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Structural heart intervention

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https://www.readbyqxmd.com/read/29025029/ct-coronary-imaging-a-fast-evolving-world
#1
Prabhakar Rajiah, Suhny Abbara
Computed tomography (CT) has become an important modality in the evaluation of coronary artery disease (CAD). The tremendous technological advances in CT in the last two decades has made it possible to obtain high quality images of coronary arteries with high spatial and temporal resolutions. Multiple trials have confirmed the accuracy of CT compared to invasive catheter angiography. CT is also able to evaluate beyond the lumen in characterizing and quantifying atherosclerotic plaques, including evaluation of high risk features...
September 4, 2017: QJM: Monthly Journal of the Association of Physicians
https://www.readbyqxmd.com/read/29022266/cardiac-aging-benefits-of-exercise-nrf2-activation-and-antioxidant-signaling
#2
Madhusudhanan Narasimhan, Namakkal-Soorappan Rajasekaran
Cardiovascular dysfunction and heart failure associated with aging not only impairs the cardiac function but also the quality of life eventually decreasing the life expectancy of the elderly. Notably, cardiac tissue can prematurely age under certain conditions such as genetic mutation, persistent redox stress and overload, aberrant molecular signaling, DNA damage, telomere attrition, and other pathological insults. While cardiovascular-related morbidity and mortality is on the rise and remains a global health threat, there has been only little to moderate improvements in its medical management...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29020983/cxcr2-inhibition-a-novel-approach-to-treating-coronary-heart-disease-cicada-study-protocol-for-a-randomised-controlled-trial
#3
Jubin P Joseph, Eliana Reyes, Josephine Guzman, Jim O'Doherty, Hannah McConkey, Satpal Arri, Rahul Kakkar, Nicholas Beckley, Abdel Douiri, Sally F Barrington, Simon R Redwood, Albert Ferro
BACKGROUND: There is emerging evidence of the central role of neutrophils in both atherosclerotic plaque formation and rupture. Patients with lower neutrophil counts following acute coronary syndromes tend to have a greater coronary flow reserve, which is a strong predictor of long-term cardiovascular health. But so far, no data are available regarding the impact of neutrophil inhibition on cardiovascular clinical or surrogate endpoints. Therefore, the aim of this study is to investigate the effects of AZD5069, a cysteine-X-cysteine chemokine receptor 2 (CXCR2) inhibitor, on coronary flow reserve and coronary structure and function in patients with coronary artery disease...
October 11, 2017: Trials
https://www.readbyqxmd.com/read/29016706/microrna-532-protects-the-heart-in-acute-myocardial-infarction-and-represses-prss23-a-positive-regulator-of-endothelial-to-mesenchymal-transition
#4
Ahmed S Bayoumi, Jian-Peng Teoh, Tatsuya Aonuma, Zhize Yuan, Xiaofen Ruan, Yaoliang Tang, Huabo Su, Neal L Weintraub, Il-Man Kim
Aims: Acute myocardial infarction (MI) leads to cardiac remodelling and development of heart failure. Insufficient myocardial capillary density after MI is considered a critical determinant of this process. MicroRNAs (miRs), negative regulators of gene expression, have emerged as important players in MI. We previously showed that miR-532-5p (miR-532) is up-regulated by the β-arrestin-biased β-adrenergic receptor antagonist (β-blocker) carvedilol, which activates protective pathways in the heart independent of G protein-mediated second messenger signalling...
July 11, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28984158/magnitude-and-sources-of-distress-in-mid-life-adults-with-chronic-medical-illness-an-exploratory-mixed-methods-analysis
#5
Elizabeth N Madva, Federico Gomez-Bernal, Rachel A Millstein, Christopher M Celano, Elyse R Park, Carol A Mastromauro, Ariana M Albanese, Eleanor E Beale, Jeff C Huffman
Most mid-life adults have at least one chronic medical condition (CMC) and are at risk for developing additional CMCs. Stressors specific to this life stage may contribute to CMC development by hindering healthy behaviors. The goal of this study was to compare sources and intensity of distress, as they relate to health behaviors, between mid-life and non-mid-life adults with CMCs. We utilized a mixed-methods approach by analyzing quantitative self-report measures of psychiatric symptoms and psychological well-being, with in-depth, semi-structured qualitative interviews to identify sources of stress in three cohorts of patients with CMCs (heart failure, type 2 diabetes, and coronary artery disease)...
