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https://www.readbyqxmd.com/read/29334522/themes-in-literature-related-to-incidence-risk-and-prevention-of-cancer-in-solid-organ-transplantation-recipients-on-immunosuppressive-therapy
#1
Stefanie L Rashti
BACKGROUND: Solid-organ transplants provide a second chance to thousands of critically ill patients with end-organ failure each year. Immunosuppressants are administered to patients to prevent graft rejection of a transplanted organ, such as a heart, kidney, or liver, while placing the recipient at greater risk for infection and cancer. OBJECTIVE: The literature provides evidence of various cancers that have been found to develop in patients' posttransplantation...
January 12, 2018: Cancer Nursing
https://www.readbyqxmd.com/read/29329346/evaluation-of-bloodstream-infections-clostridium-difficile-infections-and-gut-microbiota-in-pediatric-oncology-patients
#2
Bryan T Nycz, Samuel R Dominguez, Deborah Friedman, Joanne M Hilden, Diana Ir, Charles E Robertson, Daniel N Frank
Bloodstream infections (BSI) and Clostridium difficile infections (CDI) in pediatric oncology/hematology/bone marrow transplant (BMT) populations are associated with significant morbidity and mortality. The objective of this study was to explore possible associations between altered microbiome composition and the occurrence of BSI and CDI in a cohort of pediatric oncology patients. Stool samples were collected from all patients admitted to the pediatric oncology floor from Oct.-Dec. 2012. Bacterial profiles from patient stools were determined by bacterial 16S rRNA gene profiling...
2018: PloS One
https://www.readbyqxmd.com/read/29327821/chronic-kidney-disease-in-patients-with-chronic-hepatitis-c-virus-infection
#3
Omer Shahab, Pegah Golabi, Zobair M Younossi
Hepatitis C virus (HCV) infection affects many organs in the body, including the liver, kidneys, skin, joints and others. Although the hepatic manifestation of HCV has been widely studied, the extrahepatic manifestaions of HCV have not been fully appreciated. Studies have shown that patients with HCV have a higher risk of chronic kidney disease and end-stage renal disease, as well as poorer outcomes after kidney transplantation. Given these findings, it is important to screen HCV patients for presence of renal impairement in a timely manner...
January 10, 2018: Minerva Gastroenterologica e Dietologica
https://www.readbyqxmd.com/read/29323725/serum-igg-antibodies-from-healthy-subjects-up-to-100-years-old-react-to-jc-polyomavirus
#4
Ilaria Bononi, Elisa Mazzoni, Silvia Pietrobon, Marco Manfredini, Elena Trregiani, Marika Rossini, Francesca Lotito, Giovanni Guerra, Paola Rizzo, Fernanda Martini, Mauro Tognon
JC polyomavirus (JCPyV) was identified in 1971 in the brain tissue of a patient (J.C.) affected by the progressive multifocal leukoencephalopathy (PML). JCPyV encodes for the oncoproteins large T antigen (Tag) and small t-antigen (tag). These oncoproteins are responsible of the cell transformation and tumorigenesis in experimental animals. JCPyV is ubiquitous in human populations. After the primary infection, which is usually asymptomatic, JCPyV remains lifelong in the host in a latent phase. Its reactivation may occur in heathy subjects and immunocompromised patients...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29322242/utility-of-fosfomycin-as-antibacterial-prophylaxis-in-patients-with-hematologic-malignancies
#5
Tanya Zapolskaya, Sarah Perreault, Dayna McManus, Jeffrey E Topal
PURPOSE: Prolonged and profound neutropenia is common among hematology and hematopoietic stem cell transplant (HSCT) patients as a result of chemotherapy. The National Comprehensive Cancer Network (NCCN) and Infectious Diseases Society of America (IDSA) currently recommend antibacterial prophylaxis in patients who are deemed at intermediate or high risk for infection. Specifically, fluoroquinolone prophylaxis should be considered for high-risk neutropenic patients. However, with prolonged and frequent exposure to fluoroquinolones, these high-risk patients may develop resistance to these agents...
