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Journal of Cardiology

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https://www.readbyqxmd.com/read/28546017/delayed-left-atrial-appendage-contrast-filling-in-computed-tomograms-after-percutaneous-left-atrial-appendage-occlusion
#1
Yeong-Min Lim, Jung-Sun Kim, Tae-Hoon Kim, Jae-Sun Uhm, Chi Young Shim, Boyoung Joung, Geu-Ru Hong, Moon-Hyoung Lee, Yang-Soo Jang, Hui-Nam Pak
BACKGROUND: The gold standard for the follow-up of left atrial appendage occlusion (LAAO) is performing transesophageal echocardiogram (TEE) at 45 days after LAAO; however, the duration for complete LAA seal-off after percutaneous LAAO is unknown in humans. We retrospectively evaluated the LAA contrast-filling (CF) rate in follow-up cardiac computed tomography (CT) scans after LAAO. METHODS: We included 35 patients (age 67.5±10.9 years, CHA2DS2VASc 4.2±1.6, HAS-BLED 3...
May 22, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28546016/timing-on-echocardiography-and-blood-laboratory-test-is-important-for-future-outcome-association-in-hospitalized-heart-failure-patients
#2
Li-Tan Yang, Yuichiro Kado, Yasufumi Nagata, Kyoko Otani, Yutaka Otsuji, Masaaki Takeuchi
BACKGROUND: We investigated whether both echocardiography and blood examination parameters obtained before discharge are more closely associated with adverse events than those obtained upon admission in hospitalized heart failure (HF) patients. METHODS: We retrospectively selected 267 hospitalized HF patients who underwent comprehensive transthoracic echocardiography (TTE) within 2 days of admission (n=223) and/or within 7 days of discharge (n=157). Blood test results were also collected at the same time window...
May 22, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28536015/two-year-vascular-responses-to-drug-eluting-stents-with-biodegradable-polymer-versus-durable-polymer-an-optical-coherence-tomography-sub-study-of-the-next
#3
Yosuke Katayama, Takashi Kubo, Takashi Akasaka, Yasushi Ino, Kazuo Kimura, Hiroyuki Okura, Toshiro Shinke, Keiichi Igarashi, Kazushige Kadota, Ken Kozuma, Kengo Tanabe, Yoshihisa Nakagawa, Toshiya Muramatsu, Yoshihiro Morino, Takeshi Kimura
BACKGROUND: This study aimed to compare very late vascular response after stent implantation between everolimus-eluting stent (EES) with a thin, non-adhesive, durable, biocompatible fluorinated polymer and biolimus-eluting stent (BES) with a biodegradable polymer by optical coherence tomography (OCT). METHODS AND RESULTS: In the NOBORI-BES Versus XIENCE V/PROMUS-EES Trial (NEXT), a formal OCT substudy investigated 48 patients (27 EES-treated lesions in 23 patients and 28 BES-treated lesions in 25 patients) with 2-year (18-30 months) follow-up imaging at 18 centers...
May 20, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28528994/clinical-significance-of-the-overshoot-phenomena-of-respiratory-gas-indices-during-recovery-from-maximal-exercise-testing
#4
Yuta Takayanagi, Akira Koike, Osamu Nagayama, Arisa Nagamine, Rujie Qin, Jo Kato, Isao Nishi, Tomoko Himi, Yuko Kato, Akira Sato, Takeshi Yamashita, Kazutaka Aonuma
BACKGROUND: Overshoot phenomena of the gas exchange ratio (R:VCO2/VO2), ventilatory equivalent for O2 (VE/VO2), and end-tidal O2 pressure (PETO2) are commonly observed during recovery from maximal cardiopulmonary exercise testing (CPX). We investigated the clinical significance of the overshoots of these indices by comparing their magnitudes between healthy subjects and cardiac patients with left ventricular dysfunction. METHODS: In total, 121 subjects (73 healthy subjects and 48 cardiac patients with left ventricular ejection fraction<40%) who underwent CPX and achieved peak R≥1...
May 18, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28527865/mechanism-of-atrial-functional-mitral-regurgitation-in-patients-with-atrial-fibrillation-a-study-using-three-dimensional-transesophageal-echocardiography
#5
Kazato Ito, Yukio Abe, Yosuke Takahashi, Yoshihisa Shimada, Hitoshi Fukumoto, Yoshiki Matsumura, Takahiko Naruko, Toshihiko Shibata, Minoru Yoshiyama, Junichi Yoshikawa
BACKGROUND: Functional mitral regurgitation (MR) can occur in patients with atrial fibrillation (AF) despite having preserved left ventricular (LV) systolic function. This MR is known as atrial functional MR. The aim of this study was to clarify the mechanism of atrial functional MR using real-time three-dimensional transesophageal echocardiography (3DTEE). METHODS: Sixty patients underwent transthoracic echocardiography and 3DTEE: 16 patients with AF and significant non-organic MR and preserved LV ejection fraction (>50%) constituted the AF-MR group, 20 patients with AF and no significant MR formed the AF-NSMR group, and 24 normal subjects comprised the control group...
