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Infection and transplantation

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https://www.readbyqxmd.com/read/29775554/outcomes-and-predictors-of-early-infection-after-heart-transplantation
#1
Kendall C Shultes, Jerrica E Shuster, Scott Micek, Justin M Vader, Keki Balsara, Akinobu Itoh, Bethany R Tellor
BACKGROUND: Limited data exist on the incidence and outcome of early infection after orthotopic heart transplantation (OHT). The purpose of this study was to describe characteristics and outcomes of OHT recipients with an early infection and to identify predictors of such infections. METHODS: This retrospective, single-center study included patients greater than 18 years of age who underwent OHT from February 2009 to May 2014 and had an infection within 30 days of transplantation...
May 18, 2018: Surgical Infections
https://www.readbyqxmd.com/read/29775011/-hyper-ige-syndromes
#2
REVIEW
Y Y He, B Liu, X P Xiao
A hyper-IgE syndrome is a rare immunodeficiesncy disease, often accompanied by high serum IgE. It often characterized by facial features, repeated skin infections, eczema and pulmonary infection, including autosomal dominant HIES (AD-HIES) and autosomal recessive HIES (AR-HIES). AR-HIES is caused by mutations in STAT3, which is presented as connective tissue, bone, vascular disease, and high brain white matter signal. AD-HIES is mainly caused by mutations in DOCK8 and TYK2, which is presented as severe viral infection and poor prognosis...
June 5, 2017: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
https://www.readbyqxmd.com/read/29774593/bk-viremia-is-not-associated-with-adverse-outcomes-in-the-absence-of-bk-nephropathy
#3
Amber L Hertz-Tang, Brad C Astor, Didier A Mandelbrot, Maha A Mohamed, Arjang Djamali, Sandesh Parajuli
There are limited data regarding the association of different levels of BK viremia and BK nephropathy (BKN), and graft outcomes. We studied the BK plasma PCR levels of all kidney transplant recipients (KTR) transplanted at our institution between 01/01/2006 and 06/30/2014. Patients were divided into groups based on their highest BK plasma PCR level within the first year following transplantation: undetectable, low (<1000 copies/ml), moderate (1000-10,000 copies/ml), high (>10,000-100,000 copies/ml), very high (>100,000copies/ml), and those that had biopsy-proven BKN...
May 17, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29773602/clofarabine-high-dose-cytarabine-and-liposomal-daunorubicin-in-pediatric-relapsed-refractory-acute-myeloid-leukemia-a-phase-ib-study
#4
Natasha K A van Eijkelenburg, Mareike Rasche, Essam Ghazaly, Michael N Dworzak, Thomas Klingebiel, Claudia Rossig, Guy Leverger, Jan Stary, Eveline S J M de Bont, Dana A Chitu, Yves Bertrand, Benoit Brethon, Brigitte Strahm, Inge M van der Sluis, Gertjan J L Kaspers, Dirk Reinhardt, C Michel Zwaan
Survival in children with relapsed/refractory acute myeloid leukemia is unsatisfactory. Treatment consists of one course fludarabine, cytarabine and liposomal daunorubicin, followed by fludarabine and cytarabine and stem-cell transplantation. Study ITCC 020/I-BFM 2009-02 aimed to identify the recommended phase 2 dose of clofarabine replacing fludarabine in the abovementioned combination regimen (3+3 design). Escalating dose-levels of clofarabine (20-40mg/m2/day x5days) and liposomal daunorubicin (40-0mg/m2/day) were administered with cytarabine (2g/m2/day x5days)...
May 17, 2018: Haematologica
https://www.readbyqxmd.com/read/29773419/a-changing-etiologic-scenario-in-liver-transplantation-for-hepatocellular-carcinoma-in-a-multicenter-cohort-study-from-latin-america
#5
Federico Piñero, Paulo Costa, Yuri Longatto Boteon, Sergio Hoyos Duque, Sebastian Marciano, Margarita Anders, Adriana Varón, Alina Zerega, Jaime Poniachik, Alejandro Soza, Martín Padilla Machaca, Josemaría Menéndez, Rodrigo Zapata, Mario Vilatoba, Linda Muñoz, Martín Maraschio, Luis G Podestá, Lucas McCormack, Adrian Gadano, Ilka S F Fatima Boin, Parente García, Marcelo Silva
BACKGROUND AND AIM: Non-alcoholic fatty liver disease (NAFLD) is an increasing cause of hepatocellular carcinoma (HCC) and liver transplantation (LT). Our study focused on changing trends of liver related HCC etiologies during the last years in Latin America. METHODS: From a cohort of 2761 consecutive adult LT patients between 2005 and 2012 in 17 different centers, 435 with HCC were included. Different periods including years 2005-2006, 2007-2008, 2009-2010 and 2011-2012 were considered...
