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https://www.readbyqxmd.com/read/29656530/mycobacterium-tuberculosis-after-solid-organ-transplantation-a-review-of-more-than-2000-cases
#1
Cybele Lara R Abad, Raymund R Razonable
BACKGROUND: Mycobacterium tuberculosis (TB) is a common pathogen worldwide, and it may cause significant infection after solid organ transplantation (SOT). We reviewed all reported TB cases to provide an update on its epidemiology, clinical presentation, management and outcome after SOT. METHODS: MEDLINE, EMBASE, and OVID were reviewed from January 1, 1998 to Dec 31, 2016 using key words tuberculosis and solid organ transplant or transplantation. RESULTS: There were 187 publications reporting 2082 cases of TB among kidney (n=1719), liver (n=253), heart (n=77), lung (n=25), and kidney-pancreas (n=8) recipients...
April 15, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29656065/penile-prosthesis-in-solid-organ-transplant-recipients-a-matched-cohort-study
#2
Andrew Y Sun, Paurush Babbar, Bradley C Gill, Kenneth W Angermeier, Drogo K Montague
OBJECTIVES: To determine whether solid organ transplant (SOT) patients are at higher risk of developing complications after inflatable penile prosthesis (IPP) implantation. METHODS: We retrospectively reviewed outcomes data for all patients with SOT who underwent IPP placement at our institution. A cohort of age-matched IPP recipients without SOT were used as controls. RESULTS: We identified 26 patients who underwent SOT and IPP between 1999-2015, and 26 controls...
April 12, 2018: Urology
https://www.readbyqxmd.com/read/29655822/clinical-spectrum-and-management-of-heart-failure-in-hypertrophic-cardiomyopathy
#3
REVIEW
Barry J Maron, Ethan J Rowin, James E Udelson, Martin S Maron
Heart failure (HF), characterized by excessive exertional dyspnea, is a common complication within the broad clinical spectrum of hypertrophic cardiomyopathy (HCM). HF has become an increasingly prominent management issue with the reduction in sudden deaths due to use of implantable defibrillators in this disease. Exertional dyspnea ranges in severity from mild to severe (New York Heart Association functional classes II to IV) and not uncommonly becomes refractory to medical management, leading to progressive disability, but largely in the absence of pulmonary congestion and volume overload requiring hospitalization...
April 5, 2018: JACC. Heart Failure
https://www.readbyqxmd.com/read/29655662/evaluation-of-low-intensity-anti-coagulation-with-a-fully-magnetically-levitated-centrifugal-flow-circulatory-pump-the-magentum-1-study
#4
Ivan Netuka, Peter Ivák, Zuzana Tučanová, Stanislav Gregor, Ondrej Szárszoi, Poornima Sood, Daniel Crandall, Jessica Rimsans, Jean Marie Connors, Mandeep R Mehra
BACKGROUND: The HeartMate 3 left ventricular assist system is engineered to avoid pump thrombosis, yet bleeding complications persist. We investigated the safety of low-intensity anti-coagulation in patients with the HeartMate 3. METHODS: The Minimal AnticoaGulation EvaluatioNTo aUgment heMocompatibility (MAGENTUM 1) pilot study is a prospective, single-arm study of low-intensity warfarin anti-coagulation in patients implanted with the HeartMate 3 pump. After standard warfarin anti-coagulation (international normalized ratio [INR] 2...
March 27, 2018: Journal of Heart and Lung Transplantation
https://www.readbyqxmd.com/read/29655525/predictive-value-of-liver-damage-for-severe-early-complications-and-survival-after-heart-transplantation-a-retrospective-analysis
#5
Pascal Lebray, Shaida Varnous, Alina Pascale, Philippe Leger, Charles Edouard Luyt, Vlad Ratziu, Mona Munteanu, Salima Ould Amar, Dominique Thabut, Jean Chastre, Alain Pavie, Thierry Poynard, Pascal Leprince
BACKGROUND: Hepatic dysfunction is often associated with advanced heart failure. Its impact on complications following heart transplantation is not well known. We studied the influence of preoperative hepatic dysfunction on the results of heart transplantation with a specific priority access for critical patients. METHODS: Consecutive heart transplantation patients were retrospectively analyzed at listing to detect predictive factors for early complications and survival following heart transplantation...