January 10, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29316554/skin-infections-due-to-bacteria-in-solid-organ-transplant-recipients-a-review
#6
Muneeb Ilyas, Nishita Maganty, Zachary Ginsberg, Amit Sharma
Though there is an abundance of information on cutaneous malignancies in transplant recipients, cutaneous infections in solid organ transplant recipients (SOTRs) are underrepresented in the dermatological literature. Our paper provides a comprehensive review of bacterial cutaneous infections within the solid organ transplant population. Cutaneous bacterial infections may lead to significant morbidity and even mortality in this immunosuppressed population. Thus, it is to the benefit of both dermatologists and other transplant care providers to better understand and recognize the features of cutaneous bacterial infections in SOTRs...
January 10, 2018: Dermatology: International Journal for Clinical and Investigative Dermatology
https://www.readbyqxmd.com/read/29315529/mixing-alters-the-lytic-activity-of-viruses-in-the-dark-ocean
#7
Christian Winter, Nicole Köstner, Carl-Philip Kruspe, Damaris Urban, Simone Muck, Thomas Reinthaler, Gerhard J Herndl
In aquatic habitats, viral lysis of prokaryotic cells lowers the overall efficiency of the microbial loop, by which dissolved organic carbon is transfered to higher trophic levels. Mixing of water masses in the dark ocean occurs on a global scale and may have far reaching consequences for the different prokaryotic and virus communities found in these waters by altering the environmental conditions these communities experience. We hypothesize that mixing of deep ocean water masses enhances the lytic activity of viruses infecting prokaryotes...
January 8, 2018: Ecology
https://www.readbyqxmd.com/read/29314617/increased-risk-donors-a-bird-in-the-hand
#8
EDITORIAL
Daniel R Kaul
Unexpected donor-derived infections (DDI) are relatively uncommon events complicating less than 1% of solid organ transplants (1). Disease can be severe, however, with malignancies and agents that infect the central nervous system carrying a particularly high risk of adverse outcomes (2). In most cases, this risk is managed by a combination of clinical assessment and pre-procurement donor testing. This article is protected by copyright. All rights reserved.
January 4, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29306112/predictive-factors-of-spontaneous-cmv-dnaemia-clearance-in-kidney-transplantation
#9
Johan Noble, Philippe Gatault, Bénédicte Sautenet, Catherine Gaudy-Graffin, Agnes Beby-Defaux, Antoine Thierry, Marie Essig, Jean-Michel Halimi, Eliza Munteanu, Sophie Alain, Matthias Buchler
Cytomegalovirus (CMV) infection occurs frequently after solid organ transplantation. Therapeutic strategies, in particular when to start a curative treatment, has not yet been defined. The purpose of this study was to assess predictive factors associated with spontaneous clearance of CMV DNAemia in kidney transplant recipients. METHODS: All kidney recipients of a single center were recruited. Patients with at least one positive CMV DNAemia during the first year post transplantation were included in our analysis...
December 29, 2017: Journal of Clinical Virology: the Official Publication of the Pan American Society for Clinical Virology
https://www.readbyqxmd.com/read/29304213/echinocandin-prophylaxis-in-patients-undergoing-haematopoietic-cell-transplantation-and-other-treatments-for-haematological-malignancies
#10
David J Epstein, Susan K Seo, Janice M Brown, Genovefa A Papanicolaou
Antifungal prophylaxis is the standard of care for patients undergoing intensive chemotherapy for haematological malignancy or haematopoietic cell transplantation (HCT). Prophylaxis with azoles reduces invasive fungal infections and may reduce mortality. However, breakthrough infections still occur, and the use of azoles is sometimes complicated by pharmacokinetic variability, drug interactions, adverse events and other issues. Echinocandins are highly active against Candida species, including some organisms resistant to azoles, and have some clinical activity against Aspergillus species as well...
