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https://www.readbyqxmd.com/read/29664432/disseminated-adenovirus-infection-in-heart-and-kidney-transplant
#1
Jack Xu, Keval V Patel, Melroy Dsouza, Jesus Almendral, Kanika Mody, Deepa Iyer
Presently described is a case of disseminated adenovirus infection in a heart-kidney transplant recipient that was successfully treated with cidofovir. There are several reports of adenovirus infections in adult solid organ transplant recipients and the prognosis is usually poor, with mortality rates of 40% to 60%. Severe disseminated adenovirus infections have been associated with increased risk of adverse transplant events, such as rejection, ventricular dysfunction, allograft vasculopathy, graft loss, and the need for re-transplantation...
April 2018: Türk Kardiyoloji Derneği Arşivi: Türk Kardiyoloji Derneğinin Yayın Organıdır
https://www.readbyqxmd.com/read/29661424/intravenous-immunoglobulin-and-rituximab-in-hla-highly-sensitized-kidney-transplant-recipients
#2
S Querido, A Weigert, T Adragão, J Henriques, R Birne, P Matias, C Jorge, C Nascimento, M Bruges, D Machado
INTRODUCTION: HLA-sensitized patients are penalized both in the access to kidney transplantation (KT) and, once transplanted, in the incidence of rejections and long-term allograft survival despite aggressive induction and maintenance therapy. METHODS: This study retrospectively evaluates the impact of combining T- and B-cell-depleting agents and intravenous immunoglobulin for induction therapy in 45 highly sensitized KT patients (anti-panel reactive antibodies >60%, positive flow cytometry crossmatch or donor specific antibodies at the time of transplantation)...
April 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29603514/sexual-acquisition-of-hiv-infection-after-solid-organ-transplantation-late-presentation-and-potentially-fatal-complications
#3
M P Cristelli, M A Mazolin, C Manzardo, M S J Ribeiro, F Cofán, D W C Santos, M A Castel, H Tedesco-Silva, A Moreno, F Diekman, J M Miro, J O Medina-Pestana
INTRODUCTION: While the growing knowledge on HIV among solid organ transplant recipients (SOT) is limited to either pretransplant infection or allograft transmission, there are only sparse reports describing HIV-infection after transplantation through sexual route, the primary mode of transmission in the general population. METHODS: From two different centers, we report nine new cases of HIV infection in SOT recipients attributed to sexual acquisition: eight cases of kidney-transplant recipients and one heart-transplant recipient...
March 30, 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29602717/skin-xenotransplantation-historical-review-and-clinical-potential
#4
REVIEW
Takayuki Yamamoto, Hayato Iwase, Timothy W King, Hidetaka Hara, David K C Cooper
Half a million patients in the USA alone require treatment for burns annually. Following an extensive burn, it may not be possible to provide sufficient autografts in a single setting. Pig skin xenografts may provide temporary coverage. However, preformed xenoreactive antibodies in the human recipient activate complement, and thus result in rapid rejection of the graft. Because burn patients usually have some degree of immune dysfunction and are therefore at increased risk of infection, immunosuppressive therapy is undesirable...
March 27, 2018: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/29599935/bk-virus-associated-collecting-duct-carcinoma-of-the-renal-allograft-in-a-kidney-pancreas-allograft-recipient
#5
Myriam Dao, Adrien Pécriaux, Thomas Bessede, Antoine Dürrbach, Charlotte Mussini, Catherine Guettier, Sophie Ferlicot
BK polyomavirus (BKV) nephropathy is a major concern in renal transplantation. Its main consequence is graft loss, which occurs in more than 50% of the cases. De novo renal cell carcinoma in renal allograft is a very rare event. Most of these tumors are papillary or clear cell carcinomas. We report herein the first case of collecting duct carcinoma of the renal allograft in a kidney-pancreas allograft adult recipient. Collecting duct carcinoma occurs long after the cure of a BKV nephropathy. At this time, BKV viremia and viruria were negative as well as the immunostaining for SV40 in the non-tumor kidney...
