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Circulation Journal: Official Journal of the Japanese Circulation Society

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https://www.readbyqxmd.com/read/29151454/changes-in-serum-fibroblast-growth-factor-23-in-patients-with-acute-myocardial-infarction
#1
Hideaki Takahashi, Michishige Ozeki, Tomohiro Fujisaka, Hideaki Morita, Shu-Ichi Fujita, Yoshihiro Takeda, Kensaku Shibata, Koichi Sohmiya, Masaaki Hoshiga, Junko Tamaki, Nobukazu Ishizaka
BACKGROUND: Fibroblast growth factor 23 (FGF23) induces cardiac remodeling. We investigated the changes in serum FGF23 levels in patients diagnosed with acute myocardial infarction (AMI).Methods and Results:A total of 44 patients diagnosed with AMI were included in the current study. All patients underwent emergency percutaneous coronary intervention (PCI). The median of peak creatine kinase (CK) and CKMB values was 1,816 U/L and 159 U/L, respectively. Serum levels of FGF23, calcium, and inorganic phosphate (iP) were measured before PCI, and on days 1, 3, 5, 7 after PCI...
November 18, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29151453/diastolic-dysfunction-is-a-risk-of-perioperative-myocardial-injury-assessed-by-high-sensitivity-cardiac-troponin-t-in-elderly-patients-undergoing-non-cardiac-surgery
#2
Hironobu Toda, Kazufumi Nakamura, Koji Nakagawa, Atsuyuki Watanabe, Toru Miyoshi, Nobuhiro Nishii, Kazuyoshi Shimizu, Masao Hayashi, Hiroshi Morita, Hiroshi Morimatsu, Hiroshi Ito
BACKGROUND: High-sensitivity cardiac troponin T (hs-cTnT) is useful for detecting myocardial injury and is expected to become a prognostic marker in patients undergoing non-cardiac surgery. The aim of this pilot study evaluating the efficacy of β-blocker therapy in a perioperative setting (MAMACARI study) was to assess perioperative myocardial injury (PMI) in elderly patients with preserved ejection fraction (EF) undergoing non-cardiac surgery.Methods and Results:In this prospective observational cohort study of 151 consecutive patients with preserved EF and aged >60 years who underwent non-cardiac surgery, serum levels of hs-cTnT were measured before and on postoperative days 1 and 3 after surgery...
November 18, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29142157/intracoronary-acetylcholine-provocation-test-via-coronary-bypass-graft
#3
Yuichi Saito, Yoshio Kobayashi
No abstract text is available yet for this article.
November 14, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29142156/outcomes-of-rate-control-treatment-in-patients-with-atrial-fibrillation-and-heart-failure%C3%A3-a-nationwide-cohort-study
#4
Hee Tae Yu, Pil-Sung Yang, Hancheol Lee, Seng Chan You, Tae-Hoon Kim, Jae-Sun Uhm, Jong-Youn Kim, Hui-Nam Pak, Moon-Hyoung Lee, Boyoung Joung
BACKGROUND: Rate control is now a front-line therapy in the management of atrial fibrillation (AF). However, the survival benefits of different rate-control medications remain controversial, so we assessed the efficacy of rate-control medications in AF patients with concomitant heart failure (HF).Methods and Results:From January 2002 to December 2008, a total of 7,034 AF patients with a single type of rate-control drug or without rate-control treatment were enrolled from the Korea National Health Insurance Service database...
November 14, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29129879/transcatheter-aortic-valve-implantation-for-degenerated-19-mm-aortic-bioprosthetic-valve
#5
Kizuku Yamashita, Tomoyuki Fujita, Satsuki Fukushima, Yusuke Shimahara, Yuta Kume, Yorihiko Matsumoto, Naonori Kawamoto, Tatsuro Hitsumoto, Nobuyasu Ito, Yasuhiro Hamatani, Atsushi Okada, Hiroyuki Takahama, Makoto Amaki, Takuya Hasegawa, Yasuo Sugano, Hideaki Kanzaki, Toshihisa Anzai, Satoshi Yasuda, Junjiro Kobayashi
BACKGROUND: The valve-in-valve procedure, in which a transcatheter heart valve (THV) is implanted over a prosthetic valve, has been shown to be safe and therapeutically effective, depending on the size of the replacement valve.Methods and Results:We report 3 cases of successful valve-in-valve procedure to replace a degenerated 19-mm stented prosthetic aortic valve. Balloon-expanding THVs were implanted: 20-mm in the 1st case and 23-mm in the next 2. Aortic stenosis was almost completely resolved in all patients, who recovered promptly and without cardiac adverse events...