May 14, 2018: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/29773296/nontuberculous-mycobacterial-and-aspergillus-infections-among-cadaveric-lung-transplant-recipients-in-japan
#6
Kazunobu Tachibana, Yoshinori Okada, Yasushi Matsuda, Kentaroh Miyoshi, Takahiro Oto, Toyofumi F Chen-Yoshikawa, Hiroshi Date, Masato Minami, Meinoshin Okumura, Akinori Iwasaki, Takeshi Shiraishi, Sumiko Maeda, Yuji Matsumura, Takahiro Nakajima, Ichiro Yoshino, Seiji Hayashi
BACKGROUND: Lung transplantation is an effective treatment modality for respiratory failure. Chronic lung infections, including infections caused by nontuberculous mycobacteria (NTM) and Aspergillus, are difficult to control, and uncontrolled infections are relative contraindications for lung transplantation. However, few reports have documented the incidence and outcome of these infections in lung transplant recipients. METHODS: To quantify the incidence and outcomes of colonization and disease caused by NTM and aspergillosis in recipients before and after lung transplantation, we reviewed the medical records and microbiology data from 240 consecutive cadaveric lung transplant recipients between 2000 and 2014...
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29773288/first-multicenter-study-of-nontuberculous-mycobacteria-and-or-aspergillus-infections-in-lung-transplant-recipients-in-japan
#7
EDITORIAL
Jiro Fujita
No abstract text is available yet for this article.
May 2018: Respiratory Investigation
https://www.readbyqxmd.com/read/29771962/progression-of-the-radiologic-severity-index-predicts-mortality-in-patients-with-parainfluenza-virus-associated-lower-respiratory-infections
#8
Ajay Sheshadri, Dimpy P Shah, Myrna Godoy, Jeremy J Erasmus, Juhee Song, Liang Li, Scott E Evans, Roy F Chemaly, Burton F Dickey, David E Ost
BACKGROUND: Radiologic severity may predict adverse outcomes after lower respiratory tract infection (LRI). However, few studies have quantified radiologic severity of LRIs. We sought to evaluate whether a semi-quantitative scoring tool, the Radiologic Severity Index (RSI), predicted mortality after parainfluenza virus (PIV)-associated LRI. METHODS: We conducted a retrospective review of consecutively-enrolled adult patients with hematologic malignancy or hematopoietic stem cell transplantation and with PIV detected in nasal wash who subsequently developed radiologically-confirmed LRI...
2018: PloS One
https://www.readbyqxmd.com/read/29771758/opportunistic-fungal-infection-in-children-and-management
#9
Joseph M Lam
PURPOSE OF REVIEW: An opportunistic mycosis is a fungal agent of low pathogenicity that specifically infects immunocompromised hosts. Advances in transplantation, preterm care, immunosuppressive therapies and intensive care, have lead to the emergence of pediatric patients with serious immunodeficiency who are vulnerable to nonpathogenic fungi. RECENT FINDINGS: The advent of the use of biologic agents in pediatric disease as well as the advances in care of preterm and immunosuppressed patients opens up a new cohort of patients at risk of opportunistic mycotic infections...
May 15, 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29771330/use-of-alternative-agents-for-prevention-of-opportunistic-infections-in-heart-and-lung-transplant-recipients
#10
David J Epstein, Esther Benamu, Aruna Subramanian
No abstract text is available yet for this article.
May 16, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29771270/effect-of-conversion-from-calcineurin-inhibitors-to-everolimus-on-hepatitis-c-viremia-in-adult-kidney-transplant-recipients
#11
Larissa Sgaria Pacheco, Valter Duro Garcia, Ronivan Luis Dal Prá, Bruna Doleys Cardoso, Mariana Ferras Rodrigues, Helen Kris Zanetti, Gisele Meinerz, Jorge Neumann, Diego Gnatta, Elizete Keitel
INTRODUCTION: Currently, there is no specific immunosuppressive protocol for hepatitis C (HCV)-positive renal transplants recipients. Thus, the aim of this study was to evaluate the conversion effect to everolimus (EVR) on HCV in adult kidney recipients. METHOD: This is an exploratory single-center, prospective, randomized, open label controlled trial with renal allograft recipients with HCV-positive serology. Participants were randomized for conversion to EVR or maintenance of calcineurin inhibitors...
