Characterization of Ventricular Myocardial Performance in the Fetus by Tissue Doppler Imaging

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概要

• 論文の詳細を見る

• Background: Clinically useful indices of fetal cardiac function have not been fully delineated for tissue Doppler imaging (TDI). Methods and Results: In the present study, 56 pregnancies between the 17th and 38th weeks of gestation included 38 normal fetuses, 6 cases of hydrops fetalis (HF), and 12 of intrauterine growth retardation (IUGR). Peak velocity in early diastole (E) was measured by pulsed-wave Doppler and the peak annular velocities in systole (Sa) and early diastole (Ea) were measured by TDI. The ratio between flow velocity and annular velocity in early diastole (E/Ea) and the ratio of the Sa of right ventricle to that of the left ventricle (RVSa/LVSa) were estimated. In all fetuses with HF, LVSa was <2 cm/s and LVE/Ea was >13. RVSa/LVSa in the HF group was significantly higher than that in the normal group, and RVSa/LVSa in the IUGR group was significantly lower than that in the normal group. Conclusions: A combination of low LVSa and high LVE/Ea shows reduced global myocardial performance of the LV, and would be one of the useful indices for quantitative assessment in high-risk pregnancies. Changes in the RVSa/LVSa ratio may reflect afterload changes in both ventricles and compensatory cardiovascular mechanisms occurring during the process of placental insufficiency and heart failure.

• 社団法人　日本循環器学会の論文
• 2009-04-20

著者

• MIYAWAKI Toshio

  Department of Pediatrics, Graduate School of Medicine, University of Toyama

• 橋本 郁夫

  Department Of Pediatrics School Of Medicine University Of Toyama

• Watanabe Kazuhiro

  Department of Cardiology, Nihon University Surugadai Hospital

• Saito Shigeru

  Department of Cardiology, Teikyo University Hospital

• WATANABE Sayaka

  Department of Pediatrics, School of Medicine, University of Toyama

• HASHIMOTO Ikuo

  Department of Pediatrics, School of Medicine, University of Toyama

• SAITO Kazuyoshi

  Department of Pediatrics, School of Medicine, University of Toyama

• HIRONO Keiichi

  Department of Pediatrics, School of Medicine, University of Toyama

• UESE Keiichiro

  Department of Pediatrics, School of Medicine, University of Toyama

• ICHIDA Fukiko

  Department of Pediatrics, School of Medicine, University of Toyama

• NIEMANN Petra

  Clinical Care Center for Congenital Heart Disease, Oregon Health and Science University

• J SAHN

  Clinical Care Center for Congenital Heart Disease, Oregon Health and Science University

• Niemann Petra

  Clinical Care Center For Congenital Heart Disease Oregon Health And Science University

• Watanabe Kazuhiro

  Department Of Cardiology Resuscitation And Emergency Cardiovascular Care Surugadai Nihon University

• Hashimoto Ikuo

  Department Of Pediatrics Toyama Medical And Pharmaceutical University

• Miyawaki T

  Department Of Dermatology Graduate School Of Medicine University Of Toyama

• Hirono Keiichi

  Department Of Department Of Pediatrics Graduate School Of Medicine University Of Toyama

• Uese Kei-ichiro

  Department Of Pediatrics School Of Medicine University Of Toyama

• Ichida Fukiko

  Department Of Department Of Pediatrics Graduate School Of Medicine University Of Toyama

• Ichida Fukiko

  Department Of Pediatrics Faculty Of Medicine University Of Toyama

• Miyawaki Toshio

  Department Of Dermatology Graduate School Of Medicine University Of Toyama

• Ichida Fukiko

  The Gene Cardiovascular Disease Epidemiology Committee Of Japanese Pediatric Cardiology And Cardiac

• Saito Kazuyoshi

  Department Of Agricultural Chemistry Kyoto University

• J Sahn

  Clinical Care Center For Congenital Heart Disease Oregon Health And Science University

• Miyawaki Toshio

  Department Of Department Of Pediatrics Graduate School Of Medicine University Of Toyama

• Watanabe Sayaka

  Department Of Pediatrics School Of Medicine University Of Toyama

• Hashimoto Ikuo

  Department Of Pediatrics Toyama University School Of Medicine

• Watanabe Kazuhiro

  Department Of Pediatrics School Of Medicine University Of Toyama

• Saito Shigeru

  Department Of Anesthesiology Gunma University School Of Medicine

• Saito Shigeru

  Department Of Anesthesiology Gunma University Hospital School Of Medicine

• Watanabe Kazuhiro

  Department Of Anesthesiology And Critical Care Medicine University Of Tsukuba

• Ichida Fukiko

  The Gene Cardiovascular Disease Epidemiology Committee Of Japanese Pediatric Cardiology And Cardiac

• Saito Shigeru

  Department Of Obstetrics And Gynecology School Of Medicine University Of Toyama

• Saito Shigeru

  Department Of Anesthesiology And Reanimatology Gunma University School Of Medicine

• Ichida Fukiko

  The Gene Cardiovascular Disease Epidemiology Committee Of Japanese Pediatric Cardiology And Cardiac

• Miyawaki Toshio

  Department Of Pediatrics School Of Medicine Toyama Medical And Pharmaceutical University

• Watanabe Sayaka

  Department of Pathological Biochemistry, Faculty of Pharmaceutical Sciences, Setsunan University

• Saito Shigeru

  Department of Anesthesiology and Intensive Care Medicine, Gunma University Graduate School of Medicine

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