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Circulation Journal: Official Journal of the Japanese Circulation Society

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https://www.readbyqxmd.com/read/30404973/impact-of-physical-activity-on-coronary-plaque-volume-and-components-in-acute-coronary-syndrome-patients-after-early-phase-ii-cardiac-rehabilitation
#1
Miho Nishitani-Yokoyama, Katsumi Miyauchi, Kazunori Shimada, Takayuki Yokoyama, Shohei Ouchi, Tatsuro Aikawa, Mitsuhiro Kunimoto, Miki Yamada, Akio Honzawa, Shinya Okazaki, Hiroyuki Daida
BACKGROUND: Cardiac rehabilitation (CR) is an established multidisciplinary secondary preventive program. We investigated the effects of CR involving intensive physical activity (PA) on coronary plaque volume and components in patients with acute coronary syndrome (ACS).Methods and Results:We enrolled 32 consecutive patients with ACS in early phase II CR and randomly assigned them to an intensive CR group (n=18; CR participation ≥twice/week, daily PA ≥9,000 steps) or a standard CR group (n=14; CR participation ≥once/2weeks, daily PA ≥6,000 steps)...
November 8, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30404978/cardiac-allograft-vasculopathy-heart-transplantation-provides-insights-into-pathogenesis-and-treatment-of-arteriosclerosis
#2
Shinichi Nunoda
No abstract text is available yet for this article.
November 6, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30404977/successful-bipolar-radiofrequency-catheter-ablation-of-premature-ventricular-contractions-originating-from-the-left-ventricular-posterior-papillary-muscle
#3
Takumi Yamada
No abstract text is available yet for this article.
November 6, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30404976/comparison-of-characteristics-and-3-year-outcomes-in-patients-with-acute-heart-failure-with-preserved-mid-range-and-reduced-ejection-fraction
#4
Jun Hwan Cho, Won-Seok Choe, Hyun-Jai Cho, Hae-Young Lee, Jieun Jang, Sang Eun Lee, Jin-Oh Choi, Eun-Seok Jeon, Min-Seok Kim, Kyung-Kuk Hwang, Shung Chull Chae, Sang Hong Baek, Seok-Min Kang, Dong-Ju Choi, Byung-Su Yoo, Kye Hun Kim, Myeong-Chan Cho, Jae-Joong Kim, Byung-Hee Oh
BACKGROUND: The clinical characteristics and outcomes of acute heart failure (AHF) according to left ventricular ejection fraction (LVEF) have not been fully elucidated, especially for patients with mid-range LVEF. We performed a comprehensive comparison of the epidemiology, patterns of in-hospital management, and clinical outcomes in AHF patients with different LVEF categories.Methods and Results:The Korean Acute Heart Failure (KorAHF) registry is a prospective multicenter cohort of hospitalized AHF patients in Korea...
November 6, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30393271/simultaneous-pulmonary-arterial-and-venous-round-structures-in-pulmonary-aspergillosis
#5
Shusuke Yagi, Hiromu Yamazaki, Susumu Nishio, Kenya Kusunose, Hirotsugu Yamada, Masataka Sata
No abstract text is available yet for this article.
November 3, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30393270/preserved-vasoconstriction-and-relaxation-of-saphenous-vein-grafts-obtained-by-a-no-touch-technique-for-coronary-artery-bypass-grafting
#6
Toshiyuki Yamada, Takeshi Adachi, Yasuo Ido, Nobuyuki Masaki, Takumi Toya, Tomoya Uchimuro, Kosaku Nishigawa, Hisao Suda, Motohiko Osako, Masataka Yamazaki, Shuichiro Takanashi, Hideyuki Shimizu
BACKGROUND: To obtain a saphenous vein graft (SVG) for coronary artery bypass grafting (CABG), the benefit of using a no-touch (NT) technique in vascular function has not been fully investigated. Methods and Results: The pathological and physiological functions of human SVGs with a NT technique to preserve the perivascular adipose tissue (PVAT) and ones obtained by using a conventional (CON) technique removing PVAT, were examined. Immunohistochemistry of the section of SVGs showed that the phosphorylation of endothelial nitric oxide synthase in the endothelium of the NT group was more responsive to vascular endothelial growth factor...