April 11, 2018: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/29655509/reduced-right-ventricular-fractional-area-change-strain-and-strain-rate-before-bidirectional-cavopulmonary-anastomosis-is-associated-with-medium-term-mortality-for-children-with-hypoplastic-left-heart-syndrome
#6
Lily Q Lin, Jennifer Conway, Silvia Alvarez, Benjamin Goot, Jesus Serrano-Lomelin, Timothy Colen, Edythe B Tham, Shelby Kutty, Ling Li, Nee Scze Khoo
BACKGROUND: Ventricular dysfunction is associated with increased morbidity and mortality in children with hypoplastic left heart syndrome. The aim of this study was to assess the diagnostic performance of conventional and speckle-tracking echocardiographic measures of right ventricular (RV) function before bidirectional cavopulmonary anastomosis palliation in predicting death or need for heart transplantation (HTx). METHODS: RV fractional area change (RVFAC) and longitudinal and circumferential strain and strain rate (SR) were measured in 64 prospectively recruited patients with hypoplastic left heart syndrome from echocardiograms obtained before bidirectional cavopulmonary anastomosis surgery...
April 12, 2018: Journal of the American Society of Echocardiography
https://www.readbyqxmd.com/read/29652694/perspectives-for-progress-performance-limitations-in-heart-transplant-recipients
#7
Wesley J Tucker, Rhys I Beaudry, T Jake Samuel, Michael D Nelson, Martin Halle, Aaron L Baggish, Mark J Haykowsky
We hypothesize that the reduced peak aerobic power (peak VO2) following heart transplantation (HT) is due to impaired cardiovascular and skeletal muscle function, and its improvement with short-term (≤1 year) exercise training is primarily due to favorable skeletal muscle adaptations. Further, the increased peak VO2 with long-term (>2 years) training is primarily mediated by cardiac (sympathetic) reinnervation.
April 12, 2018: Exercise and Sport Sciences Reviews
https://www.readbyqxmd.com/read/29652681/direct-ultrasound-of-the-pulmonary-artery-helps-diagnose-a-rare-cause-of-right-ventricular-failure-after-heart-transplantation-a-case-report
#8
John S McNeil, Si M Pham, Julie L Huffmyer
Pulmonary artery anastomosis stenosis is a rare cause of right ventricular failure after orthotopic heart transplantation. In this case report, direct ultrasound of the pulmonary artery helped diagnose stenosis at a location not visible on transesophageal echocardiography or even with standard epicardial ultrasound views. It is important to evaluate all vascular anastomoses after heart or lung transplantation because surgical revision of these lesions is facile, but if left undiagnosed, significant morbidity or mortality is likely...
April 15, 2018: A&A practice
https://www.readbyqxmd.com/read/29650945/impact-of-regulatory-t-cells-on-innate-immune-cells-in-a-pre-sensitized-heart-transplant-model
#9
Weihua Gong, Baoqing Liu, Juntao Chen, Chen Liu, Zhonghua Shen
BACKGROUND Although our previous studies revealed the role of Tregs (regulatory T cells) and MDSCs (myeloid-derived suppressor cells) in a pre-sensitized cardiac transplant model, interplay between Tregs and NK cells, neutrophils, and macrophages remain undefined. MATERIAL AND METHODS Mice heart transplantation with skin pre-sensitization was performed, in which prolonged-cold ischemia time (PCI) was used for donor treatment. Syngeneic heterotopic heart transplant recipients with PCI were treated with PC61 (monoclonal anti-CD25 antibodies), adoptive cell transfer with Tregs, and rapamycin...
April 13, 2018: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29650446/prognostic-impact-and-predictors-of-ejection-fraction-recovery-in-patients-with-alcoholic-cardiomyopathy
#10
Almudena Amor-Salamanca, Gonzalo Guzzo-Merello, Esther González-López, Fernando Domínguez, Alejandra Restrepo-Córdoba, Marta Cobo-Marcos, Manuel Gómez-Bueno, Javier Segovia-Cubero, Luis Alonso-Pulpón, Pablo García-Pavía
INTRODUCTION AND OBJECTIVES: Recovery of left ventricular ejection fraction (LVEF) has been described in alcoholic cardiomyopathy (ACM) after a period of alcohol withdrawal. Nevertheless, the prognostic impact of LVEF recovery in ACM and its determinants have not been studied. We sought to define the role of LVEF improvement in the long-term outcome of ACM and to identify predictors of LVEF recovery in these patients. METHODS: We evaluated 101 ACM patients during a median follow-up period of 82 months [interquartile range 36-134]...