November 11, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29129875/prediction-models%C3%A3-why-are-they-used-or-not-used
#6
Fumiaki Nakamura, Michikazu Nakai
No abstract text is available yet for this article.
November 10, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29118305/association-of-age-at-menarche-with-left-ventricular-diastolic-dysfunction-in-middle-aged-women
#7
Seungho Ryu, Yoosoo Chang, Jeong Gyu Kang, Jidong Sung, Jang-Young Kim, Hyun-Suk Jung, Kyung Eun Yun, Chan-Won Kim, Juhee Cho, Min-Jung Kwon, Kye-Hyun Kim, Hocheol Shin, Ki-Chul Sung
BACKGROUND: There is sparse research on whether if early menarche is related to left ventricular (LV) diastolic dysfunction. The present study examined this relationship in Korean women.Methods and Results:In a cross-sectional study we analyzed the records of 18,910 Korean women (≥30 years) who underwent echocardiography as part of a comprehensive health examination. Age at menarche was assessed using standardized, self-administered questionnaires. Presence of LV diastolic dysfunction was determined from the echocardiographic findings...
November 9, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29109333/mitochondrial-dysfunction-and-left-ventricular-structural-remodeling-after-acute-myocardial-infarction%C3%A3-usefulness-of-leukocyte-mitochondrial-copy-number
#8
Ryuji Tsuburaya
No abstract text is available yet for this article.
November 3, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29093433/cardiac-sodium-channel-disease-modeling-using-patient-derived-induced-pluripotent-stem-cells
#9
Shin Kadota, Naoko Shiba, Yuji Shiba
No abstract text is available yet for this article.
November 2, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29093432/european-society-of-cardiology-esc-annual-congress-report-from-barcelona-2017
#10
Kimio Satoh, Jun Takahashi, Yasuharu Matsumoto, Shunsuke Tatebe, Tatsuo Aoki, Yoku Kikuchi, Kiyotaka Hao, Kazuma Ohyama, Masamichi Nogi, Akira Suda, Shintaro Kasahara, Koichi Sato, Sadamitsu Ichijo, Hiroaki Shimokawa
From August 26th to 30th, the 2017 Annual Congress of the European Society of Cardiology (ESC 2017) was held in Barcelona, Spain. Despite the terrorism tradegy just before the ESC congress, the congress attracted many medical professionals from all over the world to discuss the recent topics in cardiovascular medicine in more than 500 sessions, including COMPASS (Cardiovascular OutcoMes for People using Anticoagulation StrategieS Trial), CANTOS (Canakinumab Anti-Inflammatory Thrombosis Outcomes Study), and ORION (which assessed the effect of a novel siRNA inhibitor to PCSK9 on reductions in low-density lipoprotein cholesterol)...
November 2, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29093431/increased-prognostic-value-of-query-amyloid-late-enhancement-score-in-light-chain-cardiac-amyloidosis
#11
Ke Wan, Jiayu Sun, Yuchi Han, Hong Liu, Dan Yang, Weihao Li, Jie Wang, Wei Cheng, Qing Zhang, Zhi Zeng, Yucheng Chen
BACKGROUND: Late gadolinium enhancement (LGE) pattern is a powerful imaging biomarker for prognosis of cardiac amyloidosis. It is unknown if the query amyloid late enhancement (QALE) score in light-chain (AL) amyloidosis could provide increased prognostic value compared with LGE pattern.Methods and Results:Seventy-eight consecutive patients with AL amyloidosis underwent contrast-enhanced cardiovascular magnetic resonance imaging. Patients with cardiac involvement were grouped by LGE pattern and analyzed using QALE score...
