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World Journal of Cardiology

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https://www.readbyqxmd.com/read/28163840/optical-coherence-tomography-to-identify-the-cause-of-an-arrhythmic-storm-a-case-report
#1
Etienne L Couture, Simon Bérubé, Benoit Daneault
A 56-year-old man experienced an aborted sudden death followed by an arrhythmic storm. Angiography revealed a non-severe lesion on the left circumflex artery that was treated medically but an arrhythmic storm recurred. A repeat angiogram was comparable but optical coherence tomography imaging revealed a ruptured plaque with intraluminal thrombosis. Percutaneous coronary intervention was performed and no arrhythmia recurred.
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28163839/interventional-treatment-of-the-left-subclavian-in-2-patients-with-coronary-steal-syndrome
#2
Julia Heid, Britta Vogel, Arnt Kristen, Wanda Kloos, Benedikt Kohler, Hugo A Katus, Grigorios Korosoglou
In patients with history of coronary artery disease angina pectoris is usually attributed to the progression of atherosclerotic lesions. However, in patients with previous coronary artery bypass graft operation (CABG) using internal mammary artery grafts, great vessel disease should also be considered. Herein we present two patients with history of CABG whose symptoms were suspicious for coronary ischemia. During cardiac catheterization reverse blood flow was observed from the left artery disease to the left internal mammary artery (LIMA) graft in both cases...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28163838/longitudinal-deformation-of-a-third-generation-zotarolimus-eluting-stent-the-concertina-returns
#3
Vasileios F Panoulas, Ozan M Demir, Neil Ruparelia, Iqbal Malik
In the current case series we describe two cases of longitudinal stent deformation in ostial lesions treated with a new generation zotarolimus eluting stent and review current literature on longitudinal stent deformation. Historically not a common occurrence, longitudinal deformation occurred mainly in Promus Element everolimus eluting stents, which had only two rather than the commonly used 3 links between stent rings. Longitudinal deformation commonly occurs secondary to compression of the proximal edge of the stent by either the guide catheters, or intravascular balloons and imaging catheters...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28163837/simultaneous-ramp-right-heart-catheterization-and-echocardiography-in-a-reliantheart-left-ventricular-assist-device
#4
Dipanjan Banerjee, Debleena Dutt, Sebastien Duclos, Karim Sallam, Matthew Wheeler, Richard Ha
Many clinicians caring for patients with continuous flow left ventricular assist devices (CF-LVAD) use ramp right heart catheterization (RHC) studies to optimize pump speed and also to troubleshoot CF-LVAD malfunction. An investigational device, the ReliantHeart Heart Assist 5 (Houston, TX), provides the added benefit of an ultrasonic flow probe on the outflow graft that directly measures flow through the CF-LVAD. We performed a simultaneous ramp RHC and echocardiogram on a patient who received the above CF-LVAD to optimize pump parameters and investigate elevated flow through the CF-LVAD as measured by the flow probe...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28163836/how-far-cardio-metabolic-and-psychological-factors-affect-salt-sensitivity-in-normotensive-adult-population
#5
Masoumeh Sadeghi, Hamidreza Roohafza, Masoud Pourmoghaddas, Omid Behnamfar, Zahra Pourmoghaddas, Ebrahim Heidari, Zahra Mahjoor, Mehdi Mousavi, Ahmad Bahonar, Nizal Sarrafzadegan
AIM: To evaluate the prevalence of salt sensitivity and the impact of cardiometabolic and psychological characteristics on salt sensitivity in normotensive population. METHODS: Of all participants, anthropometric measurements and fasting venous blood samples were collected, and study questionnaires were completed. Salt Sensitivity was defined based on the difference in mean arterial pressure with infusion of 2 L of normal saline followed by a low sodium diet and administration of three doses of oral furosemide the day after...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28163835/one-year-outcome-of-percutaneous-mitral-valve-repair-in-patients-with-severe-symptomatic-mitral-valve-regurgitation
