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Source: The Journal of Heart and Lung Transplantation
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Total 231 results found since Jan 2013.
Left Ventricular Assist Device Thrombosis In The Setting of Left Ventricular Recovery
Left ventricular assist device (LVAD) thrombosis has become increasingly recognized as a complication of mechanical circulatory support.1,2 Morbidity, including increased rate of stroke, and a marked increase in mortality are seen with LVAD thrombosis.1
Source: The Journal of Heart and Lung Transplantation - December 23, 2014 Category: Transplant Surgery Authors: Thomas E. Hurst, Nader Moazami, Randall C. Starling Source Type: research
First Implantation in Man of a New Magnetically Levitated Left Ventricular Assist Device (HeartMate III)
Outcomes of heart failure patients supported by a continuous flow left ventricular assist device (LVAD) have steadily improved over the past decade due in large part to better patient selection and management 1,2. Nevertheless, adverse events such as bleeding, infection, stroke and thrombus persist and limit the overall effectiveness of this therapy. Bleeding is the most common serious adverse event that results from the extensive surgery required for implantation and blood component damage due to shear forces in the small blood flow paths of current design axial-flow and centrifugal-flow pumps.
Source: The Journal of Heart and Lung Transplantation - March 7, 2015 Category: Transplant Surgery Authors: Jan D. Schmitto, Jasmin S. Hanke, Sebastian V. Rojas, Murat Avsar, Axel Haverich Source Type: research
Circulating Histone-Induced Lung Injury: A Novel Model of Damaged Lungs From Brain-Dead Donors
Histones, a component of nucleosomes, are released from dying cells into the blood circulation in patients with stroke. It has been also known that circulating histones can cause endothelial injury of the pulmonary vasculature. We hypothesized that a transient release of histones in the circulation cause endothelial damages in the brain-dead donor lungs that can lead severe re-perfusion injury after lung transplantation.
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: T. Murayama, M. Anraku, T. Murakawa, T. Yoshioka, M. Inui, N. Hiyama, M. Kawashima, T. Tsuchiya, J. Ichinose, H. Hino, K. Nagayama, J. Nitadori, K. Kakimi, J. Nakajima Source Type: research
Left Ventricular Assist Devices vs. the Total Artificial Heart: Which Causes More Cerebrovascular Accidents?
More recently, the continuous flow left ventricular assist devices (LVADs) have been more commonly used in patients (pts) with severe left heart failure. However, these devices also have risk for strokes, both ischemic and hemorrhagic. The Total Artificial Heart (TAH) has also been used in patients with biventricular heart failure at our single institution. Both continuous flow LVADs and TAH patients are systemically anti-coagulated with warfarin and aspirin. We sought to compare stroke rates between the LVAD patients and TAH pts.
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: C. Runyan, F. Arabia, L. Czer, M. Kittleson, E. Passano, F. Liou, J. Yabuno, H. Henry, D.H. Chang, J. Kobashigawa, J. Moriguchi Source Type: research
Effect of Preoperative Atrial Fibrillation on Clinical Outcomes After Continuous Flow-Left Ventricular Assist Device Therapy
Atrial fibrillation (AF) is the most common chronic cardiac arrhythmia, often found in patients with heart failure requiring a ventricular assist device. Our goal was to assess the effect of preoperative AF on the risk of thromboembolic (TE) events (hemolysis, stroke and/or TIA), clinical outcomes and survival in patients receiving a continuous-flow left ventricular assist device (CF-LVAD).
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: E. Lushaj, S. Akhter, T. Kohmoto, L. Lozonschi, M. Murray, S. Osaki Source Type: research
Temporal Distribution of Hematologic Complications During Berlin EXCOR Support
The Berlin Heart EXCOR trial demonstrated a high incidence of bleeding complications and stroke. Little is known, however, with regards to the timing of these events. The purpose of this study is to describe a single center experience with the Berlin EXCOR VAD, with a particular focus on the temporal distribution of these mutually related complications.
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: S. Burki, D.H. Mahoney, A. Jeewa, W. Zhang, E. McKenzie, D.L. Morales, C.M. Mery, J.S. Heinle, C.D. Fraser, I. Adachi Source Type: research
Thromboelastography/Platelet Mapping® and Aspirin: Is There Evidence of a Meaningful Dose-Response Relationship in Children Supported With the Berlin Heart EXCOR Ventricular Assist Device?
Thromboelastography with Platelet Mapping® (TEG/PM) is widely used to adjust the dose of Aspirin (ASA) for children supported with the Berlin Heart EXCOR Pediatric Ventricular Assist Device (VAD). The use of TEG/PM is controversial in part because stroke remains a common occurrence and TEG/PM has never been validated for this purpose. We sought to determine whether there is a meaningful correlation between the dose of ASA and the TEG/PM ‘percent arachadonic acid (%AA) inhibition’ value in children supported with the EXCOR.
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: L.J. May, C. Lo, T.M. Tesoro, J.L. Zehnder, S. Chen, J. Lee, M. Desai, D.B. McElhinney, D.N. Rosenthal, K. Maeda, C.S. Almond Source Type: research
Fortuity or Causality in Minimally Invasive LVAD Implantation: Relation Between Outflow Graft Height of Implantation Along the Ascending Aorta and Cerebral Ischemic Events
To evaluate whether the site of implantation of the outflow-graft on the ascending aorta is related to the incidence of cerebral ischemic stroke events in patients undergoing minimally-invasive-LVAD-implantation.
