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Journal of Cardiology

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https://www.readbyqxmd.com/read/28087290/inferior-j-waves-in-patients-with-vasospastic-angina-might-be-a-risk-factor-for-ventricular-fibrillation
#1
Tomoko Fumimoto, Takeshi Ueyama, Akihiko Shimizu, Yasuhiro Yoshiga, Makoto Ono, Takayoshi Kato, Hironori Ishiguchi, Takayuki Okamura, Jutaro Yamada, Masafumi Yano
BACKGROUND: There is little information about the relationship between J waves and the occurrence of ventricular fibrillation (VF) in patients with vasospastic angina (VSA). The present study aimed to assess the incidence of J waves and the occurrence of VF in patients with VSA. METHODS: The subjects consisted of 62 patients with VSA diagnosed by acetylcholine provocation tests in our institution from 2002 to 2014. We investigated the VF events, prevalence of J waves, and relationship between the VF events and J waves...
January 10, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28087289/clinical-utility-and-functional-analysis-of-variants-in-atrial-fibrillation-associated-locus-4q25
#2
Yusuke Ebana, Kouichi Ozaki, Lian Liu, Hitoshi Hachiya, Kenzo Hirao, Mitsuaki Isobe, Michiaki Kubo, Toshihiro Tanaka, Tetsushi Furukawa
BACKGROUND: Chromosome 4q25 has been repeatedly identified as atrial fibrillation (AF)-sensitive locus in multiple genome-wide association studies (GWAS) and is considered to hold some clues to AF pathogenesis. We aimed to investigate the clinical utilities in Japanese and to unveil the function of the 4q25 locus in affecting transcription of adjacent genes. METHODS: We conducted AF GWAS in Japanese population (1382 AF cases and 1478 controls) and the replication panel (1666 AF cases and 1229 controls) with detailed clinical information which showed the acceleration of AF onset...
January 10, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28073682/study-design-for-control-of-heart-rate-in-infant-and-child-tachyarrhythmia-with-heart-failure-using-landiolol-heartful-a-prospective-multicenter-uncontrolled-clinical-trial
#3
Naokata Sumitomo, Hitoshi Horigome, Masaru Miura, Hiroshi Ono, Hideaki Ueda, Kiyohiro Takigiku, Jun Yoshimoto, Naoki Ohashi, Tsugutoshi Suzuki, Koichi Sagawa, Hiroya Ushinohama, Kazuhiro Takahashi, Aya Miyazaki, Heima Sakaguchi, Mari Iwamoto, Motoki Takamuro, Chiho Tokunaga, Tetsuji Nagano
BACKGROUND: Persistent tachycardia in pediatric patients after congenital heart surgery further deteriorates their hemodynamic condition, and may become fatal. Therefore, immediate control of the tachycardia is mandatory in these patients. For this purpose, quick-acting, short-acting, titratable intravenous agents are required. However, there are no agents with such characteristics among the drugs approved for control of pediatric arrhythmias in Japan, and thus novel and effective medications for these patients are awaited...
January 7, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28069327/early-ventricular-tachyarrhythmias-after-coronary-artery-bypass-grafting-surgery-is-it-a-real-burden
#4
Elisabeth M J P Mouws, Ameeta Yaksh, Paul Knops, Charles Kik, Eric Boersma, Ad J J C Bogers, Natasja M S de Groot
BACKGROUND: The prevalence of ventricular dysrhythmias (VD) [ventricular premature beats (VPBs), ventricular couplets (Vcouplets), ventricular runs (Vruns)] after coronary artery bypass grafting (CABG) has so far not been examined. The goal of this study is to examine characteristics of VD and whether they precede ventricular tachyarrhythmias (VTA) during a postoperative follow-up period of 5 days using continuous rhythm registrations. In addition, we determined predictive factors of VD/VTA...
January 6, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28043708/emerging-roles-of-sodium-glucose-cotransporter-2-inhibitors-in-cardiology
#5
REVIEW
Atsushi Tanaka, Koichi Node
The ultimate goal of treatment in people with diabetes mellitus is to prevent development of cardiovascular (CV) disease, resulting in prolongation of healthy life expectancy. Although impaired glycemic metabolism has a central role in its pathology, a number of studies have demonstrated that remedy for its imbalance cannot necessarily be accomplished as a therapeutic goal. A comprehensive medical approach against multi-factorial pathologies in diabetes, such as insulin resistance, obesity, hypertension, and dyslipidemia, in addition to diet and exercise therapy should be rather performed in the routine clinical setting...
