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Journal of Echocardiography

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https://www.readbyqxmd.com/read/28801894/increased-apical-rotation-in-patients-with-severe-aortic-stenosis-assessed-by-three-dimensional-speckle-tracking-imaging
#1
Maidar Tumenbayar, Kazuto Yamaguchi, Hiroyuki Yoshitomi, Akihiro Endo, Kazuaki Tanabe
BACKGROUND: Two-dimensional (2D) speckle tracking imaging (STI) is a non-invasive method used to assess subtle changes in left ventricular (LV) function such as strain and rotational dynamics. However, 2D methodology is complicated by issues such as the out-of-plane problem inherent in short-axis imaging. In addition, circumferential rotation contributes to three-dimensional (3D) wall deformations and affects tracking accuracy. By using 3D-STI technique, we evaluated LV global longitudinal strain (GLS) and apical rotation in severe aortic stenosis (AS) patients with preserved LV ejection fraction (EF)...
August 11, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28799132/the-analysis-of-mitral-annular-disjunction-detected-by-echocardiography-and-comparison-with-previously-reported-pathological-data
#2
Toshiko Konda, Tomoko Tani, Naoko Suganuma, Hitomi Nakamura, Toshiaki Sumida, Yoko Fujii, Junichi Kawai, Takeshi Kitai, Kitae Kim, Shuichiro Kaji, Yutaka Furukawa
BACKGROUND: Mitral annular disjunction is a structural abnormality of the mitral annulus fibrosus and is pathologically defined by a separation between the atrial wall-mitral valve junction and the left ventricular attachment. Mitral annular disjunction can cause hypermobility of the mitral valve apparatus and is often associated with mitral valve prolapse (MVP). The aim of this study was to investigate the frequency and characteristics of mitral annular disjunction in the patients referred to an echocardiography laboratory and to compare these with previously reported pathological data...
August 10, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28799109/difficult-diagnosis-of-ruptured-mitral-valve-aneurysm-because-of-severe-mitral-annular-calcification
#3
Takahiro Sakamoto, Hiroyuki Yoshitomi, Akihiro Endo, Kazuaki Tanabe
No abstract text is available yet for this article.
August 10, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28791620/prominent-v-wave-as-a-result-of-left-atrial-stiffening
#4
Katsuji Inoue, Chiharuko Iio, Hiroshi Kawakami, Takayuki Nagai, Takafumi Okura, Jitsuo Higaki, Shuntaro Ikeda
No abstract text is available yet for this article.
August 8, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28756505/perforated-mitral-valve-aneurysm-diagnosed-3%C3%A2-years-after-etiology-unknown-iliopsoas-muscle-abscess-illustrative-case-of-self-attack-endocarditis-of-the-mitral-valve
#5
Shun Nishino, Nozomi Watanabe, Masakazu Matsuyama, Mitsuhiro Yano, Yoshisato Shibata
No abstract text is available yet for this article.
July 29, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28702827/a-case-of-atrial-cardiomyopathy-in-a-patient-with-rheumatic-heart-disease-with-massive-left-atrial-calcification
#6
Megumi Shimada, Makoto Akaishi, Atsuko Hara
No abstract text is available yet for this article.
July 12, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28698984/echocardiographic-evaluation-of-cardiac-function-after-cancer-chemotherapy
#7
REVIEW
Tomoko Negishi, Kazuaki Negishi
Progress in cancer therapy has led to improved prognosis of patients with cancer and thus to a continuous rise of cancer survivors. However, it has simultaneously increased cardiovascular morbidity and mortality rates due to direct and/or indirect side effects of anticancer treatment. Similar to the rapid rise of patients with adult congenital disease, the number of patients suffering or at risk of cardiotoxicity has been steeply increasing and getting an emerging issue. Among the many facets of chemotherapy-induced cardiovascular toxicity, this review attempts to summarize echocardiographic evaluation of cardiac function after cancer chemotherapy by reviewing the definition, risk factors, brief history, limitation of left ventricular ejection fraction and myocardial strain imaging, as well as the limitations of this technique...
July 11, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28674962/fabry-disease
#8
Toshinori Yuasa, Toshihiro Takenaka, Koji Higuchi, Nami Uchiyama, Yoshihisa Horizoe, Hideto Cyaen, Naoko Mizukami, Kunitsugu Takasaki, Akira Kisanuki, Masaaki Miyata, Mitsuru Ohishi
Fabry disease resulting from a deficiency of α-galactosidase A leads to the accumulation of globotriaosylceramide in various organs. Because the disease is an X-linked recessive disorder, males tend to develop more symptoms and more severe symptoms than females. There are also some variants of Fabry disease, and cardiac variant (cardiac Fabry disease) has the dysfunctions only in heart. Cardiac manifestations in Fabry disease are initially symmetrical and concentric left ventricular hypertrophy, and later progressive cardiac dysfunction with localized thinning of the basal posterior wall...
July 3, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28656568/left-atrial-and-left-ventricular-collapse-secondary-to-pericardial-effusion
#9
Julio César Sauza-Sosa, Nilda Espinola-Zavaleta
No abstract text is available yet for this article.
June 27, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28639243/right-atrial-myocardial-deformation-by-two-dimensional-speckle-tracking-echocardiography-predicts-recurrence-in-paroxysmal-atrial-fibrillation
#10
Malini Govindan, Anatoli Kiotsekoglou, Samir K Saha, A John Camm
BACKGROUND: Atrial fibrillation (AF) is a bi-atrial disease yet little attention has been given to right heart function in AF. We propose that the assessment of right atrial (RA) and right ventricular function (RV) using two-dimensional speckle tracking echocardiography (2D-STE) could be valuable in predicting AF recurrence in patients with paroxysmal AF (PAF). METHODS: Thirty patients with PAF were prospectively recruited from a dedicated AF clinic. Right atrial size, volume, and area and RV dimensions were analyzed along with RA and RV strain derived from 2D-STE at baseline and at 3 and 12 months...
