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https://www.readbyqxmd.com/read/28614157/probable-donor-derived-cytomegalovirus-disease-after-keratolimbal-allograft-transplantation
#1
Albert Y Cheung, Amit Govil, Scott R Friedstrom, Edward J Holland
PURPOSE: To report a case of probable donor-derived cytomegalovirus (CMV) infection after keratolimbal allograft (KLAL) transplantation. METHODS: Observational case report. RESULTS: A 41-year-old man with a history of aniridic keratopathy and limbal stem cell deficiency underwent KLAL in his right eye. Preoperatively, he was negative for CMV IgG and IgM. Postoperatively, he was maintained on tacrolimus and mycophenolate mofetil for systemic immunosuppression; he was also on prophylactic valganciclovir (for CMV) and trimethoprim/sulfamethoxazole (for pneumocystis pneumonia) for 1 month...
June 13, 2017: Cornea
https://www.readbyqxmd.com/read/28613442/the-effect-of-different-immunoprophylaxis-regimens-on-post-transplant-cytomegalovirus-cmv-infection-in-cmv-seropositive-liver-transplant-recipients
#2
Chian Yong Low, Seyed Mohammadmehdi Hosseini-Moghaddam, Coleman Rotstein, Eberhard L Renner, Shahid Husain
INTRODUCTION: The effects of different immunoprophylaxis regimens on cytomegalovirus (CMV) infection in liver transplant recipients (LTRs) have not been compared. METHODS: In a cohort, we studied 343 CMV seropositive recipient (R+) and 83 seronegative donor/recipient (D-/R-) consecutive LTRs from 2004 to 2007. Immunoprophylaxis regimens included steroid-only, steroids plus rabbit anti-thymocyte globulin (rATG), and steroids plus basiliximab. Logistic regression analysis, Cox proportional hazards regression model, and log-rank test were performed for multivariate analysis as appropriate...
June 14, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28608847/hadv-c6-is-a-more-relevant-challenge-virus-than-hadv-c5-for-testing-antiviral-drugs-with-the-immunosuppressed-syrian-hamster-model
#3
Karoly Toth, Jacqueline F Spencer, Baoling Ying, Ann E Tollefson, William S M Wold
Adenovirus infections of immunocompromised patients can cause a severe multi-organ disease that often results in the patients' death. Presently, there are no drugs specifically approved to treat adenovirus infections, and clinicians resort to the off-label use of antivirals that are approved to treat other DNA virus infections, most frequently cidofovir (CDV). CDV, however, has considerable nephrotoxicity, thus it is recommended only for the most severe cases of adenovirus infections. To facilitate the development of effective, non-toxic antivirals against adenovirus, we have developed a permissive animal model based on the Syrian hamster that can be used to test the efficacy of antiviral compounds...
June 13, 2017: Viruses
https://www.readbyqxmd.com/read/28601128/expanded-valganciclovir-prophylaxis-in-kidney-transplant-recipients-is-associated-with-lower-incidence-of-cytomegalovirus-infection
#4
Željka Večerić-Haler, Boštjan Bizjak, Karmen Romozi, Miha Arnol
AIMS: The aim of this study was to compare the efficacy and safety of two subsequent CMV prophylaxis regimens for prevention of cytomegalovirus (CMV) infection and disease in our kidney transplant recipients (KTRs). METHODS: In an historic-cohort of KTRs, two CMV prophylaxis protocols were compared: short protocol in which CMV IgG seronegative recipients (R-) of CMV IgG seropositive donors (D+) received valganciclovir for 3 months post-transplant (group 1: 2005 - 2010); and expanded protocol in which prophylaxis for high-risk recipients was extended to 6 months, and a 3-month prophylaxis for D+/R+ and D-/R+ was introduced (group 2: 2011 - 2016)...
June 9, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28580733/case-report-of-a-primary-effusion-lymphoma-successfully-treated-with-oral-valganciclovir-after-failing-chemotherapy
#5
Juan Marquet, Kyra Velazquez-Kennedy, Sandra López, Amparo Benito, María-Jesús Blanchard, Jose Antonio Garcia-Vela
Primary effusion lymphoma is a rare non-Hodgkin lymphoma that presents with pleural effusions and lacking of tumour mass. It is universally associated with human herpesvirus 8 (HHV8) and is more frequent among immunosuppressed patients. There is no standard treatment, chemotherapy and anti-HIV therapy have been used with poor results, but there is still no strong evidence supporting the use of valganciclovir. We present the case of a HIV positive man that presented with pleural effusion compatible with primary effusion lymphoma and positivity for HHV8 DNA in blood...
