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World Journal of Cardiology

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https://www.readbyqxmd.com/read/27847563/randomized-controlled-trial-of-remote-ischemic-preconditioning-and-atrial-fibrillation-in-patients-undergoing-cardiac-surgery
#1
Amir S Lotfi, Hossein Eftekhari, Auras R Atreya, Ananth Kashikar, Senthil K Sivalingam, Miguel Giannoni, Paul Visintainer, Daniel Engelman
AIM: To study whether remote ischemic preconditioning (RIPC) has an impact on clinical outcomes, such as post-operative atrial fibrillation (POAF). METHODS: This was a prospective, single-center, single-blinded, randomized controlled study. One hundred and two patients were randomized to receive RIPC (3 cycles of 5 min ischemia and 5 min reperfusion in the upper arm after induction of anesthesia) or no RIPC (control). Primary outcome was POAF lasting for five minutes or longer during the first seven days after surgery...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27847562/optimal-c-arm-angulation-during-transcatheter-aortic-valve-replacement-accuracy-of-a-rotational-c-arm-computed-tomography-based-three-dimensional-heart-model
#2
Verena Veulemans, Sabine Mollus, Axel Saalbach, Max Pietsch, Katharina Hellhammer, Tobias Zeus, Ralf Westenfeld, Jürgen Weese, Malte Kelm, Jan Balzer
AIM: To investigate the accuracy of a rotational C-arm CT-based 3D heart model to predict an optimal C-arm configuration during transcatheter aortic valve replacement (TAVR). METHODS: Rotational C-arm CT (RCT) under rapid ventricular pacing was performed in 57 consecutive patients with severe aortic stenosis as part of the pre-procedural cardiac catheterization. With prototype software each RCT data set was segmented using a 3D heart model. From that the line of perpendicularity curve was obtained that generates a perpendicular view of the aortic annulus according to the right-cusp rule...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27847561/congenital-coronary-artery-fistulas-complicated-with-pulmonary-hypertension-analysis-of-211-cases
#3
Salah Am Said
AIM: To compare the behavior of pulmonary hypertension (PHT) associated with coronary artery fistulas (CAFs) between the Asian and Caucasian subjects. METHODS: CAFs may be complicated with PHT secondary to left-to-right shunt. Literature review limited to the English language. A total of 211 reviewed patients were collected. Of those, 111 were of Asian and 100 were of Caucasian ethnic origin. The mean age of the Asian and the Caucasian groups of patients were 48...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27847560/left-ventricular-false-tendons-and-electrocardiogram-repolarization-abnormalities-in-healthy-young-subjects
#4
Zlatan Lazarevic, Emanuela Ciminelli, Federico Quaranta, Fabio Sperandii, Emanuele Guerra, Fabio Pigozzi, Paolo Borrione
AIM: To describe echocardiographically left ventricular false tendon characteristics and the correlation with ventricular repolarization abnormalities in young athletes. METHODS: Three hundred and sixteen healthy young athletes from different sport disciplines were evaluated from 2009 to 2011 during routine screening for agonistic sports eligibility. All subjects, as part of standard pre-participation screening medical evaluation, underwent a basal and post step test 12-lead electrocardiogram (ECG)...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27847559/impaired-norepinephrine-regulation-of-monocyte-inflammatory-cytokine-balance-in-heart-failure
#5
Tien Mh Ng, Myron L Toews
AIM: To evaluate the effect of norepinephrine on inflammatory cytokine expression in ex vivo human monocytes and monocytic THP-1 cells. METHODS: For human monocyte studies, cells were isolated from 12 chronic heart failure (HF) (66 ± 12 years, New York Heart Association functional class III-IV, left ventricular ejection fraction 22% ± 9%) and 14 healthy subjects (66 ± 12 years). Monocytes (1 × 10(6)/mL) were incubated with lipopolysaccharide (LPS) 100 ng/mL, LPS + norepinephrine (NE) 10(-6) mol/L or neither (control) for 4 h...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27847558/physical-activity-in-primary-and-secondary-prevention-of-cardiovascular-disease-overview-updated
