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Renal, kidney, renal transplant

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https://www.readbyqxmd.com/read/29792716/options-to-improve-the-quality-of-kidney-grafts-from-expanded-criteria-donors-experimental-study
#1
J Molacek, V Opatrný, V Treska, R Matejka, O Hes
INTRODUCTION: There is a worldwide discrepancy between the number of donors and the number of organs needed for transplantation, leading to certain expansion of criteria, resulting in acceptance of donor organs. This means that organs with worse parenchymal qualities may be harvested for transplantation. One possibility, how to ameliorate the quality of these organs, is to change the concept of their preservation during cold ischemia or even after sudden circulatory arrest, prior to the collection of the organ itself...
2018: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/29792274/ex-vivo-expanded-natural-regulatory-t-cells-from-patients-with-end-stage-renal-disease-or-kidney-transplantation-are-useful-for-autologous-cell-therapy
#2
Sybille Landwehr-Kenzel, Anne Zobel, Henrike Hoffmann, Niels Landwehr, Michael Schmueck-Henneresse, Thomas Schachtner, Andy Roemhild, Petra Reinke
Novel concepts employing autologous, ex vivo expanded natural regulatory T cells (nTreg) for adoptive transfer has potential to prevent organ rejection after kidney transplantation. However, the impact of dialysis and maintenance immunosuppression on the nTreg phenotype and peripheral survival is not well understood, but essential when assessing patient eligibility. The current study investigates regulatory T-cells in dialysis and kidney transplanted patients and the feasibility of generating a clinically useful nTreg product from these patients...
June 2018: Kidney International
https://www.readbyqxmd.com/read/29791905/disparities-in-chronic-kidney-disease-prevalence-among-males-and-females-in-195-countries-analysis-of-the-global-burden-of-disease-2016-study
#3
Boris Bikbov, Norberto Perico, Giuseppe Remuzzi
BACKGROUND: Chronic kidney disease (CKD) imposes a substantial burden on health care systems. There are some especially vulnerable groups with a high CKD burden, one of which is women. We performed an analysis of gender disparities in the prevalence of all CKD stages and renal replacement therapy (defined as impaired kidney function [IKF]) in 195 countries. METHODS: We used estimates produced by the Global Burden of Disease (GBD) Study 2016 revision using a Bayesian-regression analytic tool, DisMoD-MR 2...
May 23, 2018: Nephron
https://www.readbyqxmd.com/read/29791896/deterioration-of-cortical-bone-microarchitecture-critical-component-of-renal-osteodystrophy-evaluation
#4
Ashish K Sharma, Nigel D Toussaint, Rosemary Masterson, Stephen G Holt, Chamith S Rajapakse, Peter R Ebeling, Sindhu T Mohanty, Paul Baldock, Grahame J Elder
BACKGROUND: Cortical bone is a significant determinant of bone strength and its deterioration contributes to bone fragility. Thin cortices and increased cortical porosity have been noted in patients with chronic kidney disease (CKD), but the "Turnover Mineralization Volume" classification of renal osteodystrophy does not emphasize cortical bone as a key parameter. We aimed to assess trabecular and cortical bone microarchitecture by histomorphometry and micro-CT in patients with CKD G5 and 5D (dialysis)...
May 23, 2018: American Journal of Nephrology
https://www.readbyqxmd.com/read/29791697/total-laparoscopic-hysterectomy-in-the-setting-of-prior-bilateral-renal-transplant-a-case-report-and-review-of-the-literature
#5
Nupur Tamhane, Entidhar Al Sawah, Emad Mikhail
In recent years, more women are undergoing renal transplantation as a treatment for end-stage renal disease. Women with kidney transplants are prone to certain gynecologic issues which might necessitate hysterectomy. Laparoscopic hysterectomy can safely be performed in patients with prior unilateral or bilateral renal transplantation. Laparoscopy offers magnification of anatomy, decreased wound-related problems, and continuation of immunosuppression therapy. We present a case report and review of the literature for total laparoscopic hysterectomy and bilateral salpingectomy for a patient with prior bilateral renal transplant...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29790388/graft-function-assessment-in-mouse-models-of-single-and-dual-kidney-transplantation
#6
Lei Wang, Ximing Wang, Shan Jiang, Jin Wei, Jacentha Buggs, Liying Fu, Jie Zhang, Ruisheng Liu
Animal models of kidney transplantation (KTX) are widely used in studying immune response of hosts to implanted grafts. Additionally, KTX can be used in generating kidney-specific knockout animal models by transplantation of kidneys from donors with global knockout of a gene to wild type recipients or vise verse. Dual kidney transplantation (DKT) provides a more physiological environment for recipients than single kidney transplantation (SKT). However, DKT in mice is rare due to technical challenges. In this study, we successfully performed DKT in mice and compared the hemodynamic response and graft function with SKT...