May 14, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29771269/upper-gastrointestinal-alterations-in-kidney-transplant-candidates
#12
João Pedro Homse Netto, João Pedro Sant'Anna Pinheiro, Mariana Lopes Ferrari, Mirella Tizziani Soares, Rogério Augusto Gomes Silveira, Mariana Espiga Maioli, Vinicius Daher Alvares Delfino
INTRODUCTION: The incidence of gastrointestinal disorders among patients with chronic kidney disease (CKD) is high, despite the lack of a good correlation between endoscopic findings and symptoms. Many services thus perform upper gastrointestinal (UGI) endoscopy on kidney transplant candidates. OBJECTIVES: This study aims to describe the alterations seen on the upper endoscopies of 96 kidney-transplant candidates seen from 2014 to 2015. METHODS: Ninety-six CKD patients underwent upper endoscopic examination as part of the preparation to receive kidney grafts...
May 14, 2018: Jornal Brasileiro de Nefrologia: ʹorgão Oficial de Sociedades Brasileira e Latino-Americana de Nefrologia
https://www.readbyqxmd.com/read/29771243/breath-volatile-organic-compounds-of-lung-transplant-recipients-with-and-without-chronic-lung-allograft-dysfunction
#13
Lucas Küppers, Olaf Holz, Sven Schuchardt, Jens Gottlieb, Jan Fuge, Mark Greer, Jens Hohlfeld
Chronic lung allograft dysfunction (CLAD) with its clinical correlative of bronchiolitis obliterans syndrome (BOS) remains the major limiting factor for long-term graft survival. Currently there are no established methods for the early diagnosis or prediction of BOS. To assess the feasibility of breath collection as a non-invasive tool and the potential of breath volatile organic compounds (VOC) for the early detection of BOS, we compared the breath VOC composition between transplant patients without and different stages of BOS...
May 17, 2018: Journal of Breath Research
https://www.readbyqxmd.com/read/29770706/intestinal-transplants-review-of-normal-imaging-appearance-and-complications
#14
Bashir Hakim, Daniel T Myers, Todd R Williams, Shunji Nagai, John Bonnett
Intestinal transplant (IT) is one of the least common forms of organ transplant but is increasing both in volume of cases and number of centers performing intestinal transplants, with the busiest centers in North America and Europe. IT can be performed in isolation or as part of a multivisceral transplant (MVT). Intestinal failure either in the form of short gut syndrome or functional bowel problems is the primary indication for IT. The normal post-surgical anatomy can be variable due to both recipient anatomy in regard to amount of residual bowel and status of native vasculature as well as whether the transplant is isolated or part of an multivisceral transplant...
May 17, 2018: British Journal of Radiology
https://www.readbyqxmd.com/read/29770447/effectiveness-of-immunoglobulin-prophylaxis-in-reducing-clinical-complications-of-hematopoietic-stem-cell-transplantation-a-systematic-review-and-meta-analysis
#15
REVIEW
Hilalion Ahn, Jason Tay, Beverley Shea, Brian Hutton, Risa Shorr, Greg A Knoll, Donald William Cameron, Juthaporn Cowan
BACKGROUND: Prophylactic immunoglobulin has been used with varying efficacy to reduce complications in hematopoietic stem cell transplant recipients. STUDY DESIGN AND METHODS: A systematic review and meta-analysis was conducted of randomized controlled trials that assessed clinical outcomes (overall survival, transplant-related mortality, graft-versus-host disease [GVHD], veno-occlusive disease [VOD], interstitial pneumonitis, disease relapse, cytomegalovirus [CMV] infection and disease, non-CMV infection) of immunoglobulin prophylaxis versus placebo in hematopoietic stem cell transplant recipients...
May 16, 2018: Transfusion
https://www.readbyqxmd.com/read/29769344/efficient-delivery-of-hcmv-t-cell-antigens-by-attenuated-sendai-virus-vectors
#16
Richard Kiener, Markus Fleischmann, Marian Alexander Wiegand, Niels A W Lemmermann, Christiane Schwegler, Christine Kaufmann, Angelique Renzaho, Simone Thomas, Eva Felder, Hans Helmut Niller, Benedikt Asbach, Ralf Wagner
Human Cytomegalovirus (HCMV) represents a major cause of clinical complications during pregnancy as well as immunosuppression and the licensing of a protective HCMV vaccine remains an unmet global need. Herein, we designed and validated novel Sendai virus (SeV) vectors delivering T cell immunogens IE-1 and pp65. To enhance vector safety, we used a replication-deficient strain (rdSeV) that infects target cells in a non-productive manner while retaining viral gene expression. In this study, we explored the impact that transduction with rdSeV has on human dendritic cells (DCs) by comparing it to the parental, replication-competent Sendai virus strain (rcSeV) as well as the poxvirus strain Modified Vaccinia Ankara (MVA)...