#6
Michael Gotzmann, Isabell Sprenger, Aydan Ewers, Andreas Mügge, Leif Bösche
AIM: To investigate one-year outcomes after percutaneous mitral valve repair with MitraClip(®) in patients with severe mitral regurgitation (MR). METHODS Our study investigated consecutive patients with symptomatic severe MR who underwent MitraClip(®) implantation at the University Hospital Bergmannsheil from 2012 to 2014. The primary study end-point was all-cause mortality. Secondary end-points were degree of MR and functional status after percutaneous mitral valve repair. RESULTS: The study population consisted of 46 consecutive patients (mean logistic EuroSCORE 32% ± 21%)...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28163834/does-heart-rate-variability-correlate-with-long-term-prognosis-in-myocardial-infarction-patients-treated-by-early-revascularization
#7
Leonida Compostella, Nenad Lakusic, Caterina Compostella, Li Van Stella Truong, Sabino Iliceto, Fabio Bellotto
AIM: To assess the prevalence of depressed heart rate variability (HRV) after an acute myocardial infarction (MI), and to evaluate its prognostic significance in the present era of immediate reperfusion. METHODS: Time-domain HRV (obtained from 24-h Holter recordings) was assessed in 326 patients (63.5 ± 12.1 years old; 80% males), two weeks after a complicated MI treated by early reperfusion: 208 ST-elevation myocardial infarction (STEMI) patients (in which reperfusion was successfully obtained within 6 h of symptoms in 94% of cases) and 118 non-ST-elevation myocardial infarction (NSTEMI) patients (percutaneous coronary intervention was performed within 24 h and successful in 73% of cases)...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28163833/ambulatory-pulmonary-artery-pressure-monitoring-in-advanced-heart-failure-patients
#8
REVIEW
Srikanth Yandrapalli, Anoshia Raza, Sohaib Tariq, Wilbert S Aronow
Heart failure (HF) is an emerging epidemic associate with significant morbidity, mortality, and health care expenditure. Although there were major advances in pharmacologic and device based therapies for the management of HF, mortality of this condition remains high. Accurate monitoring of HF patients for exacerbations is very important to reduce recurrent hospitalizations and its associated complications. With the failure of clinical signs, tele-monitoring, and laboratory bio-markers to function as early markers of HF exacerbations, more sophisticated techniques were sought to accurately predict the circulatory status in HF patients in order to execute timely pharmacological intervention to reduce frequent hospitalizations...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28163832/vitamin-d-and-acute-myocardial-infarction
#9
REVIEW
Valentina Milazzo, Monica De Metrio, Nicola Cosentino, Giancarlo Marenzi, Elena Tremoli
Vitamin D deficiency is a prevalent condition, cutting across all ethnicities and among all age groups, and occurring in about 30%-50% of the population. Besides vitamin D established role in calcium homeostasis, its deficiency is emerging as a new risk factor for coronary artery disease. Notably, clinical investigations have suggested that there is an association between hypovitaminosis D and acute myocardial infarction (AMI). Not only has it been linked to incident AMI, but also to increased morbidity and mortality in this clinical setting...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28163831/endothelial-progenitor-cells-exploring-the-pleiotropic-effects-of-statins
#10
REVIEW
Kully Sandhu, Mamas Mamas, Robert Butler
Statins have become a cornerstone of risk modification for ischaemic heart disease patients. A number of studies have shown that they are effective and safe. However studies have observed an early benefit in terms of a reduction in recurrent infarct and or death after a myocardial infarction, prior to any significant change in lipid profile. Therefore, pleiotropic mechanisms, other than lowering lipid profile alone, must account for this effect. One such proposed pleiotropic mechanism is the ability of statins to augment both number and function of endothelial progenitor cells...
