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https://www.readbyqxmd.com/read/28535529/looking-into-the-graft-without-a-biopsy-biomarkers-of-acute-rejection-in-renal-transplantation
#1
Andrea Angeletti, Paolo Cravedi
Immunosuppression in kidney transplantation is still largely driven by center-specific protocols and adjusted according to the presence of graft dysfunction, drug toxicity or infection. Due to the current inability to titrate immunosuppression to the needs of every single patient, this approach is burdened by an increased risk of under or over-immunosuppression. To extend allograft survival, immunosuppression should be decided based on reliable biomarkers capable of quantifying the alloimmune response and/or noninvasively diagnosing acute rejection...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535522/restenosis-in-hemodialytic-fistulas-and-chronic-kidney-disease-associated-vascular-disease-two-pathologies-driven-by-metakaryotic-stem-cells
#2
Gianandrea Pasquinelli, William G Thilly, Elena V Gostjeva, Paola Todeschini, Giuseppe Cianciolo, Claudio Ronco, Gaetano La Manna
Chronic kidney disease (CKD) exacerbating vascular disease poses a major challenge to nephrology. Surgically placed vascular fistulas, as an aid to hemodialysis prior to kidney transplant, have extended many lives, while post-surgical restenosis closure of the fistula by smooth muscle cells affects many lives. When post-surgical restenosis is developed, palliative measures are almost always surgical: there are no effective drug treatments. In this study, we offer a testable hypothesis that effects of CKD on widely distributed vascular diseases and the phenomenon of fistula restenosis are both driven by the pathologic creation of non-dividing smooth muscle cells via asymmetric division of exponentially increasing metakaryotic stem cells...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28533937/a-phase-one-single-dose-open-label-clinical-safety-and-pet-mr-imaging-study-of-68-ga-dotatoc-in-healthy-volunteers
#3
Shadi A Esfahani, Stephanie Salcedo, Pedram Heidari, Onofrio A Catalano, Rachel Pauplis, Jacob Hesterman, James F Kronauge, Umar Mahmood
This prospective pilot study provides a dynamic whole body PET/MR image database, clinical safety, biodistribution profile and dosimetry of (68)Ga-DOTATOC in healthy subjects, to establish a baseline and standard reference for its use in diagnosis and treatment response evaluation among patients with somatostatin receptor expressing neoplastic diseases. Dynamic whole body PET/MR imaging was performed in 12 healthy subjects (male/female: 8/4) after injection of 242.39 ± 53.38 MBq (mean ± SD) (68)Ga-DOTATOC...
2017: American Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/28533635/tc-99m-ethylenedicysteine-and-tc-99m-dimercaptosuccinic-acid-scintigraphy-comparison-of-the-two-for-detection-of-scarring-and-differential-cortical-function
#4
Anitha Dharmalingam, Shwetal U Pawar, Sandesh V Parelkar, Suruchi S Shetye, Mangala K Ghorpade, Gundu H Tilve
CONTEXT: The differential cortical function obtained by Tc-99m EC is comparable to that of Tc-99m DMSA. However, identification of scars on Tc-99m EC images needs to be studied. AIMS: The aim of the study is to evaluate role of Tc-99m EC for detection of scarring and differential cortical function by comparing with Tc-99m DMSA. SETTINGS AND DESIGN: Prospective observational study of recurrent UTI; minimum 6 weeks after acute episode; when urine examination is negative for pus cells...
April 2017: Indian Journal of Nuclear Medicine: IJNM: the Official Journal of the Society of Nuclear Medicine, India
https://www.readbyqxmd.com/read/28533525/cellular-responses-to-t-2-toxin-and-or-deoxynivalenol-that-induce-cartilage-damage-are-not-specific-to-chondrocytes
#5
Yang Lei, Zhao Guanghui, Wang Xi, Wang Yingting, Lin Xialu, Yu Fangfang, Mary B Goldring, Guo Xiong, Mikko J Lammi
The relationship between T-2 toxin and deoxynivalenol (DON) and the risk of Kashin-Beck disease is still controversial since it is poorly known about their selectivity in cartilage damage. We aimed to compare the cytotoxicity of T-2 toxin and DON on cell lines representative of cell types encountered in vivo, including human chondrocytes (C28/I2), human hepatic epithelial cells (L-02) and human tubular epithelial cells (HK-2). In addition, we determined the distribution of T-2 toxin and DON in Sprague-Dawley (SD) rats after a single dose exposure...