May 17, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28522138/impact-of-myocardial-bridging-on-in-hospital-outcome-in-patients-with-takotsubo-syndrome
#6
Ken Kato, Hideki Kitahara, Yuichi Saito, Yoshihide Fujimoto, Yoshiaki Sakai, Iwao Ishibashi, Toshiharu Himi, Yoshio Kobayashi
BACKGROUND: Prevalence of myocardial bridging of the left anterior descending coronary artery (LAD) in patients with takotsubo syndrome (TTS) has been demonstrated. However, the impact of myocardial bridging on in-hospital outcome has not been fully evaluated. METHODS: A total of 144 consecutive patients with TTS were enrolled. Coronary angiography and left ventriculography were performed in all patients and absence of obstructive coronary disease explaining the left ventricular contraction abnormality was confirmed...
May 15, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28522137/significance-of-change-in-serum-bilirubin-in-predicting-left-ventricular-reverse-remodeling-and-outcomes-in-heart-failure-patients-with-cardiac-resynchronization-therapy
#7
Junya Hosoda, Toshiyuki Ishikawa, Katsumi Matsumoto, Kohei Iguchi, Hirooki Matsushita, Yutaka Ogino, Yuka Taguchi, Teruyasu Sugano, Tomoaki Ishigami, Kazuo Kimura, Kouichi Tamura
BACKGROUND: Research on the correlation of serum bilirubin level with cardiac function as well as outcomes in heart failure patients with cardiac resynchronization therapy (CRT) has not yet been reported. The aim of this study was to analyze the relationship between change in serum bilirubin level and left ventricular reverse remodeling, and also to clarify the impact of bilirubin change on clinical outcomes in CRT patients. METHODS: We evaluated 105 consecutive patients who underwent CRT...
May 15, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28522136/impact-of-red-blood-cell-distribution-width-on-non-cardiac-mortality-in-patients-with-acute-decompensated-heart-failure-with-preserved-ejection-fraction
#8
Ryo Imai, Yusuke Uemura, Takahiro Okumura, Kenji Takemoto, Tomohiro Uchikawa, Masayoshi Koyasu, Shinji Ishikawa, Satoshi Iwamiya, Yuta Ozaki, Rei Shibata, Masato Watarai, Toyoaki Murohara
BACKGROUND: The prognostic impact of red blood cell distribution width (RDW) on adverse outcomes in patients with heart failure with preserved ejection fraction (HFpEF) is unclear. We investigated the association between RDW values at admission and long-term prognosis in patients with acute decompensated HFpEF. METHODS: The present study enrolled 278 consecutive patients with acute decompensated HFpEF, whose RDW levels were measured at admission. We divided enrolled patients into 2 groups according to RDW value and investigated the association between RDW and patients' mortality...
May 15, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28511801/intergenerational-differences-in-the-effects-of-transcatheter-closure-of-atrial-septal-defects-on-cardiac-function
#9
Hideki Tashiro, Kenji Suda, Motofumi Iemura, Youzou Teramachi
BACKGROUND: Little is known regarding intergenerational differences in the effects of atrial sepal defect (ASD) closure on the left heart. We therefore analyzed age-related serial changes in the left heart following ASD closure. METHODS: We studied 50 patients with an isolated ASD who underwent successful transcatheter closure using Amplatzer septal occluders (St. Jude Medical, Little Canada, MN, USA) between June 2007 and June 2013. Patients were divided into three age groups: young patients aged ≤17 years; middle-aged patients aged 18-50 years; and older patients aged >50 years...
May 13, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28506640/diagnostic-accuracy-of-the-embolic-risk-french-calculator-for-symptomatic-embolism-with-infective-endocarditis-among-japanese-population
#10
Yusuke Takahashi, Chisato Izumi, Makoto Miyake, Miyako Imanaka, Maiko Kuroda, Shunsuke Nishimura, Yusuke Yoshikawa, Masashi Amano, Sari Imamura, Naoaki Onishi, Yodo Tamaki, Soichiro Enomoto, Toshihiro Tamura, Hirokazu Kondo, Kazuaki Kaitani, Kazuo Yamanaka, Yoshihisa Nakagawa
BACKGROUND: Recently, the Embolic Risk French Calculator (ER-Calculator) was designed to predict symptomatic embolism (SE) associated with infective endocarditis (IE), but external validation has not been reported. This study aimed to determine predictors of SE and the diagnostic accuracy of the ER-Calculator in left-sided active IE among a Japanese population. METHODS: This retrospective cohort study included 166 consecutive patients with a definite diagnosis of left-sided IE from 1994 to 2015 in our institution...