#6
REVIEW
Alberto J Alves, João L Viana, Suiane L Cavalcante, Nórton L Oliveira, José A Duarte, Jorge Mota, José Oliveira, Fernando Ribeiro
Although the observed progress in the cardiovascular disease treatment, the incidence of new and recurrent coronary artery disease remains elevated and constitutes the leading cause of death in the developed countries. Three-quarters of deaths due to cardiovascular diseases could be prevented with adequate changes in lifestyle, including increased daily physical activity. New evidence confirms that there is an inverse dose-response relationship between physical activity and cardiovascular disease and mortality risk...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27847557/thoracic-ultrasound-a-complementary-diagnostic-tool-in-cardiology
#7
REVIEW
Guglielmo M Trovato
Clinical assessment and workup of patients referred to cardiologists may need an extension to chest disease. This requires more in-depth examination of respiratory co-morbidities due to uncertainty or severity of the clinical presentation. The filter and integration of ecg and echocardiographic information, addressing to the clues of right ventricular impairment, pulmonary embolism and pulmonary hypertension, and other less frequent conditions, such as congenital, inherited and systemic disease, usually allow more timely diagnosis and therapeutic choice...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27847556/remote-electrocardiograph-monitoring-using-a-novel-adhesive-strip-sensor-a-pilot-study
#8
REVIEW
Charles J Bruce, Dorothy J Ladewig, Virend K Somers, Kevin E Bennet, Scott Burrichter, Christopher G Scott, Lyle J Olson, Paul A Friedman
The increase in health care costs is not sustainable and has heightened the need for innovative low cost effective strategies for delivering patient care. Remote monitoring holds great promise for preventing or shortening duration of hospitalization even while improving quality of care. We therefore conducted a proof of concept study to examine the quality of electrocardiograph (ECG) recordings obtained remotely and to test its potential utility in detecting harmful rhythms such as atrial fibrillation. We tested a novel adhesive strip ECG monitor and assessed the ECG quality in ambulatory individuals...
October 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27721938/characterization-of-optimal-resting-tension-in-human-pulmonary-arteries
#9
Azar Hussain, Robert T Bennett, Mubarak A Chaudhry, Syed S Qadri, Mike Cowen, Alyn H Morice, Mahmoud Loubani
AIM: To determine the optimum resting tension (ORT) for in vitro human pulmonary artery (PA) ring preparations. METHODS: Pulmonary arteries were dissected from disease free sections of the resected lung in the operating theatre and tissue samples were directly sent to the laboratory in Krebs-Henseleit solution (Krebs). The pulmonary arteries were then cut into 2 mm long rings. PA rings were mounted in 25 mL organ baths or 8 mL myograph chambers containing Krebs compound (37 °C, bubbled with 21% O2: 5% CO2) to measure changes in isometric tension...
September 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27721937/depression-risk-in-patients-with-coronary-heart-disease-in-germany
#10
Marcel Konrad, Louis Jacob, Michael A Rapp, Karel Kostev
AIM: To determine the prevalence of depression and its risk factors among patients with coronary heart disease (CHD) treated in German primary care practices. METHODS: Longitudinal data from nationwide general practices in Germany (n = 1072) were analyzed. Individuals initially diagnosed with CHD (2009-2013) were identified, and 59992 patients were included and matched (1:1) to 59992 controls. The primary outcome measure was an initial diagnosis of depression within five years after the index date among patients with and without CHD...