November 3, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30393245/atherosclerotic-component-of-the-yellow-segment-after-drug-eluting-stent-implantation-on-coronary-angioscopy-an-ex-vivo-validation-study
#7
Masahiko Shibuya, Kenichi Fujii, Hiroyuki Hao, Takahiro Imanaka, Ten Saita, Rika Kawakami, Kojiro Miki, Hiroto Tamaru, Tetsuo Horimatsu, Akinori Sumiyoshi, Machiko Nishimura, Seiichi Hirota, Tohru Masuyama, Masaharu Ishihara
BACKGROUND: Coronary angioscopy (CAS) is used to comprehensively evaluate vascular responses after drug-eluting stent (DES) implantation. This study sought to evaluate the capability of CAS for evaluating DES strut coverage grade and color grade of the intima compared with histological images in coronary autopsy specimens. Methods and Results: A total of 23 DES extracted from 11 autopsy hearts were imaged by CAS. All stent segments were graded as white or yellow according to the luminal surface color, and thrombus was evaluated according to a previous report...
November 2, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30393244/uric-acid-level-and-new-onset-atrial-fibrillation-in-the-japanese-general-population-longitudinal-study
#8
Shin Kawasoe, Takuro Kubozono, Shiro Yoshifuku, Satoko Ojima, Masaaki Miyata, Hironori Miyahara, Shigeho Maenohara, Mitsuru Ohishi
BACKGROUND: The independent role of uric acid (UA) as a risk factor for atrial fibrillation (AF) has not been fully elucidated. Methods and Results: We studied 111,566 subjects (53,416 men; 58,150 women) who underwent annual health check-ups. We divided them by sex into tertile of baseline UA. To investigate the predictive power of UA for new-onset AF, we performed Cox proportional hazard analysis including UA tertiles, body mass index, creatinine, smoking and drinking status, and presence of hypertension, diabetes, and dyslipidemia...
November 2, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30381701/current-status-time-trends-and-outcomes-of-combination-therapy-with-oral-anticoagulant-and-antiplatelet-drug-in-patients-with-atrial-fibrillation-the-fushimi-af-registry
#9
Nobutoyo Masunaga, Mitsuru Abe, Hisashi Ogawa, Yuya Aono, Syuhei Ikeda, Kosuke Doi, Yoshimori An, Mitsuru Ishii, Moritake Iguchi, Masahiro Esato, Hikari Tsuji, Hiromichi Wada, Koji Hasegawa, Gregory Y H Lip, Masaharu Akao
BACKGROUND: The combination of oral anticoagulant (OAC) and antiplatelet drug (APD) increases the bleeding risk in atrial fibrillation (AF). Non-vitamin K antagonist OAC (NOAC) have been increasingly used since 2011. We investigated current status, time trends and outcomes of AF patients using combination therapy in 2011-2017. Methods and Results: The Fushimi AF Registry is a community-based prospective survey of AF patients in Fushimi-ku, Kyoto, Japan. Of 2,378 patients with OAC at enrollment, 521 (22%) received combination therapy, while 1,857 (78%) received OAC alone...
October 31, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30381700/evaluation-of-need-for-implantable-cardioverter-defibrillator-by-thallium-201-scintigraphy-among-japanese-patients-with-prior-myocardial-infarction
#10
Masato Okada, Kazunori Kashiwase, Akio Hirata, Mayu Nishio, Yasuharu Takeda, Takayoshi Nemoto, Ryohei Amiya, Yasunori Ueda, Yoshiharu Higuchi, Yoshio Yasumura
BACKGROUND: Identifying who among current Japanese patients with prior myocardial infarction (MI) would benefit from an implantable cardioverter-defibrillator (ICD) is imperative. Accordingly, this study seeks to determine whether single-photon emission computed tomography (SPECT) can help identify such patients. Methods and Results: This retrospective study enrolled 60 consecutive patients with prior MI who underwent stress thallium-201 SPECT and ICD implantation from February 2000 to October 2014...