December 30, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28040396/the-prognostic-impact-of-gender-in-patients-with-acute-heart-failure-an-evaluation-of-the-age-of-female-patients-with-severely-decompensated-acute-heart-failure
#6
Ayaka Nozaki, Akihiro Shirakabe, Noritake Hata, Nobuaki Kobayashi, Hirotake Okazaki, Masato Matsushita, Yusaku Shibata, Suguru Nishigoori, Saori Uchiyama, Yoshiki Kusama, Kuniya Asai, Wataru Shimizu
BACKGROUND: The gender differences in the prognosis of Asian patients with acute heart failure (AHF) remain to be elucidated. METHODS AND RESULTS: One thousand fifty AHF patients were enrolled. The patients were assigned to a female group (n=354) and a male group (n=696). A Kaplan-Meier curve showed that the cardiovascular survival rate of the female group was significantly lower than that of the male group (p=0.005). A multivariate Cox regression model identified female gender [hazard ratio (HR): 1...
December 28, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28034576/comparison-of-angioscopic-findings-among-second-generation-drug-eluting-stents
#7
Yuji Nishimoto, Yasunori Ueda, Ryuta Sugihara, Ayaka Murakami, Keisuke Ueno, Yasuharu Takeda, Akio Hirata, Kazunori Kashiwase, Yoshiharu Higuchi, Yoshio Yasumura
BACKGROUND: First-generation drug-eluting stents (DES) have reduced short-term stent failure as compared to bare-metal stents due to the inhibition of neointima hyperplasia, but instead increased the risk of very-late stent failure. Although better outcomes have been reported for second-generation DES than for first-generation DES, the difference in the angioscopic findings at 1-year follow-up has not been adequately elucidated among second-generation DES. METHODS: Consecutive 161 patients who received angioscopic examination at 1 year after implantation of second-generation DES, i...
December 26, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28034575/complete-right-bundle-branch-block-and-qrs-t-discordance-can-be-the-initial-clue-to-detect-s-icd-ineligibility
#8
Motomi Tachibana, Nobuhiro Nishii, Yoshimasa Morimoto, Satoshi Kawada, Akihito Miyoshi, Hiroyasu Sugiyama, Koji Nakagawa, Atsuyuki Watanabe, Kazufumi Nakamura, Hiroshi Morita, Hiroshi Ito
BACKGROUND: In order to minimize inappropriate shocks of subcutaneous implantable cardioverter-defibrillators (S-ICD), it is important to recognize who is suitable for S-ICD indication. This study aimed to clarify what types of cardiac disease are likely to fulfill the S-ICD screening criteria and ineligible factors for S-ICD in the standard 12-lead electrocardiogram (ECG). METHODS: A total of 348 patients with heart disease were enrolled. They were assessed by supine and standing ECG recording to simulate the 3 S-ICD sensing vectors and standard 12-lead ECG, simultaneously...
December 26, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28027833/usefulness-of-a-healthcare-database-for-epidemiological-research-in-atrial-fibrillation
#9
Yukihiro Koretsune, Takeshi Yamashita, Masahiro Yasaka, Eisei Oda, Daisuke Matsubayashi, Kaori Ota, Masafumi Kobayashi, Yasuyuki Matsushita, Jumpei Kaburagi, Kei Ibusuki, Atsushi Takita, Mikio Iwashita, Takuhiro Yamaguchi
BACKGROUND: Big data are gaining attention as a valuable resource for providing insights into a range of issues and questions in healthcare. We evaluated the capacity of a Japanese healthcare database to conduct epidemiological research in non-valvular atrial fibrillation (NVAF). METHODS AND RESULTS: We examined data collected between April 2008 and September 2013 in a Japanese healthcare database. Prior to the risk factor analysis, we validated the criteria for defining the occurrence of a stroke, systemic embolic event (SEE), and intracranial bleeding event during the study period...