November 2, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29093429/echocardiographic-assessment-of-cardiac-structural-and-functional-abnormalities-in-patients-with-end-stage-renal-disease-receiving-chronic-hemodialysis
#12
Hiroshi Matsuo, Kaoru Dohi, Hirofumi Machida, Hideyuki Takeuchi, Toshikazu Aoki, Hiroyuki Nishimura, Masashi Yasutomi, Michiharu Senga, Takehiko Ichikawa, Kentaro Kakuta, Yasuhide Mizutani, Akiko Tanoue, Naoki Isaka, Kazuki Oosugi, Sukenari Koyabu, Masato Sakurai, Yoshihisa Fukui, Hitoshi Kakimoto, Tadafumi Sugimoto, Takahiro Ohnishi, Tomohiro Murata, Eiji Ishikawa, Ryuji Okamoto, Tomomi Yamada, Toru Ogura, Yuki Nishimura, Takashi Tanigawa, Shinsuke Nomura, Masakatsu Nishikawa, Masaaki Ito
BACKGROUND: The aim of this study was to assess the echocardiographic characteristics of chronic hemodialysis (HD) patients with end-stage renal disease (ESRD) in a multicenter prospective cohort study.Methods and Results:Three hundred and fifteen patients with ESRD (67.9±10.6 years, 47.6% male) on chronic HD for ≥1 year were examined on transthoracic echocardiography, including Doppler-derived aortic valve area (AVA) measurement. Only 11.5% and 3.4% of all patients had normal left ventricular (LV) geometry and normal LV filling pattern, respectively...
October 31, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29081444/ca-2-calmodulin-dependent-protein-kinase-ii-%C3%AE-dependent-serine727-phosphorylation-is-required-for-tmem16a-ca-2-activated-cl-channel-regulation-in-cerebrovascular-cells
#13
Cai-Xia Lin, Xiao-Fei Lv, Feng Yuan, Xiang-Yu Li, Ming-Ming Ma, Can-Zhao Liu, Jia-Guo Zhou, Guan-Lei Wang, Yong-Yuan Guan
BACKGROUND: TMEM16A is a critical component of Ca(2+)-activated chloride channels (CaCCs) and mediates basilar arterial smooth muscle cell (BASMC) proliferation in hypertensive cerebrovascular remodeling. CaMKII is a negative regulator of CaCC, and four CaMKII isoforms (α, β, γ and δ) are expressed in vasculature; however, it is unknown which and how CaMKII isoforms affect TMEM16A-associated CaCC and BASMC proliferation.Methods and Results:Patch clamp and small interfering RNA (siRNA) knockdown of different CaMKII isoforms revealed that only CaMKIIγ inhibited native Ca(2+)-activated chloride currents (ICl...
October 28, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29081474/cardiovascular-and-bleeding-risks-in-acute-myocardial-infarction-newly-treated-with-ticagrelor-vs-clopidogrel-in-taiwan
#14
Cheng-Han Lee, Ching-Lan Cheng, Yea-Huei Kao Yang, Ting-Hsing Chao, Ju-Yi Chen, Yi-Heng Li
BACKGROUND: There are few data on ticagrelor in Asian patients. This study evaluated clinical outcomes with ticagrelor and clopidogrel in Taiwanese patients with acute myocardial infarction (AMI).Methods and Results:We used the Taiwan National Health Insurance Research Database to identify 27,339 AMI patients aged ≥18 years between January 2012 and December 2014, and only patients who survived greater than or equal to 30 days after AMI and took dual antiplatelet therapy were included...
October 27, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29081473/acute-heart-failure-in-patients-with-severe-aortic-stenosis%C3%A3-insights-from-the-current-as-registry
#15
Kazuya Nagao, Tomohiko Taniguchi, Takeshi Morimoto, Hiroki Shiomi, Kenji Ando, Norio Kanamori, Koichiro Murata, Takeshi Kitai, Yuichi Kawase, Chisato Izumi, Makoto Miyake, Hirokazu Mitsuoka, Masashi Kato, Yutaka Hirano, Shintaro Matsuda, Tsukasa Inada, Tomoyuki Murakami, Yasuyo Takeuchi, Keiichiro Yamane, Mamoru Toyofuku, Mitsuru Ishii, Eri Minamino-Muta, Takao Kato, Moriaki Inoko, Tomoyuki Ikeda, Akihiro Komasa, Katsuhisa Ishii, Kozo Hotta, Nobuya Higashitani, Yoshihiro Kato, Yasutaka Inuzuka, Chiyo Maeda, Toshikazu Jinnai, Yuko Morikami, Naritatsu Saito, Kenji Minatoya, Takeshi Kimura
BACKGROUND: Clinical profiles of acute heart failure (AHF) complicating severe aortic stenosis (AS) remain unclear.Methods and Results:From a Japanese multicenter registry enrolling consecutive patients with severe AS, 3,813 patients were categorized into the 3 groups according to the symptom of heart failure (HF); No HF (n=2,210), chronic HF (CHF) (n=813) and AHF defined as hospitalized HF at enrolment (n=790). Median follow-up was 1,123 days with 93% follow-up rate at 2 years. Risk factors for developing AHF included age, female sex, lower body mass index, untreated coronary artery stenosis, anemia, history of HF, left ventricular ejection fraction <50%, presence of any combined valvular disease, peak aortic jet velocity ≥5 m/s and tricuspid regurgitation pressure gradient ≥40 mmHg, and negative risk factors included dyslipidemia, history of percutaneous coronary intervention and hemodialysis...