October 6, 2017: Psychology, Health & Medicine
https://www.readbyqxmd.com/read/28978603/percutaneous-balloon-pulmonary-valvuloplasty-pbpv-of-extreme-pulmonary-valve-stenosis-by-the-use-of-accura-balloon
#6
Santosh Kumar Sinha, Vikas Mishra, Mahmadula Razi, Mukesh Jitendra Jha
Transcatheter therapy of valvular pulmonary stenosis is one of first catheter interventions facilitating its application in field of structural heart disease and now treatment of choice for significant pulmonary stenosis. Myriads of balloon catheter have been used for this purpose starting from Diamond (Boston Scientific,Natick, MA USA), Marshal (Medi-Tech,Watertown MAUSA), Innoue balloon, Tyshak I and currently Tyshak II. Diameter and length of balloon depend on size of annulus and age group, respectively...
October 4, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28978344/the-expect-examining-exercise-prostate-cancer-and-circulating-tumour-cells-trial-study-protocol-for-a-randomised-controlled-trial
#7
Gráinne Sheill, Lauren Brady, Emer Guinan, Brian Hayes, Orla Casey, John Greene, Tatjana Vlajnic, Fidelma Cahill, Mieke Van Hemelrijck, Nicola Peat, Sarah Rudman, Juliette Hussey, Moya Cunningham, Liam Grogan, Thomas Lynch, Rustom P Manecksha, John McCaffrey, Lorelei Mucci, Orla Sheils, John O'Leary, Dearbhaile M O'Donnell, Ray McDermott, Stephen Finn
BACKGROUND: Prostate cancer (PrCa) is the second most common cancer in Ireland. Many men present with locally advanced or metastatic cancer for whom curative surgery is inappropriate. Advanced cancer patients are encouraged to remain physically active and therefore there is a need to investigate how patients with metastatic disease tolerate physical activity programmes. Physical activity reduces levels of systemic inflammatory mediators and so an aerobic exercise intervention may represent an accessible and cost-effective means of ameliorating the pro-inflammatory effects of obesity and subsequently decrease poor cancer-specific outcomes in this patient population...
October 4, 2017: Trials
https://www.readbyqxmd.com/read/28975959/challenges-of-congenital-heart-disease-in-grown-up-patients
#8
Markus Schwerzmann, Fabienne Schwitz, Corina Thomet, Alexander Kadner, Jean-Pierre Pfammatter, Kerstin Wustmann
Nowadays, more than 90% of all children born with congenital heart disease (CHD) reach adult life. Although initially considered to be cured, the majority of them continue to need specialised follow-up because they require re-do interventions or are at increased risk of cardiovascular complications and premature death. Arrhythmias are the most common cause of unscheduled hospital visits for grown-up CHD (GUCH) patients, accounting for one third of emergency admissions in these patients. Some GUCH patients are also at increased risk for sudden cardiac death...
October 4, 2017: Swiss Medical Weekly
https://www.readbyqxmd.com/read/28972483/peculiarities-of-remodeling-of-heart-and-neurohumoral-status-in-patients-with-chronic-heart-failure-and-concomitant-renal-disease-depending-on-the-value-of-the-ejection-fraction-of-the-left-ventricle
#9
О Bilchenko, V Kravtsova, Y Samburh, O Hodlevska, V Gavrilyuk
67 patients with CHF of FC II and concomitant chronic pyelonephritis at remission stage for not less than 6 months. As of the screening moment, intervention group (n=67 patients) and control group (n=22 apparently healthy individuals) were formed. The intervention group was divided into 3 groups: group 1 included 22 CHF patients with preserved LV EF (≥50%) associated with AH and concomitant CRD. Group 2 included 23 CHF patients with decreased heart LV EF (≤40%, but not less than 35%) associated with AH and concomitant CRD...
