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Journal and News Scan

Source: JAMA
Submitted by: Mark Ferguson
March 3, 2015
Author(s): Justin M. Schaffer; Steve K. Singh; Bruce A. Reitz; Roham T. Zamanian; Hari R. Mallidi
The impact of the new Lung Allocation Score (implemented in 2005) on outcomes of single and double lung transplants for IPF and COPD was explored.  After controlling for confounders with propensity score techniques, DLT was associated with better graft survival for IPF but there was no difference in graft survival between DLT and SLT for COPD patients.
Source: EJCTS
Submitted by: CTSNet Staff
March 3, 2015
Author(s): Zongli Ren, Zhiwei Wang, Rui Hu, Hongbing Wu, Hongping Deng, Zhen Zhou, Xiaoping Hu, and Wanli Jiang
This meta-analysis compares short-term mortality, neurological dysfunction and malperfusion in patients who underwent acute type A aortic dissection (AAD) repair with axillary artery cannulation (AXC) compared to femoral artery cannulation (FAC).
Source: EJCTS
Submitted by: CTSNet Staff
March 3, 2015
Author(s): Barbara Oberwallner, Andreja Brodarac, Petra Anić, Tomo Šarić, Katharina Wassilew, Klaus Neef, Yeong-Hoon Choi, and Christof Stamm
In in-vitro experiments, human cardiac extracellular matrix supported proliferation and cardiomyocyte differentiation of murine embryonic stem cells and induced pluripotent stem cells. Artificial matrices did not promote differentiation.
Source: EJCTS
Submitted by: CTSNet Staff
March 3, 2015
Author(s): Hideo Ohuchi, Kenji Yasuda, Aya Miyazaki, Shin Ono, Yosuke Hayama, Jun Negishi, Kanae Noritake, Masanori Mizuno, and Osamu Yamada
412 Fontan patients were evaluated retrospectively for long-term correlations between postoperative haemodynamics and anticoagulant regimens with haemostatic events. Thrombo-embolic events were observed in 2.7% and haemorrhagic events in 4.4% of patients. Risk factors are analysed for both short- and long-term complications.
Source: Annals of Thoracic Surgery
Submitted by: Mark Ferguson
March 2, 2015
Author(s): Shinji Otani, Bronwyn J. Levvey, Glen P. Westall, Miranda Paraskeva, Helen Whitford, Trevor Williams, David C. McGiffin, Rowan Walker, Solomon Menahem, Gregory I. Snell
This study evaluated outcomes of synchronous or delayed kidney Tx in patients with lung or heart-lung transplant.  Delayed living-donor kidney Tx was associated with favorable outcomes.  Synchronous cadaver kidney transplant at the time of heart-lung or lung transplant was clinically challenging.
Source: Annals of Thoracic Surgery
Submitted by: Mark Ferguson
March 2, 2015
Author(s): Sara K. Pasquali, Xia He, Jeffrey P. Jacobs, Marshall L. Jacobs, Michael G. Gaies, Samir S. Shah, Matthew Hall, J. William Gaynor, Eric D. Peterson, John E. Mayer, Jennifer C. Hirsch-Romano
This study examined the utility/accuracy of an administrative database compared to the STS Congenital Database for the outcome of mortality, which is used to rank quality.  The administrative database had substantially lower volume and mortality numbers than the STS Database, resulting in ranking differences of 5 or more places for 24% of hospitals.
Source: Annals of Thoracic Surgery
Submitted by: Mark Ferguson
March 2, 2015
Author(s): Colleen G. Koch, Edmunds Z. Reineks, Anne S. Tang, Eric D. Hixson, Shannon Phillips, Joseph F. Sabik, J. Michael Henderson, Eugene H. Blackstone
The frequency of blood draws after cardiac surgery is rarely tracked.  This study tracked such activity for a 6-month period at the Cleveland Clinic.  In over 1,800 pts, the average number of tests requiring blood was 115.  Total average blood volume removed was 454 ml.  The average for complex procedures was 653 ml.  This system is ripe for process improvement.
Source: Annals of Thoracic Surgery
Submitted by: Mark Ferguson
March 2, 2015
Author(s): James J. Pilla, Kevin J. Koomalsingh, Jeremy R. McGarvey, Walter R.T. Witschey, Larry Dougherty, Joseph H. Gorman, Robert C. Gorman
This interesting article mapped myocardial remodeling in swine after induced MI using serial 3D MRI imaging.  Principal strain magnitude and angle were measured, and demonstrated progressive decrease in magnitude and angle rotation away from the site of injury, resulting in adverse remodeling and decreased contractility. 
Source: Journal of Thoracic and Cardiovascular Surgery
Submitted by: Arie Blitz
March 2, 2015
Author(s): Vincenzo Tarzia, Giacomo Bortolussi, Roberto Bianco, Edward Buratto, Jonida Bejko, Massimiliano Carrozzini, Marco De Franceschi, Dario Gregori, Dario Fichera, Fabio Zanella, Tomaso Bottio, Gino Gerosa
The authors retrospectively analyze outcomes for patients placed on ECMO for cardiogenic shock, and separately analyze the patients depending on whether the ECMO support was for isolated acute cardiogenic shock or for acute-upon-chronic cardiogenic shock.  Over a 4-year period, 37 (58%) patients fell into the isolated acute category, and 27 (42%) in the acute-upon-chronic category.  Overall 30-day survival was 80%, with a hospital discharge rate of 59%.  Not surprisingly, the only patients who recovered cardiac function were in the isolated acute group.  The acute-upon-chronic category required bridging, either to heart transplantation or mechanical circulatory support.
Source: Annals of Thoracic Surgery
Submitted by: Arie Blitz
March 2, 2015
Author(s): Alberto Forteza, Jorge Centeno, Victor Ospina, Inés García Lunar, Violeta Sánchez, Enrique Pérez, María Jesús López, José Cortina
This retrospective review of outcomes after reconstruction of the intervalvular fibrous trigone combined with aortic and mitral valve replacement  tracked patients who were operated upon for either severe endocarditis (n=26) or severe calcification (n=14) involving the trigone.  The David Technique for reconstruction was used, and the operative mortality for these complex operations was 15% and 7%, respectively.  Despite high operative risk and complexity, the authors from Madrid show that this operation can be performed with respectable morbidity and mortality rates.

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