October 27, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29081472/early-prediction-model-for-successful-bridge-to-recovery-in-patients-with-fulminant-myocarditis-supported-with-percutaneous-venoarterial-extracorporeal-membrane-oxygenation%C3%A3-insights-from-the-change-pump-study
#16
Akinori Sawamura, Takahiro Okumura, Akihiro Hirakawa, Masaaki Ito, Yukio Ozaki, Nobuyuki Ohte, Tetsuya Amano, Toyoaki Murohara
BACKGROUND: Cardiac recovery and prevention of end-organ damage are the cornerstones of establishing successful bridge to recovery (BTR) in patients with fulminant myocarditis (FM) supported with percutaneous venoarterial extracorporeal membrane oxygenation (VA-ECMO). However, the timing and method of successful BTR prediction still remain unclear. We aimed to develop a prediction model for successful BTR in patients with FM supported with percutaneous VA-ECMO.Methods and Results:This was a retrospective multicenter chart review enrolling 99 patients (52±16 years; female, 42%) with FM treated with percutaneous VA-ECMO...
October 27, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29070745/incidence-characteristics-and-management-of-venous-thromboembolism-in-japan-during-2011
#17
Satoshi Ota, Akimasa Matsuda, Yoshito Ogihara, Norikazu Yamada, Mashio Nakamura, Takuya Mori, Masayuki Hamada, Takao Kobayashi, Masaaki Ito
BACKGROUND: This study aimed to determine the incidence, characteristics and management of venous thromboembolism (VTE) in Japan during 2011.Methods and Results:A retrospective study assessed responses to a questionnaire regarding treating newly diagnosed VTE at all admitting hospitals throughout Japan during 2011. More individuals were diagnosed with VTE than ever before, with 16,096 cases of diagnosed pulmonary embolism (PE) and 24,538 cases of diagnosed deep vein thrombosis (DVT)...
October 25, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29070758/metabolic-considerations-in-atrial-fibrillation%C3%A3-mechanistic-insights-and-therapeutic-opportunities
#18
Masahide Harada, Jonathan Melka, Yoshihiro Sobue, Stanley Nattel
Atrial fibrillation (AF) is the most common sustained arrhythmia in clinical practice and is associated with morbidity and mortality. Over the past 2 decades, there have been major advances in understanding AF pathophysiology, but important knowledge gaps, particularly about targetable basic mechanisms, remain. Recent metabolomic and proteomic studies have shown changes in the expression of molecules involved in metabolic pathways in human and experimental AF, indicating a role for metabolic alterations in AF pathophysiology...
October 24, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29070757/mitral-valve-systolic-anterior-motion-associated-sounds-in-hypertrophic-cardiomyopathy
#19
Chieko Sakai, Tatsuya Kawasaki, Michiyo Yamano, Hirokazu Shiraishi, Tadaaki Kamitani, Satoaki Matoba
No abstract text is available yet for this article.
October 24, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/29057766/clinical-results-adverse-events-and-change-in-end-organ-function-in-elderly-patients-with-heartmateii-left-ventricular-assist-device%C3%A3-japanese-multicenter-study
#20
Daisuke Yoshioka, Koichi Toda, Minoru Ono, Takeshi Nakatani, Akira Shiose, Yoshiro Matsui, Kenji Yamazaki, Yoshikatsu Saiki, Akihiko Usui, Hiroshi Niinami, Goro Matsumiya, Hirokuni Arai, Yoshiki Sawa
BACKGROUND: Advanced age has an adverse impact on clinical results in left ventricular assist device (LVAD) patients. We compared the clinical results of patients aged >60 years with younger patients using a national Japanese database.Methods and Results:Between April 2013 and December 2016, 300 patients underwent HeartMateII implantation. Of these, 37 patients were ≥60 years at LVAD implantation, and the clinical results of these patients were compared with the other younger 263 patients...
October 21, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
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