Search Results 1-20 of 353

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Mitral Ebstein's Anomaly Modified with a Scarred Rhabdomyoma in Tuberous Sclerosis: An Extremely Rare Cause of Mitral Insufficiency

Yokota Shun , Matsumoto Kensuke , Tanaka Hidekazu , Nakai Hidekazu , Okada Kenji , Hirata Ken-ichi

… However, surgical inspection revealed a dysplastic posterior leaflet adhering to the ventricular wall, which was completely covered by the endocardium. …

Internal Medicine, 2021

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2

Significant role of magnetic resonance imaging for the diagnosis and evaluation of cardiac amyloidosis in primary light chain amyloidosis

Sekiguchi Yasunobu , Tomita Shigeki , Izumi Hiroshi , Isogai Hiroyuki , Okubo Mitsuo , Nakamura Noriko , Sawada Tomohiro , Matsumoto Kimihiro , Noguchi Masaaki , Wakabayashi Mutsumi , Iizuka Hiroko , Takizawa Haruko , Sugimoto Keiji , Sakajiri Sakura , Inano Tadaaki , Fukuda Yasutaka , Hamano Yasuharu

… Cardiac MRI revealed diffuse global subendocardial late gadolinium enhancement below the left ventricular endocardium and a dark blood pool of intracardiac contrast medium. …

Journal of Clinical and Experimental Hematopathology 60(3), 97-102, 2020

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3

Precise Signals with a High-Density Grid Mapping Catheter Are Useful for an Entrainment Study:A Case with a Perimitral Atrial Tachycardia with an Epi-Endocardium Breakthrough

Oikawa Jun , Horiguchi Ai , Nishinarita Ryo , Ishizue Naruya , Kishihara Jun , Ako Junya , Fukaya Hidehira , Niwano Shinichi , Saito Daiki , Sato Tetsuro , Matsuura Gen , Arakawa Yuki , Shirakawa Yuki , Kobayashi Shuhei

… Here, we describe a patient with a perimetral AT with epi-endocardium breakthrough after a MAZE surgery and catheter ablation, which was treated successfully along with detailed entrainment mapping using the HD Grid. …

International Heart Journal 61(4), 838-842, 2020

J-STAGE
4

Subendocardial nodular proliferation of myofibroblasts in a laboratory beagle

Sano Tomoya , Yasuno Hironobu , Watanabe Takeshi

… A smooth white focus was macroscopically observed in the right ventricular endocardium in a 15-month-old male beagle from a 4-week oral gavage toxicity study. …

Journal of Toxicologic Pathology 33(1), 25-28, 2020

J-STAGE Ichushi Web
5

Impact of Hemodialysis on Left Ventricular Function in Patients With Hemodialysis: A Study Using 3-Dimensional Speckle Tracking Echocardiography [in Japanese]

TAKAI Akiko , KATO Miho , HAYANO Yusuke , Chika Chika , KISHI Rumi , IWATA Tomohiko , KODA Masahiko , TAKATSU Hisato

… LV volume, strain, and torsion at the sub-endocardium and sub-epicardium were examined using 3D-STE in 76 patients on HD (age 64 ± 2 years) and 22 controls (age 71 ± 9 years). … LVEF, strain, and torsion at both layers in all HD patients (n = 76) were comparable to those in the controls (torsion at the sub-endocardium: 2.2 ± 0.7 vs 2.4 ± 1.1°/cm) despite increased LV mass and volume. …

JOURNAL OF THE JAPANESE ASSOCIATION OF RURAL MEDICINE 68(4), 460-467, 2019

J-STAGE Ichushi Web
6

Feasibility and Reproducibility of Fetal Left Ventricular Twist Using Two-Dimensional Speckle-Tracking Analysis in a Japanese Population

Matsuura Yuko , Daimon Masao , Notomi Yuuichi , Miyasaka Naoyuki , Yamaguchi Yohei , Doi Shozaburo

… We could not analyze 11 cases (20%) because of poor image quality due to fetal position in five cases (45.5%), failure to track the endocardium because of blurred images in five cases (45.5%), and failure to obtain images of the heart due to the presence of the placenta in front of the fetus in one case (9.1%). …

International Heart Journal 60(3), 671-678, 2019

J-STAGE Ichushi Web
7

Early Assessment of Left Ventricular Function by Layer-Specific Strain and Its Relationship to Pulsatile Arterial Load in Patients with Coronary Slow Flow