May 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28532412/trends-in-healthcare-expenditure-in-united-states-adults-with-chronic-kidney-disease-2002-2011
#6
Mukoso N Ozieh, Kinfe G Bishu, Clara E Dismuke, Leonard E Egede
BACKGROUND: This study examines trends in healthcare expenditure in adults with chronic kidney disease (CKD) and other kidney diseases (OKD) in the U.S. from 2002 to 2011. METHODS: One hundred and eighty-seven thousand, three hundred and fourty-one adults aged ≥18 from the Medical Expenditure Panel Survey (MEPS) Household Component were analyzed. CKD and OKD were based on ICD-9 or CCC codes. A novel two-part model was used to estimate the likelihood of any healthcare use and total expenditures...
May 22, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28531255/measurement-repeatability-of-central-and-peripheral-blood-pressures-the-aric-study
#7
Fran Yong, Gerardo Heiss, David Couper, Michelle L Meyer, Susan Cheng, Hirofumi Tanaka
BACKGROUND: Central systolic and pulse pressures are markers of risk for small vessel disease in the brain and kidneys. The extent to which these markers are reproducible in the setting of population studies is less well established. We estimated short-term repeatability of central systolic and pulse pressures, and those of their peripheral measures for comparison. METHODS: Participants aged 65 years and over (n = 79, 56% women) were drawn from the 2011-2013 examination of the ARIC cohort...
May 22, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28528753/healthcare-access-and-quality-index-based-on-mortality-from-causes-amenable-to-personal-health-care-in-195-countries-and-territories-1990-2015-a-novel-analysis-from-the-global-burden-of-disease-study-2015
#8
(no author information available yet)
BACKGROUND: National levels of personal health-care access and quality can be approximated by measuring mortality rates from causes that should not be fatal in the presence of effective medical care (ie, amenable mortality). Previous analyses of mortality amenable to health care only focused on high-income countries and faced several methodological challenges. In the present analysis, we use the highly standardised cause of death and risk factor estimates generated through the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) to improve and expand the quantification of personal health-care access and quality for 195 countries and territories from 1990 to 2015...
May 18, 2017: Lancet
https://www.readbyqxmd.com/read/28528251/biological-activity-and-safety-profile-of-the-essential-oil-from-fruits-of-heracleum-mantegazzianum-sommier-levier-apiaceae
#9
Krystyna Skalicka-Woźniak, Agnieszka Grzegorczyk, Łukasz Świątek, Magdalena Walasek, Jarosław Widelski, Barbara Rajtar, Małgorzata Polz-Dacewicz, Anna Malm, Hosam O Elansary
A composition of essential oils obtained from Heracleum mantegazzianum (Apiaceae) was examined using a GC-MS method. n-Octyl acetate (19.92%), n-hexyl-2-methylbutanoate (10.84%), n-octanol (10.13%), n-octyl butanoate (8.88%), n-octyl-2-methylbutanoate (8.01%), n-hexyl acetate (7.11%), n-octyl isobutanoate (5.5%) and n-hexyl isobutanoate (5.43%) were the main compounds. The high-performance counter-current chromatography was applied for purification of aliphatic alcohols and esters. A mixture of n-hexane, acetonitrile and tetr-butyl methyl ether (1:1:0...
May 17, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28528129/prophylactic-hydration-to-prevent-contrast-induced-nephropathy-much-ado-about-nothing
#10
Christina M Wyatt, Marianne Camargo, Steven G Coca
Clinical guidelines recommend prophylactic hydration to reduce the risk of contrast-induced nephropathy in high-risk patients, including those with chronic kidney disease. A recent single-center randomized trial showed no significant difference in the incidence of contrast-induced nephropathy in ambulatory patients with stage 3 chronic kidney disease who were randomized to no prophylactic hydration versus normal saline hydration. While these results may identify patients who are less likely to benefit from prophylactic hydration, nephrologists and interventionalists should carefully consider the generalizability of these results to individual patients...
