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International Heart Journal

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https://www.readbyqxmd.com/read/29743418/minimally-invasive-aortic-valve-replacement-following-root-enlargement-on-too-narrow-annulus-to-perform-transcatheter-aortic-valve-implantation
#1
Kosuke Sakamoto, Toshinori Totsugawa, Arudo Hiraoka, Kentaro Tamura, Hidenori Yoshitaka, Taichi Sakaguchi
An 88-year-old woman was diagnosed with aortic stenosis and an aortic annulus that was too narrow to perform transcatheter aortic valve implantation. Surgery was performed through a 7-cm right mini-thoracotomy at the fourth intercostal space. A 19-mm aortic valve bioprosthesis was implanted after root enlargement. The fourth intercostal space was a suitable site for aortic root enlargement because of the shorter skin-to-root distance and the detailed exposure of the aortic valve after cutting the aortic wall...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29743417/impact-of-indoxyl-sulfate-on-coronary-plaques-in-patients-on-hemodialysis
#2
Masahiko Asami, Kengo Tanabe, Shunsuke Ito, Eri Yoshida, Jiro Aoki, Shuzou Tanimoto, Yu Horiuchi, Masayuki Yoshida
Serum indoxyl sulfate (IS; a uremic toxin) levels, which are significantly higher in patients with chronic kidney disease, including those undergoing hemodialysis, than in the robust, are associated with both cardiovascular disease (CVD) and CVD-related mortality. Furthermore, coronary artery calcium (CAC) is an independent predictor of cardiovascular events in patients undergoing hemodialysis. This study aimed to interpret the association between serum IS levels and coronary plaque burden (CPB) or CAC.A total of 30 consecutive patients on hemodialysis, who underwent 320-row coronary multidetector computed tomography (MDCT) angiography for suspected coronary artery disease, were enrolled in this prospective study...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29743416/hemodilution-after-initial-treatment-in-patients-with-acute-decompensated-heart-failure
#3
Teppei Fujita, Takayuki Inomata, Mayu Yazaki, Yuichiro Iida, Toyoji Kaida, Yuki Ikeda, Takeru Nabeta, Shunsuke Ishii, Emi Maekawa, Tomoyoshi Yanagisawa, Toshimi Koitabashi, Ichiro Takeuchi, Junya Ako
Decongestion is an important goal of heart failure (HF) management. Blood cell concentration is a recognized indicator for guiding decongestive treatment for HF. We aimed to assess the clinical impact of hemodilution and hemoconcentration after initial treatment in acute decompensated HF (ADHF) patients. We retrospectively evaluated hemoglobin levels and body weight obtained before admission, on admission, 3 days after admission, and at discharge in 102 consecutive patients admitted with ADHF. Patients were then stratified into hemodilution (n = 55) and hemoconcentration (n = 47) groups based on whether their hemoglobin levels decreased or increased, respectively, during the first 3 days after admission...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29743415/management-of-incomplete-initial-repair-in-the-treatment-of-degenerative-mitral-insufficiency
#4
Wenrui Ma, Wei Shi, Wei Zhang, Weihua Wu, Wei Ye, Ye Kong
We sought to present our institutional protocol to manage incomplete initial repair of degenerative mitral regurgitation and to evaluate its mid-term outcomes. Eight hundred and fifteen patients with degenerative mitral insufficiency undergoing mitral valve repair were investigated in this study. The initial repair attempt was incomplete in 48 patients, leaving a degree of residual regurgitation > mild, and an elevated transmitral gradient or systolic anterior motion (SAM). These patients were further treated with medication or mitral valve re-repair or replacement under reinstituted cardiopulmonary bypass...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29743414/asn391thr-mutation-of-%C3%AE-myosin-heavy-chain-in-a-hypertrophic-cardiomyopathy-family
#5
Xiaotong Feng, Tingting He, Ji-Gang Wang, Peng Zhao
The present study was performed to identify the genetic abnormalities in a family with familial hypertrophic cardiomyopathy.Peripheral blood samples were collected from 22 members of a Chinese family with hypertrophic cardiomyopathy and 307 healthy controls. A total of 26 candidate pathogenic genes were analyzed in the proband using targeted capture sequencing. Identified mutations were analyzed using Sanger sequencing in all family members and healthy controls.A missense mutation (c.1172A>C, p. Asn391Thr) in exon 12 of MYH7 was identified in eight family members, among which six of them were hypertrophic cardiomyopathy carriers...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29743413/quantitative-differentiation-of-lv-myocardium-with-and-without-layer-specific-fibrosis-using-mri-in-hypertrophic-cardiomyopathy-and-layer-specific-strain-tte-analysis
