Energy dynamics of the intraventricular vortex after mitral valve surgery.

abstract：:Coronary artery spasm is involved in the pathogenesis of various cardiac disorders. We investigated patients with a history of syncope who underwent elective coronary angiography. We retrospectively analyzed 5781 consecutive patients who had diagnostic or follow-up angiography during a 26-year period. During this peri...

journal_title：Heart and vessels

authors： Sueda S,Kohno H

更新日期：2018-02-01 00:00:00

abstract：:In the original publication of the article, the unit of hand in Fig. 2 was wrongly given as "N/kg" instead of "kg". ...

journal_title：Heart and vessels

authors： Taya M,Amiya E,Hatano M,Maki H,Nitta D,Saito A,Tsuji M,Hosoya Y,Minatsuki S,Nakayama A,Fujiwara T,Konishi Y,Yokota K,Watanabe M,Morita H,Haga N,Komuro I

更新日期：2018-07-01 00:00:00

abstract：:The overall transfer function of a photoplethysmograph (PPG) converting changes in intravascular volume to changes in recorder pen deflection was investigated. The specifications of the apparatus working as a red cell densitometer were assessed in vitro, and it was found that PPG output is a logarithmic function of re...

journal_title：Heart and vessels

authors： Jespersen LT,Pedersen OL

更新日期：1986-01-01 00:00:00

abstract：:The normal development of elastin fibers in the thoracic aorta was studied in fetal, young, and adult monkeys. Tissue was examined by scanning electron microscopy (SEM) after NaOH treatment and by transmission electron microscopy (TEM). The NaOH treatment of fixed tissues effectively removed collagen fibers and enable...

journal_title：Heart and vessels

authors： Sato F,Shimada T,Kitamura H,Campbell GR,Ogata J

更新日期：1994-01-01 00:00:00

abstract：:The purpose of this study was to evaluate the surgical results of papillary muscle approximation (PMA) and papillary muscle relocation (PMR) for functional mitral regurgitation (FMR) and to compare the effects of both procedures on the change in mitral regurgitation (MR) and echocardiogram parameters associated with t...

journal_title：Heart and vessels

authors： Furukawa K,Yano M,Nakamura E,Matsuyama M,Nishimura M,Kawagoe K,Nakamura K

更新日期：2018-01-01 00:00:00

abstract：:High levels of serum phosphate are associated with calcification of human smooth muscle cells (HSMCs). We investigated whether inhibition of protein kinase A (PKA) and mitogen-activated protein kinase (MAPK) signals [p38, extracellular signal-regulated kinase (ERK), and c-Jun N-terminal kinase (JNK)] can reduce inorga...

journal_title：Heart and vessels

authors： Kang JH,Toita R,Asai D,Yamaoka T,Murata M

更新日期：2014-09-01 00:00:00

abstract：:Abnormal P-wave characteristics were reportedly associated with left ventricular interstitial fibrosis as defined by cardiac magnetic resonance images. The objective of this study is to investigate the utility of P-wave characteristics to predict atrial fibrillation (AF) recurrence and the recovery of left ventricular...

journal_title：Heart and vessels

authors： Doi A,Takagi M,Katayama H,Yoshiyama T,Hayashi Y,Tatsumi H,Yoshiyama M

更新日期：2018-11-01 00:00:00

abstract：:We have theoretically proposed "systolic pressure-volume area" (PVA) as a measure of total mechanical energy generated by ventricular contraction. We then experimentally showed that PVA closely correlates with left ventricular oxygen consumption (Vo2) regardless of ventricular loading conditions in a stable contractil...

journal_title：Heart and vessels

authors： Suga H,Goto Y,Futaki S,Kawaguchi O,Yaku H,Hata K,Takasago T

更新日期：1991-01-01 00:00:00

abstract：:A 65-year-old man was admitted with chest pain. A diagnosis of spastic angina was made because of symptoms of recurrent anginal attacks associated with ST-segment elevations in the electrocardiogram. A selective coronary arteriogram revealed a 90% diameter narrowing of the proximal left anterior descending coronary ar...