September 2017: Georgian Medical News
https://www.readbyqxmd.com/read/28957535/exercise-and-the-right-ventricle-a-potential-achilles-heel
#10
Andre La Gerche, Dhrubo J Rakhit, Guido Claessen
Exercise is associated with unequivocal health benefits and results in many structural and functional changes of the myocardium that enhance performance and prevent heart failure. However, intense exercise also presents a significant hemodynamic challenge in which the right-sided heart chambers are exposed to a disproportionate increase in afterload and wall stress that can manifest as myocardial fatigue or even damage if intense exercise is sustained for prolonged periods. This review focuses on the physiological factors that result in a disproportionate load on the right ventricle during exercise and the long-term consequences...
October 1, 2017: Cardiovascular Research
https://www.readbyqxmd.com/read/28954294/mild-cognitive-impairment-is-associated-with-subclinical-diastolic-dysfunction-in-patients-with-chronic-heart-disease
#11
Julian W Sacre, Jocasta Ball, Chiew Wong, Yih-Kai Chan, Simon Stewart, Bronwyn A Kingwell, Melinda J Carrington
Background: To examine mild cognitive impairment and its associations with subclinical cardiac dysfunction in patients with chronic heart disease yet to develop the clinical syndrome of chronic heart failure (CHF). Methods and results: Patients from the Nurse-led Intervention for Less Chronic Heart Failure Study (n = 373 with chronic heart disease other than CHF; 64 ± 11 years, 69% men) were screened for mild cognitive impairment [Montreal cognitive assessment (MoCA) score <26] and underwent echocardiographic/clinical profiling...
August 7, 2017: European Heart Journal Cardiovascular Imaging
https://www.readbyqxmd.com/read/28951397/building-blocks-of-structural-intervention-a-novel-modular-paradigm-for-procedural-training
#12
REVIEW
Claire E Raphael, Mohamad Alkhouli, Elad Maor, Sidakpal S Panaich, Oluseun Alli, Megan Coylewright, Guy S Reeder, Gurpreet Sandhu, David R Holmes, Rick Nishimura, Joseph Malouf, Allison Cabalka, Mackram F Eleid, Charanjit S Rihal
Structural heart disease is a rapidly evolving field, and approaches to procedural training are not standardized. We describe a novel modular approach to procedural training that considers each procedure as a series of building blocks that may be taught and assessed separately. Ten key structural heart disease building blocks can be identified, which, when combined with the cognitive skills of structural intervention and device-specific training, allow appropriate planning and implementation of structural procedures...
October 2017: Circulation. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28944646/acute-blood-glucose-cardiovascular-and-exaggerated-responses-to-high-intensity-interval-training-and-moderate-intensity-continuous-training-in-men-with-type-2-diabetes-mellitus
#13
Shohn G Wormgoor, Lance C Dalleck, Caryn Zinn, Nigel K Harris
BACKGROUND: Optimising exercise-induced physiological responses without increasing the risk of negative exaggerated responses is an important aspect of exercise prescription for people with type 2 diabetes mellitus (T2DM). However, knowledge of acute responses, including exaggerated responses, of different training modalities is limited. AIM: To compare acute physiological responses of moderate-intensity continuous training (MICT) and high-intensity interval training (HIIT) in T2DM...
September 22, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28944304/wearable-technology-to-reduce-sedentary-behavior-and-cvd-risk-in-older-adults-design-of-a-randomized-controlled-trial
#14
Lisa M Krehbiel, Andrew S Layne, Bhanuprasad Sandesara, Todd M Manini, Stephen D Anton, Thomas W Buford
Persons aged over 65 years account for over the vast majority of healthcare expenditures and deaths attributable to cardiovascular disease (CVD). Accordingly, reducing CVD risk among older adults is an important public health priority. Structured physical activity (i.e. exercise) is a well-documented method of decreasing CVD risk, but recent large-scale trials suggest that exercise alone is insufficient to reduce CVD events in high-risk populations of older adults. Thus adjuvant strategies appear necessary to reduce CVD risk...