January 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29304212/use-of-echinocandin-prophylaxis-in-solid-organ-transplantation
#11
Maddalena Giannella, Shahid Husain, Faouzi Saliba, Pierluigi Viale
Invasive fungal infections (IFIs) are a major threat to patients undergoing solid organ transplantation (SOT). Owing to improvements in surgical techniques, immunosuppression therapy and antifungal prophylaxis, the incidence of IFIs has been decreasing in recent years. However, IFI-associated morbidity and mortality remain significant. Invasive candidiasis (IC) and aspergillosis (IA) are the main IFIs after SOT. Risk factors for IC and IA continue to evolve, and thus strategies for their prevention should be constantly updated and targeted to both individual patient risk factors and local epidemiology...
January 1, 2018: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/29303612/the-effect-of-induction-therapy-on-established-cmv-specific-t-cell-immunity-in-living-donor-kidney-transplantation
#12
L Stranavova, P Hruba, E Girmanova, I Tycova, A Slavcev, J Fronek, J Slatinska, P Reinke, H-D Volk, O Viklicky
Cytomegalovirus (CMV) infection influences both short and long term outcomes in immunosuppressed organ transplant recipients. The aim of this study was to evaluate the effect of different induction immunosuppression regimens on CMV specific T cell response in patients with already established CMV immunity. In 24 seropositive living donor kidney recipients, the frequency of CMV specific T cells was determined by ELISPOT (Enzyme-Linked ImmunoSpot) assay prior and 6 months after transplantation. Recipients' peripheral blood mononuclear cells were stimulated with immediate-early (IE1) and phosphoprotein 65 (pp65) CMV-derived peptide pools and the number of cells producing interferon gamma (IFN-gamma) was assessed...
January 5, 2018: Physiological Research
https://www.readbyqxmd.com/read/29302827/colonic-perforation-due-to-severe-cytomegalovirus-disease-in-granulomatosis-with-polyangiitis-after-immunosuppression
#13
REVIEW
Alessandra Soriano, Nazareno Smerieri, Stefano Bonilauri, Loredana De Marco, Alberto Cavazza, Carlo Salvarani
Granulomatosis with polyangiitis (GPA) is a small-vessel necrotizing granulomatous vasculitis typically involving upper airways, lungs, and kidneys, which may lead to end-organ damage and life-threatening complications. Major infections during GPA course represent a considerable concern in the management of the disease. Cytomegalovirus (CMV) infection and disease are rare but significant complications in the course of GPA being associated with high morbidity and mortality rates. Colonic perforation due to CMV colitis is exceedingly rare and has so far almost exclusively been documented in HIV, renal transplant, and systemic lupus erythematosus patients...
January 4, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29302022/effect-of-immunosuppression-on-target-blood-immune-cells-within-1-year-after-lung-transplantation-influence-of-age-on-t-lymphocytes
#14
Benjamin Coiffard, Matthieu Pelardy, Anderson D Loundou, Corine Nicolino-Brunet, Pascal Alexandre Thomas, Laurent Papazian, Françoise Dignat-George, Martine Reynaud-Gaubert
BACKGROUND Lymphocytes are targeted by immunosuppressive therapy in solid organ transplantation and they influence allograft outcome. MATERIAL AND METHODS Peripheral blood lymphocyte subsets (PBLS) determined by flow cytometry during the first year post-transplant from patients who underwent a first lung transplantation in a French University Hospital between December 2011 and July 2013 were retrospectively analyzed according to recipient characteristics and allograft outcome. RESULTS Fifty-seven recipients were enrolled and 890 PBLS were collected...
January 5, 2018: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/29299892/cytomegalovirus-infection-after-renal-transplantation-occurrence-clinical-features-and-the-cutoff-for-antigenemia-in-a-university-hospital-in-brazil
#15
Sócrates Bezerra de Matos, Roberto Meyer, Fernanda Washington de Mendonça Lima
BACKGROUND: Cytomegalovirus (CMV) is the main infectious agent causative of morbidity and mortality in transplant recipients. This study aimed to describe the occurrence and clinical features of CMV infection, and the optimum antigenemia assay cutoff associated with symptomatic infection. MATERIALS AND METHODS: This was a cohort study that investigated 87 patients undergoing renal transplantation. The patients were monitored with the CMV antigenemia assay performed weekly for the first 3 months post-transplantation and subsequently, when CMV infection was suspected clinically...
