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Ge Jun-bo - - 2012
This paper describes the current status of percutaneous coronary intervention (PCI) for totally occluded coronary arteries. Chronic total occlusion is associated with 10%-20% of all PCI procedures. Results show that opening an occluded vessel, especially one supplying a considerable area of myocardium, may be beneficial for a patient's angina relief ...
Bonow Robert O - - 2012
Over a half century ago in Circulation, Dr. Paul Wood aptly described aortic stenosis (AS) as "a simple mechanical fault which, if severe enough, imposes a heavy burden on the left ventricle and sooner or later overcomes it"(1). Our subsequent understanding of the pathophysiology of AS, with more sophisticated tools ...
Bove Thierry - - 2012
This study investigates the contribution of infundibular versus pulmonary valve (PV) dysfunction on right ventricular (RV) function in a porcine model. Clinical outcome after repair of tetralogy of Fallot is determined by the adaptation of the right ventricle to the physiological sequelae of the right ventricular outflow tract (RVOT) reconstruction. ...
Labrunée M - - 2012
OBJECTIVE: To assess the impact of therapeutic education programmes for Coronary Artery Disease (CAD) and Chronic Heart Failure (CHF), as well as patients' expectations and education needs, tips to improve adherence to lifestyle modifications, and education materials. METHOD: We conducted a systematic review of the literature from 1966 to 2010 ...
Tonelli Marcello - - 2012
BACKGROUND: Diabetes is regarded as a coronary heart disease risk equivalent-ie, people with the disorder have a risk of coronary events similar to those with previous myocardial infarction. We assessed whether chronic kidney disease should be regarded as a coronary heart disease risk equivalent. METHODS: We studied a population-based cohort ...
Yin Wei-Hsian - - 2012
Background: The aim of this study was to ascertain whether expressions of adipokines in the myocardium or their circulating levels can provide prognostic information concerning patients with chronic heart failure (HF). Methods and Results: Circulating levels of 3 adipokines (leptin, adiponectin, and resistin), N-terminal pro-B-type natriuretic peptide (NT-proBNP), and high-sensitivity C-reactive protein ...
Yi Jeong-Eun - - 2012
AIMS: The aim of this study was to assess the changes in the left atrial (LA) shape and to identify the determinants of these changes in chronic mitral regurgitation (MR). METHODS AND RESULTS: We enrolled 125 consecutive patients (56 ± 16 years, 51% men) with chronic MR caused by myxomatous ...
Correale Michele - - 2012
Background: Patients with chronic heart failure (HF) are often rehospitalized; rehospitalization identifies subjects with a poorer quality of life and a worse prognosis. Estimates of the time intervals by tissue Doppler imaging (TDI) in patients with chronic HF has not been fully investigated, despite recent studies having explored the prognostic ...
Egstrup Michael - - 2012
Our aim was to assess the prognostic impact of a high-sensitivity cardiac troponin T (hs-cTnT) assay in an outpatient population with chronic systolic left ventricular heart failure (HF). Four hundred sixteen patients with chronic HF and left ventricular ejection fraction ≤45% were enrolled in a prospective cohort study. In addition ...
Khanna Pravien - - 2012
Surgical revascularization of left main and/or three-vessel coronary artery disease (CAD) is associated with improved survival in patients with left ventricular dysfunction when compared to medical therapy and can result in improved left ventricular ejection fraction (LVEF) [1]. Multivessel percutaneous coronary intervention (PCI) is equivalent to surgery regarding short and ...
Strauss Craig E - - 2012
Chronic mitral regurgitation (MR) causes volume overload on the left ventricle and, if uncorrected, will over time lead to left ventricular remodeling and heart failure. The benefits of angiotensin-converting enzyme (ACE) inhibitors or angiotensin II receptor blockers (ARBs) in primary MR are not well defined. MEDLINE was searched for studies ...
Donahue Michael - - 2012
Chronic kidney disease is a strong predictor of adverse cardiac events, including death, myocardial infarction and stent thrombosis (ST), after percutaneous coronary intervention. In the past few years, the development of new therapeutic strategies (including both drugs and devices) and a more complete understanding of the pathophysiology and predictive factors ...