December 24, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28024961/efficacy-and-safety-of-sacubitril-valsartan-lcz696-in-japanese-patients-with-chronic-heart-failure-and-reduced-ejection-fraction-rationale-for-and-design-of-the-randomized-double-blind-parallel-hf-study
#10
Hiroyuki Tsutsui, Shinichi Momomura, Yoshihiko Saito, Hiroshi Ito, Kazuhiro Yamamoto, Tomomi Ohishi, Naoko Okino, Weinong Guo
BACKGROUND: The prognosis of heart failure patients with reduced ejection fraction (HFrEF) in Japan remains poor, although there is growing evidence for increasing use of evidence-based pharmacotherapies in Japanese real-world HF registries. Sacubitril/valsartan (LCZ696) is a first-in-class angiotensin receptor neprilysin inhibitor shown to reduce mortality and morbidity in the recently completed largest outcome trial in patients with HFrEF (PARADIGM-HF trial). The prospectively designed phase III PARALLEL-HF (Prospective comparison of ARNI with ACE inhibitor to determine the noveL beneficiaL trEatment vaLue in Japanese Heart Failure patients) study aims to assess the clinical efficacy and safety of LCZ696 in Japanese HFrEF patients, and show similar improvements in clinical outcomes as the PARADIGM-HF study enabling the registration of LCZ696 in Japan...
December 23, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28017463/monitoring-of-anti-xa-activity-and-factors-related-to-bleeding-events-a-study-in-japanese-patients-with-nonvalvular-atrial-fibrillation-receiving-rivaroxaban
#11
Teruhiro Sakaguchi, Hiroyuki Osanai, Yosuke Murase, Hideki Ishii, Yoshihito Nakashima, Hiroshi Asano, Susumu Suzuki, Mikito Takefuji, Yasuya Inden, Kazuyoshi Sakai, Toyoaki Murohara, Masayoshi Ajioka
BACKGROUND: Anti-Xa activity (AXA) in patients with nonvalvular atrial fibrillation (NVAF) and relationship to bleeding events remains unclear. METHODS: We evaluated AXA in 94 patients at both trough and peak rivaroxaban concentrations. Rivaroxaban dosage was determined according to creatinine clearance (CrCl): 10 and 15mg once daily for patients with CrCl 15-49 and CrCl ≥50mL/min, respectively. AXA value distribution and its association with bleeding events were examined in enrolled subjects...
December 22, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28007413/association-of-zfhx3-gene-variation-with-atrial-fibrillation-cerebral-infarction-and-lung-thromboembolism-an-autopsy-study
#12
Khin Thet Thet Zaw, Noriko Sato, Shinobu Ikeda, Kaung Si Thu, Makiko Naka Mieno, Tomio Arai, Seijiro Mori, Tetsushi Furukawa, Tetsuo Sasano, Motoji Sawabe, Masashi Tanaka, Masaaki Muramatsu
AIM: We aimed to study a single nucleotide polymorphism (SNP), rs2106261, in the transcription factor gene, ZFHX3, in atrial fibrillation (AF) and other related phenotypes by phenome scanning in a Japanese population. METHOD: We retrieved consecutive autopsy data (n=2433, mean age=80 years) from the Japanese SNP database for geriatric diseases (JG-SNP). Clinical data, including an AF diagnosis, were collected from medical charts. Genotyping was performed with the DNA chip method...
December 19, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/28007412/adherence-to-medication-and-characteristics-of-japanese-patients-with-non-valvular-atrial-fibrillation
#13
Tsuyoshi Suzuki, Tsuyoshi Shiga, Hisako Omori, Fujio Tatsumi, Katsuji Nishimura, Nobuhisa Hagiwara
BACKGROUND: Adherence to medication plays an important role in the prevention of morbidity and mortality in non-valvular atrial fibrillation (NVAF) patients. The aim of this study is to assess adherence to medication and risk factors for non-adherence in Japanese NVAF patients who are prescribed anticoagulants. METHODS: A total of 378 outpatients with NVAF who completed self-reported questionnaires were analyzed in this prospective study (mean age 69±12 years; 26% female)...