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: J. Bejko, T. Bottio, G. Bortolussi, M. Gallo, R. Bianco, V. Tarzia, A. Guariento, G. Gerosa Source Type: research
Percutaneous Driveline Infection Does Not Increase Subsequent Risk of Stroke and Pump Thrombus During Support With a Left Ventricular Assist Device
Percutaneous driveline infections (DLI) pose significant risk in patients supported with a left ventricular assist device (LVAD). While INTERMACS data suggests increased incidence of thromboembolic complications in close proximity following DLI, no study has specifically examined this association in a time-dependent manner and analyzed risk of subsequent events. We reviewed the Mechanical Circulatory Support (MCS) Research Network registry.
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: J. Van Meeteren, S. Maltais, S. Dunlay, N. Haglund, M.E. Davis, F.D. Pagani, K. Aaronson, J. Cowger, P. Shah, J.M. Stulak Source Type: research
Temporal Differences in Adverse Event Rates in Patients Bridged With the HeartWare Left Ventricular Assist Device
Left ventricular assist devices (LVAD) have significantly improved survival and quality of life in patients with advanced heart failure. However, these devices are associated with significant adverse events (AEs), particularly bleeding, infection, stroke and right heart failure. We sought to evaluate temporal differences in AE rates in patients bridged to transplantation.
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: S. Maltais, K.D. Aaronson, J.J. Teuteberg, M.S. Slaughter, S.S. Najjar, V. Jeevanandam, D.T. Pham, E.C. McGee, K. Najarian, R.L. Kormos Source Type: research
Driveline Infection Is Not Associated With Increased Risk of Thrombotic Events in CF-LVAD Patients
It has been debated whether anti-thrombotic therapy should be adjusted in the setting of driveline infection (DLI) as infection may lead to a pro-inflammatory state associated with platelet activation and increased risk of thrombotic complications. The aim of this study was to examine the relationship of DLI and thrombotic complications, notably stroke and device thrombosis (DT), in patients with continuous-flow LVADs.
Source: The Journal of Heart and Lung Transplantation - April 1, 2015 Category: Transplant Surgery Authors: J. Fried, B. Cagliostro, A. Levin, O. Wever-Pinzon, A.R. Garan, R. Te-Frey, K.O. Ronquillo, K. Takeda, H. Takayama, M. Yuzefpolskaya, D.M. Mancini, Y. Naka, P.C. Colombo, V. Topkara Source Type: research
A multicenter study of the HeartWare HVAD ventricular assist device in small children
Continuous-flow ventricular assist devices (CF-VADs), designed for body surface areas (BSA) ≥1.2 m², have improved survival free from stroke and device failure in adults compared to pulsatile device.1 First experiences in larger children with these CF-VADs have been promising.2 However, a large proportion of children needing long-term support as a bridge to heart transplantation (HTx) have a BSA of ≤1m². These small children can be successfully supported with paracorporeal pulsatile devices.3 However, the rate of thromboembolic events continue to be an ongoing concern.
Source: The Journal of Heart and Lung Transplantation - January 18, 2016 Category: Transplant Surgery Authors: O. Miera, R. Kirk, H. Buchholz, K.R.L. Schmitt, C. VanderPluym, I.M. Rebeyka, N. Wrightson, F. Berger, M. Griselli, J. Conway Source Type: research
A multicenter study of the HeartWare ventricular assist device in small children
Continuous-flow ventricular assist devices (CF-VADs), designed for patients with a body surface area (BSA) ≥1.2 m2, have improved survival free from stroke and device failure in adults compared with pulsatile devices.1 Initial experiences in larger children with these CF-VADs have been promising2; however, a large proportion of children needing long-term support as a bridge to heart transplantation (HTx) have a BSA of ≤1 m2. These small children can be successfully supported with paracorporeal pulsatile devices,3 yet rates of thromboembolic events continue to be an ongoing concern.
Source: The Journal of Heart and Lung Transplantation - January 18, 2016 Category: Transplant Surgery Authors: Oliver Miera, Richard Kirk, Holger Buchholz, Katharina R.L. Schmitt, Christina VanderPluym, Ivan M. Rebeyka, Neil Wrightson, Felix Berger, Massimo Griselli, Jennifer Conway Tags: Research Correspondence Source Type: research
Surgical occlusion of the left atrial appendage and thromboembolic complications in left ventricular assist device patients
Thromboembolic complications (TEC) are major adverse events for patients supported by left ventricular assist devices (LVADs). Despite anticoagulation, TEC such as stroke or pump thrombosis still occur in 6.5% of patients.1 Risk of TEC increases with longer duration of device support and is likely a greater risk in destination therapy patients. Surgical or percutaneous occlusion of the left atrial appendage (LAAO) reduces TEC in patients with atrial fibrillation.2,3 The LAA may also be a source of thromboembolism for systolic heart failure patients, even in sinus rhythm.
Source: The Journal of Heart and Lung Transplantation - January 29, 2017 Category: Transplant Surgery Authors: Rebecca S. Lewis, Lian Wang, Kateri J. Spinelli, Gary Y. Ott, Jacob Abraham Source Type: research
Surgical occlusion of the left atrial appendage and thromboembolic complications in patients with left ventricular assist devices
Thromboembolic complications (TECs) are major adverse events for patients supported by left ventricular assist devices (LVADs). Despite anti-coagulation, TECs such as stroke or pump thrombosis occur in 6.5% of patients.1 Risk of TECs increases with longer duration of device support, and the risk is likely greater in patients receiving LVADs as destination therapy. Surgical or percutaneous occlusion of the left atrial appendage (LAA) reduces TECs in patients with atrial fibrillation.2,3 The LAA may also be a source of thromboembolism for patients with systolic heart failure, including patients in sinus rhythm.
Source: The Journal of Heart and Lung Transplantation - January 29, 2017 Category: Transplant Surgery Authors: Rebecca S. Lewis, Lian Wang, Kateri J. Spinelli, Gary Y. Ott, Jacob Abraham Tags: Research Correspondence Source Type: research