Romero Jorge - - 2012
The purpose of this study was to compare the diagnostic accuracy of cardiac magnetic resonance (CMR) assessing myocardial viability in patients with chronic left ventricular (LV) dysfunction due to coronary artery disease using 3 techniques: 1) end-diastolic wall thickness (EDWT); 2) low-dose dobutamine (LDD); and 3) contrast delayed enhancement (DE). ...
Sayer Gabriel T - - 2012
Right ventricular physiology is characterized by its close relationship with the pulmonary circuit. The right ventricle can accommodate significant changes in preload, but is highly sensitive to increases in afterload. Progressive dilatation and dysfunction can initiate a cycle of oxygen supply-demand mismatch that ultimately leads to right ventricular failure. Echocardiography ...
Voskaridou Ersi - - 2012
Sickle cell disease (SCD) is an inherited chronic haemolytic anaemia whose clinical manifestations arise from the tendency of the haemoglobin to polymerize and deform red blood cells into the characteristic sickle shape due to a single nucleotide change in the β-globin. Vascular occlusion of small and large vessels can lead ...
Maciver David H - - 2012
Current concepts of heart failure propose multiple heterogeneous pathophysiological mechanisms. Recently a theoretical framework for understanding chronic heart failure was suggested. This paper develops this framework to include acute heart failure syndromes. We propose that all acute heart failure syndromes may be understood in terms of a relative fall in ...
Gage Ryan M - - 2012
Background: Echocardiographic (ECHO)-guided pacemaker optimization (PMO) in cardiac resynchronization therapy (CRT) nonresponders acutely improves left ventricular (LV) function. However, the chronic results of LV pacing in this group are less understood. Methods: We retrospectively studied 28 CRT nonresponders optimized based on ECHO to LV pacing and compared them to 28 ...
Gagnor Andrea - - 2012
We describe a case in which percutaneous coronary intervention of a chronic total occlusion (CTO) preserved left-ventricular function and regional contractility after occlusion of the prior donor vessel through recruitment of collateral flow in the reverse direction.
Paraskevaidis I - - 2012
Depression is a common co-morbidity in patients with cardiovascular diseases such as chronic coronary artery disease, acute coronary syndromes, post by-pass surgery and chronic heart failure. The presence of depression is independently associated with a decline in health status and an increase in the risk of hospitalization and death for ...
Ibrahim Michael - - 2012
INTRODUCTION: Chronic changes in mechanical load regulate long-term cardiac function. Chronic overload of the ventricle results in myocardial failure. Clinical use of ventricular assist devices shows that chronic reduction in load has a number of different consequences on the myocardium, including beneficial reverse remodeling as well as undesired remodeling (e.g., ...
Ghayal Puneet - - 2012
Chronic mitral regurgitation (MR) results in a state of chronic left ventricular (LV) volume overload, resulting in compensatory dilatation. Mitral valve (MV) surgery for regurgitation reduces LV preload but increases LV afterload. Few data are available documenting subsequent changes in LV size and function over time following MV surgery for ...
Ahmad Tariq - - 2012
Understanding of chronic heart failure (HF) has progressed from a syndrome of disordered hemodynamics caused by alterations in the structure of the heart to one that involves intertwined molecular pathways in disarray. Accordingly, the assessment and treatment of patients with chronic HF has shifted from a focus on hemodynamics to ...
Li Hongli - - 2012
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia. The most significant histological property of AF is atrial fibrosis, but the underlying mechanism is not clear. In this study we investigated the expression of miR-133 and miR-30, anti-fibrotic microRNAs (miRNAs), in chronic AF in canines. A total amount of ...
Mortensen Richard M - - 2012
Heart failure remains a critical target to improve health of the US population. It is a major cause of morbidity and mortality in the US.(1) Heart failure is a result of acute or chronic injury followed by healing and remodeling that is insufficient to maintain or restore function. Myocardial infarction ...
Meguro Kentaro - - 2012
After transcatheter aortic valve implantation (TAVI) in a 75-year-old male, chronic wide left bundle branch block (LBBB) developed. He experienced repeated episodes of decompensated systolic heart failure with severe systolic left ventricular dysfunction. After cardiac resynchronization therapy, his heart function improved substantially and he had no further admissions for heart ...
Dogan U - - 2012
Cardiovascular disease is the leading cause of mortality in endstage renal failure. Prognostic role of echocardiography has not been fully elucidated in chronic hemodialysis patients. To assess the ability of Doppler echocardiographic parameters of left ventricular (LV) diastolic function along with conventional echocardiographic indices to predict long-term adverse major events ...