January 26, 2017: World Journal of Cardiology
https://www.readbyqxmd.com/read/28070241/comparison-between-the-sapien-s3-and-the-sapien-xt-transcatheter-heart-valves-a-single-center-experience
#11
Fadi J Sawaya, Marco Spaziano, Thierry Lefèvre, Andrew Roy, Phillippe Garot, Thomas Hovasse, Antoinette Neylon, Hakim Benamer, Mauro Romano, Thierry Unterseeh, Marie-Claude Morice, Bernard Chevalier
AIM: To investigate the clinical outcomes of transcatheter aortic valve implantation (TAVI) with the SAPIEN 3 transcatheter heart valve (S3-THV) vs the SAPIEN XT valve (XT-THV). METHODS: We retrospectively analyzed 507 patients that underwent TAVI with the XT-THV and 283 patients that received the S3-THV at our institution between March 2010 and December 2015. RESULTS: Thirty-day mortality (3.5% vs 8.7%; OR = 0.44, P = 0.21) and 1-year mortality (25...
December 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/28070240/newer-perspectives-of-coronary-artery-disease-in-young
#12
REVIEW
Amitesh Aggarwal, Saurabh Srivastava, M Velmurugan
Coronary artery disease (CAD) occurring in less than 45 years of age is termed as young CAD. Recent studies show a prevalence of 1.2% of CAD cases in this age group. Ethnic wise south Asians especially Indians are more vulnerable to have CAD in young age group with a prevalence of 5% to 10%. Conventional risk factors such as smoking, diabetes, hypertension, obesity and family history seems to be as important as in older CAD subjects. But the prevalence of these risk factors seems to vary in younger subjects...
December 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/28070239/cardiac-biomarkers-in-pediatric-heart-disease-a-state-of-art-review
#13
REVIEW
Benedict A Fernandes, Kevin O Maher, Shriprasad R Deshpande
Every year there are more than 11000 hospitalizations related to heart failure in children resulting in significant morbidity and mortality. Over the last two decades, our understanding, diagnosis and management of pediatric heart failure is evolving but our ability to prognosticate outcomes in pediatric heart acute heart failure is extremely limited due to lack of data. In adult heart failure patients, the role of cardiac biomarkers has exponentially increased over the last two decades. Current guidelines for management of heart failure emphasize the role of cardiac biomarkers in diagnosis, management and prognostication of heart failure...
December 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/28070238/hematological-disorders-and-pulmonary-hypertension
#14
REVIEW
Rajamma Mathew, Jing Huang, Joseph M Wu, John T Fallon, Michael H Gewitz
Pulmonary hypertension (PH), a serious disorder with a high morbidity and mortality rate, is known to occur in a number of unrelated systemic diseases. Several hematological disorders such as sickle cell disease, thalassemia and myeloproliferative diseases develop PH which worsens the prognosis. Associated oxidant injury and vascular inflammation cause endothelial damage and dysfunction. Pulmonary vascular endothelial damage/dysfunction is an early event in PH resulting in the loss of vascular reactivity, activation of proliferative and antiapoptotic pathways leading to vascular remodeling, elevated pulmonary artery pressure, right ventricular hypertrophy and premature death...
December 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/28070237/to-ventricular-assist-devices-or-not-when-is-implantation-of-a-ventricular-assist-device-appropriate-in-advanced-ambulatory-heart-failure
#15
EDITORIAL
Emily Cerier, Brent C Lampert, Arman Kilic, Asia McDavid, Salil V Deo, Ahmet Kilic
Advanced heart failure has been traditionally treated via either heart transplantation, continuous inotropes, consideration for hospice and more recently via left ventricular assist devices (LVAD). Heart transplantation has been limited by organ availability and the futility of other options has thrust LVAD therapy into the mainstream of therapy for end stage heart failure. Improvements in technology and survival combined with improvements in the quality of life have made LVADs a viable option for many patients suffering from heart failure...
December 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/28070236/interaction-of-hyperlipidemia-and-reactive-oxygen-species-insights-from-the-lipid-raft-platform
#16
EDITORIAL
Eisuke Amiya
Reactive oxygen species (ROS) and oxidative stress are closely associated with the development of atherosclerosis, and the most important regulator of ROS production in endothelial cells is NADPH oxidase. Activation of NADPH oxidase requires the assembly of multiple subunits into lipid rafts, which include specific lipid components, including free cholesterol and specific proteins. Disorders of lipid metabolism such as hyperlipidemia affect the cellular lipid components included in rafts, resulting in modification of cellular reactions that produce ROS...