April 9, 2018: Revista Española de Cardiología
https://www.readbyqxmd.com/read/29650343/safety-efficacy-and-management-of-subcutaneous-treprostinil-infusions-in-the-treatment-of-severe-pediatric-pulmonary-hypertension
#11
Marilyne Levy, Maria-Jesus Del Cerro, Sophie Nadaud, Karunakar Vadlamudi, Elizabeth Colgazier, Jeff Fineman, Damien Bonnet, Ian Adatia
BACKGROUND: Continuous intravenous epoprostenol was the first treatment approved for pulmonary arterial hypertension (PAH) but administration through a central venous line carries risks of thrombosis and sepsis, particularly in children. We sought to evaluate the safety, efficacy and management of subcutaneous (SC) treprostinil in children with PAH. METHODS: Fifty-six children (median age 65, range 1-200 months) were treated with SC treprostinil. Clinical status, echocardiography, NT-proBNP, and site pain and infection were evaluated...
March 15, 2018: International Journal of Cardiology
https://www.readbyqxmd.com/read/29649585/effects-of-different-serotonin-receptor-subtype-antagonists-on-the-development-of-cardiac-allograft-vasculopathy-in-murine-aortic-allografts
#12
Annika Gocht, Jörg H W Distler, Bernd Spriewald, Martina Ramsperger-Gleixner, Michael Weyand, Stephan M Ensminger, Christian Heim
BACKGROUND: Cardiac allograft vasculopathy (CAV) is the main obstacle for long-term survival after heart transplantation. Alloimmune mediated chronic vascular rejection results in several mechanisms like platelet activation, immigration of inflammatory cells through the endothelial layer and proliferation and migration of smooth muscle cells (SMCs). Serotonin (5-HT) promotes these processes via activation of 5-HT2 receptors. We hypothesized that inhibiting 5-HT2 receptors ameliorates the development of CAV...
April 9, 2018: Transplant Immunology
https://www.readbyqxmd.com/read/29648533/the-effect-of-fluconazole-on-the-pharmacokinetics-of-everolimus-and-tacrolimus-in-a-heart-transplant-recipient-a-case-report
#13
Kazuki Nakagita, Kyoichi Wada, Yuka Terada, Sachi Matsuda, Nobue Terakawa, Akira Oita, Mitsutaka Takada
OBJECTIVE: Everolimus is an inhibitor of the mammalian target of rapamycin (mTOR) and has been used in combination with calcineurin inhibitors (tacrolimus and cyclosporine) to prevent allograft rejection following organ transplantation. In heart transplant recipients, everolimus should be maintained at a target blood concentration of 3 - 8 ng/mL, in combination with reduced-dose calcineurin inhibitors and therefore, requires strict monitoring. Fluconazole, an azole antifungal agent, affects blood concentration of tacrolimus by inhibiting the cytochromes P450 (CYP) 3A4 and 3A5...
April 12, 2018: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29648475/alterations-in-plasma-l-arginine-and-methylarginines-in-heart-failure-and-after-heart-transplantation
#14
Jakob Lundgren, Anna Sandqvist, Mikael Hedeland, Ulf Bondesson, Gerhard Wikström, Göran Rådegran
OBJECTIVE: Endothelial function, including the nitric oxide (NO)-pathway, has previously been extensively investigated in heart failure (HF). In contrast, studies are lacking on the NO pathway after heart transplantation (HT). We therefore investigated substances in the NO pathway prior to and after HT in relation to hemodynamic parameters. DESIGN: 12 patients (median age 50.0 yrs, 2 females), heart transplanted between June 2012 and February 2014, evaluated at our hemodynamic lab, at rest, prior to HT, as well as four weeks and six months after HT were included...
