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Transplant heart and lung

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https://www.readbyqxmd.com/read/28912844/triptolide-inhibits-cd4-memory-t-cell-mediated-acute-rejection-and-prolongs-cardiac-allograft-survival-in-mice
#1
Shuiwei Qiu, Dingliang Lv
There have been numerous investigations into the immunosuppressive effects of triptolide; however, its inhibitory effects on memory T cells remain to be elucidated. Using a cluster of differentiation (CD)4(+) memory T-cell transfer model, the aim of the present study was to determine the inhibitory effects of triptolide on CD4(+) memory T cell-mediated acute rejection and to determine the potential underlying mechanisms. At 4 weeks after skin transplantation, mouse cervical heart transplantation was performed following the transfer of CD4(+) memory T cells...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28904266/clinical-impact-of-main-pulmonary-artery-dilatation-on-outcome-in-pediatric-idiopathic-and-heritable-pulmonary-arterial-hypertension
#2
Satoshi Ikehara, Shinichi Takatsuki, Tomotaka Nakayama, Kazuyuki Naoi, Hiroyuki Matsuura, Tsutomu Saji
BACKGROUND: Few studies have investigated the clinical impact of pulmonary artery (PA) dilatation on outcomes in pediatric pulmonary arterial hypertension (PAH).Methods and Results:This study investigated the clinical outcomes of idiopathic or heritable PAH in 66 children aged <18 years at diagnosis. Main PA/thorax (MPA/T) ratio was measured on chest radiography in PAH patients. Patients were divided into 2 groups based on MPA/T ratio, and compared with a control group of 166 age- and gender-matched healthy children...
September 13, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28884991/acute-cardiac-disease-in-a-patient-with-hyper-ige-syndrome
#3
A Castilano, H Watti, A Abdulbaki, K Modi, J A Bocchini, S L Bahna
We describe the case of a 24-year-old male with hyper-IgE syndrome (HIES) which was diagnosed at 4 years of age and died from a very rare cardiac complication. He had typical clinical and laboratory manifestations of HIES, including total serum IgE as high as > 100,000 IU/mL. Stem cell transplantation was not available. During the 20-year follow-up, he suffered numerous various infections of the skin and deep organs, partial lung resection, as well as multiple bone fractures. At age 24, he developed acute decompensated heart failure associated with elevated serum troponin I and brain natriuretic protein...
September 2017: European Annals of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/28881060/outcome-of-kidney-transplant-in-primary-repeat-and-kidney-after-nonrenal-solid-organ-transplantation-15-year-analysis-of-recent-unos-database
#4
A El-Husseini, A Aghil, J Ramirez, B Sawaya, N Rajagopalan, M Baz, X Mei, D L Davenport, R Gedaly
The number of nonrenal solid organ transplants increased substantially in the last few decades. Many of these patients develop renal failure and receive kidney transplantation. The aim of this study is to evaluate patient and kidney allograft survival in primary, repeat, and kidney after nonrenal organ transplantation using national data reported to United Network for Organ Sharing (UNOS) from January 2000 through December 2014. Survival time for each patient was stratified into the following: Group A (comparison group) - recipients of primary kidney transplant (178,947 patients), Group B - recipients of repeat kidney transplant (17,819 patients), and Group C - recipients of kidney transplant performed after either a liver, heart, or lung transplant (2,365 patients)...
September 7, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28877978/how-i-manage-pulmonary-langerhans-cell-histiocytosis
#5
Gwenaël Lorillon, Abdellatif Tazi
Pulmonary Langerhans cell histiocytosis (PLCH) is a rare sporadic cystic lung disease of unknown aetiology that is characterised by the infiltration and destruction of the wall of distal bronchioles by CD1a(+) Langerhans-like cells. In adults, PLCH is frequently isolated and affects young smokers of both sexes. Recent multicentre studies have led to the more standardised management of patients in clinical practice. Smoking cessation is essential and is occasionally the only suitable intervention. Serial lung function testing is important because a significant proportion of patients may experience an early decline in forced expiratory volume in 1 s and develop airflow obstruction...