December 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27957255/pulmonary-vein-thrombosis-in-a-patient-with-polycythemia-vera
#17
Bhaskar Bhardwaj, Dany Jacob, Amit Sharma, Mouhanna Abu Ghanimeh, Paramdeep Baweja
Pulmonary vein thrombosis (PVT) is a rarely encountered disease entity with varied clinical presentations. It is usually associated with lung carcinoma, lung surgeries and as a complication of the radiofrequency catheter ablation procedure for atrial fibrillation. Its clinical manifestations can vary from mild hemoptysis to lung infarction with hemodynamic compromise. A 76-year-old male presented with a 2-d history of pleuritic left sided chest pain. His past medical history included polycythemia vera, atrial fibrillation, coronary artery disease, pulmonary embolism and pulmonary hypertension...
November 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27957254/outcomes-and-long-term-survival-of-coronary-artery-surgery-the-controversial-role-of-opium-as-risk-marker
#18
Mahdi Najafi, Leila Jahangiry, Seyedeh Hamideh Mortazavi, Arash Jalali, Abbasali Karimi, Ali Bozorgi
AIM: To study survival in isolated coronary artery bypass graft (CABG) patients and to evaluate the impact of preoperative chronic opium consumption on long-term outcome. METHODS: Cohort of 566 isolated CABG patients as Tehran Heart Center cardiac output measurement was conducted. Daily evaluation until discharge as well as 4- and 12-mo and 6.5-year follow-up information for survival status were fulfilled for all patients. Long-term 6.5-year overall and opium-stratified survival, adjusted survival curves based on opium consumption as well as possible predictors of all-cause mortality using multiple cox regression were determined by statistical analysis...
November 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27957253/increased-levels-of-circulating-platelet-derived-microparticles-in-psoriasis-possible-implications-for-the-associated-cardiovascular-risk
#19
Evangelia Papadavid, Konstantina Diamanti, Aris Spathis, Maria Varoudi, Ioanna Andreadou, Kostas Gravanis, Kostas Theodoropoulos, Petros Karakitsos, John Lekakis, Dimitrios Rigopoulos, Ignatios Ikonomidis
AIM: To evaluate platelet activation markers in psoriasis patients, compared to controls, and investigate their association with the inflammatory burden of psoriasis. METHODS: Forty psoriatic patients without cardiovascular disease, and 12 healthy controls were subjected to measurement of baseline platelet CD62P, CD63 and CD42b expression, platelet-leukocyte complexes, i.e., platelet-monocyte complexes (PMC), platelet-neutrophil complexes (PNC) and platelet-lymphocyte complexes, and concentrations of platelet-derived microparticles (PMPs) using flow cytometry...
November 26, 2016: World Journal of Cardiology
https://www.readbyqxmd.com/read/27957252/riata-silicone-defibrillation-lead-with-normal-electrical-measures-at-routine-ambulatory-check-the-role-of-high-voltage-shock-testing
#20
Elia De Maria, Ambra Borghi, Lorenzo Bonetti, Pier Luigi Fontana, Stefano Cappelli
AIM: To describe our experience with shock testing for the evaluation of patients with Riata™ leads. METHODS: Among 51 patients with normal baseline electrical parameters, 20 died during follow-up. Of the remaining 31 patients, 15 underwent the test: In 10 cases a defibrillation testing with ventricular fibrillation (VF) induction and in 5 cases a R-wave-synchronized shock (> 20 J, without inducing VF). The test was performed under sedation with Midazolam. RESULTS: Twelve patients (80%) had a normal behavior during shock testing: In 8 cases induced VF was correctly detected and treated; in 4 cases of R-wave-synchronized shock electrical parameters remained stable and normal...
November 26, 2016: World Journal of Cardiology
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