September 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27721936/role-of-radionuclide-imaging-for-diagnosis-of-device-and-prosthetic-valve-infections
#11
Jean-François Sarrazin, François Philippon, Mikaël Trottier, Michel Tessier
Cardiovascular implantable electronic device (CIED) infection and prosthetic valve endocarditis (PVE) remain a diagnostic challenge. Cardiac imaging plays an important role in the diagnosis and management of patients with CIED infection or PVE. Over the past few years, cardiac radionuclide imaging has gained a key role in the diagnosis of these patients, and in assessing the need for surgery, mainly in the most difficult cases. Both (18)F-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) and radiolabelled white blood cell single-photon emission computed tomography/computed tomography (WBC SPECT/CT) have been studied in these situations...
September 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27721935/noninvasive-diagnosis-of-vulnerable-coronary-plaque
#12
Eduardo Pozo, Pilar Agudo-Quilez, Antonio Rojas-González, Teresa Alvarado, María José Olivera, Luis Jesús Jiménez-Borreguero, Fernando Alfonso
Myocardial infarction and sudden cardiac death are frequently the first manifestation of coronary artery disease. For this reason, screening of asymptomatic coronary atherosclerosis has become an attractive field of research in cardiovascular medicine. Necropsy studies have described histopathological changes associated with the development of acute coronary events. In this regard, thin-cap fibroatheroma has been identified as the main vulnerable coronary plaque feature. Hence, many imaging techniques, such as coronary computed tomography, cardiac magnetic resonance or positron emission tomography, have tried to detect noninvasively these histomorphological characteristics with different approaches...
September 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27721934/novel-concepts-in-radiation-induced-cardiovascular-disease
#13
Jason R Cuomo, Gyanendra K Sharma, Preston D Conger, Neal L Weintraub
Radiation-induced cardiovascular disease (RICVD) is the most common nonmalignant cause of morbidity and mortality among cancer survivors who have undergone mediastinal radiation therapy (RT). Cardiovascular complications include effusive or constrictive pericarditis, cardiomyopathy, valvular heart disease, and coronary/vascular disease. These are pathophysiologically distinct disease entities whose prevalence varies depending on the timing and extent of radiation exposure to the heart and great vessels. Although refinements in RT dosimetry and shielding will inevitably limit future cases of RICVD, the increasing number of long-term cancer survivors, including those treated with older higher-dose RT regimens, will ensure a steady flow of afflicted patients for the foreseeable future...
September 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27721933/intra-cardiac-distribution-of-late-gadolinium-enhancement-in-cardiac-sarcoidosis-and-dilated-cardiomyopathy
#14
Makoto Sano, Hiroshi Satoh, Kenichiro Suwa, Masao Saotome, Tsuyoshi Urushida, Hideki Katoh, Hideharu Hayashi, Takeji Saitoh
Cardiac involvement of sarcoid lesions is diagnosed by myocardial biopsy which is frequently false-negative, and patients with cardiac sarcoidosis (CS) who have impaired left ventricular (LV) systolic function are sometimes diagnosed with dilated cardiomyopathy (DCM). Late gadolinium enhancement (LE) in magnetic resonance imaging is now a critical finding in diagnosing CS, and the novel Japanese guideline considers myocardial LE to be a major criterion of CS. This article describes the value of LE in patients with CS who have impaired LV systolic function, particularly the diagnostic and clinical significance of LE distribution in comparison with DCM...
September 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27621777/acquired-aortocameral-fistula-occurring-late-after-infective-endocarditis-an-emblematic-case-and-review-of-38-reported-cases
#15
Salah A M Said, Massimo A Mariani
AIM: To delineate the features and current therapeutic option of congenital and acquired aortocameral fistulas (ACF) secondary to iatrogenic or infectious disorders. METHODS: From a PubMed search using the term "aortocameral fistula", 30 suitable papers for the current review were retrieved. Reviews, case series and case reports published in English were considered. Abstracts and reports from scientific meetings were not included. A total of 38 reviewed subjects were collected and analyzed...