#6
Nobusada Funabashi, Hiroyuki Takaoka, Koya Ozawa, Tomoko Kamata, Masae Uehara, Issei Komuro, Yoshio Kobayashi
To achieve further risk stratification in hypertrophic cardiomyopathy (HCM) patients, we localized and quantified layer-specific LVM fibrosis on MRI in HCM patients using regional layer-specific peak longitudinal strain (PLS) and peak circumferential strain (PCS) in LV myocardium (LVM) on speckle tracking transthoracic echocardiography (TTE). A total of 18 HCM patients (14 males; 58 ± 17 years) underwent 1.5T-MRI and TTE. PLS and PCS in each layer of the LVM (endocardium, epicardium, and whole-layer myocardium) were calculated for 17 AHA-defined lesions...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29743412/successful-retrieval-of-entrapped-gaia-guidewire-in-calcified-chronic-total-occlusion-using-rotational-atherectomy-device
#7
Jae Young Cho, Soon Jun Hong
We report a novel technique for retrieving an entrapped Gaia guidewires in severely calcified coronary chronic total occlusion (CTO) using a rotational atherectomy device. By successfully cutting the entrapped and untangled guidewire within the CTO with the use of a rotational atherectomy device, we could effectively remove the Gaia guidewire from the right coronary artery.
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29743411/effects-of-verapamil-and-pinacidil-on-extracellular-k-ph-and-the-incidence-of-ventricular-fibrillation-during-60-minutes-of-ischemia
#8
Ichiro Watanabe, Leonard S Gettes
Ca++ -channel antagonist verapamil and ATP-sensitive K+ -channel opener pinacidil are known to decrease the rise in extracellular K+ ([K+ ]e ) level and pH (pHe ) that occurs during reversible acute myocardial ischemia and to lessen the accompanying activation delay. Verapamil is also known to decrease the incidence of ventricular tachycardia (VT)/fibrillation (VF) during acute myocardial ischemia; however, the effects of ATP-sensitive K+ -channel opener on the incidence of VT/VF are controversial. We studied, in an in vivo pig model, the effects of verapamil and pinacidil on the changes in [K+ ]e level and pHe , local activation, and the incidence of VT/VF during 60 minutes of ischemia...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29743410/safety-of-reversing-anticoagulation-by-protamine-following-elective-transfemoral-percutaneous-coronary-intervention-in-the-drug-eluting-stent-era
#9
Shingo Yamamoto, Kenichi Sakakura, Yousuke Taniguchi, Kei Yamamoto, Hiroshi Wada, Shin-Ichi Momomura, Hideo Fujita
Bleeding complications following percutaneous coronary interventions (PCI) have been closely associated with morbidity and mortality. Although radial arteries have been widely used in current PCI, including primary PCI, transfemoral PCI remains necessary for complex PCI. The purpose of this study was to compare the incidence of complications following elective transfemoral PCI between manual compression with and without protamine. We identified 249 consecutive patients who underwent elective transfemoral PCI from hospital records, and divided them into two groups: patients who used protamine for manual compression (the protamine group; n = 205) and patients who did not (the non-protamine group, n = 44)...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29743409/impact-of-sinus-node-recovery-time-after-long-standing-atrial-fibrillation-termination-on-the-long-term-outcome-of-catheter-ablation
#10
Naoko Yamaguchi, Yasuo Okumura, Ichiro Watanabe, Koichi Nagashima, Keiko Takahashi, Kazuki Iso, Ryuta Watanabe, Masaru Arai, Hiroaki Mano, Rikitake Kogawa, Sayaka Kurokawa, Kimie Ohkubo, Toshiko Nakai, Atsushi Hirayama, Kazumasa Sonoda, Toshimasa Tosaka
Atrial electrical and structural remodeling is related to the perpetuation of atrial fibrillation (AF) subsequent to sinus node dysfunction. We investigated the relationship between AF recurrence after catheter ablation and sinus node dysfunction in long-standing persistent AF patients using the sinus node recovery time (SNRT) after defibrillation.Fifty-one consecutive patients who underwent a first ablation for long-standing persistent AF were enrolled. Intracardiac cardioversion was applied before ablation in the absence of any antiarrhythmic drugs, and the power required to defibrillate, number, and SNRT after defibrillation were measured...
