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Condition: Thrombosis
Procedure: Transplants

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Total 252 results found since Jan 2013.

Early power elevations and adverse events with the HeartMate II left ventricular assist device: An unsettled issue
In a recent issue of this journal, Salerno et al1 evaluated the prevalence and potential impact of early power elevation (PEL) events (power ≥10 W in the first 14 days after implant) on future adverse outcomes, including mortality, hemorrhagic and ischemic stroke, hemolysis and pump thrombosis, among 138 patients requiring implantation of a HeartMate II left ventricular assist device (LVAD). Patients with a PEL (20%) had similar survival, complications rates and late power elevations compared with patients without a PEL.
Source: The Journal of Heart and Lung Transplantation - September 10, 2014 Category: Transplant Surgery Authors: Omar Wever-Pinzon, Ulrich P. Jorde Tags: Case Anecdotes, Comments and Opinions Source Type: research

Postoperative Stroke Following Administration of Intraoperative Recombinant Tissue Plasminogen Activator for the Treatment of Intracardiac Thrombus During Liver Transplantation: A Report of Two Cases
MASSIVE INTRACARDIAC AND PULMONARY thromboembolism have an extremely high mortality during liver transplantation.1,2 The authors describe 2 cases in which intraoperative use of tissue plasminogen activator was able to reduce the thrombus size and improve hemodynamics during liver transplantation. Although both patients survived the surgery, they suffered neurologic sequelae postoperatively. The authors discuss the current understanding of the pathophysiology, diagnosis, and management of intracardiac thromboembolism during liver transplantation.
Source: Journal of Cardiothoracic and Vascular Anesthesia - October 22, 2014 Category: Anesthesiology Authors: Stephen Aniskevich, Beth L. Ladlie, Sher-Lu Pai, Dana K. Perry, Juan M. Canabal, C. Burcin Taner Tags: Case Report Source Type: research

Intraluminal Cell Transplantation Prevents Growth and Rupture in a Model of Rupture-Prone Saccular Aneurysms Basic Sciences
Conclusions— Lack of smooth muscle cells in the aneurysm wall promotes wall degradation, aneurysm growth and rupture, even if the aneurysm is occluded by luminal thrombus. Transplantation of smooth muscle cells into the luminal thrombus can reduce this degenerative remodeling.
Source: Stroke - November 24, 2014 Category: Neurology Authors: Marbacher, S., Frosen, J., Marjamaa, J., Anisimov, A., Honkanen, P., von Gunten, M., Abo-Ramadan, U., Hernesniemi, J., Niemela, M. Tags: Animal models of human disease, Arterial thrombosis, Other Vascular biology Basic Sciences Source Type: research

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

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

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

Impact of Renal Impairment on Cardiovascular Disease Mortality After Liver Transplantation for Nonalcoholic Steatohepatitis Cirrhosis
ConclusionNASH recipients have an increased risk of CVD mortality after liver transplantation explained by a high prevalence of co‐morbid cardiometabolic risk factors that in aggregate identify those at highest risk of post‐transplant CVD mortality.This article is protected by copyright. All rights reserved.
Source: Liver International - May 15, 2015 Category: Gastroenterology Authors: Lisa B. VanWagner, Brittany Lapin, Anton I. Skaro, Donald M. Lloyd‐Jones, Mary E. Rinella Tags: Original Article Source Type: research

Readmissions After Continuous Flow Left Ventricular Assist Device Implantation: Differences Observed Between Two Contemporary Device Types
Readmissions after continuous flow left ventricular assist devices implantation are common. We compared the frequency and etiology of readmissions between two continuous flow left ventricular assist devices 6 months after implant. We retrospectively assessed readmissions in 81 patients who received a bridge to transplant HeartMate-II (HM-II) n = 35, 43% or HeartWare (HW) n = 46, 57%, from 2009 to 2014. Readmissions were divided into cardiac, infection, gastrointestinal bleeding, stroke, pump thrombosis, and miscellaneous profiles. Age, gender, creatinine, INTERMACS profiles were comparable between groups (p> 0.05). Sixty-o...
Source: ASAIO Journal - July 1, 2015 Category: Medical Equipment Tags: Adult Circulatory Support Source Type: research