December 19, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27989502/profiles-of-serum-cytokine-levels-in-takayasu-arteritis-patients-potential-utility-as-biomarkers-for-monitoring-disease-activity
#14
Natsuko Tamura, Yasuhiro Maejima, Daisuke Tezuka, Chisato Takamura, Shunji Yoshikawa, Takashi Ashikaga, Kenzo Hirao, Mitsuaki Isobe
BACKGROUND: Takayasu arteritis (TA) is an autoimmune arteritis of unknown etiology. Currently, the erythrocyte sedimentation rate (ESR) and serum C-reactive protein (CRP) levels are widely used to monitor disease activity of TA. However, sometimes it is difficult to reflect inflammatory symptoms in either CRP or ESR values, especially in TA patients with immunosuppressive therapies. Therefore, higher-accuracy biomarkers for evaluating disease activity need to be explored. METHODS AND RESULTS: We examined 21 Japanese patients diagnosed with TA; 17 TA patients were treated with prednisone with or without additional immunosuppressive therapies and the remaining 4 patients were treated with infliximab, a human monoclonal anti-tumor necrosis factor (TNF)-α antibody...
December 15, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27988075/editor-s-reply
#15
LETTER
Takeshi Morimoto
No abstract text is available yet for this article.
December 14, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27988074/the-acetylcholine-administration-time-plays-the-key-role-for-provoked-spasm-in-the-spasm-provocation-test
#16
Shozo Sueda, Hiroaki Kohno
BACKGROUND: Acetylcholine (ACh) was administered for 3min in the ENCORE study, while the Japanese Circulation Society guidelines recommended the 20s ACh injection as an ACh test. OBJECTIVES: We compared the ischemic findings between ACh administration for 3min and ACh injection for 20s in the same patients and in the same ACh doses without administration of nitrates in the left coronary artery. METHODS: We investigated 30 patients with ischemic heart disease (25 men, 67±10 years, ACh 50μg: 3, ACh 100μg: 9, ACh 200μg: 18) by the above two ACh injection procedures...
December 14, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27986341/incretin-related-drugs-and-cardiovascular-events-a-comparison-of-glp-1-analogue-and-dpp-4-inhibitor
#17
EDITORIAL
Yukihito Higashi
No abstract text is available yet for this article.
December 13, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27979675/temporal-change-of-myocardial-tissue-character-is-associated-with-left-ventricular-reverse-remodeling-in-patients-with-dilated-cardiomyopathy-a-cardiovascular-magnetic-resonance-study
#18
Takeru Nabeta, Takayuki Inomata, Teppei Fujita, Yuichiro Iida, Yuki Ikeda, Takanori Sato, Shunsuke Ishii, Emi Maekawa, Tomohiro Mizutani, Takashi Naruke, Toshimi Koitabashi, Yusuke Inoue, Junya Ako
BACKGROUND: Prognostic significance of temporal change in myocardial tissue characterization by cardiovascular magnetic resonance (CMR) has not been elucidated in patients with non-ischemic dilated cardiomyopathy (DCM). METHODS AND RESULTS: Sixty-eight patients with newly-diagnosed DCM who underwent CMR including late gadolinium enhancement (LGE) both at baseline and during follow-up period were enrolled. LGE score was defined by a signal intensity of ≥5 standard deviations above the remote reference myocardium mean...
December 12, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27979674/a-treatment-strategy-using-subcutaneous-fondaparinux-followed-by-oral-rivaroxaban-is-effective-for-treating-acute-venous-thromboembolism
#19
Takayuki Kabuki, Rine Nakanishi, Shinji Hisatake, Takahiro Fujii, Shintaro Dobashi, Shingo Wakakura, Shunsuke Kiuchi, Tadashi Fujino, Takanori Ikeda
BACKGROUND: The factor Xa inhibitors have been widely used for the treatment and prevention of venous thromboembolism (VTE). However, the efficacy of factor Xa inhibitors in Japanese patients with VTE has not been well examined. In this study, we investigated the effect of the sequential use of two factor Xa inhibitors in patients with acute VTE. METHODS: We conducted an observational study of 87 consecutive patients diagnosed with VTE. As an initial treatment, we administered subcutaneous fondaparinux to the patients for 7-10 days, and then switched to oral rivaroxaban...
December 12, 2016: Journal of Cardiology
https://www.readbyqxmd.com/read/27979673/author-s-reply
#20
LETTER
Miha Antonic
No abstract text is available yet for this article.
December 12, 2016: Journal of Cardiology
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