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https://www.readbyqxmd.com/read/28436075/does-a-meso-caval-shunt-have-positive-effects-in-a-pig-large-for-size-liver-transplantation-model
#1
Ana Cristina Aoun Tannuri, Daniel de Albuquerque Rangel Moreira, Alessandro Belon, Maria Cecília Mendonça Coelho, Josiane Oliveira Gonçalves, Suellen Serafini, Uenis Tannuri
In pediatric liver transplantations with LFS grafts, higher incidences of graft dysfunction probably occur due to IRI. It was postulated that increasing the blood supply to the graft by means of a meso-caval shunt could ameliorate the IRI. Eleven pigs underwent liver transplantation and were divided into two groups: LFS and LFS+SHUNT group. A series of flowmetric, metabolic, histologic, and molecular studies were performed. No significant metabolic differences were observed between the groups. One hour after reperfusion, portal flow was significantly lower in the recipients than in the donors, proving that the graft was maintained in low portal blood flow, although the shunt could promote a transient increase in the portal blood flow and a decrease in the arterial flow...
April 24, 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28422425/negativization-of-viremia-prior-to-liver-transplant-reduces-early-allograft-dysfunction-in-hepatitis-c-recipients
#2
Silvia Martini, Francesco Tandoi, Lodovico Terzi di Bergamo, Silvia Strona, Bruna Lavezzo, Marco Sacco, Francesca Maione, Federica Gonella, Paolo Strignano, Dominic Dell Olio, Mauro Salizzoni, Giorgio Maria Saracco, Renato Romagnoli
Although early allograft dysfunction (EAD) negatively impacts on survival from the first months following liver transplantation (LT), direct-acting antivirals (DAAs) have revolutionized HCV therapy. We investigated the EAD definition best predicting 90-day graft loss and identified EAD risk factors in HCV positive recipients. From 11-2002 to 06-2016, 603 HCV-positive patients (hepatocellular carcinoma 53.4%) underwent a first LT with HCV-negative donors. Median recipient MELD score 15, median donor age 63 years...
April 19, 2017: Liver Transplantation
https://www.readbyqxmd.com/read/28414112/binding-of-erucic-acid-with-human-serum-albumin-using-a-spectroscopic-and-molecular-docking-study
#3
Gulam Rabbani, Mohammad Hassan Baig, Arif Tasleem Jan, Eun Ju Lee, Mohsin Vahid Khan, Masihuz Zaman, Abd-ElAziem Farouk Gad, Rizwan Hasan Khan, Inho Choi
Erucic acid (EA) is one of the key fatty acids usually found in canola oil, mustard oil and rapeseed oil. Consumption of EA in primates was found to cause myocardial lipidosis and cardiac steatosis. To have an insight of the effect of EA in humans, we performed in vitro interaction studies of EA with the primary plasma protein, human serum albumin (HSA). Spectroscopic (UV-vis and fluorescence) analysis of the EA-HSA interaction revealed a static mode of quenching, with binding constant Kb ∼10(4) reflecting high affinity of EA for HSA...
April 13, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28379854/clinical-usefulness-of-controlled-attenuation-parameter-to-screen-hepatic-steatosis-for-potential-donor-of-living-donor-liver-transplant
#4
Young Mi Hong, Ki Tae Yoon, Mong Cho, Chong Woo Chu, Je Ho Rhu, Kwang Ho Yang, Jun Woo Lee
OBJECTIVE: Hepatic steatosis is associated with an increased risk of graft loss. Although the controlled attenuation parameter (CAP), a process based on transient elastography, has been suggested as a noninvasive method of assessing hepatic steatosis, to date, there is no study on the usefulness of CAP as a single screening tool for detecting hepatic steatosis in potential living donor liver. We evaluated the accuracy of CAP for detecting hepatic steatosis in potential liver donors. PATIENTS AND METHODS: All potential donors of living-donor liver transplantation who underwent a CAP assessment and ultrasonography-guided liver biopsy were enrolled...
April 4, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28364814/extended-criteria-donors-in-liver-transplantation
#5
REVIEW
Irine Vodkin, Alexander Kuo
Mortality rates on the liver transplant waiting list are increasing. The shortage of organs has resulted in higher utilization of extended criteria donors (ECDs), with centers pushing the limits of what is acceptable for transplantation. Donor quality is more appropriately represented as a continuum of risk, and careful selection and matching of ECD grafts with recipients may lead to excellent outcomes. Although there is no precise definition for what constitutes an ECD liver, this review focuses on frequently cited characteristics, including donor age, steatosis, donation after cardiac death, and donors with increased risk of disease transmission...