May 16, 2018: Journal of Virology
https://www.readbyqxmd.com/read/29769038/impact-of-new-daa-therapy-on-real-clinical-practice-a-multicenter-region-wide-cohort-study
#17
Simone Lanini, Paola Scognamiglio, Alessandra Mecozzi, Lorella Lombardozzi, Vincenzo Vullo, Mario Angelico, Antonio Gasbarrini, Gloria Taliani, Adolfo Francesco Attili, Carlo Federico Perno, Adriano De Santis, Vincenzo Puro, Fabio Cerqua, Gianpiero D'Offizi, Adriano Pellicelli, Orlando Armignacco, Francesco Saverio Mennini, Massimo Siciliano, Enrico Girardi, Vincenzo Panella, Giuseppe Ippolito
BACKGROUND: Management of chronic hepatitis C (CHC) has significantly accelerated in the last few years. Currently, second generation direct acting antivirals (DAAs) promise clearance of infection in most of patients. Here we present the results of the first analysis carried out on data of Lazio clinical network for DAAs. METHODS: The study was designed as a multicenter cohort: a) to assess the evolution of treatment during the first 24 months of the activity of the Clinical Network; b) to report overall efficacy of treatments; c) to analyze potential factors associated with lack of virological response at 12 weeks after therapy (SVR12); d) to evaluate the variation of ALT at baseline and 12 weeks after therapy in those who achieved SVR12 in comparison to those who did not...
May 16, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29769027/immune-monitoring-after-pediatric-liver-transplantation-the-prospective-chilsfree-cohort-study
#18
Imeke Goldschmidt, André Karch, Rafael Mikolajczyk, Frauke Mutschler, Norman Junge, Eva Doreen Pfister, Tamara Möhring, Lorenzo d'Antiga, Patrick McKiernan, Deirdre Kelly, Dominique Debray, Valérie McLin, Joanna Pawlowska, Loreto Hierro, Kerstin Daemen, Jana Keil, Christine Falk, Ulrich Baumann
BACKGROUND: Although trough levels of immunosuppressive drugs are largely used to monitor immunosuppressive therapy after solid organ transplantation, there is still no established tool that allows for a validated assessment of functional degree of immunosuppression or the identification of clinically relevant over- or under-immunosuppression, depending on graft homeostasis. Reliable non-invasive markers to predict biopsy proven acute rejection (BPAR) do not exist. Literature data suggest that longitudinal measurements of immune markers might be predictive of BPAR, but data in children are scarce...
May 16, 2018: BMC Gastroenterology
https://www.readbyqxmd.com/read/29768545/hcmv-ul97-phosphotransferase-gene-mutations-may-be-associated-with-antiviral-resistance-in-immunocompromised-patients-in-bel%C3%A3-m-pa-northern-brazil
#19
Dorotéa de Fátima Lobato da Silva, Jedson Ferreira Cardoso, Sandro Patroca da Silva, Leda Mani França Arruda, Renato Lopes Fernandes de Medeiros, Marluce Matos Moraes, Rita Catarina Medeiros Sousa
INTRODUCTION: Human cytomegalovirus is one of the causes of opportunist infections in immunocompromised patients, and is triggered by factors such as state of viral latency, weakened immune responses, and development of antiviral resistance to ganciclovir, the only drug offered by the public health system in Brazil to treat the infection. The goal of this study was to identify mutations that may be associated with antiviral resistance in immunocompromised patients. METHODS: Molecular analysis was performed in 82 blood samples and subjected to genomic DNA extraction by a silica-based method...
March 2018: Revista da Sociedade Brasileira de Medicina Tropical
https://www.readbyqxmd.com/read/29765440/prevalence-of-bacteria-and-fungi-in-samples-of-cornea-preservation-fluid
#20
Grażyna Broniek, Ewa Langwińska-Wośko, Małgorzata Sybilska, Jerzy Szaflik, Jacek P Szaflik, Marta Wróblewska
Introduction: Recipients of corneal transplants are at risk of healthcare-associated infections, which, apart from other causes of surgical site infections, may also occur as a result of the transfer of infected corneal tissue. In this study we assessed the risk of bacterial and fungal infections based on the results of routine microbiological testing of cornea preservation fluid samples. Material and methods: We examined a total of 725 samples of corneal preservation fluid, obtained during a period of 3 years (2011-2013)...
April 2018: Archives of Medical Science: AMS
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