May 12, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28506639/increased-c-reactive-protein-plasma-levels-are-not-involved-in-the-onset-of-post-operative-atrial-fibrillation
#11
Andrea Del Campo, Juan Roldán, Hugo E Verdejo, Ricardo Zalaquett, Elia Becerra, Mario Navarro-Marquez, Rosemarie Mellado, Sergio Lavandero, Ramón Corbalán, Lorena García, Mario Chiong
BACKGROUND: Increased inflammation biomarkers plasma levels, including C-reactive protein (CRP), have been associated with the initiation and perpetuation of atrial fibrillation (AF). However, it is not known whether an increased CRP plasma level, without concomitant inflammation, is sufficient to induce AF. We investigated whether higher CRP plasma levels, determined by the presence of +219G>A CRP gene polymorphism, is associated with an increased risk of post-operative AF. METHODS: One hundred and fifteen adult patients submitted to elective coronary surgery were genotyped for the CRP +219G>A polymorphism...
May 12, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28504113/prognosis-of-spontaneous-coronary-artery-dissection-treated-by-percutaneous-coronary-intervention-with-optical-coherence-tomography
#12
Tsuyoshi Nishiguchi, Atsushi Tanaka, Akira Taruya, Yuichi Ozaki, Mai Nakai, Ikuko Teraguchi, Shingo Ota, Akio Kuroi, Takeyoshi Kameyama, Takashi Yamano, Tomoyuki Yamaguchi, Yoshiki Matsuo, Yasushi Ino, Takashi Kubo, Takeshi Hozumi, Takashi Akasaka
BACKGROUND: Although about half of patients with spontaneous coronary artery dissection (SCAD) face ongoing necrosis, conservative therapy is recommended due to a high complication rate in angiography-guided percutaneous coronary intervention (PCI). The aim of this study was to investigate clinical outcomes of SCAD treated by optical coherence tomography (OCT)-guided PCI. METHODS: This study consisted of consecutive 306 patients with acute coronary syndrome (ACS) who underwent OCT-guided PCI...
May 11, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28501269/peak-enhancement-ratio-of-myocardium-to-aorta-for-identification-of-myocardial-ischemia-using-dynamic-myocardial-computed-tomography-perfusion-imaging
#13
Yuki Tanabe, Teruhito Kido, Akira Kurata, Takahiro Yokoi, Naoki Fukuyama, Teruyoshi Uetani, Hikaru Nishiyama, Naoto Kawaguchi, Enver Tahir, Masao Miyagawa, Teruhito Mochizuki
BACKGROUND: This study aimed to evaluate the feasibility of peak enhancement (PE) ratio of myocardium to aorta (PER) derived from stress dynamic computed tomography myocardial perfusion imaging (CTP) for the detection of myocardial ischemia assessed by magnetic resonance (MR) imaging. METHODS: Forty-four patients who underwent stress dynamic CTP and MR imaging were retrospectively evaluated. From the time-attenuation curve, myocardial PE, PER, and myocardial blood flow (MBF) were calculated on a segment-based analysis...
May 10, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28476635/the-fate-of-incomplete-scaffold-apposition-of-everolimus-eluting-bioresorble-scaffolds-a-serial-optical-coherence-tomography-analysis
#14
Takao Sato, Ralph Tölg, Mohamed El-Mawardy, Dmitriy S Sulimov, Gert Richardt, Mohamed Abdel-Wahab
BACKGROUND: Incomplete stent apposition (ISA) can be divided into acute and late forms. Late ISA may be due to persistent ISA or late-acquired ISA (LAISA). This study evaluated the natural course of ISA after bioresorbable vascular scaffold (BRS) implantation using optical coherence tomography (OCT). METHODS: Thirty-two patients (45 BRS) were assessed immediately after BRS implantation and 1 year thereafter using OCT. Acute ISA identified after BRS implantation but absent at follow-up was defined as resolved; otherwise, it was considered persistent...
May 2, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28454777/identification-of-causative-organism-in-cardiac-implantable-electronic-device-infections
#15
Masato Fukunaga, Masahiko Goya, Michio Nagashima, Kenichi Hiroshima, Takashi Yamada, Yoshimori An, Kentaro Hayashi, Yu Makihara, Masatsugu Ohe, Kei Ichihashi, Morimasa Ohtsuka, Hiroaki Miyazaki, Kenji Ando
BACKGROUND: The causative organism in cardiovascular implantable electronic device (CIED) infection is usually diagnosed with the cultures from blood, removed leads, and/or infected pocket material. The cultured organism, however, is sometimes different among these samples. METHODS: Two hundred sixty patients with CIED infection, who underwent lead extraction between April 2005 and December 2014, were analyzed. More than two blood culture sets, all the extracted leads, and swab culture of the pocket were sent to the laboratory for culture...