June 4, 2017: Hematological Oncology
https://www.readbyqxmd.com/read/28524216/-update-on-congenital-and-neonatal-herpes-infections-infection-due-to-cytomegalovirus-and-herpes-simplex
#6
F Baquero-Artigao
Newborn infants are a population which is especially susceptible to viral infections that frequently affect the central nervous system. Herpes infections can be transmitted to the foetus and to the newborn infant, and give rise to severe clinical conditions with long-term sensory and cognitive deficits. Two thirds of newborn infants with encephalitis due to herpes simplex virus and half of the children with symptomatic congenital infection by cytomegalovirus develop sequelae, which results in high community health costs in the long term...
May 17, 2017: Revista de Neurologia
https://www.readbyqxmd.com/read/28513810/epstein-barr-virus-encephalitis-in-solid-organ-transplantation
#7
Jillian S Y S Y, Zhi Mei Low, Iain Abbott, Lani Shochet, John Kanellis, Richard A Kitching, Tony M Korman
Epstein-Barr virus (EBV) is typically associated with post transplant lymphoproliferative disease (PTLD) after solid organ and stem cell transplantation. However, it is rarely associated with neurological complications. We report a case of severe encephalitis complicating primary EBV infection six months post renal transplantation, and review the literature on EBV encephalitis in solid organ transplantation in adults. A 55-year-old male presented 6 months post cadaveric renal transplant with headache, fever and confusion...
May 17, 2017: New Microbiologica
https://www.readbyqxmd.com/read/28489256/clinical-and-virologic-outcomes-in-high-risk-adult-ebv-mismatched-organ-transplant-recipients
#8
Deepali Kumar, Nikhil Patil, Shahid Husain, Cecilia Chaparro, Mamatha Bhat, S Joseph Kim, Atul Humar
EBV D+/R- organ transplant recipients are a high-risk group for developing PTLD. Little data are available for prevention in the adult EBV mismatched population. We conducted a retrospective study of EBV D+/R- organ transplants performed during 2002-2014. Of the 153 patients identified, 82.4% patients received antiviral prophylaxis with valganciclovir for a median of 4.5 months (range 0.8-22 months) and 36.6% underwent viral load monitoring in the first post-transplant year. EBV viremia developed in 67.2% monitored patients...
May 10, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28481774/a-common-anti-cmv-drug-ganciclovir-inhibits-hiv-1-replication-in-human-tissues-ex-vivo
#9
Christophe Vanpouille, Jean A Bernatchez, Andrea Lisco, Anush Arakelyan, Elisa Saba, Matthias Götte, Leonid Margolis
: Cytomegalovirus (CMV) is a common HIV-1 copathogen. Since CMV infection is an important contributor to immune activation, the driving force of HIV disease, an anti-CMV strategy might be beneficial to HIV-infected patients. Shin et al. reported that anti-CMV therapy with valganciclovir in coinfected individuals results in a decrease of HIV viral load that is not accompanied by a decrease of immune activation. This suggests an alternative mechanism for HIV inhibition other than suppression of CMV-mediated inflammation...
May 5, 2017: AIDS
https://www.readbyqxmd.com/read/28437539/safety-and-efficacy-of-antiviral-therapy-for-prevention-of-cytomegalovirus-reactivation-in-immunocompetent-critically-ill-patients-a-randomized-clinical-trial
#10
Nicholas J Cowley, Andrew Owen, Sarah C Shiels, Joanne Millar, Rebecca Woolley, Natalie Ives, Husam Osman, Paul Moss, Julian F Bion
Importance: Latent cytomegalovirus (CMV) infection is present in more than half the adult population, and a viral reactivation (ie, when the virus becomes measurable in body fluids such as blood) can occur in up to one-third of these individuals during episodes of critical illness. Objective: To determine whether antiviral therapy is safe and effective for preventing CMV reactivation in a general population of critically ill patients. Design, Setting, and Participants: A single-center, open-label, randomized, controlled clinical trial recruited 124 CMV-seropositive patients undergoing mechanical ventilation for at least 24 hours in the intensive care unit between January 1, 2012, and January 31, 2014...