May 2017: Clinics in Liver Disease
https://www.readbyqxmd.com/read/28364696/differential-effects-of-liver-steatosis-on-pharmacokinetic-profile-of-two-closely-related-hepatoselective-no-donors-v-pyrro-no-and-v-proli-no
#6
Kamil Kus, Edyta Kus, Agnieszka Zakrzewska, Wojciech Jawien, Barbara Sitek, Maria Walczak, Stefan Chlopicki
PURPOSE: To analyze the effect of liver steatosis and obesity on pharmacokinetic profile of two structurally-related liver-selective NO-donors - V-PYRRO/NO and V-PROLI/NO. METHODS: C57BL/6 mice were fed control or high-fat diet for 15 weeks to induced liver steatosis and obesity (HFD mice). Pharmacokinetics and renal elimination studies were conducted in vivo following iv dosing of V-PYRRO/NO and V-PROLI/NO (0.03mmol/kg). Hepatic clearance was evaluated ex vivo in the isolated perfused mice liver and in vitro with the use of liver microsomes...
February 2, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28338460/role-of-computed-tomography-volumetry-in-estimating-liver-weights-in-surgical-patients-with-hepatic-steatosis
#7
Yeonjung Ha, Ju Hyun Shim, Gi-Won Song, Seon-Ok Kim, Tae-Yong Ha, Dong-Hwan Jung, Kang Mo Kim, Young-Suk Lim, Han Chu Lee, Sung-Gyu Lee
OBJECTIVES: Our objective was to assess the accuracy of computed tomography volumetry in estimating liver volume in steatotic patients. MATERIALS AND METHODS: We divided 641 liver donors (mean age 27 years, 71% male) into 4 groups according to the extent of steatosis on predonation biopsy: with < 5% comprising group 1, 5% to 9% comprising group 2, 10% to 19% comprising group 3, and ≥ 20% comprising group 4. Graft mass estimation error (%) was calculated as follows: [(computed tomography-measured volume minus graft weight)/graft weight] × 100...
April 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28333540/current-state-of-the-art-mri-for-comprehensive-evaluation-of-potential-living-liver-donors
#8
Kartik S Jhaveri, Lijun Guo, Luís Guimarães
OBJECTIVE: This review focuses on the role of state-of-the-art MRI-based techniques for comprehensive evaluation of living donors providing single-visit assessment of the liver vasculature via MR angiography, of the biliary tract via conventional T2-weighted MR cholangiography and T1-weighted gadoxetate disodium-enhanced MR cholangiography, and of hepatic steatosis via T2*-corrected multiecho chemical shift-based water-fat separation MRI and high-speed T2-corrected multiecho MR spectroscopy...
March 23, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28331449/cyclin-d1-in-the-liver-role-of-noncanonical-signaling-in-liver-steatosis-and-hormone-regulation
#9
Kelley G Núñez, Janet Gonzalez-Rosario, Paul T Thevenot, Ari J Cohen
BACKGROUND: Cyclin D1 is an important protein for cell cycle progression; however, functions independent of the cell cycle have been described in the liver. Cyclin D1 is also involved in DNA repair, is overexpressed in many cancers, and functions as a proto-oncogene. The lesser-known roles of Cyclin D1, specifically in hepatocytes, impact liver steatosis and hormone regulation in the liver. METHODS: A comprehensive search of PubMed was conducted using the keywords Cyclin D1, steatosis, lipogenesis, and liver transplantation...
2017: Ochsner Journal
https://www.readbyqxmd.com/read/28281516/-features-of-a-necrotic-and-inflammatory-process-in-different-forms-of-nonalcoholic-fatty-liver-disease
#10
I V Kurbatova, O P Dudanova
AIM: To identify the features of development of a necrotic and inflammatory process in different forms of nonalcoholic fatty liver disease (NAFLD), by comparatively analyzing a full set of clinical and laboratory parameters, including the cytokine status and the expression level of enzyme genes controlling the apoptosis of peripheral leukocytes. SUBJECTS AND METHODS: 86 patients with NAFLD, including 8 (9.3%) with hepatic steatosis (HS), 70 (81.4%) with nonalcoholic steatohepatitis (NASH), 40, 19, and 11 with mild, moderate, and high disease activity, respectively, and 8 (9...