May 23, 2018: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/29790212/dopamine-in-transplantation-written-off-or-comeback-with-novel-indication
#7
REVIEW
Peter Schnuelle, Urs Benck, Benito A Yard
Renal-dose dopamine has fallen out of favor in the intensive care unit (ICU) during past years due to its ineffectiveness to prevent impending or to ameliorate overt renal failure in the critically ill. By contrast, growing evidence indicates that low-dose dopamine administered to the stable organ donor after brain death confirmation improves the clinical course of transplanted organs after kidney and heart transplantation. Ensuring a thorough monitoring for potential circulatory side effects, employment of dopamine at a dose of 4 μg/kg per minute is safe in the deceased donor...
May 23, 2018: Clinical Transplantation
https://www.readbyqxmd.com/read/29790081/transplant-renal-vein-thrombosis-in-a-recipient-with-aberrant-venous-anatomy
#8
Lyndsey Thiessen, Sarah MacDonell, Chris Wall, Preman Jacob, Ahmed Shoker, Michael A J Moser
Renal vein thrombosis in a transplanted kidney is an uncommon but critical complication that can result in graft loss if management is delayed. A 31-year-old male with known atresia of the inferior vena cava who received a deceased donor renal transplant 7 years previously presented to hospital with severe graft site pain and a week of nausea, vomiting, and chills. Serum creatinine was markedly elevated from baseline. Sonographic examination revealed external iliac vein thrombosis with extension of the thrombus into the transplant renal vein...
May 22, 2018: CEN Case Reports
https://www.readbyqxmd.com/read/29789935/potential-use-of-stem-cells-as-a-therapy-for-cystinosis
#9
REVIEW
Celine J Rocca, Stephanie Cherqui
Cystinosis is an autosomal recessive metabolic disease that belongs to the family of lysosomal storage disorders (LSDs). Initial symptoms of cystinosis correspond to the renal Fanconi syndrome. Patients then develop chronic kidney disease and multi-organ failure due to accumulation of cystine in all tissue compartments. LSDs are commonly characterized by a defective activity of lysosomal enzymes. Hematopoietic stem and progenitor cell (HSPC) transplantation is a treatment option for several LSDs based on the premise that their progeny will integrate in the affected tissues and secrete the functional enzyme, which will be recaptured by the surrounding deficient cells and restore physiological activity...
May 22, 2018: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/29787522/belatacept-in-solid-organ-transplant-review-of-current-literature-across-transplant-types
#10
Caroline P Perez, Neha Patel, Caitlin R Mardis, Holly B Meadows, David J Taber, Nicole A Pilch
Calcineurin inhibitors (CNIs) have been the backbone immunosuppressant for solid organ transplant recipients for decades. Long-term use of CNIs unfortunately is associated with multiple toxicities, with the biggest concern being CNI-induced nephrotoxicity. Belatacept is a novel agent approved for maintenance immunosuppression in renal transplant recipients. In the kidney transplant literature, it has shown promise as being an alternative agent by preserving renal function and having a minimal adverse effect profile...
May 22, 2018: Transplantation
https://www.readbyqxmd.com/read/29785131/epidemiology-susceptibility-and-risk-factors-for-acquisition-of-mdr-xdr-gram-negative-bacteria-among-kidney-transplant-recipients-with-urinary-tract-infections
#11
Xiuhong Yuan, Taohua Liu, Di Wu, Qiquan Wan
Background: Multiple drug resistant/extensively drug resistant (MDR/XDR) Gram-negative urinary tract infections (UTIs) represent a growing threat to kidney transplant recipients. This retrospective study aimed to assess the incidence and microbiological profile of MDR/XDR Gram-negative UTIs, to identify drug susceptibility of MDR/XDR bacteria, and to determine the potential risk factors for MDR/XDR UTIs in kidney recipients. Materials and methods: During the study period, 1569 patients underwent consecutive kidney transplantation in two transplantation centers...