journal_title：Heart and vessels

authors： Kusachi S,Takata S,Iwasaki K,Nishiyama O,Kita T,Namba H,Hata T,Taniguchi G,Saito D,Haraoka S

更新日期：1989-01-01 00:00:00

abstract：:In the original publication of the article, under the results section, the following sentence. ...

journal_title：Heart and vessels

authors： Watanabe T,Kanzaki Y,Yamauchi Y,Ito T,Nishida Y,Yamamura K,Komori T,Sohmiya K,Hoshiga M

更新日期：2020-05-01 00:00:00

abstract：:The number of circulating endothelial progenitor cells (EPCs) is considered to be a surrogate marker for coronary artery disease (CAD). Recent studies have identified a novel T-cell subset labeled with CD3(+)/CD31(+), which is necessary for EPC colony formation and constitutes the central cluster. However, the clinica...

journal_title：Heart and vessels

authors： Kakizaki M,Nobori K,Watanabe H,Iino K,Ishida M,Ito H

更新日期：2013-09-01 00:00:00

abstract：:Drug-eluting stents reduce restenosis due to neointimal growth suppression. Considering long-term outcomes, it is both difficult and important to predict drug-eluting stent restenosis. Thus, this study was designed to examine the utility of myocardial fractional flow reserve (FFR) as a predictor of sirolimus-eluting s...

journal_title：Heart and vessels

authors： Ishii H,Kataoka T,Kobayashi Y,Tsumori T,Takeshita H,Matsumoto R,Shirai N,Nishioka H,Hasegawa T,Nakata S,Shimada Y,Ehara S,Muro T,Yoshiyama M

更新日期：2011-11-01 00:00:00

abstract：:Hypertrophic cardiomyopathy (HCM) with severe diastolic dysfunction is a major cause of heart failure and sudden cardiac death (SCD) associated with lethal arrhythmia. Although various risk factors for cardiac events have been reported in HCM patients, previous studies have reported that some HCM patients exhibit eith...

journal_title：Heart and vessels

authors： Sugiura Y,Morimoto R,Aoki S,Yamaguchi S,Haga T,Kuwayama T,Yokoi T,Hiraiwa H,Kondo T,Watanabe N,Kano N,Fukaya K,Sawamura A,Okumura T,Murohara T

更新日期：2019-12-01 00:00:00

abstract：:Cardiogenic shock frequently leads to death even with intensive treatment. Although the leading cause of cardiogenic shock is acute coronary syndrome (ACS), the clinical characteristics and the prognosis of ACS with cardiogenic shock in the present era still remain to be elucidated. We analyzed clinical characteristic...

journal_title：Heart and vessels

authors： Sakamoto K,Matoba T,Mohri M,Ueki Y,Tsujita Y,Yamasaki M,Tanaka N,Hokama Y,Fukutomi M,Hashiba K,Fukuhara R,Suwa S,Matsuura H,Tachibana E,Yonemoto N,Nagao K

更新日期：2019-08-01 00:00:00

abstract：:We present a case of a 38-year-old woman with intravenous leiomyomatosis originating from the uterus involving the right ventricle, right atrium, inferior vena cava, and iliac veins. Tumors in the heart and the inferior vena cava were removed using cardiopulmonary bypass and circulatory arrest; 10 days after the cardi...

journal_title：Heart and vessels

authors： Gaudino M,Spatuzza P,Snider F,Luciani N,Cina G,Possati G

更新日期：2002-12-01 00:00:00

abstract：:We examined the effect of dialyzing oxidized low-density lipoprotein (oLDL) against Krebs-Ringer solution, in the absence (yielding d-oLDL) or presence (yielding EDTA-oLDL) of ethylenediamine tetraacetic acid (EDTA), to investigate the mechanism that underlies the inhibition of endothelium-dependent relaxation (EDR) b...