Prasad Rachana - - 2012
Evaluation of: Grosu A, Senni M, Iacovoni A et al. Cardiac Resynchronization in Combination with β-blocker Treatment in Advanced Chronic Heart Failure (CARIBE-HF): the results of the CARIBE-HF study. Acta Cardiol. 66(5), 573-580 (2011). Untreated heart failure is a terminal illness with a poor prognosis. β-blockers are an established therapy ...
Dini Frank L - - 2012
Chronic kidney disease (CKD) and right ventricular (RV) dysfunction are important predictors of prognosis in heart failure (HF). We investigated the relationship between RV dysfunction and CKD in outpatients with chronic systolic HF, an association which remains poorly defined. Outpatients (n = 373) with chronic HF and left ventricular ejection ...
Talameh Jasmine A JA UNC Eshelman School of Pharmacy, Division of Pharmacotherapy and Experimental Therapeutics, Institute for Pharmacogenomics and Individualized Therapy, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, - - 2012
The individual patient responses to chronic heart failure (HF) pharmacotherapies are highly variable. This variability cannot be entirely explained by clinical characteristics, and genetic variation may play a role. Therefore, this review will summarize the background pharmacogenetic literature for major HF pharmacotherapy classes (ie, β-blockers, angiotensin-converting enzyme inhibitors, digoxin, and ...
Ge Wei W Department of Geriatrics, Xijing Hospital, Fourth Military Medical University, Xi'an, - - 2012
Mitochondrial aldehyde dehydrogenase-2 (ALDH2) has been shown to benefit myopathic changes following alcohol intake, although the precise mechanism is still unclear. This study was designed to evaluate the role of ALDH2 on chronic alcohol intake-induced myocardial geometric and functional damage with a focus on autophagic signalling. Wild-type friendly virus B ...
Attia Rizwan Q - - 2012
A 60-year old woman presented with dyspnoea and fatigue. She was frail and cachectic (BMI 17.5) with a pancytopenia. Previously she had received chemotherapy for chronic lymphatic leukaemia. She relapsed one year ago necessitating a reduced intensity conditioning allogeneic haematopoietic cell transplantation. Subsequently, graft versus host disease required high-dose immunosuppressants. ...
Athyros Vasilios G - - 2012
A recent study suggested that patients with chronic kidney disease (CKD) with a glomerular filtration rate (GFR) < 45 ml/min/1.73 m(2) are more likely to present with acute myocardial infarction (AMI) than with stable exertion angina. Thus, the degree of renal impairment seems to be related to the presentation of ...
Thadhani Ravi R Division of Nephrology, Massachusetts General Hospital, 55 Fruit St, Boston, MA 02114, USA. - - 2012
Vitamin D is associated with decreased cardiovascular-related morbidity and mortality, possibly by modifying cardiac structure and function, yet firm evidence for either remains lacking. To determine the effects of an active vitamin D compound, paricalcitol, on left ventricular mass over 48 weeks in patients with an estimated glomerular filtration rate ...
Aguor Eissa N E EN Department of Cardiology, University Medical Center Utrecht (UMCU), Utrecht, The - - 2012
Imaging of myocardial infarct composition is essential to assess efficacy of emerging therapeutics. T (2) (*) mapping has the potential to image myocardial hemorrhage and fibrosis by virtue of its short T (2) (*) . We aimed to quantify T (2) (*) in acute and chronic myocardial ischemia/reperfusion (I/R) injury ...
Byrne Conor J - - 2012
Outcomes after acute myocardial infarction in patients with chronic kidney disease are extremely poor. Ischemic conditioning techniques are among the most powerful cytoprotective strategies discovered to date. However, experimental data suggest that comorbidity may attenuate the protective effects of ischemic conditioning. We conducted investigations into the effects of chronic uremia ...
Hinkel Rabea - - 2012
Coronary heart disease is still the leading cause of death in industrialized nations, occurring either as acute coronary occlusion and myocardial infarction or as chronic ischemic cardiomyopathy caused by continuous obstruction of one or more coronary arteries. Even after successful reperfusion, an additional loss of otherwise vital cardiomyocytes may occur ...
Yamane Masahisa - - 2012
Although successful recanalization rates of coronary chronic total occlusions have remained suboptimal in percutaneous coronary interventions, evolving techniques, including the retrograde approach, have raised hopes for better outcomes. With the advent of antiplatelet therapy and drug-eluting stents, along with conventional antegrade approaches, further progress can be expected in the "last ...