June 2017: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/28944224/the-relationship-between-parental-rearing-behavior-resilience-and-depressive-symptoms-in-adolescents-with-congenital-heart-disease
#15
Ju Ryoung Moon, Jinyoung Song, June Huh, I-Seok Kang, Seung Woo Park, Sung-A Chang, Ji-Hyuk Yang, Tae-Gook Jun
OBJECTIVES: Parental rearing behavior is one factor that influences the strength of resilience. In turn, resilience influences depression. However, it is unclear whether resilience has a mediating effect on the relationship between parental rearing and depression in adolescents with congenital heart disease (CHD). Therefore, the associations between parental rearing behavior and resilience and between rearing behavior and symptoms of depression were investigated with respect to age, gender and disease severity...
2017: Frontiers in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28941606/new-developments-in-hypertrophic-cardiomyopathy
#16
REVIEW
Robert M Cooper, Claire E Raphael, Max Liebregts, Nandan S Anavekar, Josef Veselka
Hypertrophic cardiomyopathy is the leading cause of sudden death in young individuals and an important cause of heart failure at any age. In this review we discuss advances in investigation and management of this heterogenous disease. Improved cardiac imaging has allowed us to detail many of the structural abnormalities whereas the use of new techniques, predominantly in cardiac magnetic resonance imaging, has given us a greater insight in to tissue architecture, mechanism of contractile abnormalities, and function...
October 2017: Canadian Journal of Cardiology
https://www.readbyqxmd.com/read/28940991/guidewire-electrosurgery-assisted-trans-septal-puncture
#17
Jaffar M Khan, Toby Rogers, Marvin H Eng, Robert J Lederman, Adam B Greenbaum
OBJECTIVES: Electrifying a coronary guidewire may be a simple escalation strategy when trans-septal needle puncture is unsuccessful. BACKGROUND: Radiofrequency energy to facilitate trans-septal puncture through a dedicated device is costly and directly through a trans-septal needle may be less safe. Our technique overcomes these limitations. METHODS: The technique was used in patients when trans-septal needle penetration failed despite excessive force or tenting of the atrial septum...
September 20, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28938726/preparing-interventional-fellows-for-advanced-training-in-structural-heart-disease-interventions
#18
Ankur Kalra, Ali Andalib, Ronnie Ramadan, Abdul Moiz Hafiz, Marie-France Poulin, Hector Tamez, Duane S Pinto, Jeffrey J Popma
No abstract text is available yet for this article.
March 7, 2017: European Heart Journal
https://www.readbyqxmd.com/read/28932625/vascular-aging-implications-for-cardiovascular-disease-and-therapy
#19
Yohannes T Ghebre, Eduard Yakubov, Wing Tak Wong, Prasanna Krishnamurthy, Nazish Sayed, Andrew G Sikora, Mark D Bonnen
The incidence and prevalence of cardiovascular disease is highest among the elderly, in part, due to deleterious effects of advancing age on the heart and blood vessels. Aging, a known cardiovascular risk factor, is progressively associated with structural and functional changes to the vasculature including hemodynamic disturbance due to increased oxidative stress, premature cellular senescence and impairments in synthesis and/or secretion of endothelium-derived vasoactive molecules. These molecular and physiological changes lead to vessel wall stiffening and thickening, as well as other vascular complications that culminate to loss of vascular tone regulation and endothelial function...
December 2016: Translational Medicine: Current Research
https://www.readbyqxmd.com/read/28912183/arrhythmogenic-cardiomyopathy
#20
REVIEW
Domenico Corrado, Cristina Basso, Daniel P Judge
Arrhythmogenic cardiomyopathy is an inherited heart muscle disorder, predisposing to sudden cardiac death, particularly in young patients and athletes. Pathological features include loss of myocytes and fibrofatty replacement of right ventricular myocardium; biventricular involvement is often observed. It is a cell-to-cell junction cardiomyopathy, typically caused by genetically determined abnormalities of cardiac desmosomes, which leads to detachment of myocytes and alteration of intracellular signal transduction...
September 15, 2017: Circulation Research
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