journal_title：Heart and vessels

authors： Hayashi T,Ishikawa T,Kuzuya M,Naito M,Yamada K,Asai K,Hidaka H,Iguchi A

更新日期：1994-01-01 00:00:00

abstract：:Ventricular arrhythmias play a critical role in chronic heart failure (CHF) and are associated with adverse clinical outcomes. Sleep-disordered breathing (SDB) is associated with arrhythmias and/or a poor prognosis in CHF. Adaptive servo-ventilation (ASV) is a ventilatory support system designed to normalize ventilati...

journal_title：Heart and vessels

authors： Iwaya S,Yoshihisa A,Nodera M,Owada T,Yamada S,Sato T,Suzuki S,Yamaki T,Sugimoto K,Kunii H,Nakazato K,Suzuki H,Saitoh S,Takeishi Y

更新日期：2014-07-01 00:00:00

abstract：:A drawback of visual assessment for late gadolinium enhancement (LGE) on cardiac magnetic resonance (CMR) is the subjectivity and reproducibility of the results. The aim of this study was to investigate the relationship between left ventricular (LV) reverse remodeling in response to optimal pharmacotherapies and the d...

journal_title：Heart and vessels

authors： Ehara S,Matsumoto K,Kitada R,Nishimura S,Shimada K,Yoshiyama M

更新日期：2018-12-01 00:00:00

abstract：:The aim of this study was to examine the efficacy and safety of this novel epicardial circumferential left atrial ablation (CLAA) with pulmonary vein isolation (PVI) in sustained atrial fibrillation (AF). Thirty domestic pigs were divided equally into 3 groups: AF without ablation (AF group), AF with PVI (PVI group), ...

journal_title：Heart and vessels

authors： Jiang Z,Yin H,He Y,Ma N,Tang M,Liu H,Ding F,Mei J

更新日期：2015-09-01 00:00:00

abstract：:Whether trough-phase rivaroxaban concentrations provide sufficient anticoagulation needs more study. We evaluated levels of coagulation activation markers in the trough concentration phase in nonvalvular atrial fibrillation (NVAF) patients, and the correlation between these markers and rivaroxaban concentration. Fifty...

journal_title：Heart and vessels

authors： Kitagawa F,Ishii J,Hiramitsu S,Takahashi H,Okuyama R,Kawai H,Muramatsu T,Harada M,Motoyama S,Naruse H,Matsui S,Sarai M,Hayashi M,Watanabe E,Izawa H,Ozaki Y

更新日期：2017-05-01 00:00:00

abstract：:Transcatheter MitraClip repair is a new tool for the management of severe mitral regurgitation in patients at very high risk for conventional surgery. Aim of our study was reporting one-year clinical outcomes in candidates to MitraClip procedures, divided into three groups according to the cardiovascular medicine hear...

journal_title：Heart and vessels

authors： Ussia GP,Cammalleri V,Mazzotta E,Pascuzzo G,Muscoli S,Marchei M,Macrini M,Anceschi A,Romeo F

更新日期：2016-10-01 00:00:00

abstract：:The coronary flow velocity reserve (CFR) is decreased in patients with aortic valve stenosis (AS). The aim of the present prospective study was to examine the CFR in AS patients with normal epicardial coronary arteries during a 3-year follow-up of aortic valve replacement (AVR). A total of 30 AS patients (17 women and...

journal_title：Heart and vessels

authors： Nemes A,Forster T,Kovács Z,Csanády M

更新日期：2006-05-01 00:00:00

abstract：:The effects of nifedipine on regional dysfunction during pacing-induced ischemia were studied in eight patients with coronary artery disease. Single-plane left ventriculograms were obtained using a high-fidelity micromanometer-tipped catheter in the control and post-pacing periods both before and after pretreatment wi...

journal_title：Heart and vessels

authors： Nonogi H,Sasayama S,Miyazaki S,Asanoi H,Yamanishi K,Kawai C,Eiho S,Kuwahara M