April 12, 2018: Scandinavian Cardiovascular Journal: SCJ
https://www.readbyqxmd.com/read/29643259/cerebrovascular-accidents-during-mechanical-circulatory-support-new-predictors-of-ischemic-and-hemorrhagic-strokes-and-outcome
#15
Saef Izzy, Daniel B Rubin, Firas S Ahmed, Feras Akbik, Simone Renault, Katelyn W Sylvester, Henrikas Vaitkevicius, Jennifer A Smallwood, Michael M Givertz, Steven K Feske
BACKGROUND AND PURPOSE: Left ventricular assist devices (LVADs) have emerged as an effective treatment for patients with advanced heart failure refractory to medical therapy. Post-LVAD strokes are an important cause of morbidity and reduced quality of life. Data on risks that distinguish between ischemic and hemorrhagic post-LVAD strokes are limited. The aim of this study was to determine the incidence of post-LVAD ischemic and hemorrhagic strokes, their association with stroke risk factors, and their effect on mortality...
April 11, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29642499/cimetidine-a-safe-treatment-option-for-cutaneous-warts-in-pediatric-heart-transplant-recipients
#16
Bibhuti B Das, Kristin Anton, Nelia Soares, Susan Riojas, Jodi Mcdermott, Leah Knox, Susan Daneman, Bao N Puente
Abstract : Background and Objectives : Immunosuppressed individuals are at particularly increased risk for human papilloma virus-related infections. The primary objective of our study is to determine if there are any adverse effects associated with high-dose cimetidine treatment. A secondary objective is to report our experience with cimetidine in the treatment of cutaneous warts in pediatric heart transplant recipients. Methods and Results : This was a retrospective observational study. A total of 8 pediatric heart transplant recipients diagnosed with multiple recalcitrant warts were the subject of the study...
April 8, 2018: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29629671/celebrating-50-years-of-heart-transplant-surgery-a-missed-opportunity-to-honour-hamilton-naki
#17
P Zilla, J Brink, T Pennel
Reply to Mankahla N, Dlamini S, Taunyane IC, Maqungo S, Cairncross L, Chiliza B. Celebrating 50 years of heart transplant surgery: A missed opportunity to honour Hamilton Naki. S Afr Med J 2018;108(3):151. https://doi.org/10.7196/SAMJ.2018.v108i3.13114.
March 28, 2018: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/29629485/has-the-time-come-to-be-more-aggressive-with-bariatric-surgery-in-obese-patients-with-chronic-systolic-heart-failure
#18
REVIEW
Amanda R Vest
PURPOSE OF REVIEW: Obesity is a strong risk factor for the development of heart failure (HF). Diet, exercise, and weight-loss pharmacotherapies have limited potential to achieve significant and sustainable weight loss, especially in patients with symptomatic systolic HF. This review seeks to determine the role of bariatric surgery for patients with systolic HF and obesity. RECENT FINDINGS: Bariatric surgeries such as the laparoscopic sleeve gastrectomy (LSG) and Roux-en-Y gastric bypass (RYGB) represent the most successful long-term strategy for achieving weight loss and diabetes and hypertension remission in the general obese population...
April 8, 2018: Current Heart Failure Reports
https://www.readbyqxmd.com/read/29628472/hcn4-overexpressing-mouse-embryonic-stem-cell-derived-cardiomyocytes-generate-a-new-rapid-rhythm-in-rats-with-bradycardia
#19
Yukihiro Saito, Kazufumi Nakamura, Masashi Yoshida, Hiroki Sugiyama, Makoto Takano, Satoshi Nagase, Hiroshi Morita, Kengo F Kusano, Hiroshi Ito
A biological pacemaker is expected to solve the persisting problems of an artificial cardiac pacemaker including short battery life, lead breaks, infection, and electromagnetic interference. We previously reported HCN4 overexpression enhances pacemaking ability of mouse embryonic stem cell-derived cardiomyocytes (mESC-CMs) in vitro. However, the effect of these cells on bradycardia in vivo has remained unclear. Therefore, we transplanted HCN4-overexpressing mESC-CMs into bradycardia model animals and investigated whether they could function as a biological pacemaker...
April 6, 2018: International Heart Journal
https://www.readbyqxmd.com/read/29628344/ambulating-femoral-venoarterial-extracorporeal-membrane-oxygenation-bridge-to-heart-lung-transplant
#20
Yasuhiro Shudo, Patpilai Kasinpila, Anson M Lee, Vidya K Rao, Y Joseph Woo
No abstract text is available yet for this article.
March 8, 2018: Journal of Thoracic and Cardiovascular Surgery
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