September 30, 2017: European Respiratory Review: An Official Journal of the European Respiratory Society
https://www.readbyqxmd.com/read/28877040/ischemic-conditioning-in-solid-organ-transplantation-is-it-worth-giving-your-right-arm-for
#6
Luxme Nadarajah, Muhammed M Yaqoob, Kieran McCafferty
PURPOSE OF REVIEW: Ischemia reperfusion injury (IRI) is an inevitable complication in solid organ transplantation. Limiting this injury can increase patient and graft survival and can decrease complications associated with transplantation. We provide an extensive literature review analyzing the available evidence for ischemic conditioning in solid organ transplantation, including kidney, liver, heart, and lung. RECENT FINDINGS: Ischemic conditioning strategies are a group of interventions, characterized by episodes of ischemia and reperfusion to an organ which confirm tissue protection...
September 5, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28871936/xanthoma-like-skin-changes-in-an-elderly-woman-with-a-normal-lipid-profile
#7
Piotr Nockowski, Zdzisław Woźniak, Adam Reich, Joanna Maj
Dear Editor, An 83-year-old woman developed yellow-brownish infiltrates, nodules, and tumors mimicking xanthomas, mostly involving the periorbital and chest area within three months (Figure 1). She had no abnormalities in serum cholesterol or triglycerides levels. A detailed laboratory analysis revealed the presence of mild monoclonal gammopathy with a presence of immunoglobulin G (IgG) kappa light chains; however, according to hematologist consultation, it did not require medical intervention. Imaging assessment and ultrasound examination did not show any specific involvement of internal organs...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28865096/the-predictive-value-of-coronary-artery-calcium-detected-by-computed-tomography-in-a-prospective-study-on-cardiac-allograft-vasculopathy-in-heart-transplant-patients
#8
Anne Günther, Rune Andersen, Einar Gude, Jarl Jakobsen, Thor Edvardsen, Leiv Sandvik, Andreas Abildgaard, Lars Aaberge, Lars Gullestad
The predictive value of coronary artery calcium (CAC) in heart transplant (HTX) patients is not established. We explored if the absence of CAC on computed tomography (CT) could exclude moderate and severe cardiac allograft vasculopathy (CAV₂₋₃; the International Society for Heart and Lung Transplantation [ISHLT] recommended nomenclature) and significant coronary artery stenosis (diameter reduction ≥50%), and predict long-term clinical outcomes. HTX recipients (n=133) were prospectively included and underwent CT for CAC scoring and invasive coronary angiography (ICA) 7...
September 2, 2017: Transplant International: Official Journal of the European Society for Organ Transplantation
https://www.readbyqxmd.com/read/28864337/complement-genomics-and-antibody-mediated-rejection-in-heart-recipients
#9
EDITORIAL
Javier Carbone
In this issue of the Journal of Heart and Lung Transplantation, Marrón-Liñares et al report the results of an interesting study in which they evaluated 51 genes associated with the complement pathway in a small number of heart recipients to explore their relationship with antibody-mediated rejection (AMR). Next-generation sequencing was used in 46 heart transplant recipients (23 with AMR and 23 without AMR). The authors identified a significant association of 2 single-nucleotide polymorphisms with the absence or presence of AMR, respectively, p...
August 19, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28858185/lumbar-spine-fusion-surgery-in-solid-organ-transplant-recipients-is-associated-with-increased-medical-complications-and-mortality
#10
Raj Amin, Varun Puvanesarajah, Rabia Qureshi, Amit Jain, Khaled Kebaish, Frank Shen, Hamid Hassanzadeh
STUDY DESIGN: Retrospective database review OBJECTIVE.: To characterize the outcomes of solid organ transplant (SOT) patients following 1 or 2 level lumbar fusion surgery. SUMMARY OF BACKGROUND DATA: Over the past decade advances in SOT patients have improved graft survival. As such, this patient population is increasingly eligible for elective surgery such as lumbar fusion procedures to improve mobility and quality of life. However, the outcomes of spine surgery in this population is not well defined...