2018: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29782877/analysis-of-spontaneous-resolution-of-cytomegalovirus-replication-after-transplantation-in-cmv-seropositive-patients-with-pretransplant-cd8-ifng-response
#12
Aurora Páez-Vega, Antonio Poyato, Alberto Rodriguez-Benot, Lluis Guirado, Jesús Fortún, Oscar Len, Edson Abdala, María C Fariñas, Elisa Cordero, Carmen de Gracia, Domingo Hernández, Rafael González, Julián Torre-Cisneros, Sara Cantisán
This prospective study evaluates whether CMV-seropositive (R+) transplant patients with pretransplant CD8+IFNG+ T-cell response to cytomegalovirus (CMV) (CD8+IFNG+ response) can spontaneously clear the CMV viral load without requiring treatment. A total of 104 transplant patients (kidney/liver) with pretransplant CD8+IFNG+ response were evaluable. This response was determined using QuantiFERON-CMV assay. The incidence of CMV replication and disease was 45.2% (47/104) and 6.7% (7/104), respectively. Of the total patients, 77...
May 18, 2018: Antiviral Research
https://www.readbyqxmd.com/read/29782263/-nonvalvular-atrial-fibrillation-and-diabetic-nephropathy-epidemiology-prognosis-and-choice-of-anticoagulant-therapy
#13
N A Koziolova, E A Polyanskaya, M V Surovtseva, P G Karavaev
In this review we present data on prevalence of atrial fibrillation (AF) among patients with type 2 diabetes (T2D), diabetic nephropathy and chronic kidney disease (CKD). Patients with nonvalvular AF and T2D combined with CKD have elevated risk of both bleeding and thromboembolic complications, as well as of all cause death. Efficacy and safety of novel oral anticoagulants (NOAC) depend on comorbidities and can be determined by the presence of T2D and/or diabetic nephropathy. Use of warfarin in CKD in some cases provides no preventive effect relative to risk of stroke and is characterized by increased risk of bleeding because of poor INR control, and possibly development of calcification of arteries...
April 2018: Kardiologiia
https://www.readbyqxmd.com/read/29781948/outcomes-of-pediatric-abo-incompatible-living-kidney-transplantations-from-2002-to-2015-an-analysis-of-the-japanese-kidney-transplant-registry
#14
Motoshi Hattori, Makiko Mieno, Seiichiro Shishido, Atsushi Aikawa, Hidetaka Ushigome, Shinichi Ohshima, Kota Takahashi, Akira Hasegawa
BACKGROUND: Extensive data have been accumulated for adults who have undergone ABO-incompatible (ABOi)-living kidney transplantation (LKT). In contrast, available published data on pediatric recipients who underwent ABOi-LKT from the early to middle 2000s is very limited. Thus, pediatric ABOi-LKT has remained relatively rare and there is a lack of large, multicenter data. METHODS: We analyzed data from the Japanese Kidney Transplant Registry to clarify the patient and graft outcomes of pediatric recipients who underwent ABOi-LKT from 2002 to 2015...
April 30, 2018: Transplantation
https://www.readbyqxmd.com/read/29780607/renal-cell-carcinoma-in-a-cat-with-polycystic-kidney-disease-undergoing-renal-transplantation
#15
Daniel J Adams, Jolie A Demchur, Lillian R Aronson
Case summary: A 10-year-old spayed female American Shorthair cat underwent renal transplantation due to worsening chronic kidney disease secondary to polycystic kidney disease. During transplantation, the right kidney grossly appeared to be more diseased than the left and was firmly adhered to the surrounding tissues. An intraoperative fine-needle aspirate of the right native kidney revealed inflammatory cells but no evidence of neoplasia. To create space for the allograft, a right nephrectomy was performed...