Shi Jing , Shu Xianhong , Xing Yumeng , Qian Juying , Yang Hongbo , Yan Yan , Li Qing , Luo Limin , Kong Dehong , Pan Cuizhen

… Layer-specific longitudinal and circumferential strains were assessed from endocardium, mid-myocardium, and epicardium (global longitudinal strain (GLS)-endo, GLS-mid, GLS-epi and GCS-endo, GCS-mid, GCS-epi) by two-dimensional speckle tracking imaging (2D-STI). … Layer-specific GLS showed a decreasing gradient from the endocardium to the epicardium in both the controls and CSF group. …

International Heart Journal 60(3), 586-592, 2019

J-STAGE Ichushi Web
8

Tumorectomy to Avoid Sudden Death by Pulmonary Embolism in a Patient with a Cardiac Tumor Originating from the Esophagus [in Japanese]

Kiryu Kentaro , Kadohama Takayuki , Yamaura Gembu , Chida Yosifumi , Tanaka Fuminobu , Takagi Daichi , Itagaki Yoshinori , Yamamoto Hiroshi

… Tumor metastasis to the endocardium is rare. …

Japanese Journal of Cardiovascular Surgery 48(3), 170-172, 2019

J-STAGE Ichushi Web
9

In-Depth Insight Into the Mechanisms of Cardiac Dysfunction in Patients With Type 1 Diabetes Mellitus Using Layer-Specific Strain Analysis

Iso Takeshi , Takubo Noriyuki , Kurita Mika , Ikeda Fuki , Watada Hirotaka , Shimizu Toshiaki , Takahashi Ken , Yazaki Kana , Ifuku Mayumi , Nii Masaki , Fukae Toshinaru , Yazawa Rieko , Ishikawa Akimi , Haruna Hidenori

… Layer-specific longitudinal strain (LS) and circumferential strain (CS) of the 3 myocardial layers (endocardium, midmyocardium, and epicardium) were determined using echocardiography. …

Circulation Journal 83(6), 1330-1337, 2019

J-STAGE Ichushi Web
10

Left Ventricular Torsion in Hypertension and Hypertensive Heart Failure　― 3-Dimensional Speckle Tracking Echocardiography Assessment ―

Minatoguchi Shingo , Watanabe Sachiro , Minatoguchi Shinya , Kawasaki Masanori , Yoshizane Takashi , Tanaka Ryuhei , Iwama Makoto , Watanabe Takatomo , Sato Hidemaro , Nagaya Maki , Ono Koji , Noda Toshiyuki

… Methods and Results: LV strain, strain rate during systole (SR-S) and torsion at endocardium, mid-wall and epicardium were assessed on 3D-STE in 53 controls and 186 HTN patients. … LV longitudinal strain at endocardium in HTN with LVH decreased, whereas LVEF was similar to that in controls and, which was associated with increased torsion at epicardium. …

Circulation Reports 1(2), 78-86, 2019

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11

Liver Abscess Associated with Streptococcus suis Serotype 4 in a Duroc Boar

TAKIZAWA Koka , KUSUMOTO Masahiro , MATSUURA Toshiyuki , NAGAI Tomoko , KOBAYASHI Yoshifumi , IMAI Naoto , SHIBAHARA Tomoyuki

… infection involves meninges, endocardium, joints, and the lungs. …

Japan Agricultural Research Quarterly: JARQ 52(4), 347-352, 2018

J-STAGE
12

Analysis of energy consumption under various residual stress distribution using ring shape LV model [in Japanese]

Tamura Kumiko , Nishioka Takahiko , Kato Shiro , Amano Akira

… It is known that residual stress exists in the left ventricular (LV) wall, and Rodriguez (1993) reported that the tissue is compressive at the endocardium and tensile at the epicardium on the unloaded state. …

Transactions of Japanese Society for Medical and Biological Engineering Annual56(Abstract), S347-S347, 2018

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13

Effect of Force Velocity Relation on Stress Distribution in Ventricular Wall [in Japanese]

KATO SHIRO , TAMURA KUMIKO , AMANO AKIRA

… Geometrically, the rate of sarcomere shortening is larger for endocardium than epicardium. … Thus, if the initial sarcomere length of endocardium is larger than that of epicardium, then the transmural stress distribution tends to become homogenious. …

Transactions of Japanese Society for Medical and Biological Engineering Annual56(Abstract), S348-S348, 2018

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14

Three-Dimensional Spiral Wave Reentry with I-Shaped Type Filament in Ventricular Septum [in Japanese]