Wong Christopher X - - 2012
AimsThere is increasing evidence of the role direction-dependent conduction plays in the arrhythmogenic interaction between ectopic triggers and abnormal atrial substrates. We thus sought to characterize direction-dependent conduction in chronically stretched atria.Methods and resultsTwenty-four patients with chronic atrial stretch due to mitral stenosis and 24 reference patients with left-sided accessory ...
Srisukwattana Akanis - - 2012
Target heart rate in rate control strategy has been proposed by the Atrial Fibrillation Follow-up Investigation of Rhythm Management (AFFIRM) study. There is limited data on the correlation of measured heart rate at rest and during Holter monitoring. To evaluate the proportion of achieved target heart rate between resting heart ...
Drummond David - - 2012
A 7-year-old girl was admitted with a severe abdominal pain. Abdominal ultrasound and CT revealed a large splenic infarction, leading to the diagnosis of chronic myeloid leukemia.
Nair Ajith P - - 2012
Pharmacological therapy of systolic left ventricular dysfunction has evolved over the past 3 decades. Current therapy is focused primarily on the regulation of the renin-angiotensin-aldosterone axis and sympathetic nervous system. Additional targets of pharmacotherapy include vasoconstriction, impaired nitric oxide metabolism, inflammation and improving myocardial function. As therapies in chronic systolic ...
Ishikawa Kiyotake - - 2012
The aim of this study was to reveal the temporal and spatial changes of strain parameters during the progression of chronic coronary ischemia. Fourteen pigs received occluder implantation to create gradual ischemia (CI), while six pigs underwent a sham surgery (Control). Six pigs after myocardial infarction were also studied (MI). ...
Vasconcelos Daniel França - - 2012
The association of variably altered cardiac autonomic and ventricular systolic and diastolic functions is still controversial and little explored in chronic Chagas' disease. To evaluate the extent to which cardiac autonomic and mechanical ventricular functions are altered and whether they are associated in asymptomatic chagasic cardiomyopathy. A total of 13 ...
Kishi Takuya - - 2012
It has been recognized that the sympathetic nervous system is abnormally activated in chronic heart failure, and leads to further worsening chronic heart failure. In the treatment of chronic heart failure many clinical studies have already suggested that the inhibition of the abnormal sympathetic hyperactivity by beta blockers is beneficial. ...
Barsheshet Alon - - 2012
Background: Biphasic pacing is a novel mode of pacing that was suggested to increase cardiac conduction velocity as compared with cathodal monophasic pacing. We aimed to evaluate the safety and efficacy of rapid atrial pacing to convert atrial fibrillation (AF) to normal sinus rhythm. Methods: Multiple biphasic (anodal/cathodal), reverse biphasic ...
Ali Omair M - - 2012
We present an interesting case of an elderly man with acute myocardial infarction due to retrograde dissection of the aortic root occluding the coronary ostia.
Jadoon Mehmood A - - 2012
A 48-year old Caucasian woman presented with chest pain on exertion and was diagnosed with an anomalous origin of dominant right coronary artery, it then ran a short intramural course in the wall of the aorta. Right coronary artery (RCA) was reimplanted on cardiac bypass at normal exit point on ...
Noguchi Kenichiro - - 2012
Iatrogenic acute aortic dissection during percutaneous coronary intervention is an extremely rare, but critical complication. Localized aortic dissections have been treated by sealing the entry with a coronary stent. Extensive dissections may require a surgical intervention. We present a case of type A extensive aortic dissection occurring during angioplasty of ...
Suzuki Jun-Ichi - - 2012
ONO-1301MS is a compound that acts as a prostacyclin agonist with thromboxane A2 synthase inhibitory activity. We investigated the effect of ONO-1301MS on myocardial remodeling in murine cardiac allografts. The hearts of Balb/c mice were transplanted into C3H/He mice (a full allomismatch combination) to assess acute rejection or C57BL/6 hearts ...
Yu L - - 2012
Chronic total occlusion of the left main coronary artery (LMCA) is a rare condition, and the information on surgical experiences is limited. Although total occlusion of the LMCA is accompanied by well-developed collateral circulation, the condition of circulation is unstable during manipulation of the heart. We report our experience with ...
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