March 13, 2018: Oncotarget
https://www.readbyqxmd.com/read/29557528/intraoperative-red-blood-cell-transfusion-delayed-graft-function-and-infection-after-kidney-transplant-an-observational-cohort-study
#6
Michael Mazzeffi, Srikar Jonna, Natalia Blanco, Orestes Mavrothalassitis, Obi Odekwu, Magali Fontaine, Peter Rock, Kenichi Tanaka, Kerri Thom
BACKGROUND: Kidney transplant patients are frequently anemic and at risk for red blood cell (RBC) transfusion. Previous studies suggest that pre-transplant RBC transfusion may improve kidney transplant outcomes; however, RBC transfusion is also associated with infection. The purpose of our study was to characterize the relationships between intraoperative RBC transfusion, delayed graft function (DGF), postoperative surgical site infection (SSI), and sepsis. METHODS: Analysis was performed on a historical cohort of adult kidney transplant patients from a single medical center during a two-year period...
March 20, 2018: Journal of Anesthesia
https://www.readbyqxmd.com/read/29528009/renal-allograft-with-calcium-oxalate-deposition-association-with-urinary-tract-infection-and-development-of-interstitial-fibrosis
#7
B Handan Özdemir, Şebnem Ayva, Gökçe Özdemir, Alev Ok Atılgan, Eda Akçay, F Nurhan Özdemir, Mehmet Haberal
OBJECTIVES: The interaction between calcium oxalate deposition and urinary tract infection is not well established. We aimed to identify the association between these and to determine the role of calcium oxalate deposition on interstitial fibrosis development. MATERIALS AND METHODS: Renal allograft biopsies of 967 patients were reviewed to identify those with calcium oxalate deposition in the renal allograft, with 27 (2.8%) identified. Follow-up biopsies were conducted to reevaluate for calcium oxalate presence and interstitial fibrosis development...
March 2018: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29527269/outcomes-of-kidney-transplantation-in-patients-with-hepatitis-b-virus-infection-a-systematic-review-and-meta-analysis
#8
Charat Thongprayoon, Wisit Kaewput, Konika Sharma, Karn Wijarnpreecha, Napat Leeaphorn, Patompong Ungprasert, Ankit Sakhuja, Franco H Cabeza Rivera, Wisit Cheungpasitporn
AIM: To assess outcomes of kidney transplantation including patient and allograft outcomes in recipients with hepatitis B virus (HBV) infection, and the trends of patient's outcomes overtime. METHODS: A literature search was conducted using MEDLINE, EMBASE and Cochrane Database from inception through October 2017. Studies that reported odds ratios (OR) of mortality or renal allograft failure after kidney transplantation in patients with HBV [defined as hepatitis B surface antigen (HBsAg) positive] were included...
February 27, 2018: World Journal of Hepatology
https://www.readbyqxmd.com/read/29507857/importance-of-physical-capacity-and-the-effects-of-exercise-in-heart-transplant-recipients
#9
REVIEW
Marianne Yardley, Lars Gullestad, Kari Nytrøen
One of the most important prognostic factors in heart failure patients is physical capacity. Patients with very poor physical performance and otherwise eligible, may be listed as candidates for heart transplantation (HTx). After such surgery, life-long immunosuppression therapy is needed to prevent rejection of the new heart. The dark side of immunosuppression is the increased risk of infections, kidney failure, cancer and advanced atherosclerosis (cardiac allograft vasculopathy), with the two latter conditions as the main causes of later mortality...
February 24, 2018: World Journal of Transplantation
https://www.readbyqxmd.com/read/29507275/effect-of-angiotensin-ii-receptor-type-1-antibodies-on-kidney-allograft-function
#10
Shokoufeh Savaj, Seyedeh Ghazal Hosseini, Ahad J Ghods
INTRODUCTION: Non-human leukocyte antigen antibodies are an independent risk factor for acute rejection in kidney transplant recipients. Among them, angiotensin II receptor type 1 (ART1) antibodies can induce various effects, but their clinical importance in kidney transplant recipients has not been properly explained. This study aimed to evaluate the effect of ART1 antibodies on allograft function and hypertension in stable kidney transplant recipients. MATERIALS AND METHODS: Eighty-one kidney recipients from non- human leukocyte antigen antibodies-matched donors with stable allograft function were examined for estimated glomerular filtration rate (Chronic Kidney Disease-Epidemiology Collaboration formula) and ART1 antibodies (measured using an enzyme-linked immunosorbent assay method)...