May 9, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681578/spontaneous-reduction-in-abnormal-myocardial-uptake-of-fluorine-18-fluorodeoxygluose-in-a-patient-with-cardiac-sarcoidosis
#11
Fumio Terasaki, Shu-Ichi Fujita, Yumiko Kanzaki, Yoshinobu Hirose, Nobukazu Ishizaka
Fluorine-18 fluorodeoxygluose (18 F-FDG) positron emission tomography (PET) is a useful tool for evaluating disease activity in sarcoidosis including cardiac involvement. A 67-year-old patient who developed atrioventricular block requiring permanent pacemaker implantation was diagnosed with cardiac sarcoidosis. The patient did not undergo steroid or immunosuppressive therapy but underwent serial 18 F-FDG PET examination, which showed spontaneous reduction in the myocardial FDG uptake, indicating the remission of immune-inflammatory activity...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681577/carotid-artery-stenting-versus-carotid-endarterectomy-for-treatment-of-asymptomatic-carotid-artery-stenosis
#12
Guiyi Yuan, Shuxian Zhou, Wei Wu, Yuling Zhang, Juan Lei, Boshui Huang
Asymptomatic carotid stenosis is common and is associated with increased risk of stroke. The relative efficacy and safety of carotid endarterectomy (CEA) and carotid stenting (CAS) in patients with asymptomatic carotid stenosis remain unclear. Five studies that recruited patients with asymptomatic but significant carotid stenosis, who underwent CEA or CAS, were included in this systematic review and meta-analysis. The analyzed outcomes included risks of stroke, myocardial infarction (MI), and death. Risk ratio (RR) and 95% confidence interval (95% CI) were calculated and pooled for meta-analysis...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681576/clinical-meaning-of-the-ratio-of-brachial-pre-ejection-period-to-brachial-ejection-time-in-patients-with-left-ventricular-systolic-dysfunction
#13
Kyoung-Ha Park, Woo Jung Park, Sang Jin Han, Hyun-Sook Kim, Sang Ho Jo, Sung-Ai Kim, Sang Won Suh
An increase in the ratio of the brachial pre-ejection period to brachial ejection time [pre-ejection period (PEP)/ET] is correlated with a decrease of left ventricular ejection fraction (LVEF). The current study was designed to test the hypothesis that the change value (Δ) of PEP/ET is a useful indicator of Δ LVEF in patients with left ventricular systolic dysfunction.We consecutively enrolled 104 patients with left ventricular systolic dysfunction (LVEF < 45%). PEP/ET, B-type natriuretic peptide (BNP), and LVEF were evaluated at baseline and at 6-month follow-up...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681575/sinus-standstill-in-a-patient-after-intracoronary-papaverine-administration-for-a-coronary-fractional-flow-reserve
#14
Masahiro Nauchi, Tsuyoshi Sakai, Masahiro Yamawaki, Yoshiaki Ito
A 78-year-old woman had paroxysmal atrial fibrillation and effort angina. Two months before she was admitted for a coronary angiography, she had been feeling dizzy. A Holter 24-hour electrocardiography monitor exhibited an asymptomatic episode of 2.9 seconds of RR interval. She underwent a coronary angiography, which showed intermediate stenosis in the left descending artery. Fractional flow reserve (FFR) measurement using intracoronary papaverine administration was performed. After intracoronary papaverine (12 mg) administration, pause of 4 seconds led to polymorphic ventricular tachycardia (VT), although the VT terminated spontaneously...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681574/effect-of-palliative-care-for-patients-with-heart-failure
#15
Zhili Xu, Linglong Chen, Shuang Jin, Baohua Yang, Xinguo Chen, Zhang Wu
Palliative care might be beneficial to heart failure. However, the results remain controversial. We conducted a systematic review and meta-analysis to explore the effect of palliative care on heart failure.PubMed, Embase, Web of Science, EBSCO, and Cochrane library databases were systematically searched. Randomized controlled trials (RCTs) assessing the effect of palliative care versus usual care on heart failure were included. Two investigators independently searched articles, extracted data, and assessed the quality of included studies...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681573/amlodipine-inhibits-vascular-cell-senescence-and-protects-against-atherogenesis-through-the-mechanism-independent-of-calcium-channel-blockade