FDA warns on potential LVAD issues
The FDA published a safety communication today warning about issues with implantable left ventricular assist devices. The federal watchdog referenced specific issues with both approved implantable LVADs: Thoratec’s HeartMate II and HeartWare’s HVAD system. Adverse events referenced included increased rate of pump thrombosis with the HeartMate II and a high rate of stroke with HeartWare’s HVAD, as well as bleeding complications associated with both devices. The FDA said they have received reports and information from a “variety of sources indicating an increase in the rate of pump thrombosis events i...
Source: Mass Device - August 5, 2015 Category: Medical Equipment Authors: Fink Densford Tags: Cardiac Assist Devices Cardiac Implants Cardiovascular Food & Drug Administration (FDA) HeartWare International Inc. St. Jude Medical Thoratec Corp. Source Type: news

Cerebral air embolism during CT-guided lung biopsy
A patient with cirrhosis and hepatocellular carcinoma, on the waiting list for liver transplantation, presented with lung nodule during initial evaluation. A CT-guided core needle lung biopsy under general anaesthesia was performed. Pneumothorax (figure 1) and a large amount of gas within the left ventricle (figure 2) were identified during the procedure. Neurological focal signs (drowsiness, conjugate eye deviation and right hemiparesis) were observed in the anaesthesia-recovery period. A brain CT scan was immediately obtained, showing cerebral air embolism (figure 3). Initial resuscitation and hyperbaric oxygen therapy w...
Source: Thorax - October 14, 2015 Category: Respiratory Medicine Authors: Rocha, R. D., Azevedo, A. A., Falsarella, P. M., Rahal, A., Garcia, R. G. Tags: Images in Thorax, Journalology, Screening (oncology), Venous thromboembolism, Pulmonary embolism, Transplantation, Ethics Chest clinic Source Type: research

Outcomes of ventricular assist device implantation in children and young adults: the Melbourne experience
ConclusionsChildren requiring pre‐transplant VAD support have a higher mortality and morbidity compared with young adults. Survival after heart transplantation those supported with VADs was similar to patients of similar age who did not require pre‐transplant support.
Source: ANZ Journal of Surgery - November 27, 2015 Category: Surgery Authors: William Y. Shi, Silvana F. Marasco, Pankaj Saxena, Yves d'Udekem, Matthew S. Yong, Sergei Mitnovetski, Christian P. Brizard, David C. McGiffin, Robert G. Weintraub, Igor E. Konstantinov Tags: Original Article Source Type: research

Short and long term outcomes of 200 patients supported by continuous-flow left ventricular assist devices.
CONCLUSION: Short and long term survival for patients on LVAD support are excellent, although outcomes still remain inferior compared to heart transplantation. The incidence of driveline infections, pump thrombosis and pump exchange have declined significantly in recent years. PMID: 26635927 [PubMed - as supplied by publisher]
Source: World Journal of Cardiology - November 26, 2015 Category: Cardiology Authors: Tsiouris A, Paone G, Nemeh HW, Borgi J, Williams CT, Lanfear DE, Morgan JA Tags: World J Cardiol Source Type: research

Fully Magnetically Levitated Left Ventricular Assist System for Treating Advanced HF A Multicenter Study
ConclusionsThe results show that the fully magnetically levitated centrifugal-flow chronic LVAS is safe, with high 30-day and 6-month survival rates, a favorable adverse event profile, and improved quality of life and functional status. (HeartMate 3™ CE Mark Clinical Investigation Plan [HM3 CE Mark]; NCT02170363)
Source: Journal of the American College of Cardiology - December 7, 2015 Category: Cardiology Source Type: research

Mechanical circulatory support: balancing bleeding and clotting in high-risk patients.
Authors: Baumann Kreuziger L, Massicotte MP Abstract Mechanical circulatory support (MCS) provides a bridge to heart transplant in children and adults with life-threatening heart failure and sustains patients ineligible for transplant. Extracorporeal membrane oxygenation (ECMO) provides temporary support for patients in cardiac or pulmonary failure through external gas exchange and continuous flow of blood. Because the median time to heart transplant exceeds event-free time on ECMO, pulsatile left ventricular assist devices (LVADs) are used to support infants and children. Continuous flow LVADs are preferred in ado...
Source: Hematology ASH Education Program - December 10, 2015 Category: Hematology Tags: Hematology Am Soc Hematol Educ Program Source Type: research