May 18, 2017: Kidney International
https://www.readbyqxmd.com/read/28526628/heparin-based-hydrogels-induce-human-renal-tubulogenesis-in-vitro
#11
Heather M Weber, Mikhail V Tsurkan, Valentina Magno, Uwe Freudenberg, Carsten Werner
Dialysis or kidney transplantation is the only therapeutic option for end stage renal disease. Accordingly, there is a large unmet clinical need for new causative therapeutic treatments. Obtaining robust models that mimic the complex nature of the human kidney is a critical step in the development of new therapeutic strategies. Here we establish a synthetic in vitro human renal tubulogenesis model based on a tunable glycosaminoglycan-hydrogel platform. In this system, renal tubulogenesis can be modulated by the adjustment of hydrogel mechanics and degradability, growth factor signaling, and the presence of insoluble adhesion cues, potentially providing new insights for regenerative therapy...
May 16, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28525506/haptoglobin-administration-in-cardiovascular-surgery-patients-its-association-with-the-risk-of-postoperative-acute-kidney-injury
#12
Kenta Kubota, Moritoki Egi, Satoshi Mizobuchi
BACKGROUND: Acute kidney injury (AKI) often occurs after cardiac surgery. During cardiac surgery, plasma free hemoglobin (fHb) would increase due to hemolysis. Since plasma fHb is thought to be nephrotoxic, haptoglobin, which is an fHb scavenger, may have the potential to prevent postoperative AKI (pAKI). However, there have been few studies in which the association of intraoperative administration of haptoglobin with the incidence of AKI after cardiac surgery was assessed. METHODS: This study was a retrospective observational study to assess the independent association of intraoperative administration of haptoglobin with the incidence pAKI in cardiac surgery patients...
June 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28525342/effects-of-long-term-construction-noise-on-health-of-adult-female-wistar-rats
#13
J Zymantiene, R Zelvyte, I Pampariene, A Aniuliene, N Juodziukyniene, J Kantautaite, V Oberauskas
The aim of this study was to investigate the influence of long-term building construction noise from refurbishment, which including vibration, on some physiological parameters and histopathological changes of organs of Wistar rats. Twenty 12 month old female rats were divided into two groups: rats group I (n = 10) were exposed to long-term construction noise and rats group II (n = 10) were kept under normal noise level. Study results revealed that long-term construction noise from building refurbishment has an influence on body weight, haematological and some serum biochemical parameters affects caecal microbiota, and causes histopathological changes in the organs of adult female Wistar rats...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28524801/association-of-ugt2b7-ugt1a9-abcg2-and-il23r-polymorphisms-with-rejection-risk-in-kidney-transplant-patients
#14
Heloísa Lizotti Cilião, Rossana Batista Oliveira Camargo-Godoy, Marilesia Ferreira de Souza, Mariana Bisarro Dos Reis, Lorena Iastrenski, Vinicius Daher Alvares Delfino, Silvia Regina Rogatto, Ilce Mara de Syllos Cólus
Despite advances in testing compatibility between donor and recipient, graft rejection remains a current concern. Single-nucleotide polymorphisms (SNPs) that codify altered enzymes of metabolism, drug transport, and the immune system may contribute to graft rejection in transplant patients. This study examined the association between SNPs present in genes of these processes and occurrence of graft rejection episodes in 246 kidney transplant patients, 35% of which were diagnosed with rejection. Genotype-gene expression associations were also assessed...
May 19, 2017: Journal of Toxicology and Environmental Health. Part A
https://www.readbyqxmd.com/read/28523715/dual-en-bloc-technique-for-adult-renal-transplantation
#15
Kim Chi Tran, David Li, Ali Taqi, Alp Sener, Vivian C McAlister, Patrick P Luke
INTRODUCTION: We describe and provide follow-up for a novel simplified technique permitting dual en-bloc (DEB) transplantation of adult organs using single in situ arterial and venous anastomoses. METHODS: Twenty-two adult DEB transplants were performed at our centre between 2001 and 2012, utilizing 44 kidneys en bloc. Results were compared with 20 solitary transplants from expanded criteria donors (ECD) associated with lower terminal serum creatinines and Remuzzi biopsy scores vs...