October 31, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30381696/improvement-of-hemodynamic-parameters-in-patients-with-preserved-left-ventricular-systolic-function-by-catheter-ablation-of-atrial-fibrillation-a-prospective-study-using-impedance-cardiography
#11
Yosuke Nakatani, Tamotsu Sakamoto, Yoshiaki Yamaguchi, Yasushi Tsujino, Naoya Kataoka, Kunihiro Nishida, Koichi Mizumaki, Koichiro Kinugawa
BACKGROUND: The effects of catheter ablation for atrial fibrillation (AF) on hemodynamic parameters in patients with preserved left ventricular (LV) systolic function are unclear. Methods and Results: We enrolled 178 patients with AF (paroxysmal, 108; persistent, 70) with preserved LV systolic function who underwent AF ablation. The stroke volume index (SVI) was repeatedly measured using impedance cardiography. Reduced SVI (SVI, <33 mL/m2 ) was observed in 55% of patients before ablation...
October 30, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30381695/harmonization-by-doing-proposal-for-global-clinical-trial-designs-for-endovascular-devices-for-treatment-of-critical-limb-ischemia-the-united-states-food-and-drug-administration-perspective
#12
Kenneth J Cavanaugh, Donna C Buckley, Misti L Malone
No abstract text is available yet for this article.
October 30, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30381694/harmonization-by-doing-proposal-for-global-clinical-trial-designs-for-endovascular-devices-for-treatment-of-critical-limb-ischemia-the-united-states-food-and-drug-administration-perspective-reply
#13
Hiroyoshi Yokoi, Mami Ho, Shin Iwamoto
No abstract text is available yet for this article.
October 30, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30369592/therapeutic-strategy-for-gastrointestinal-bleeding-in-patients-with-left-ventricular-assist-device
#14
Teruhiko Imamura, Koichiro Kinugawa, Nir Uriel
Left ventricular assist device (LVAD) technology has improved the survival of advanced heart failure patients. However, readmission rates following LVAD implantation remain high and are an unsolved matter. Currently, gastrointestinal bleeding is one of the major causes of readmission and has recently been demonstrated to mainly result from increased angiogenesis. In addition to the conventional therapeutic strategies, including a reduction in antiplatelet and anticoagulation therapies and blood products administration, several therapeutic tools have recently been proposed: octreotide, thalidomide, hemodynamic optimization by the ramp test, and fish oil therapy...
October 27, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30369591/impact-of-complete-revascularization-on-long-term-outcomes-after-coronary-artery-bypass-grafting-in-patients-with-left-ventricular-dysfunction
#15
Yangsin Lee, Takayuki Ohno, Yukari Uemura, Akira Osanai, Sumio Miura, Tsuyoshi Taketani, Sachito Fukuda, Minoru Ono, Shinichi Takamoto
BACKGROUND: The long-term outcomes of complete revascularization (CR) in patients with left ventricular (LV) dysfunction undergoing coronary artery bypass grafting (CABG) remain unclear. Methods and Results: We evaluated a consecutive series of 111 patients with LV ejection fraction ≤35% who underwent isolated first-time CABG: 63 underwent CR and 48 underwent incomplete revascularization (IR). At a median follow-up of 10.1 years, the rates of death from any cause, cardiac death, and major adverse cardiac and cerebrovascular events (MACCE) were significantly greater in the IR group...
