PubMed Journals Articles About "Approves Medtronic Attain Stability Quad SureScan Left Heart" RSS

18:43 EDT 17th September 2019 | BioPortfolio

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Showing "approves Medtronic Attain Stability Quad SureScan left heart" PubMed Articles 1–25 of 12,000+

Primed Left Ventricle Heart Perfusion Creates Physiological Aortic Pressure in Porcine Hearts.

This article presents a primed left ventricle heart perfusion method to generate physiologic aortic pressure (AoP) and perform functional assessment. Isolated hearts of male Yorkshire pigs were used to study the hemodynamic behaviors of AoPs generated in the primed left ventricle heart perfusion (n = 6) and conventional (zero-loaded left ventricle) Langendorff perfusion (n = 6). The measurement results show that left ventricular pressure generated in the primed left ventricle heart perfusion is a determinan...

Pulmonary Hypertension Due to Left Heart Disease: an Update.

Pulmonary hypertension (PH) frequently complicates heart failure and portends a worse prognosis. This review will summarize and discuss recent updates in the classification and management of patients with PH due to left heart disease.

Racial Disparities in Patients Bridged to Heart Transplantation with Left Ventricular Assist Devices.

Left ventricular assist devices (LVADs) are an effective therapy in bridging patients with end stage heart failure to heart transplantation. The aim of this study was to identify the role of race in survival of patients bridged to heart transplant with a LVAD.

A six-year review of patients admitted to hospital with injuries related to quad bike use.

To describe quad bike injury-related hospitalisations in the Midland region over a six-year period.

Delay-dependent stability analysis of the QUAD vector field fractional order quaternion-valued memristive uncertain neutral type leaky integrator echo state neural networks.

This paper studies the robust stability analysis for a class of memristive-based neural networks (NN). The NN consists of a fractional order neutral type quaternion-valued leaky integrator echo state with parameter uncertainties and time-varying delays. First, the quaternion-valued leaky integrator echo state NN with QUAD vector field activation function is transformed into a real-valued system using a linear mapping function. Then, the Lyapunov-Krasovskii functional is adopted to derive the sufficient cond...

New perspectives and future directions in the treatment of heart failure.

The management of heart failure has changed significantly over the last 30 years, leading to improvements in the quality of life and outcomes, at least for patients with a substantially reduced left ventricular ejection fraction (HFrEF). This has been made possible by the identification of various pathways leading to the development and progression of heart failure, which have been successfully targeted with effective therapies. Meanwhile, many other potential targets of treatment have been identified, and...

Homografts versus stentless bioprosthetic valves in the pulmonary position: a multicentre propensity-matched comparison in patients younger than 20 years.

The aim of this study was to compare the performance of pulmonary homografts with stentless bioprosthetic valves [Medtronic Freestyle™ (Medtronic, Minneapolis, MN, USA)] in the pulmonary position in patients with congenital heart disease (CHD) younger than 20 years.

Hand-held echocardiography in children with hypoplastic left heart syndrome.

When performed by cardiologists, hand-held echocardiography (HHE) can assess ventricular systolic function and valve disease in adults, but its accuracy and utility in congenital heart disease is unknown. In hypoplastic left heart syndrome (HLHS), the echocardiographic detection of depressed right ventricular (RV) systolic function and higher grade tricuspid regurgitation (TR) can identify patients who are at increased risk of morbidity and mortality and who may benefit from additional imaging or medical th...

Left ventricular ejection fraction and adjudicated, cause-specific hospitalizations after myocardial infarction complicated by heart failure or left ventricular dysfunction.

Reduced left ventricular ejection fraction (LVEF) after acute myocardial infarction (MI) increases risk of cardiovascular (CV) hospitalizations, but evidence regarding its association with non-CV outcome is scarce. We investigated the association between LVEF and adjudicated cause-specific hospitalizations following MI complicated with low LVEF or overt heart failure (HF).

A giant malignant peripheral nerve sheath tumour within the left ventricle causing left ventricular outflow tract obstruction.

Transient complete heart block following catheter ablation of a left lateral accessory pathway.

A 16-year-old female with symptomatic Wolff-Parkinson-White (WPW) syndrome underwent catheter ablation of a left-sided lateral accessory pathway. The accessory pathway was eliminated with the first ablation lesion; however, the patient immediately developed complete heart block (CHB). At first, complete heart block was thought to be due to ablation of left atrial extension of the AV node, and pacemaker therapy was considered. However, careful ECG analysis revealed that the development of CHB was in fact due...

Corrigendum to: Incidence and factors associated with infective endocarditis in patients undergoing left-sided heart valve replacement.