April 25, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28438369/independent-prognostic-importance-of-respiratory-instability-and-sympathetic-nerve-activity-in-patients-with-chronic-heart-failure
#16
Hidetsugu Asanoi, Daisuke Harada, Yoshitaka Oda, Hiroshi Ueno, Junya Takagawa, Hisanari Ishise, Yukiko Goso, Shuji Joho, Hiroshi Inoue
BACKGROUND: Respiratory instability in chronic heart failure (CHF) is characterized by irregularly rapid respiration or non-periodic breathing rather than by Cheyne-Stokes respiration. We developed a new quantitative measure of respiratory instability (RSI) and examined its independent prognostic impact upon CHF. METHODS: In 87 patients with stable CHF, respiratory flow and muscle sympathetic nerve activity (MSNA) were simultaneously recorded. RSI was calculated from the frequency distribution of respiratory spectral components and very low frequency components...
April 21, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28434707/in-hospital-complications-after-implantation-of-cardiac-implantable-electronic-devices-analysis-of-a-national-inpatient-database-in-japan
#17
Sandeep Shakya, Hiroki Matsui, Kiyohide Fushimi, Hideo Yasunaga
BACKGROUND: Complications after implantation of cardiac implantable electronic devices (CIEDs), including permanent pacemakers (PMs) and other CIEDs, are associated with increased patient mortality and healthcare costs. This study aimed to investigate overall complications after implantation of CIEDs, analyze the associated risk factors, and compare complications after PM implantation between hospitals that performed only PM implantations (PM-only hospitals) and hospitals that implanted other CIEDs, as well as PMs (all-CIED hospitals)...
April 20, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28427868/potential-palliative-care-quality-indicators-in-heart-disease-patients-a-review-of-the-literature
#18
REVIEW
Atsushi Mizuno, Mitsunori Miyashita, Akitoshi Hayashi, Fujimi Kawai, Koichiro Niwa, Akemi Utsunomiya, Shun Kohsaka, Takashi Kohno, Takeshi Yamamoto, Morimasa Takayama, Toshihisa Anzai
In spite of the increasing interest in palliative care for heart disease, data on the detailed methods of palliative care and its efficacy specifically in heart disease are still lacking. A structured PubMed literature review revealed no quality indicators of palliative care in heart disease. Therefore, we performed a narrative overview of the potential quality indicators in heart disease by reviewing previous literature concerning quality indicators in cancer patients. We summarize seven potential categories of quality indicators in heart disease: (1) presence and availability of a palliative care unit, palliative care team, and outpatient palliative care; (2) human resources such as number of skilled staff; (3) infrastructure; (4) presence and frequency of documentation or family survey; (5) patient-reported outcome measure (PROM) data and disease-specific patient quality of life such as The Kansas City Cardiomyopathy Questionnaire (KCCQ); (6) questionnaires and interviews about the quality of palliative care after death, including bereaved family surveys; and (7) admission-related outcomes such as place of death and intensive care unit length of stay...
April 17, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28427867/outcomes-from-anomalous-origin-of-the-left-coronary-artery-from-the-pulmonary-artery-repair-long-term-complications-in-relation-to-residual-myocardial-abnormalities
#19
Miki Kanoh, Kei Inai, Tokuko Shinohara, Hirofumi Tomimatsu, Toshio Nakanishi
BACKGROUND: Anomalous origin of the left coronary artery from the pulmonary artery (ALCAPA) is a rare congenital coronary artery irregularity. This study aimed to clarify the long-term postoperative outcomes in ALCAPA patients, and to compare the infantile and adult types. METHODS: We retrospectively analyzed the clinical data from 33 patients with ALCAPA who underwent surgical repairs after 1980. The patients were grouped based on whether presentation occurred before (infantile type: n=14) or after (adult type: n=19) 1 year of age...
April 17, 2017: Journal of Cardiology
https://www.readbyqxmd.com/read/28416323/review-of-coronary-subclavian-steal-syndrome
#20
REVIEW
Bennett Cua, Natasha Mamdani, David Halpin, Sunny Jhamnani, Sasanka Jayasuriya, Carlos Mena-Hurtado
The clinical benefits of using the left internal mammary artery (LIMA) to bypass the left anterior descending artery are well established making it the most frequently used conduit for coronary artery bypass surgery (CABG). Coronary subclavian steal syndrome (CSSS) occurs during left arm exertion when (1) the LIMA is used during bypass surgery and (2) there is a high grade (≥75%) left subclavian artery stenosis or occlusion proximal to the ostia of the LIMA resulting in "stealing" of the myocardial blood supply via retrograde flow up the LIMA graft to maintain left upper extremity perfusion...
April 14, 2017: Journal of Cardiology
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