December 2017: Infection & Chemotherapy
https://www.readbyqxmd.com/read/29296705/zika-and-chikungunya-virus-infections-in-hematopoietic-stem-cell-transplant-recipients-and-oncohematological-patients
#16
Clarisse Martins Machado, Bárbara Brito de Souza Pereira, Alvina Clara Felix, Maria Carolina Oliveira, Luiz Guilherme Darrigo, Mair Pedro de Souza, Eduardo José de Alencar Paton, Fabia Neves, Vergilio Rensi Colturato, Belinda Pinto Simoes
Aedes mosquitoes are well adapted in domestic environments and widespread in tropical regions. Since 2015, Brazil has been experiencing a triple epidemic of dengue (DENV), chikungunya (CHKV), and Zika (ZIKV) viruses. The last 2 viruses are likely following the path of DENV, which has been endemic in most parts of the country since the 1980s. Given this triple epidemic, we proposed a prospective and collaborative study to assess the prevalence, morbidity, and mortality of DENV, CHKV, and ZIKV infections in hematopoietic stem cell transplant (HSCT) recipients and oncohematological patients...
April 11, 2017: Blood Advances
https://www.readbyqxmd.com/read/29287987/observations-on-bradyzoite-biology
#17
Vincent Tu, Rama Yakubu, Louis M Weiss
Tachyzoites of the Apicomplexan Toxoplasma gondii cause acute infection, disseminate widely in their host, and eventually differentiates into a latent encysted form called bradyzoites that are found within tissue cysts. During latent infection, whenever transformation to tachyzoites occurs, any tachyzoites that develop are removed by the immune system. In contrast, cysts containing bradyzoites are sequestered from the immune system. In the absence of an effective immune response released organisms that differentiate into tachyzoites cause acute infection...
December 26, 2017: Microbes and Infection
https://www.readbyqxmd.com/read/29281087/prediction-of-infection-after-solid-organ-transplantation-is-measuring-cell-mediated-immunity-the-answer
#18
Kimberly E Hanson, Ajit P Limaye
No abstract text is available yet for this article.
December 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29281051/evaluation-of-a-novel-global-immunity-assay-to-predict-infection-in-organ-transplant-recipients
#19
Muhtashim Mian, Yoichiro Natori, Victor Ferreira, Nazia Selzner, Shahid Husain, Lianne Singer, S Joseph Kim, Atul Humar, Deepali Kumar
Background: Solid organ transplant recipients (SOTRs) are predisposed to infection due to the need for lifelong immunosuppression, although tools to measure the overall degree of immunosuppression are limited. In this study, we used a novel global cell-mediated immunity (CMI) assay to quantify the degree of immunosuppression and predict subsequent infections. Methods: Consecutive SOTRs were enrolled and provided whole blood to conduct the global CMI assay (QuantiFERON Monitor) at 1, 3, and 6 months posttransplant...
December 21, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29280704/reversible-pneumatosis-cystoides-intestinalis-after-liver-transplantation
#20
M Telegrafo, A A Stabile Ianora, G Angelelli, M Moschetta
Pneumatosis cystoides intestinalis (PCI) is a rare disease characterized by the presence of multiple gas-filled cysts within the submucosa or subserosa of the intestinal wall. We report a case of PCI in a 54-yearold man 4 weeks after liver transplantation due to hepatitis B virus (HBV)-associated liver cirrhosis presenting with illness, diarrhea and abdominal pain. CT scans revealed normal shape of the abdominal parenchymal organs and no intra-hepatic complication due to liver transplantation. Main abdominal venous and arterial vessels resulted patent...
September 2017: Il Giornale di Chirurgia
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