Etiquetas Archivo: Left ventricular assist device

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HeartMate III Autonomy Assistant in a Hemiplegic Left Ventricular Assist Device Patient: A Case Report

Abstract Terminal heart failure presents challenges, requiring cardiac transplantation, or mechanical circulatory support. Limited donor organ availability has made mechanical support crucial. Advances in centrifugal-flow systems, compared to axial-flow, have..

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Different ECLS Pump Configurations for Temporary Right Ventricular Assist Device in LVAD Patients: A Retrospective Case–Control Study

Abstract Background: Acute right ventricular failure is a critical complication after left ventricular assist device (LVAD) implantation, often managed with a temporary paracorporeal right ventricular assist device (RVAD). This study..

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Heart Transplantation and Left Ventricular Assist Devices: Long-Term Prognosis and Effects on Mental Health

Abstract Heart transplantation and left ventricular assist devices (LVADs) have emerged as crucial interventions for end-stage heart failure, dramatically improving patient outcomes. This narrative review examines their historical context, indications,..

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Fibrin clot permeability (Ks) in patients on left ventricular assist device

Abstract Patients on left ventricular assist devices (LVAD) are prone to excessive hemostasis disturbances due to permanent contact of artificial pump surfaces with blood components. We aimed to investigate if..

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Continuous-Flow Left Ventricular Assist Devices and Valvular Heart Disease: A Comprehensive Review

Abstract Mechanical circulatory support with implantable durable continuous-flow left ventricular assist devices (CF-LVADs) represents an established surgical treatment option for patients with advanced heart failure refractory to guideline-directed medical therapy...

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Outcomes and quality of life in patients receiving durable left ventricular assist device with biventricular support

Abstract Background Patients requiring biventricular support (BIVAD) face higher morbidity than those undergoing durable left ventricular assist device (LVAD) implantation alone. The goal of the current study was to evaluate..

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Pulsatility of Pulmonary Artery Waveforms Before and After Left Ventricular Assist Device Is Associated With Right Ventricular Failure

Abstract Despite technological advances in left ventricular assist device (LVAD) technology, which have made survival competitive with heart transplantation at 2 years, right ventricular failure (RVF), with an incidence of..

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Right Ventricular Assist Device Placement During Left Ventricular Assist Device Implantation Is Associated With Improved Survival

Abstract Right ventricular failure (RVF) is a significant cause of mortality in patients undergoing left ventricular assist device (LVAD) implantation. Although right ventricular assist devices (RVADs) can treat RVF in..

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Treatment Strategies and Outcomes of Right Ventricular Failure Post Left Ventricular Assist Device Implantation: An INTERMACS Analysis

Abstract Right heart failure (RHF) management after left ventricular assist device (LVAD) implantation includes inotropes, right ventricular mechanical support, and heart transplantation. The purpose of this study is to compare..

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ECMO as an Indirect Bridge to Durable Left Ventricular Assist Device Implantation

Abstract Introduction: The need for preoperative extracorporeal membrane oxygenation (ECMO) support prior to left ventricular assist device(LVAD) therapy has been associated with increased mortality. Our study investigated the impact of de-escalating..

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Application of 1,000 fps High-Speed Angiography to In-Vitro Hemodynamic Evaluation of Left Ventricular Assist Device Outflow Graft Configurations

Abstract Left ventricular assist device (LVAD)–induced hemodynamics are characterized by fast-moving flow with large variations in velocity, making quantitative assessments difficult with existing imaging methods. This study demonstrates the ability of..

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The arresting LVAD patient: A review of the updated recommendations

By Stephanie Louka, MD Case scenario: Paramedics are called to the home of a 59-year-old male patient with an LVAD who was found unconscious and unresponsive by family members. He..

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Prediction of Survival After Implantation of a Fully Magnetically Levitated Left Ventricular Assist Device

Abstract Background Clinical trials inform on average efficacy, but individualized risk assessments for outcome prediction are important in guiding treatment implementation. Objectives The authors developed and validated a patient-specific risk..

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Left ventricular vs. biventricular mechanical support: Decision making and strategies for avoidance of right heart failure after left ventricular assist…

Abstract Left ventricular assist devices (LVADs) are safer and provide better survival and better quality of life than biventricular assist devices (BVADs) but end-stage heart failure often involves both ventricles,..

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HeartMate left ventricular assist device for long-term circulatory support

Abstract We describe three successful cases of HeartMate left ventricular assist device (LVAD; Thermo Cardiosystems, Woburn, MA, USA) implantation in patients with end-stage heart failure for long-term circulatory support. Patient..