June 1, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28395563/persistent-intestinal-bleeding-due-to-severe-cmv-related-thrombocytopenia-in-a-preterm-newborn
#11
Alberto Berardi, Eugenio Spaggiari, Chiara Cattelani, Maria Federica Roversi, Monica Pecorari, Tiziana Lazzarotto, Fabrizio Ferrari
The optimal threshold for neonatal platelet transfusions in sick newborns is still uncertain. We report a congenital cytomegalovirus (CMV) infection in a premature neonate with severe thrombocytopenia who subsequently presented with necrotizing enterocolitis and intestinal bleeding. The baby recovered after platelet transfusions were discontinued and the therapy was switched from intravenous ganciclovir to oral valganciclovir. We discuss both measures, speculating on the key role of platelet transfusions.
April 11, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28389165/cytomegalovirus-retinitis-followed-by-immune-recovery-uveitis-in-an-elderly-patient-with-rheumatoid-arthritis-undergoing-administration-of-methotrexate-and-tofacitinib-combination-therapy
#12
Kunio Yanagisawa, Yoshiyuki Ogawa, Mayumi Hosogai, Daisuke Todokoro, Takeki Mitsui, Akihiko Yokohama, Shoji Kishi, Hiroshi Handa
Cytomegalovirus (CMV) retinitis is an opportunistic ocular infection most commonly observed in patients infected with human immunodeficiency virus (HIV). We present a rare case of CMV retinitis that developed in a non-HIV patient with rheumatoid arthritis (RA). Over the preceding 5 months, a family doctor had been treating the 78-year-old male patient with a combination therapy of methotrexate (MTX) and tofacitinib (TOF). CMV retinitis occurred when the patient's CD4+ T cells were low (196 cells/μl), and preceded the onset of Pneumocystis pneumonia...
April 4, 2017: Journal of Infection and Chemotherapy: Official Journal of the Japan Society of Chemotherapy
https://www.readbyqxmd.com/read/28383392/valganciclovir-dosing-for-cytomegalovirus-prophylaxis-in-pediatric-solid-organ-transplant-recipients-a-prospective-pharmacokinetic-study
#13
Orit Peled, Matitiahu Berkovitch, Eran Rom, Efraim Bilavsky, Yael Bernfeld, Lev Dorfman, Adi Pappo, Tomer Ziv-Baran, Nurit Brandriss, Adina Bar-Haim, Jacob Amir, Liat Ashkenazi-Hoffnung
BACKGROUND: Valganciclovir is extensively used for prophylaxis and treatment of CMV infection in solid-organ transplant recipients. However, pharmacokinetic data in children are scarce, and the pediatric dosing regimen is uncertain. This study sought to prospectively evaluate the pharmacokinetic profile, the clinical efficacy and safety of oral valganciclovir in pediatric transplant recipients and compare different dosing regimens. METHODS: The cohort included solid-organ transplant recipients treated with valganciclovir for CMV prophylaxis in 2014-2015 at a tertiary pediatric medical center...
April 5, 2017: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/28376627/severe-acute-hepatitis-and-cold-agglutinin-related-hemolytic-anemia-secondary-to-prime-infection-with-epstein-barr-virus
#14
Guillermo Ontanilla Clavijo, Julia Praena Segovia, Álvaro Giráldez Gallego, María Elisa Cordero Matía, José Manuel Sousa Martín
Epstein-Barr virus, a member of the Herpesviridae family, is responsible for the infectious mononucleosis clinical syndrome, which mainly includes the pharyngitis, fever, and lymphadenopathy triad after incubation for 30-50 days. The liver is involved in 80-90% of patients in a self-limiting transient manner, with jaundice being much more uncommon (5%). From a hematological standpoint it may manifest aplastic anemia, neutropenia, and thrombocytopenia. We report a case of infectious mononucleosis that included severe acute hepatitis and was associated with severe hemolytic anemia secondary to cold agglutinins...