August 29, 2017: Spine
https://www.readbyqxmd.com/read/28856244/design-and-methods-of-the-korean-organ-transplantation-registry
#11
Jaeseok Yang, Jong Cheol Jeong, Joongyub Lee, Young Hoon Kim, Hyo Chae Paik, Jae-Joong Kim, Hyun-Young Park, Myoung Soo Kim, Curie Ahn
BACKGROUND: Beneficial aspects of solid organ transplantation, which encompass survival benefit, improved quality of life, and cost efficacy, have been clearly demonstrated. However, regional and ethnic differences require further studies to identify prognostic factors and transplant outcomes against various backgrounds. After previous efforts of a nationwide, retrospective study on the kidney transplant outcomes in Korea, a new prospective-designed version of the Korean Organ Transplantation Registry (KOTRY) was launched in 2014...
August 2017: Transplantation Direct
https://www.readbyqxmd.com/read/28841655/lower-frequency-routine-surveillance-endomyocardial-biopsies-after-heart-transplantation
#12
Ludwig T Weckbach, Ulrich Maurer, Rene Schramm, Bruno C Huber, Korbinian Lackermair, Max Weiss, Bruno Meiser, Christian Hagl, Steffen Massberg, Sandra Eifert, Ulrich Grabmaier
In heart transplantation (HTx) patients, routine surveillance endomyocardial biopsies (rsEMB) are recommended for the detection of early cardiac allograft rejection. However, there is no consensus on the optimal frequency of rsEMB. Frequent rsEMB have shown a low diagnostic yield in the new era of potent immunosuppressive regimen. Efficacy and safety of lower frequency rsEMB have not been investigated so far. In this retrospective, single centre, observational study we evaluated 282 patients transplanted between 2004 and 2014...
2017: PloS One
https://www.readbyqxmd.com/read/28838430/breakthrough-in-the-transplantation-of-thoracic-organs-in-hungary
#13
F Rényi-Vámos, I Hartyánszky, Z Szabolcs, G Lang
In 2016 the focus was, by all means, on the transplantation on thoracic organs. More than 50 heart transplantations were performed in this year. With this achievement, the Hungarian Heart Transplantation Program became one of the leading programs in the world. In the Thoracic Surgery Unit of the National Institute of Oncology and the Thoracic Surgery Department of Semmelweis University the first successful lung transplantation was carried out on December 12, 2015 when the Hungarian Lung Transplantation Program was launched...
September 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28833357/prothrombin-complex-concentrate-reduces-blood-product-utilization-in-heart-transplantation
#14
Daniel H Enter, Anthony L Zaki, Megan Marsh, Nikki Cool, Jane Kruse, Zhi Li, Adin-Cristian Andrei, Adam Iddriss, Patrick M McCarthy, S Chris Malaisrie, Allen Anderson, Jonathan D Rich, Duc Thinh Pham
BACKGROUND: Current practices for the reversal of warfarin prior to cardiac surgery include the use of vitamin K and fresh frozen plasma (FFP) to reduce the risk of bleeding. Although the 2010 International Society of Heart and Lung Transplantation guidelines acknowledge the use of PCC (Prothrombin Complex Concentrate), there is no clear consensus on its efficacy. The objective of this study was to assess the efficacy of 4-factor Prothrombin Complex Concentrate (4-F PCC) administration in patients requiring warfarin reversal prior to heart transplantation by determining blood product utilization perioperatively...
August 22, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28819824/-update-pulmonary-arterial-hypertension-definitions-diagnosis-therapy
#15
N Sommer, M J Richter, K Tello, F Grimminger, W Seeger, H A Ghofrani, H Gall
The term pulmonary arterial hypertension comprises a group of pulmonary vascular diseases of different etiologies that are characterized by similar precapillary vascular remodeling processes and result in exertional dyspnea and right heart insufficiency. The specific pharmacological treatment approach considers the risk of mortality and phenotypical properties and includes treatment with phosphodiesterase type 5 inhibitors, endothelin receptor antagonists and prostanoids, as well as with more novel substances, such as a soluble guanylyl cyclase stimulator and an oral prostacyclin receptor agonist...