August 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27621776/relationship-between-coronary-calcium-score-and-high-risk-plaque-significant-stenosis
#16
Kohichiro Iwasaki, Takeshi Matsumoto
AIM: To investigate the relationship between coronary calcium score (CCS) and vulnerable plaque/significant stenosis using coronary computed tomographic angiography (CCTA). METHODS: CCTA was performed in 651 patients and these patients were divided into the four groups (CCS 0, 1-100, 101-400 and > 400). We studied the incidence of high-risk plaque, including positive remodeling, low attenuation plaque, spotty calcification, and napkin-ring sign, and significant stenosis in each group...
August 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27621775/noninvasive-model-including-right-ventricular-speckle-tracking-for-the-evaluation-of-pulmonary-hypertension
#17
Yossra Mahran, Robert Schueler, Marcel Weber, Carmen Pizarro, Georg Nickenig, Dirk Skowasch, Christoph Hammerstingl
AIM: To find parameters from transthorathic echocardiography (TTE) including speckle-tracking (ST) analysis of the right ventricle (RV) to identify precapillary pulmonary hypertension (PH). METHODS: Forty-four patients with suspected PH undergoing right heart catheterization (RHC) were consecutively included (mean age 63.1 ± 14 years, 61% male gender). All patients underwent standardized TTE including ST analysis of the RV. Based on the subsequent TTE-derived measurements, the presence of PH was assessed: Left ventricular ejection fraction (LVEF) was calculated by Simpsons rule from 4Ch...
August 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27621774/rationale-and-design-of-the-cardiorespiratory-fitness-and-hospitalization-events-in-armed-forces-study-in-eastern-taiwan
#18
Gen-Min Lin, Yi-Hwei Li, Chung-Jen Lee, Jeng-Chuan Shiang, Ko-Huan Lin, Kai-Wen Chen, Yu-Jung Chen, Ching-Fen Wu, Been-Sheng Lin, Yun-Shun Yu, Felicia Lin, Fung-Ying Su, Chih-Hung Wang
AIM: To investigate the association between cardiorespiratory fitness and hospitalization events in a cohort of large voluntary arm forces in Taiwan. METHODS: The cardiorespiratory fitness and hospitalization events in armed forces (CHIEF) is a retrospective cohort consisting of more than 4000 professional military members aged 18-50 years in Eastern Taiwan. All participants received history taking, physical examination, chest radiography, 12-lead electrocardiography, blood tests for cell counts and fasting glucose, lipid profiles, uric acid, renal function and liver function in the Hualien Armed Forces General Hospital during 2014...
August 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27621773/application-of-appropriate-use-criteria-for-percutaneous-coronary-intervention-in-japan
#19
REVIEW
Taku Inohara, Shun Kohsaka, Ikuko Ueda, Takashi Yagi, Yohei Numasawa, Masahiro Suzuki, Yuichiro Maekawa, Keiichi Fukuda
The aim of this review was to summarize the concept of appropriate use criteria (AUC) regarding percutaneous coronary intervention (PCI) and document AUC use and impact on clinical practice in Japan, in comparison with its application in the United States. AUC were originally developed to subjectively evaluate the indications and performance of various diagnostic and therapeutic modalities, including revascularization techniques. Over the years, application of AUC has significantly impacted patient selection for PCI in the United States, particularly in non-acute settings...
August 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27621772/12-lead-electrocardiogram-features-of-arrhythmic-risk-a-focus-on-early-repolarization
#20
REVIEW
Caterina Rizzo, Francesco Monitillo, Massimo Iacoviello
The 12-lead electrocardiogram (ECG) is still the most used tool in cardiology clinical practice. Considering its easy accessibility, low cost and the information that it provides, it remains the starting point for diagnosis and prognosis. More specifically, its ability to detect prognostic markers for sudden cardiac death due to arrhythmias by identifying specific patterns that express electrical disturbances of the heart muscle, which may predispose to malignant arrhythmias, is universally recognized. Alterations in the ventricular repolarization process, identifiable on a 12-lead ECG, play a role in the genesis of ventricular arrhythmias in different cardiac diseases...
August 26, 2016: World Journal of Cardiology
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