (rTOF) using four-dimensional (4D) flow, compared with conventional

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::96081c795b6286f05cdf6a95101589ec
https://doaj.org/article/3d5058ed06804e609f7558d81c36b6e3

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Feasibility of using a non-sedation protocol for evaluation of neonatal congenital heart disease by using a 16-cm wide-detector computed tomography with a low radiation dose: preliminary experience from a single pediatric medical center

Autor: Jia-Qi Sun, Chen Guo, Liwei Hu, Qian Wang, Ai-Min Sun, Yujie Liu, Wei-Hui Xie, Haibo Zhang, Hai-Sheng Qiu, Zhuoming Xu, Rongzhen Ouyang, Yu Min Zhong

Publikováno v: The International Journal of Cardiovascular Imaging. 37:2303-2310

The aim of this study is to explore the feasibility of using a non-sedation protocol for the evaluation of neonatal congenital heart disease by using 16-cm wide-detector CT with a low radiation dose. Thirty-four neonates (group 1) were enrolled to un

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::792a6e3306bfc7967bdbebd87f38fb19
https://doi.org/10.1007/s10554-021-02197-0

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Pulmonary artery hemodynamic assessment of blood flow characteristics in repaired tetralogy of Fallot patients versus healthy child volunteers

Autor: Yong Zhang, Yumin Zhong, Chen Guo, Aimin Sun, Yan Qin, Yang Xiang, Qian Wang, Liwei Hu, Yafeng Peng, Rongzhen Ouyang

Publikováno v: Quant Imaging Med Surg

BACKGROUND: This study aimed to assess the severity of helix and vortex flow in pulmonary artery hemodynamic using 4-dimensional flow cardiac magnetic resonance (4D flow CMR) in patients with repaired tetralogy of Fallot (rTOF) and healthy child volu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::413afee737ae6c6affc5c08a5b147c68
https://doi.org/10.21037/qims.2020.03.23

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Right and left ventricular interactions, strain, and remodeling in repaired pulmonary stenosis patients with preserved right ventricular ejection fraction: A cardiac magnetic resonance study

Autor: Shiyu Wang, Yafeng Peng, Fabao Gao, Liwei Hu, Rongzhen Ouyang, Lei Wang, Yumin Zhong, Wei-Hui Xie

Publikováno v: Journal of Magnetic Resonance Imaging. 52:129-138

BACKGROUND Right ventricular dilation and dysfunction is a common long-term complication in patients with repaired pulmonary stenosis (rPS). Additionally, abnormal right and left ventricular interactions have been reported in right-sided heart defect

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37936b694125bfe468304c2cc5aa91a3
https://doi.org/10.1002/jmri.27034

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Impairment of left atrial function in pediatric patients with repaired tetralogy of Fallot: a cardiovascular magnetic resonance imaging study

Autor: Leng Shuang, Rongzhen Ouyang, Wei-Hui Xie, Zhong Liang, Liwei Hu, Tongtong Han, Zhao Xiaodan, Yafeng Peng, Xinlong Liu, Chen Guo, Yumin Zhong

Publikováno v: The international journal of cardiovascular imaging. 37(11)

We aimed to assess left atrial (LA) strain before LA dilatation in patients with repaired tetralogy of Fallot (rTOF) compared with healthy controls. We also determined the effects of right atrial (RA) dilatation on LA performance using cardiovascular

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::268729dcc34fff98172a66802c13245c
https://pubmed.ncbi.nlm.nih.gov/34105081

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Postoperative evaluation of left ventricular global strain using cardiac computed tomography in pediatric patients with congenital heart disease: A comparison with echocardiography

Autor: Yu-Qi Zhang, Yumin Zhong, Chen Guo, Qin Yan, Wei-Hui Xie, Hai-Sheng Qiu, Ai-Min Sun, Li-Jun Chen, Qian Wang, Rongzhen Ouyang, Liwei Hu

Publikováno v: European journal of radiology. 142

We explored the feasibility and reproducibility of cardiac computed tomography (CCT)-derived left ventricular (LV) global strain in postoperative children with congenital heart disease (CHD) and compared its correlation and agreement with transthorac

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba7ca9b77deb881034efd9b489b45dd3
https://pubmed.ncbi.nlm.nih.gov/34311155

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Detection of persistent systolic and diastolic abnormalities in asymptomatic pediatric repaired tetralogy of Fallot patients with preserved ejection fraction: a CMR feature tracking study

Autor: Aimin Sun, Liwei Hu, Qin Yan, Rongzhen Ouyang, Xiaodan Zhao, Liang Zhong, Shuang Leng, Ru San Tan, Yumin Zhong, Qian Wang

Publikováno v: European radiology. 31(8)

A fast cardiovascular magnetic resonance (CMR) feature tracking was applied to assess ventricular systolic and diastolic function. This study sought to detect right ventricular (RV) systolic and diastolic abnormalities in asymptomatic pediatric repai

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be164199267b3e0d2f2426eea4513be2
https://pubmed.ncbi.nlm.nih.gov/33492469

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Feasibility of Three-Dimensional Balanced Steady-State Free Precession Cine Magnetic Resonance Imaging Combined with an Image Denoising Technique to Evaluate Cardiac Function in Children with Repaired Tetralogy of Fallot

Autor: Yao Xiaofen, Qian Wang, XinYu Su, Rongzhen Ouyang, Liwei Hu, Yafeng Peng, Yumin Zhong, Aimin Sun, LiJia Wang, Chen Guo, Yong Zhang

Publikováno v: Korean Journal of Radiology

Objective To investigate the feasibility of cine three-dimensional (3D) balanced steady-state free precession (b-SSFP) imaging combined with a non-local means (NLM) algorithm for image denoising in evaluating cardiac function in children with repaire

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9b506e057a8cc585784b4d52a7c5af66
https://doi.org/10.3348/kjr.2020.0850

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