August 17, 2017: Der Internist
https://www.readbyqxmd.com/read/28818404/report-of-the-ishlt-working-group-on-primary-lung-graft-dysfunction-part-iii-mechanisms-a-2016-consensus-group-statement-of-the-international-society-for-heart-and-lung-transplantation
#16
EDITORIAL
Andrew E Gelman, Andrew J Fisher, Howard J Huang, Maher A Baz, Ciara M Shaver, Thomas M Egan, Micheal S Mulligan
No abstract text is available yet for this article.
July 24, 2017: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/28810825/regulatory-t-cell-levels-in-the-longest-surviving-asian-patient-after-heart-lung-transplant
#17
Lei Huang, Ming Ji, Shounan Yi, Xinmin Zhou
Heart-lung transplant is the most effective therapy for patients with end-stage cardiopulmonary disease. Here, we report an initial assessment of a 31-year-old man who had survived more than 11 years after heart-lung transplant, which represents the longest survival time in this procedure in Asian studies. At his 11th anniversary after transplant, extensive tests were carried out, especially to detect regulatory T-cell levels for the first time in a surviving heart-lung transplant recipient. Preliminarily data revealed the status of his immunologic function in relation to chronic allograft rejection...
August 13, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28808947/the-sydney-heart-bank-improving-translational-research-while-eliminating-or-reducing-the-use-of-animal-models-of-human-heart-disease
#18
REVIEW
C G Dos Remedios, S P Lal, A Li, J McNamara, A Keogh, P S Macdonald, R Cooke, E Ehler, R Knöll, S B Marston, J Stelzer, H Granzier, C Bezzina, S van Dijk, F De Man, G J M Stienen, J Odeberg, F Pontén, W Linke, J van der Velden
The Sydney Heart Bank (SHB) is one of the largest human heart tissue banks in existence. Its mission is to provide high-quality human heart tissue for research into the molecular basis of human heart failure by working collaboratively with experts in this field. We argue that, by comparing tissues from failing human hearts with age-matched non-failing healthy donor hearts, the results will be more relevant than research using animal models, particularly if their physiology is very different from humans. Tissue from heart surgery must generally be used soon after collection or it significantly deteriorates...
August 14, 2017: Biophysical Reviews
https://www.readbyqxmd.com/read/28805292/incidence-and-outcomes-of-primary-central-nervous-system-lymphoma-in-solid-organ-transplant-recipients
#19
Parag Mahale, Meredith S Shiels, Charles F Lynch, Eric A Engels
Primary central nervous system lymphoma (PCNSL) risk is greatly increased in immunosuppressed human immunodeficiency virus-infected people. Using data from the US transplant registry linked with 17 cancer registries (1987-2014), we studied PCNSL and systemic non-Hodgkin lymphoma (NHL) in 288 029 solid organ transplant recipients. Transplant recipients had elevated incidence for PCNSL compared with the general population (standardized incidence ratio = 65.1; N = 168), and this elevation was stronger than for systemic NHL (standardized incidence ratio=11...
August 14, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28802530/report-of-the-international-society-for-heart-and-lung-transplantation-working-group-on-primary-lung-graft-dysfunction-part-ii-epidemiology-risk-factors-and-outcomes-a-2016-consensus-group-statement-of-the-international-society-for-heart-and-lung-transplantation
#20
EDITORIAL
Joshua M Diamond, Selim Arcasoy, Cassie C Kennedy, Michael Eberlein, Jonathan P Singer, Glenda M Patterson, Jeffrey D Edelman, Gundeep Dhillon, Tahuanty Pena, Steven M Kawut, James C Lee, Reda Girgis, John Dark, Gabriel Thabut
No abstract text is available yet for this article.
July 26, 2017: Journal of Heart and Lung Transplantation
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