June 21, 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28205061/on-the-accuracy-of-intracardiac-flow-velocimetry-methods
#11
EDITORIAL
Arash Kheradvar
No abstract text is available yet for this article.
June 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28155065/left-atrial-strain-assessed-by-three-dimensional-speckle-tracking-echocardiography-predicts-atrial-fibrillation-recurrence-after-catheter-ablation-in-patients-with-paroxysmal-atrial-fibrillation
#12
Atsushi Mochizuki, Satoshi Yuda, Takefumi Fujito, Mina Kawamukai, Atsuko Muranaka, Daigo Nagahara, Shinya Shimoshige, Akiyoshi Hashimoto, Tetsuji Miura
BACKGROUND: Several studies have shown the utility of left atrial (LA) function determined by two-dimensional or three-dimensional speckle tracking echocardiography (2D- or 3D-STE) for identifying patients with paroxysmal atrial fibrillation (AF). However, whether 3D-STE is applicable for prediction of the recurrence of AF after catheter ablation (CA) remains unknown. We examined whether any 3D-STE parameters are better than 2D-STE parameters for the prediction of AF recurrence. METHODS: Forty-two patients with paroxysmal AF (58 ± 10 years old, 69% male) underwent 2D- and 3D-STE within 3 days before first-time CA...
June 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/28116615/noninvasive-assessment-of-coronary-blood-flow-by-transthoracic-doppler-echocardiography-basic-to-practical-use-in-the-emergency-room
#13
Nozomi Watanabe
Echo Doppler is widely available in the clinical setting, and the feasibility of coronary flow detection in the left anterior descending coronary artery has been reported as >90% with the use of a high-frequency transducer. Coronary flow detection takes only a few minutes by skilled echocardiologists, and this noninvasive technique can provide useful physiological information in patients with various types of coronary artery disease. Coronary flow velocity reserve measurement by echo Doppler is a simple and easy technique...
June 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/27873174/prognostic-value-of-exercise-left-ventricular-end-systolic-volume-index-in-patients-with-asymptomatic-aortic-regurgitation-an-exercise-echocardiography-study
#14
Yukio Sato, Masaki Izumo, Kengo Suzuki, Seisyou Kou, Kihei Yoneyama, Maya Tsukahara, Kanako Teramoto, Keisuke Minami, Shingo Kuwata, Ryo Kamijima, Kei Mizukoshi, Akio Hayashi, Sachihiko Nobuoka, Eiji Ohtaki, Tomoo Harada, Yoshihiro J Akashi
BACKGROUND: Surgical timing of chronic aortic regurgitation (AR) remains a matter of debate because of limited data. This study assessed the prognostic value of exercise echocardiography in asymptomatic AR. METHODS: This prospective study included 60 consecutive asymptomatic patients with isolated moderate or severe AR (mean regurgitant volume 56.7 ± 11.8 ml) and preserved ejection fraction who underwent exercise echocardiography. The clinical outcomes were defined by the presence of major adverse cardiovascular events (MACE) and the indication for aortic valve replacement (AVR) with class I or IIa classification in the current guidelines...
June 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/27848215/accuracy-and-limitations-of-vector-flow-mapping-left-ventricular-phantom-validation-using-stereo-particle-image-velocimetory
#15
Rei Asami, Tomohiko Tanaka, Ken-Ichi Kawabata, Kunio Hashiba, Takashi Okada, Tomohide Nishiyama
BACKGROUND: The accuracy of vector flow mapping (VFM) was investigated in comparison to stereo particle image velocimetry (stereo-PIV) measurements using a left ventricular phantom. VFM is an echocardiographic approach to visualizing two-dimensional flow dynamics by estimating the azimuthal component of flow from the mass-conservation equation. VFM provides means of visualizing cardiac flow, but there has not been a study that compared the flow estimated by VFM to the flow data acquired by other methods...
June 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/27744519/coronary-neovascularity-in-cystic-left-ventricular-thrombus-a-lacked-puzzle-piece
#16
Yoshiyuki Takase, Tomoo Nagai
No abstract text is available yet for this article.
June 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/27734323/left-ventricular-systemic-air-embolus-following-caesarean-section
#17
Sadat Ali Edroos, Hossam El-Gendi, Debashis Roy
No abstract text is available yet for this article.
June 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/27637900/a-case-of-myocardial-infarction-and-left-ventricular-pseudo-false-aneurysm-perforating-the-right-ventricle
#18
Ryuma Nakashima, Kazuto Yamaguchi, Hiroyuki Yoshitomi, Taiji Okada, Akihiro Endo, Kazuaki Tanabe
No abstract text is available yet for this article.
June 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/27619219/resolution-of-mid-ventricular-thrombus-in-a-patient-with-heart-failure-and-high-hematocrit
#19
Ikuo Misumi, Takuya Kiyama, Ryusuke Tsunoda, Tsuyoshi Honda, Masanobu Ishii, Akihiro Dosaka
No abstract text is available yet for this article.
June 2017: Journal of Echocardiography
https://www.readbyqxmd.com/read/27568205/direct-measurement-of-coronary-flow-during-a-vasospastic-angina-attack-by-transthoracic-doppler-echocardiography
#20
Shun Nishino, Nozomi Watanabe, Tatsuya Nakama, Tatsuro Takei, Keiichi Ashikaga, Nehiro Kuriyama, Yoshisato Shibata
No abstract text is available yet for this article.
June 2017: Journal of Echocardiography
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