October 27, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30369590/modified-bicaval-technique-in-orthotopic-heart-transplantation-comparison-with-conventional-bicaval-technique
#16
Hong Rae Kim, Sung-Ho Jung, Jae-Joong Kim, Dong Hyun Yang, Tae-Jin Yun, Jae Won Lee
BACKGROUND: Orthotopic heart transplantation (HT) is the treatment of choice for patients with end-stage heart failure (HF). The bicaval technique was introduced as a safe alternative minimizing modification of atrial geometry. The modification of bicaval anastomosis is suggested to compensate for caliber mismatch and small donor. The present study was performed to compare these 2 techniques in terms of postoperative CT scan and clinical outcomes. Methods and Results: Retrospectively, 158 consecutive patients with end-stage HF underwent orthotopic HT between January 2009 and June 2013 were analyzed...
October 27, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30369546/midterm-clinical-outcomes-of-the-st-jude-medical-epic-porcine-bioprosthesis-in-the-mitral-position
#17
Taro Nakazato, Hiroki Hata, Koichi Toda, Shigeru Miyagawa, Yasushi Yoshikawa, Syunsuke Saito, Keitaro Domae, Takayoshi Ueno, Toru Kuratani, Yoshiki Sawa
BACKGROUND: The aim of this single-center study was to report the midterm clinical outcomes and hemodynamic performance of the St Jude Medical Epic porcine bioprosthesis, a tricomposite glutaraldehyde-preserved porcine bioprosthesis, in mitral position. Methods and Results: Between January 2011 and March 2017, 117 patients (62 men, 55 women; mean age, 66.7±12.8 years) who underwent mitral valve replacement (MVR) with the Epic valve were retrospectively analyzed for early and mid-term morbidity and mortality...
October 25, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30369584/benefit-and-risk-of-minimally-invasive-mitral-valve-repair-for-type-ii-dysfunction-propensity-score-matched-comparison
#18
Naonori Kawamoto, Satsuki Fukushima, Yusuke Shimahara, Takuma Yamasaki, Yorihiko Matsumoto, Kizuku Yamashita, Junjiro Kobayashi, Tomoyuki Fujita
BACKGROUND: Despite the cosmetic benefits of the minimally invasive approach for mitral disease, the clinical benefit and risk are not fully known. We investigated the benefit and risk of minimally invasive mitral valve (MV) repair for type II dysfunction using propensity score-matched analysis. Methods and Results: Since 2001, 602 patients have undergone MV repair for type II dysfunction (464 with conventional median sternotomy and 138 with the minimally invasive approach). One-to-one matched analysis using the estimated propensity score based on 23 factors resulted in 93 well-matched patient pairs...
October 24, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30369563/infective-endocarditis-involving-mitral-annular-calcification-leading-to-abscess-formation-rupture-into-pericardium
#19
Takaya Ozawa, Shoji Kawakami, Manabu Matsumoto, Hatsue Ishibashi-Ueda, Toshiyuki Nagai, Teruo Noguchi, Satoshi Yasuda
No abstract text is available yet for this article.
October 23, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/30369562/non-%C3%AE-blocking-carvedilol-analog-vk-ii-86-prevents-ouabain-induced-cardiotoxicity
#20
Luis A Gonano, Marisa Sepúlveda, Malena Morell, Tamara Toteff, María Florencia Racioppi, Elena Lascano, Jorge Negroni, María Julieta Fernández Ruocco, Emiliano Medei, Gabriel Neiman, Santiago G Miriuka, Thomas G Back, S R Wayne Chen, Alicia Mattiazzi, Martin Vila Petroff
BACKGROUND: It has been shown that carvedilol and its non β-blocking analog, VK-II-86, inhibit spontaneous Ca2+ release from the sarcoplasmic reticulum (SR). The aim of this study is to determine whether carvedilol and VK-II-86 suppress ouabain-induced arrhythmogenic Ca2+ waves and apoptosis in cardiac myocytes. Methods and Results: Rat cardiac myocytes were exposed to toxic doses of ouabain (50 µmol/L). Cell length (contraction) was monitored in electrically stimulated and non-stimulated conditions...
October 23, 2018: Circulation Journal: Official Journal of the Japanese Circulation Society
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