March 2018: Iranian Journal of Kidney Diseases
https://www.readbyqxmd.com/read/29480356/non-immunologic-allograft-loss-in-pediatric-kidney-transplant-recipients
#11
Isa F Ashoor, Vikas R Dharnidharka
Non-immunologic risk factors are a major obstacle to realizing long-term improvements in kidney allograft survival. A standardized approach to assess donor quality has recently been introduced with the new kidney allocation system in the USA. Delayed graft function and surgical complications are important risk factors for both short- and long-term graft loss. Disease recurrence in the allograft remains a major cause of graft loss in those who fail to respond to therapy. Complications of over immunosuppression including opportunistic infections and malignancy continue to limit graft survival...
February 26, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29464204/tailored-rabbit-antithymocyte-globulin-induction-dosing-for-kidney-transplantation
#12
Namita Singh, Ana P Rossi, Marizela Savic, Ronald J Rubocki, Mark G Parker, John P Vella
Background: Rabbit antithymocyte globulin (rATG) is the most widely used kidney transplant induction immunotherapy in the United States. It was recently Food and Drug Administration approved for this indication with typical dose recommendations of 1.5 mg/kg for up to 7 days given via a central line. Methods: We theorized that reduced rATG dosing when compared with conventional dosing (6-10.5 mg/kg) is safe and effective, leading to development of a risk-stratified treatment protocol...
February 2018: Transplantation Direct
https://www.readbyqxmd.com/read/29409743/tolerance-induction-in-hla-disparate-living-donor-kidney-transplantation-by-facilitating-cell-enriched-donor-stem-cell-infusion-the-importance-of-durable-chimerism
#13
REVIEW
Joseph R Leventhal, Suzanne T Ildstad
Successful solid organ transplantation currently requires the life-long use of medications to suppress the immune system in order to prevent transplant rejection. Drug-based immunosuppression significantly increases the risk of infection and cancer, as well as being very costly. Development of new therapies to minimize or eliminate entirely the need for anti-rejection drugs is of great interest to the transplant community. Therapeutic cell transfer for the control of the human immune system represents a compelling approach to reduce or eliminate the need for anti-rejection drugs...
February 2, 2018: Human Immunology
https://www.readbyqxmd.com/read/29407295/bk-virus-associated-nephropathy-current-situation-in-a-resource-limited-country
#14
P Yooprasert, P Rotjanapan
BACKGROUND: Data on BK virus-associated nephropathy (BKVAN) and treatment strategy in a resource-limited country are scarce. This study aimed to evaluate epidemiology of BKVAN and its situation in Thailand. METHODS: A retrospective analysis was conducted among adult kidney transplant recipients at Ramathibodi Hospital from October 2011 to September 2016. Patients' demographic data, information on kidney transplantation, immunosuppressive therapy, cytomegalovirus and BK virus infections, and allograft outcomes were retrieved and analyzed...
January 2018: Transplantation Proceedings
https://www.readbyqxmd.com/read/29389394/plasmacytoid-dendritic-cells-important-players-in-human-kidney-allograft-rejection
#15
Barbara Reich, Susanne F Viehmann, Christian Kurts
Plasmacytoid dendritic cells are a unique dendritic cell subset that bridges innate and adaptive immune responses. They release high amounts of type I interferons in response to viral and bacterial infection. Plasmacytoid dendritic cells are thought to act as key players in renal allograft rejection, but the underlying mechanisms are unclear. Ruben et al. now demonstrate that granulocyte/macrophage colony-stimulating factor produced by renal epithelial cells is important to induce plasmacytoid dendritic cell maturation and indirect antigen presentation triggering allogeneic immune responses...