January 2018: JFMS Open Reports
https://www.readbyqxmd.com/read/29780418/biological-and-clinical-effects-of-calciprotein-particles-on-chronic-kidney-disease-mineral-and-bone-disorder
#16
REVIEW
Kenichi Akiyama, Takaaki Kimura, Kazuhiro Shiizaki
Calciprotein particles (CPPs) are a new biological marker of chronic kidney disease-mineral and bone disorder (CKD-MBD). CPPs consist of phosphate, calcium, and some proteins, with phosphate being the major contributor to the level and biological activity of CPPs. Recent studies have shown the physiological and pathological significance of CPPs, including contributions to bone and mineral metabolism, and to tissue and organ impairments such as cardiovascular damage and inflammatory responses. These actions are well known as important aspects of CKD-MBD...
2018: International Journal of Endocrinology
https://www.readbyqxmd.com/read/29780413/experience-with-renal-autotransplantation-typical-and-atypical-indications
#17
Ali Bourgi, Rana Aoun, Elias Ayoub, Maroun Moukarzel
Introduction and Objectives: Renal autotransplantation is a kidney-saving surgical procedure used in selected patients. The purpose of this report is to review nine typical and atypical indications for kidney autotransplantation and evaluate its effectiveness in maintaining kidney function and avoiding cancer recurrence. Materials and Methods: From 1999 till 2014, nine renal autotransplantations were performed in our center. A retrospective case review was done...
2018: Advances in Urology
https://www.readbyqxmd.com/read/29779413/tailoring-tacrolimus-therapy-in-kidney-transplantation
#18
Thomas Jouve, Johan Noble, Lionel Rostaing, Paolo Malvezzi
BACKGROUND: The prevalence of end-stage renal disease is increasing worldwide. The best treatment is kidney transplantation, although life-long immunosuppressive therapy is then mandatory. Currently, the cornerstone immunosuppressive therapy relies on tacrolimus, a calcineurin inhibitor that is nephrotoxic but whose exposition can be minimized in a delicate balance. Area covered: We addressed whether, in the setting of kidney transplantation, tacrolimus-based therapy can be tailored to medical needs: to achieve this, we searched for suitable articles in PubMed...
May 19, 2018: Expert Review of Clinical Pharmacology
https://www.readbyqxmd.com/read/29778558/successful-kidney-transplant-with-eculizumab-thymoglobulin-and-belatacept-therapy-in-a-highly-sensitised-patient-with-atypical-haemolytic-uraemic-syndrome-due-to-factor-h-mutation
#19
John Fredy Nieto-Ríos, Mónica Zuluaga-Quintero, Diana Carolina Bello-Márquez, Arbey Aristizabal-Alzate, Catalina Ocampo-Kohn, Lina María Serna-Higuita, Lina Arias, Gustavo Zuluaga-Valencia
Atypical haemolytic uremic syndrome is a disease caused by complement regulation abnormalities that generally progresses to chronic end-stage renal disease with a high rate of recurrence in kidney transplantation and a high risk of graft loss. Anti-complement therapy has improved the prognosis of these patients, achieving disease remission in most cases, increasing the likelihood of a successful kidney transplant and increasing patient and graft survival. Drugs with low risk of induction of thrombotic microangiopathies such as belatacept and mycophenolate have also been used with satisfactory results...
May 16, 2018: Nefrología: Publicación Oficial de la Sociedad Española Nefrologia
https://www.readbyqxmd.com/read/29776389/what-is-the-impact-of-human-leukocyte-antigen-mismatching-on-graft-survival-and-mortality-in-renal-transplantation-a-meta-analysis-of-23-cohort-studies-involving-486-608-recipients
#20
Xinmiao Shi, Jicheng Lv, Wenke Han, Xuhui Zhong, Xinfang Xie, Baige Su, Jie Ding
BACKGROUND: The magnitude effects of human leukocyte antigen (HLA) mismatching on post-transplant outcomes of kidney transplantation remain controversial. We aim to quantitatively assess the associations of HLA mismatching with graft survival and mortality in adult kidney transplantation. METHODS: We searched PubMed, EMBASE and the Cochrane Library from their inception to December, 2016. Priori clinical outcomes were overall graft failure, death-censored graft failure and all-cause mortality...
May 18, 2018: BMC Nephrology
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