Abdominal Operations After Left Ventricular Assist Device Implantation and Heart Transplantation.

Left ventricular assist devices (LVADs) are increasingly used to supplant the limited number of orthotopic heart transplantation (OHT). The present study aimed to perform a contemporary analysis of emergency abdominal operations after LVAD and OHT at a national level.

Cardiac resynchronization therapy by left bundle branch area pacing in heart failure patients with left bundle branch block.

Cardiac resynchronization therapy (CRT) via bi-ventricular pacing has demonstrated clinical benefits in heart failure (HF) patients with ventricular dyssynchrony. Other approaches of CRT is little known.

Improved differential diagnosis of intracardiac and extracardiac shunts using acoustic intensity mapping of saline contrast studies.

The aim of this study was to test the hypothesis that temporal patterns of saline contrast entry into, and exit from the left heart are significantly different in intra- and extra-cardiac shunts and can be used to differentiate the shunt mechanism when Valsalva manoeuvre cannot be performed, or is of uncertain quality. We propose a novel approach of mapping the temporal changes in acoustic intensity (AI) within the left and right heart to identify and define these unique patterns.

Impact of Right Ventricular Geometry and Left Ventricular Hypertrophy on Right Ventricular Mechanics and Clinical Outcomes in Hypoplastic Left Heart Syndrome.

Right ventricular (RV) function is a major determinant of survival in hypoplastic left heart syndrome (HLHS). However, the relation of RV geometry to myocardial mechanics and their relation to transplant-free survival are incompletely characterized.

Prediction of the development of pulmonary arterial hypertension with Tei Index in congenital heart diseases with left-to-right shunt.

The aim of this study was to determine the usefulness of the Tei Index, an echocardiographic parameter, in the early determination of pulmonary artery pressure (PAP) in congenital heart disease (CHD) with a left-to-right shunt.

Severe cardiomyopathy caused by a critically stenosed anomalous left coronary artery ostium originating in the left ventricle.

We report a case of a 44-year-old patient presenting with new-onset severe decompensated congestive heart failure, which was refractory to aggressive inpatient medical treatment. Left ventricular ejection fraction was 16%. Radiological investigations revealed the presence of an anomalous subannular origin of the left coronary artery, with an associated 95% ostial stenosis. The artery was supplied by collaterals from the right coronary system. This included a proximal collateral from the right marginal arter...

Ivabradine in Cancer Treatment-Related Left Ventricular Dysfunction.

Patients developing cancer treatment-related left ventricular dysfunction (CTrLVD) require a prompt therapy. Hypotension, dizziness, and fatigue often limit the use of angiotensin-converting enzyme inhibitors (ACEi), angiotensin receptor blockers (ARB), and β-blockers (BB) in cancer patients who may already be afflicted by these symptoms. Ivabradine is a heart rate-lowering drug that does not cause hypotension and may be used in heart failure with reduced left ventricular ejection fraction (LVEF).

Left coronary artery anomaly: a case report of a hypoplastic and anomalous origin from the left ventricular outflow tract.

Use of the Medtronic Freestyle for aortic valve infection: A retrospective propensity score matched analysis.

Aortic valve and prosthetic valve endocarditis present a challenging subgroup of patients at high risk. We analyzed our experience using the Medtronic Freestyle in full root technique for the treatment of these cases over 18-year time period.

Left Atrial Function determined by Echocardiography Predicts Incident Heart Failure in STEMI Patients treated with Primary Percutaneous Coronary Intervention.

To assess the comparative effectiveness of LA functional parameters (left atrial emptying fraction (LAEF), left atrial expansion index (LAi) and minimal left atrial volume index (MinLAVI)) with that of LA volume index (LAVI) in predicting HF and death following STEMI.

Impact of Degree of Left Ventricular Remodeling on Clinical Outcomes From Cardiac Resynchronization Therapy.

This study tested the hypothesis that the extent of left ventricular (LV) eccentric structural remodeling in heart failure with reduced ejection fraction (HFrEF) is directly associated with clinical event responses to cardiac resynchronization therapy (CRT).

Atrial Ectopy after Pulmonary Vein Isolation and Left Heart Reverse Remodeling in Patients with Atrial Fibrillation.

Maintenance of sinus rhythm after pulmonary vein isolation (PVI) for atrial fibrillation (AF) is associated with left atrial (LA) and ventricular (LV) reverse remodeling, although the degree varies among individuals. We hypothesized that frequent premature atrial complex (PAC) after PVI may attenuate the left heart reverse remodeling benefited from maintenance of sinus rhythm.

April 2019 at a glance: prediction of heart failure, left atrial function, cardio-oncology.

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