February 2018: Kidney International
https://www.readbyqxmd.com/read/29377474/a-prospective-randomized-controlled-trial-of-eculizumab-to-prevent-ischemia-reperfusion-injury-in-pediatric-kidney-transplantation
#16
Michael Kaabak, Nadeen Babenko, Ron Shapiro, Allan Zokoyev, Olga Dymova, Edward Kim
Ischemia-reperfusion injury has multiple effects on a transplanted allograft, including delayed or impaired graft function, compromised long-term survival, and an association with an increased incidence of rejection. Eculizumab, a monoclonal antibody blocking terminal complement activation, has been postulated to be an effective agent in the prevention or amelioration of IRI. We performed a single-center prospective, randomized controlled trial involving 57 pediatric kidney transplant recipients between 2012 and 2016...
January 29, 2018: Pediatric Transplantation
https://www.readbyqxmd.com/read/29359836/factors-and-outcomes-in-association-with-sepsis-differ-between-simultaneous-pancreas-kidney-and-single-kidney-transplant-recipients
#17
Thomas Schachtner, Marina Zaks, Natalie M Otto, Andreas Kahl, Petra Reinke
BACKGROUND: As immunosuppressive therapy has improved in simultaneous pancreas/kidney transplant recipients (SPKTRs), infection has become the major limitation of disease-free survival. METHODS: We studied all SPKTRs and deceased-donor kidney transplant recipients (KTRs) between 2003 and 2015. Thirty-six of 134 SPKTRs (26.9%) were diagnosed with sepsis among which 13/36 SPKTRs (36.1%) developed severe sepsis/septic shock. A control group of 98 SPKTRs without sepsis and 61/538 KTRs (11...
April 2018: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/29346260/race-risk-and-willingness-of-end-stage-renal-disease-patients-without-hepatitis-c-virus-to-accept-an-hcv-infected-kidney-transplant
#18
Maureen McCauley, Adam Mussell, David Goldberg, Deirdre Sawinski, Rodolfo N Molina, Ricarda Tomlin, Sahil D Doshi, Peter Abt, Roy Bloom, Emily Blumberg, Sanjay Kulkarni, Gabriela Esnaola, Justine Shults, Carrie Thiessen, Peter P Reese
BACKGROUND: Despite effective antiviral treatment, hundreds of kidneys from deceased donors with hepatitis C virus (HCV) are discarded annually. Little is known about the determinants of willingness to accept HCV-infected kidneys among HCV-negative patients. METHODS: At 2 centers, 189 patients undergoing initial or reevaluation for transplant made 12 hypothetical decisions about accepting HCV-infected kidneys in which we systematically varied expected HCV cure rate, allograft quality, and wait time for an uninfected kidney...
April 2018: Transplantation
https://www.readbyqxmd.com/read/29325996/direct-acting-antiviral-therapy-for-hepatitis-c-virus-infection-in-the-kidney-transplant-recipient
#19
REVIEW
Donald F Chute, Raymond T Chung, Meghan E Sise
Hepatitis C virus infection (HCV) is a common comorbidity in patients who have undergone kidney transplantation and is associated with increased morbidity and mortality compared with recipients who do not have chronic HCV infection. Because interferon-α-based therapies can precipitate acute rejection, they are relatively contraindicated after kidney transplantation. Thus, the majority of kidney transplant recipients with HCV remain untreated. There are now all-oral, interferon-free direct-acting antiviral therapies for HCV infection that are extremely effective and well tolerated in the general population...
March 2018: Kidney International
https://www.readbyqxmd.com/read/29233098/intractable-ascites-associated-with-mycophenolate-in-a-simultaneous-kidney-pancreas-transplant-patient-a-case-report
#20
Nina T Weber, Ali Sigaroudi, Alexander Ritter, Andreas Boss, Kuno Lehmann, David Goodman, Stefan Farese, Stefan Weiler, Thomas F Mueller
BACKGROUND: Mycophenolic acid (MPA), either given as an ester pro-drug or as an enteric-coated sodium salt, is the most commonly prescribed anti-proliferative immunosuppressive agent used following organ transplantation and widely applied in immune-mediated diseases. Clinicians are well aware of common adverse reactions related to MPA treatment, in particular diarrhea, leukopenia and infections. Here we report a case of severe, persistent ascites associated with MPA treatment. The otherwise unexplained and intractable ascites, requiring repeated paracenteses for more than 8 months, rapidly ceased with stopping the MPA treatment...
December 12, 2017: BMC Nephrology
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