April 3, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28340829/impact-of-prophylaxis-vs-pre-emptive-approach-for-cytomegalovirus-infection-in-kidney-transplant-recipients
#15
O Kır, A Zeytinoğlu, B Arda, M Yılmaz, G Aşçı, H Töz
Cytomegalovirus (CMV) is the most common viral infection during the post-transplant period, and it is one of the major causes of morbidity and mortality in kidney transplantation. In this study, the incidence and impact of pre-emptive and prophylactic approaches and long-term effects on graft and patient survival of CMV infection were investigated. Among 493 adult kidney transplant recipients, pretransplant CMV IgG-negative patients and patients with a follow-up shorter than a month were excluded. The patients were divided into 2 groups: pre-emptive group (n = 187, regular screening and acyclovir 400 mg twice daily for 6 months), and prophylaxis group (n = 275, valganciclovir 450 mg/d for 3 months)...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28340807/prevalence-of-human-herpesvirus-8-and-bk-polyoma-virus-infections-in-end-stage-renal-disease-and-the-influence-of-renal-transplantation
#16
A Turkmen, O Guven, S Mese, A Agacfidan, B Yelken, M Onel, Y Caliskan, G Celik, S Turkoglu, B Kocak
Viral infections lead to significant morbidity and mortality in kidney transplant recipients. We evaluated 49 kidney transplant recipients for human herpesvirus 8 (HHV-8) and BK polyomavirus infections in conjunction with data obtained from 43 donors. The seroprevalence of HHV-8 was 6.9% in donors and 12.2% in recipients. HHV-8 DNA was detected below the limit of quantification (<5000 copies/mL) in a recipient with HHV-8 seropositivity at the pretransplant period and was undetectable at month 3 after transplantation...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28326649/leflunomide-for-the-treatment-of-trichodysplasia-spinulosa-in-a-liver-transplant-recipient
#17
Rawan Kassar, Janis Chang, An-Wen Chan, Leslie B Lilly, Ayman Al Habeeb, Coleman Rotstein
Trichodysplasia spinulosa (TS) is a rare dermatologic complication associated with the immunosuppressive therapy used in solid organ transplantation. The distinctive clinical manifestation of this condition is spiny follicular papules on the face, ears, extremities, and trunk. Histopathologically, abnormally maturing hair follicles with hyperkeratotic material are noted. The condition is produced by the trichodysplasia spinulosa-associated polyomavirus. Treatment of this condition in the past has entailed a reduction in immunosuppression, topical agents such as cidofovir or retinoidsm or oral valganciclovir...
March 22, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28299191/cytomegalovirus-in-pregnancy-and-the-neonate
#18
REVIEW
Vincent C Emery, Tiziana Lazzarotto
Congenital cytomegalovirus (CMV) remains a leading cause of disability in children. Understanding the pathogenesis of infection from the mother via the placenta to the neonate is crucial if we are to produce new interventions and provide supportive mechanisms to improve the outcome of congenitally infected children. In recent years, some major goals have been achieved, including the diagnosis of primary maternal CMV infection in pregnant women by using the anti-CMV IgG avidity test and the diagnosis and prognosis of foetal CMV infection by using polymerase chain reaction real-time tests to detect and quantify the virus in amniotic fluid...
2017: F1000Research
https://www.readbyqxmd.com/read/28279287/a-42-year-old-woman-with-anemia-shock-and-ischemic-stroke-after-lung-transplantation
#19
Abhishek Biswas, Ali Ataya, Juan C Salgado, Satish Chandrasekharan, Tiago N Machuca, Amir M Emtiazjoo
A 42-year-old woman with mixed connective tissue disease-associated interstitial lung disease underwent bilateral lung transplantation. She had an uneventful surgery and was extubated 3 h later. Induction immunosuppression therapy included methylprednisolone 500 mg intraoperatively, basiliximab (anti-IL-2 monoclonal antibody) on days 0 and 4 after transplantation, and methylprednisolone 125 mg intravenously bid for 2 days following surgery. Maintenance immunosuppression therapy consisted of prednisone 20 mg daily, mycophenolate mofetil 750 mg bid, and enteral tacrolimus 0...
March 2017: Chest
https://www.readbyqxmd.com/read/28260458/successful-cost-effective-prevention-of-cytomegalovirus-disease-in-kidney-transplant-recipients-using-low-dose-valganciclovir
#20
Osama Gheith, Medhat A Halim, Torki Al-Otaibi, Hany Mansour, Ahmed Mosaad, Hassanein Abo Atteya, Zakaria Zakaria, Tarek Said, Prasad Nair, Narayanam Nampoory
OBJECTIVES: Low-dose valganciclovir prophylaxis is still under investigation in renal transplant procedures. Our aim was to assess the cost effectiveness of 450 mg versus 900 mg valganciclovir prophylaxis in kidney transplant recipients. MATERIALS AND METHODS: In this prospective trial, 201 kidney transplant patients were randomized (1:1) to receive 450 mg/d (group 1, n = 100) or 900 mg/d (group 2, n = 101) valganciclovir prophylaxis for the first 6 months after transplant...
February 2017: Experimental and Clinical Transplantation
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