KAWASHIMA KEITARO , YATABE JUNYA , SHIBATA NITARO , YAMAZAKI MASATOSHI , HONJO HARUO , ARAFUNE TATSUHIKO

… In recent years, an endoscope was inserted into the left atrium of the sheep heart, and action potential of left atrium was measured simultaneously by optical mapping method using two high speed cameras, endocardium and epicardium at the same time research has been reported. …

Transactions of Japanese Society for Medical and Biological Engineering Annual56(Abstract), S111-S111, 2018

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15

Quantitative Differentiation of LV Myocardium with and without Layer-Specific Fibrosis Using MRI in Hypertrophic Cardiomyopathy and Layer-Specific Strain TTE Analysis

Funabashi Nobusada , Takaoka Hiroyuki , Ozawa Koya , Kamata Tomoko , Uehara Masae , Komuro Issei , Kobayashi Yoshio

… PLS and PCS in each layer of the LVM (endocardium, epicardium, and whole-layer myocardium) were calculated for 17 AHA-defined lesions. … There were no significant differences in PCS of LV myocardium (endocardium, epicardium, and whole-layer) between fibrotic and non-fibrotic lesions. … Quantitative regional PLS but not PCS in LV endocardium, epicardium, and whole-layer myocardium provides useful non-invasive information for layer-specific localization of fibrosis in HCM patients. …

International Heart Journal 59(3), 523-530, 2018

J-STAGE Ichushi Web
16

Recent Advances in Percutaneous Cardioscopy for Heart Disease

Uchida Yasumi

… Subendocardial microvessels can be seen through the endocardium. …

Angioscopy 4(1), 12-22, 2018

J-STAGE Ichushi Web
17

Endocardial Fibrotic Lesions Have a Greater Effect on Peak Longitudinal Strain than Epicardial Fibrotic Lesions in Hypertrophic Cardiomyopathy Patients

Funabashi Nobusada , Takaoka Hiroyuki , Ozawa Koya , Kobayashi Yoshio

… In HCM patients, fibrotic lesions in the LV endocardium have a greater adverse effect on PLS than those in the LV epicardium. … Our results are significant for HCM patients with fibrotic lesions within the LV endocardium. …

International Heart Journal 59(2), 347-353, 2018

J-STAGE Ichushi Web
18

In-Depth Insight Into the Mechanisms of Cardiac Dysfunction in Patients With Childhood Cancer After Anthracycline Treatment Using Layer-Specific Strain Analysis

Yazaki Kana , Saito Masahiro , Nii Masaki , Shimizu Toshiaki , Takahashi Ken , Shigemitsu Sachie , Yamada Mariko , Iso Takeshi , Kobayashi Maki , Akimoto Katsumi , Tamaichi Hiroyuki , Fujimura Junya

… Layer-specific longitudinal strain (LS) and circumferential strain (CS) of 3 myocardial layers (endocardium, midmyocardium, and epicardium) were determined using echocardiography. … LVEF and LS were not significantly different between patients and controls.Conclusions:Among survivors of childhood cancer, impaired myocardial deformation starts in adolescence and extends from the endocardium towards the epicardium and from the base towards the apex with age. …

Circulation Journal 82(3), 715-723, 2018

J-STAGE Ichushi Web
19

Dynamics of angiogenesis in ischemic areas of the infarcted heart

Kobayashi Koichi , Maeda Kengo , Takefuji Mikito , Kikuchi Ryosuke , Morishita Yoshihiro , Hirashima Masanori , Murohara Toyoaki

… Here, we describe a novel circulatory system wherein new vessels develop from the endocardium of the left ventricle to perfuse the hypoxic area and salvage damaged cardiomyocytes at 3-14 days after MI by activating vascular endothelial growth factor signaling. … Moreover, enhanced angiogenesis increased cardiomyocyte survival along the endocardium in the ischemic zone and suppressed ventricular remodeling in infarcted hearts. …

Scientific Reports (7), 7156, 2017-08-02

IR
20

Endothelial-mesenchymal transition in human atrial fibrillation

Kato Takeshi , Sekiguchi Akiko , Sagara Koichi , Tanabe Hiroaki , Takamura Masayuki , Kaneko Shuichi , Aizawa Tadanori , Fu Long-Tai , Yamashita Takeshi

… Immunofluorescence assay of the left atrial tissue identified snail and S100A4 being expressed within the endocardium which is composed of CD31+ cells. … The snail-positive endocardium also showed the expression of membrane type 1-matrix metalloproteinase. …

Journal of Cardiology 69(5), 706-711, 2017-05-01

IR Ichushi Web

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