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Characteristics and Outcomes of Candidemia in Patients with Durable Left Ventricular Assist Device Support

Abstract There are limited data on the characteristics and clinical course of fungal infections in patients on durable left ventricular assist device (LVAD) support. We sought to further characterize the..

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Development of a non-transplant left ventricular assist device program

Abstract Introduction Although the established long-term benefit of left ventricular assist device (LVAD) therapy has led to its proliferation as destination therapy (DT), few studies have evaluated LVAD outcomes at..

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Biological Response to Sintered Titanium in Left Ventricular Assist Devices: Pseudoneointima, Neointima, and Pannus

Abstract Titanium alloys have traditionally been used in blood-contacting cardiovascular devices, including left ventricular assist devices (LVADs). However, titanium surfaces are susceptible to adverse coagulation, leading to thrombogenesis and stroke...

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Trends and Outcomes of Left Ventricular Assist Device Therapy: JACC Focus Seminar

Abstract As the prevalence of advanced heart failure continues to rise, treatment strategies for select patients include heart transplantation or durable left ventricular assist device (LVAD) support, both of which..

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Right Ventricular Global Longitudinal Strain as a Predictor of Acute and Early Right Heart Failure Post Left Ventricular Assist Device…

Abstract Early right heart failure (RHF) occurs in up to 40% of patients following left ventricular assist device (LVAD) implantation and is associated with increased morbidity and mortality. The most recent..

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MitraClip® procedure as bridge to left ventricular assist device: Enable extracorporeal membrane oxygenation weaning and reduce perioperative risk

Abstract Secondary mitral valve regurgitation is a frequent consequence of left ventricular dysfunction in patients with severe heart failure. The management of this disease can be challenging since it often..

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Impella to Unload the Left Ventricle During Peripheral Extracorporeal Membrane Oxygenation

Abstract Peripheral venoarterial extracorporeal membrane oxygenation (VA ECMO) for acute cardiac failure reestablishes normal oxygen delivery and perfusion. However, VA ECMO can be limited by insufficient ventricular unloading, resulting in..

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Inflow cannula position as risk factor for stroke in patients with HeartMate 3 left ventricular assist devices

Abstract Background A relation between the left ventricular assist device inflow cannula (IC) malposition and pump thrombus has been reported. This study aimed to investigate if the pump position, derived..

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PHYSIOLOGIC EFFECTS OF CONTINUOUS-FLOW LEFT VENTRICULAR ASSIST DEVICES

Abstract Background Within the past ten years, continuous-flow Left Ventricular Assist Devices (LVADS) have replaced pulsatile-flow LVADs as the standard of care for both destination therapy and bridging patients to..

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Concept and Design of a Novel Pulsatile Left Heart Assist Device—The PERKAT Left Ventricle System

Abstract Cardiogenic shock is associated with high mortality. Patients often require temporary mechanical circulatory support. We aimed to develop a percutaneously implantable, assist device that unloads the left ventricle (LV)..

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Use of Extracorporeal Membrane Oxygenation as Bridge to Replacement Therapies in Cardiogenic Shock: Insights From the Extracorporeal Life Support Organization

Abstract Background: There has been increasing use of extracorporeal membrane oxygenation (ECMO) as bridge to heart transplant (orthotopic heart transplant [OHT]) or left ventricular assist device (LVAD) over the last..

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Numerical study of the effect of LVAD inflow cannula positioning on thrombosis risk

Abstract Left ventricular assist devices (LVADs) have been increasingly used as a therapy for patients with end-stage heart failure. However, a growing number of clinical observations have shown that LVADs..

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Impact of left ventricular unloading using a peripheral Impella®-pump in eCPR patients

Abstract Background Extracorporeal cardiopulmonary resuscitation (eCPR) is a rapidly growing treatment strategy due to increasing survival rates in selected patients. Additional left ventricular mechanical unloading, using a transfemoral micro-axial blood..

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The Role of Serial Right Heart Catheterization Survey in Patients Awaiting Heart Transplant on Ventricular Assist Device

Abstract Current guidelines recommend serial right heart catheterization (RHC) to survey pulmonary hypertension in patients awaiting heart transplant. However, the role and impact of this surveillance is unclear in patients..

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Percutaneous venopulmonary artery extracorporeal membrane oxygenation for right heart failure after left ventricular assist device insertion

Abstract OBJECTIVES Right ventricular failure after left ventricular assist device (LVAD) insertion is associated with significant mortality and morbidity. Mechanical support options include right ventricular assist devices, venoarterial extracorporeal membrane..

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