2017: Terapevticheskiĭ Arkhiv
https://www.readbyqxmd.com/read/28267886/primary-non-function-is-frequently-associated-with-fatty-liver-allografts-and-high-mortality-after-re-transplantation
#11
Ulf Kulik, Frank Lehner, Jürgen Klempnauer, Jürgen Borlak
BACKGROUND & AIMS: The shortage of liver donations demands the use of suboptimal grafts with steatosis being a frequent finding. Although ≤30% macrovesicular steatosis is considered to be safe the risk for primary non-function (PNF) and outcome after re-transplantation (re-OLT) is unknown. METHODS: Among 1205 orthotropic liver transplantations performed at our institution the frequency, survival and reason of re-OLT was evaluated. PNF (group A) cases and those with initial transplant function but subsequent need for re-OLT (group B) were analyzed...
March 7, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28260484/impact-of-a-full-time-donor-management-protocol-on-donors-liver-biopsy-findings-progress-to-date
#12
Meysam Mojtabaee, Alireza Shamsaeefar, Siavash Gholami, Mojtaba Mohsenzadeh, Farahnaz Sadegh Beigee
OBJECTIVES: This study investigated a fixed coordinator-directed donor management strategy's impact on donated liver quality, as determined by definitive biopsy results. MATERIALS AND METHODS: We collected donated liver biopsy results from donations both before and after implementing a fixed coordinator-directed donor management strategy. This strategy involved full-time attendance by a donor coordinator and continued resuscitation of brain-dead donors. All donations took place in a single organ procurement unit...
February 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/28246131/the-effect-of-cortisol-in-rat-steatotic-and-non-steatoticliver-transplantation-from-brain-dead-donors
#13
Mónica Bibiana Jiménez-Castro, Elsa Negrete-Sánchez, Araní Casillas-Ramírez, Jose Gulfo, Ana I Álvarez-Mercado, Maria Eugenia Cornide-Petronio, Jordi Gracia-Sancho, Juan Rodés, Carmen Peralta
In this study, we examined the effects of cortisol on steatotic and non-steatotic liver grafts from brain-dead donors and characterized the underlying mechanisms involved. Non-steatotic liver grafts showed reduced cortisol and increased cortisone levels in association with upregulation of enzymes that inactivate cortisol. Conversely, steatotic liver grafts exhibited increased cortisol and reduced cortisone levels. The enzymes involved in cortisol generation were overexpressed, and those involved in cortisol inactivation or clearance were downregulated in steatotic liver grafts...
February 28, 2017: Clinical Science (1979-)
https://www.readbyqxmd.com/read/28129776/administration-of-multipotent-mesenchymal-stromal-cells-restores-liver-regeneration-and-improves-liver-function-in-obese-mice-with-hepatic-steatosis-after-partial-hepatectomy
#14
Fernando Ezquer, Javiera Bahamonde, Ya-Lin Huang, Marcelo Ezquer
BACKGROUND: The liver has the remarkable capacity to regenerate in order to compensate for lost or damaged hepatic tissue. However, pre-existing pathological abnormalities, such as hepatic steatosis (HS), inhibits the endogenous regenerative process, becoming an obstacle for liver surgery and living donor transplantation. Recent evidence indicates that multipotent mesenchymal stromal cells (MSCs) administration can improve hepatic function and increase the potential for liver regeneration in patients with liver damage...
January 28, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28059835/donor-liver-small-droplet-macrovesicular-steatosis-is-associated-with-increased-risk-for-recipient-allograft-rejection
#15
Won-Tak Choi, Kuang-Yu Jen, Dongliang Wang, Mehdi Tavakol, John P Roberts, Ryan M Gill
Although donor livers with <30% large droplet macrovesicular steatosis (MaS) and/or small droplet MaS (irrespective of percentage) are considered safe to use, this consensus is based on variable definitions of MaS subtypes and/or without a reproducible scoring system. We analyzed 134 donor liver biopsies from allografts transplanted at University of California at San Francisco between 2000 and 2015 to determine whether large and/or small droplet MaS is a risk factor for poor outcomes. Large droplet MaS was defined as a fat droplet occupying greater than one half of an individual hepatocyte, with nuclear displacement, and scored as the percentage of total parenchymal area replaced by large fat droplets on ×40 magnification...
March 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28049553/validation-of-intimate-correlation-between-visceral-fat-and-hepatic-steatosis-quantitative-measurement-techniques-using-ct-for-area-of%C3%A2-fat-and-mr-for-hepatic-steatosis
#16
Moon Hyung Choi, Joon-Il Choi, Michael Yong Park, Sung Eun Rha, Soon Nam Oh, Seung Eun Jung, Jae Young Byun, Stephan Kannengiesser, Yohan Son
BACKGROUND & AIM: The relationship between obesity and hepatic steatosis is well known, and there are many methods to measure obesity and severity of hepatic steatosis. Because of advances in radiologic techniques, the areas of certain body components can be measured on computed tomography (CT) while the severity of hepatic steatosis can be measured by magnetic resonance spectroscopy (MRS) with high accuracy. The aim of this study is to investigate the relationship between degree of fatty infiltration of the liver measured by MRS and body composition measured from CT images...