更新日期：1985-11-01 00:00:00

abstract：:No studies have evaluated both the time-to-isolation (TTI) and the sequence of pulmonary vein (PV) potentials in cryoballoon ablation (CBA) for atrial fibrillation (AF). This study aimed to prospectively evaluate the acute results of pulmonary vein isolation (PVI) using a novel CBA technique-the earliest potential (EP...

journal_title：Heart and vessels

authors： Mizutani Y,Kanashiro M,Makino Y,Satake A,Suzuki W,Kurobe M,Mizutani K,Ichimiya H,Uchida Y,Watanabe J,Ichimiya S,Inden Y,Murohara T

更新日期：2020-02-01 00:00:00

abstract：:Warfarin-induced skin necrosis is the rare but potentially devastating complication of anticoagulant therapy and commonly occurs in previously undetected C- and S-protein deficient patients. Because routine preoperative examination does not include protein C and S level measurement, detection of these patients preoper...

journal_title：Heart and vessels

authors： Oz BS,Asgun F,Oz K,Kuralay E,Tatar H

更新日期：2007-01-01 00:00:00

abstract：:We investigated the therapeutic principles and strategies to treat sustained ventricular tachycardia (SVT) as five leading medical institutions in the Tokyo area and summarized the present situation of SVT treatment in Japan. Catheter ablation (ABL) has been almost established to be effective in idiopathic ventricular...

journal_title：Heart and vessels

authors： Ogura H,Katoh T,Kasanuki H,Iinuma H,Ozawa Y,Majima S,Hayakawa H

更新日期：1997-01-01 00:00:00

abstract：:In a mass chest computed tomography (CT) screening using a mobile helical CT unit, we measured the aortic diameter at three segments to confirm standard values and also attempted to detect any asymptomatic aortic aneurysms. The population screened in the present study consisted of 6971 subjects (3847 men and 3124 wome...

journal_title：Heart and vessels

authors： Itani Y,Watanabe S,Masuda Y,Hanamura K,Asakura K,Sone S,Sunami Y,Miyamoto T

更新日期：2002-01-01 00:00:00

abstract：:Direct oral anticoagulants (DOACs), such as rivaroxaban, reduce the risk of stroke and systemic embolism in patients with nonvalvular atrial fibrillation (NVAF). However, it is still unclear whether the stroke reduction benefit outweighs the bleeding risk in elderly Japanese patients with NVAF. The Xarelto Post-Author...

journal_title：Heart and vessels

authors： Kitazono T,Ikeda T,Ogawa S,Nakagawara J,Minematsu K,Miyamoto S,Murakawa Y,Cavaliere M,Hayashi Y,Kidani Y,Okayama Y,Sunaya T,Sato S,Yamanaka S

更新日期：2020-03-01 00:00:00

abstract：:Myocardial fibrosis and microvascular dysfunction are key determinants of outcome in heart failure (HF); we examined their relationship in patients with HF. Our study included 61 consecutive patients with HF but without coronary stenosis. All underwent gadolinium-enhanced cardiac magnetic resonance to evaluate late ga...

journal_title：Heart and vessels

authors： Uemura T,Yamamuro M,Kaikita K,Takashio S,Utsunomiya D,Hirakawa K,Nakayama M,Sakamoto K,Yamamoto E,Tsujita K,Kojima S,Hokimoto S,Yamashita Y,Ogawa H

更新日期：2016-12-01 00:00:00

abstract：:In the present study we examined the action of native and oxidized low-density lipoproteins (LDL) on coronary vascular and cardiac function and ultrastructure in rat hearts perfused isovolumically in the Langendorff mode. Responses of the coronary resistance vessels to the endothelium-dependent vasodilator, histamine,...

journal_title：Heart and vessels

authors： Harrison GJ,Jordan LR,Selley ML,Willis RJ

更新日期：1995-01-01 00:00:00