#16
Hiromi Kayamori, Ippei Shimizu, Yohko Yoshida, Yuka Hayashi, Masayoshi Suda, Ryutaro Ikegami, Goro Katsuumi, Takayuki Wakasugi, Tohru Minamino
Vascular cells have a finite lifespan and eventually enter irreversible growth arrest called cellular senescence. We have previously suggested that vascular cell senescence contributes to the pathogenesis of human atherosclerosis. Amlodipine is a mixture of two enantiomers, one of which (S- enantiomer) has L-type channel blocking activity, while the other (R+ enantiomer) shows ~1000-fold weaker channel blocking activity than S- enantiomer and has other unknown effects. It has been reported that amlodipine inhibits the progression of atherosclerosis in humans, but the molecular mechanism of this beneficial effect remains unknown...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681572/improved-diagnosis-of-detection-of-late-enhancement-in-left-ventricular-myocardium-using-2nd-generation-320-slice-ct-reconstructed-with-first-in-non-ischemic-cardiomyopathy
#17
Hiroyuki Takaoka, Nobusada Funabashi, Koya Ozawa, Masae Uehara, Koichi Sano, Issei Komuro, Yoshio Kobayashi
Forward Projected Model-based Iterative Reconstruction SoluTion (FIRST) is a new reconstruction technique using CT, which provides successful reconstruction of high-quality CT images, especially in low contrast imaging. To evaluate improvements in the diagnostic accuracy of the detection of abnormal late enhancement (LE) in left-ventricular myocardium (LVM) using 320-slice CT with FIRST, we compared this modality with previous CT methods in patients with non-ischemic cardiomyopathy or a cardiac tumor.This was a retrospective study of 88 patients (56 males; 57 ± 15 years) suspected of having non-ischemic myocardial disease or a cardiac tumor...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681571/the-outcome-of-percutaneous-coronary-intervention-for-significant-atherosclerotic-lesions-in-segment-proximal-to-myocardial-bridge-at-left-anterior-descending-coronary-artery
#18
Zhang Hao, Jia Xinwei, Zakarya Ahmed, Pan Huanjun, Wang Zhanqi, Wang Yanfei, Chen Chunhong, Zhang Chan, Fu Liqiang
This study aimed to evaluate the efficacy of percutaneous coronary intervention (PCI) for significant atherosclerosis lesions proximal to myocardial bridge (MB) at left anterior descending coronary artery (LAD).A total of 330 consecutive patients with LAD significant stenosis, diagnosed as acute coronary syndrome (ACS), were included. Based on whether combined with MB, the patients were divided into the MB group (MB, n = 48) and non-MB group (NMB, n = 282). Drug eluting stents (DES) were successfully implanted in the stenostic segments prior to MB...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681570/single-femoral-venous-drainage-versus-both-vena-cava-drainage-in-isolated-repeat-tricuspid-valve-surgery
#19
Runsheng Peng, Hui Shi, Jun Ba, Chunsheng Wang
To assess the potential advantages of minimally invasive surgery using a single femoral venous drainage method versus femoral venous and superior vena cava or jugular venous drainage method during repeat tricuspid valve surgery.From January 2010 to December 2016, 50 repeat tricuspid valve procedures were performed using a minimally invasive approach without aortic cross-clamping at our institution. The arterial cannula was inserted into the femoral artery, and at the same time, the venous cannula was placed in the femoral vein in 28 patients (FV group) during cardiopulmonary bypass (CPB)...
April 20, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29681569/the-intra-pericardial-paraganglioma-presenting-as-ascites-and-hemopericardium-with-impending-tamponade
#20
Wei-Chieh Huang, Man-Hsu Huang, Tse-Min Lu, Chiao-Po Hsu
The intra-pericardial paraganglioma is very rare and most of them present with hypertension or palpitations. Here we reported an extraordinarily rare case of intra-pericardial paraganglioma presenting as faint, pitting edema, abdominal fullness with ascites, and hemopericardium with impending tamponade, which was treated successfully by emergent pericardiocentesis and surgical resection.
April 20, 2018: International Heart Journal
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