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Extracorporeal Membrane Oxygenation: Experience In Acute Graft Failure After Heart Transplantation
ConclusionTemporary ECMO support for postoperative output failure is an acceptable option as a last resort for otherwise doomed patients with fatal graft failure after HTx. The small fraction of patients surviving, appear to have a decent long‐term prognosis.This article is protected by copyright. All rights reserved.
Source: Clinical Transplantation - April 1, 2014 Category: Transplant Surgery Authors: Sven Lehmann, Madlen Uhlemann, Christian D. Etz, Jens Garbade, Thomas Schroeder, Michael Borger, Martin Misfeld, Hartmuth B Bittner, Friedrich Wilhelm Mohr Tags: Original Article Source Type: research

Post-approval study of a highly pulsed, low-shear-rate, continuous-flow, left ventricular assist device, EVAHEART: A Japanese multicenter study using J-MACS
Conclusions: The EVAHEART device provides safe, reliable and long-term circulatory support with improved survival in commercial settings of BTT in Japan, where the transplant waiting period is much longer. Incidences of GI bleeding, hemolysis, right ventricular failure, device thrombosis and mechanical failure were extremely rare in patients on EVAHEART devices.
Source: The Journal of Heart and Lung Transplantation - March 6, 2014 Category: Transplant Surgery Authors: Satoshi Saito, Kenji Yamazaki, Tomohiro Nishinaka, Yuki Ichihara, Minoru Ono, Syunei Kyo, Takashi Nishimura, Takeshi Nakatani, Koichi Toda, Yoshiki Sawa, Ryuji Tominaga, Tadahisa Tanoue, Yoshikatsu Saiki, Yoshiro Matsui, Takahiro Takemura, Hiroshi Niinami Tags: Featured Articles Source Type: research

Association between cell-derived microparticles and adverse events in patients with nonpulsatile left ventricular assist devices
Background: Continuous-flow left ventricular assist devices (LVADs) expose blood cells to high shear stress, potentially resulting in the production of microparticles that express phosphatidylserine (PS+) and promote coagulation and inflammation. In this prospective study, we attempted to determine whether PS+ microparticle levels correlate with clinical outcomes in LVAD-supported patients.Methods: We enrolled 20 patients undergoing implantation of the HeartMate II LVAD (Thoratec Corp, Pleasanton, CA) and 10 healthy controls who provided reference values for the microparticle assays. Plasma was collected before LVAD implan...
Source: The Journal of Heart and Lung Transplantation - January 21, 2014 Category: Transplant Surgery Authors: Angelo Nascimbene, Ruben Hernandez, Joggy K. George, Anita Parker, Angela L. Bergeron, Subhashree Pradhan, K. Vinod Vijayan, Andrew Civitello, Leo Simpson, Maria Nawrot, Vei-Vei Lee, Hari R. Mallidi, Reynolds M. Delgado, Jing Fei Dong, O.H. Frazier Tags: Featured Articles Source Type: research

Use of Left Ventricular Assist Device (HeartMate II): A Singapore Experience
We report our experience with the HeartMate II (HMII) LVAD (Thoratec Corporation, Pleasanton, CA, USA) as a bridge‐to‐heart transplant in our center from 2009 to 2012. This was a retrospective review of 23 consecutive patients who underwent HMII LVAD implantation in our center between May 2009 and December 2012. All patients were classified as Interagency Registry for Mechanically Assisted Circulatory Support (INTERMACS) levels 1 to 3 and underwent LVAD implantation as a bridge‐to‐heart transplant. There were 17 male and 6 female patients. The mean age was 43.6 years old (range 14 to 64). The etiologies of heart fa...
Source: Artificial Organs - January 7, 2014 Category: Transplant Surgery Authors: Choon Pin Lim, Cumaraswamy Sivathasan, Teing Ee Tan, Chong Hee Lim, Ka Lee Kerk, David Kheng Leng Sim Tags: Main Text Article Source Type: research

Low-molecular-weight heparin for anti-coagulation after left ventricular assist device implantation
Conclusions: LMWH in the setting of LVAD shows rapid and constant biologic efficacy. Anti-coagulation with LMWH appears feasible after LVAD implantation. These findings support further evaluation of LMWH as an alternative to unfractionated heparin in this patient cohort.
Source: The Journal of Heart and Lung Transplantation - October 28, 2013 Category: Transplant Surgery Authors: Sigrid E. Sandner, Julia Riebandt, Thomas Haberl, Stephane Mahr, Angela Rajek, Heinrich Schima, George M. Wieselthaler, Guenther Laufer, Daniel Zimpfer Tags: Featured Articles Source Type: research

Gastrointestinal bleeding and subsequent risk of thromboembolic events during support with a left ventricular assist device
Background: Modern left ventricular assist devices (LVAD) require anti-coagulation (AC) with warfarin and anti-platelet therapy to prevent thromboembolic complications in patients. Gastrointestinal bleeding (GI) is a significant adverse event in these patients and treatment typically requires reduction or elimination of AC or anti-platelet therapy. It is not known whether alterations in AC to treat GI bleeding influence subsequent risk of thromboembolic (TE) events during LVAD support.Methods: Between July 2003 and September 2011, 389 patients (308 male) underwent implantation of a continuous-flow LVAD at the University of...
Source: The Journal of Heart and Lung Transplantation - September 9, 2013 Category: Transplant Surgery Authors: John M. Stulak, Dustin Lee, Jonathon W. Haft, Matthew A. Romano, Jennifer A. Cowger, Soon J. Park, Keith D. Aaronson, Francis D. Pagani Tags: Featured Articles Source Type: research

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