May 19, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28521802/identification-of-chronic-kidney-disease-patient-characteristics-influencing-the-renoprotective-effects-of-febuxostat-therapy-a-retrospective-follow-up-study
#16
Akinori Yamaguchi, Makoto Harada, Yosuke Yamada, Koji Hashimoto, Yuji Kamijo
BACKGROUND: The ability of antihyperuricemic therapy to exert renoprotective effects in patients with chronic kidney disease (CKD) is controversial. In the present study, we studied patient characteristics that may mask favorable impact of antihyperuricemic therapy on the progression of CKD. METHODS: This was a single-center, retrospective, follow-up study. One-hundred and seventy-eight CKD patients with hyperuricemia who received febuxostat therapy were included in this study...
May 18, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28520687/3-nacl-adenosine-lidocaine-mg2-alm-bolus-and-4-hours-drip-infusion-reduces-noncompressible-hemorrhage-by-60-in-a-rat-model
#17
Hayley L Letson, Geoffrey P Dobson
BACKGROUND: Noncompressible torso hemorrhage is the leading cause of potentially survivable trauma in far-forward combat environments. Our aim was to examine the effect of small-volume 3% NaCl adenosine, lidocaine, and Mg (ALM) bolus and 0.9% NaCl/ALM "drip" on survivability and cardiac/gut/kidney function in a rat model of hepatic hemorrhage and shock. METHODS: Male Sprague-Dawley rats (428 ± 4 g) were anesthetized and randomly assigned to one of five groups (n = 16): (1) Sham, (2) No treatment, (3) Saline controls, (4) ALM therapy, and (5) Hextend...
June 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28520545/hemodynamic-profile-of-acute-kidney-injury-following-the-fontan-procedure-impact-of-renal-perfusion-pressure
#18
Taylor Patterson, David A Hehir, Matthew Buelow, Pippa M Simpson, Michael E Mitchell, Liyun Zhang, Mehdi Eslami, Kathleen Murkowski, John P Scott
BACKGROUND: Acute kidney injury (AKI) is common following cardiopulmonary bypass. Fontan completion may result in systemic venous hypertension and low cardiac output, reducing renal perfusion pressure (RPP) and further increasing the risk of AKI. We investigated the incidence and risk factors for post-Fontan AKI. METHODS: Single-center retrospective study of children undergoing Fontan completion from 2005 to 2012. Demographic and hemodynamic variables were assessed for association with AKI...
May 2017: World Journal for Pediatric & Congenital Heart Surgery
https://www.readbyqxmd.com/read/28520146/association-of-tenofovir-disoproxil-fumarate-with-primary-allograft-survival-in-hiv-positive-kidney-transplant-recipients
#19
Suzanne M Boyle, Gregory Malat, Meera N Harhay, Dong H Lee, Lisa Pang, Sindhura Talluri, Akshay Sharma, Tiffany E Bias, Karthik Ranganna, Alden M Doyle
BACKGROUND: Tenofovir disoproxil fumarate (TDF) is an anti-retroviral agent frequently used to treat human immunodeficiency virus (HIV). There are concerns regarding its potential to cause acute kidney injury, chronic kidney disease, and proximal tubulopathy. Although TDF can effectively suppress HIV after kidney transplantation, it is unknown whether use of TDF-based anti-retroviral therapy (ART) after kidney transplant (KT) adversely affects allograft survival. METHODS: We examined 104 HIV+ KT recipients at our center between 2001 and 2014...
May 18, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/28516273/a-comparative-study-of-ablation-boundary-sharpness-after-percutaneous-radiofrequency-cryo-microwave-and-irreversible-electroporation-ablation-in-normal-swine-liver-and-kidneys
#20
Francois H Cornelis, Jeremy C Durack, Simon Y Kimm, Thomas Wimmer, Jonathan A Coleman, Stephen B Solomon, Govindarajan Srimathveeravalli
PURPOSE: To compare ablation boundary sharpness after percutaneous radiofrequency ablation (RFA), cryoablation (CA), microwave ablation (MWA) and irreversible electroporation (IRE) ablation in normal swine liver and kidney. MATERIALS AND METHODS: Percutaneous CT-guided RFA (n = 5), CA (n = 5), MWA (n = 5) and IRE (n = 5) were performed in the liver and kidney of four Yorkshire pigs. Parameters were chosen to produce ablations 2-3 cm in diameter with a single ablation probe...
May 17, 2017: Cardiovascular and Interventional Radiology
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