December 18, 2016: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28043763/prediction-of-the-total-liver-weight-using-anthropological-clinical-parameters-does-complexity-result-in-better-accuracy
#17
Marc-Antoine Allard, Gaëlle Baillié, Carlos Castro-Benitez, Matthieu Faron, Frédérique Blandin, Daniel Cherqui, Denis Castaing, Antonio Sa Cunha, René Adam, Éric Vibert
BACKGROUND: The performance of linear models predicting Total Liver Weight (TLW) remains moderate. The use of more complex models such as Artificial Neural Network (ANN) and Generalized Additive Model (GAM) or including the variable "steatosis" may improve TLW prediction. This study aimed to assess the value of ANN and GAM and the influence of steatosis for predicting TLW. METHODS: Basic clinical and morphological variables of 1560 cadaveric donors for liver transplantation were randomly split into a training (2/3) and validation set (1/3)...
December 30, 2016: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/28027788/non-alcoholic-fatty-liver-disease-and-subclinical-atherosclerosis-a-comparison-of-metabolically-versus-genetically-driven-excess-fat-hepatic-storage
#18
Alessia Di Costanzo, Laura D'Erasmo, Licia Polimeni, Francesco Baratta, Paola Coletta, Michele Di Martino, Lorenzo Loffredo, Ludovica Perri, Fabrizio Ceci, Anna Montali, Gabriella Girelli, Bruna De Masi, Antonio Angeloni, Carlo Catalano, Marianna Maranghi, Maria Del Ben, Francesco Angelico, Marcello Arca
BACKGROUND AND AIMS: Non-alcoholic fatty liver disease (NAFLD) is frequently associated with atherosclerosis. However, it is unclear whether this association is related to excess fat liver storage per se or to metabolic abnormalities that typically accompany NAFLD. To investigate this, we compared individuals with hepatic steatosis driven by metabolic disturbances to those with hepatic steatosis associated with the rs738409 GG genotype in the patatin-like phospholipase domain-containing 3 gene (PNPLA3)...
February 2017: Atherosclerosis
https://www.readbyqxmd.com/read/27988988/prediction-of-nonalcoholic-fatty-liver-in-prospective-liver-donors
#19
Narendra S Choudhary, Neeraj Saraf, Sanjiv Saigal, Ajay Duseja, Dheeraj Gautam, Lipika Lipi, Amit Rastogi, Sanjay Goja, Prashant Bhangui, Sumana K Ramchandra, Yalakanti Raghavendra Babu, Arvinder S Soin
BACKGROUND: Metabolic risk factors should be important in addition to imaging for prediction of steatosis in prospective liver donors. MATERIALS AND METHODS: The study group included all prospective liver donors who had a liver biopsy during workup. Risk factors of metabolic syndrome were analyzed, and body mass index (BMI) ≥25 kg/m(2) was used in place of waist circumference. Three BMI cutoffs (25, 28, and 30 kg/m(2) ) and two CT-measured liver attenuation index (LAI) cutoffs (<5 and ≤10) were used for steatosis assessment of ≥5%, ≥10%, and ≥20%...
April 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/27981274/noninvasive-quantitative-estimation-of-hepatic-steatosis-by-ultrasound-a-comparison-of-the-hepato-renal-index-and-ultrasound-attenuation-index
#20
Heon-Ju Kwon, Kyoung Won Kim, Jin-Hee Jung, Sang Hyun Choi, Woo Kyoung Jeong, Bohyun Kim, Gi-Won Song, Sung-Gyu Lee
AIMS: To compare the accuracy of the ultrasound attenuation index (USAI) and hepato-renal index (HRI) for the diagnosis of hepatic steatosis (HS). MATERIAL AND METHODS: Two hundred and twenty-four potential living hepatic donors underwent US and subsequent US-guided liver biopsy. The USAI was calculated from US images with an 8 MHz transducer and HRI was measured on sagittal images with a clear visualization of both the liver and kidney. Using histological degrees of HS as the reference standard, we compared the performance of USAI and HRI for diagnosing HS ≥ 5% and ≥ 30% by receiver operating characteristic curve analysis...
December 5, 2016: Medical Ultrasonography
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