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pancreas transplant

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https://www.readbyqxmd.com/read/29045177/outcomes-of-endovascular-management-of-late-vascular-hemorrhage-after-pancreatic-transplant
#1
Shamar J Young, Lindsey Bergren, Ty Dunn, Prashant Shrestha, Kunal Yadav, Nicholas Frank, Raja Kandaswamy, Jafar Golzarian
OBJECTIVE: The aim of this retrospective study is to evaluate the endovascular treatment of hemorrhage in the nonperioperative setting in pancreas transplant recipients. MATERIALS AND METHODS: All angiograms performed between January 1, 1999, and June 1, 2016, to treat hemorrhage after pancreatic transplant at a single large-volume transplant center were reviewed. Fourteen patients who underwent 21 angiograms were identified. The patients' charts were reviewed for clinical indications, technical aspects of the endovascular interventions, outcomes, and complications...
October 18, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29037563/management-of-pregnancy-in-pancreas-alone-transplant-recipient-complicated-with-stage-4-chronic-renal-insufficiency-and-superimposed-pre-eclampsia-case-report-and-literature-review
#2
Yung-Shih Lee, Mei-Yu Peng, Chin-Ru Ker, Te-Fu Chan
OBJECTIVE: With the prolonged life expectancy in solid organ transplant recipients, their quality of life and fertility desire become of particular concern. Pregnancy in pancreas-alone transplantation, although rare and complicated to manage, is not impossible anymore. We here report such a case with literature review to address this issue. CASE REPORT: A 29-year-old, primigravida patient with underlying stage 4 chronic renal insufficiency and type 1 diabetes mellitus post pancreas-alone transplantation 5 years prior to her initial visit consulted our service...
October 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29029025/insulin-deficient-mouse-%C3%AE-cells-do-not-fully-mature-but-can-be-remedied-through-insulin-replacement-by-islet-transplantation
#3
Adam Ramzy, Majid Mojibian, Timothy J Kieffer
Insulin receptor insufficiency in β-cells leads to impaired insulin secretion and reduced β-cell hyperplasia in response to hyperglycemia. Selective insulin receptor deficiency in β-cells in later embryological development may lead to compensatory β-cell hyperplasia. Though these findings suggest insulin signaling on the β-cell is important for β-cell function, they are confounded by loss of signaling by the IGFs through the insulin receptor. To determine if insulin itself is necessary for β-cell development and maturation, we performed a characterization of pancreatic islets in mice with deletions of both non-allelic insulin genes (Ins1-/-Ins2-/-)...
September 27, 2017: Endocrinology
https://www.readbyqxmd.com/read/29026874/australia-and-new-zealand-islets-and-pancreas-transplant-registry-annual-report-2017-pancreas-waiting-list-recipients-and-donors
#4
Angela C Webster, James Hedley, Abhijit Patekar, Paul Robertson, Patrick J Kelly
This is a registry report from the Australia and New Zealand Islet and Pancreas Transplant Registry. We report data for all solid organ pancreas transplant activity from inception in 1984 to end of 2016. Data analysis was performed using Stata Software version 14 (StataCorp, College Station, Tex). From 1984 to 2016 a total of 756 solid organ pancreas transplants have been performed in Australia and New Zealand, in 738 individuals. In 2016, 55 people received a pancreas transplant. These transplants were performed in Auckland (4), Monash (22), and Westmead (29)...
October 2017: Transplantation Direct
https://www.readbyqxmd.com/read/29024476/prevalence-and-outcomes-of-cystic-lesions-of-the-transplant-pancreas-the-university-of-wisconsin-experience
#5
Talal M Al-Qaoud, Eric J Martinez, Hans W Sollinger, Dixon B Kaufman, Robert R Redfield, Bridget Welch, Glen Leverson, Jon S Odorico
Literature on the behavior of cystic lesions in pancreas transplants is scarce, and hence a better understanding is warranted. Data on recipients and their respective donors that underwent simultaneous kidney and pancreas, pancreas transplant alone, and pancreas after kidney between 1994-2015 were reviewed (n=1185). Cystic lesions of the transplant pancreas developed in 22 patients (1.8%): 12 pseudocysts, 2 cysts/remnants, 4 intraductal papillary mucinous neoplasms (IPMN), 2 adenocarcinomas, 1 low grade intraepithelial pancreatic neoplasia, and 1 case of polycystic kidney disease...
October 11, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/29024228/de-novo-hepatocellular-carcinoma-post-multivisceral-transplantation-in-a-child
#6
P Tran, S Zhou, L Wang, M Finegold, L Mascarenas, S Alexopolous, Y Genyk, N Kerkar
De novo hepatocellular carcinoma (HCC) post-transplantation in patients without viral hepatitis is extremely rare, with only three reported adult cases in the English literature. Here, we present a case of de novo HCC that developed in a 7-year-old female, who at 8 months of age received a liver, small bowel, spleen, and pancreas transplantation 6.5 years ago for gastroschisis and total parenteral nutrition (TPN)-related cirrhosis. The post-transplant course was complicated by Epstein-Barr virus (EBV) infection, post-transplant lymphoproliferative disease, and subsequent development of multifocal EBV-associated post-transplant smooth muscle tumors (EBV-PTSMT) in the small bowel 1 year and 10 months after transplantation, respectively...
November 2017: Pediatric Transplantation
https://www.readbyqxmd.com/read/28985863/early-declaration-of-death-by-neurologic-criteria-results-in-greater-organ-donor-potential
#7
Shelby Resnick, Mark J Seamon, Daniel Holena, Jose Pascual, Patrick M Reilly, Niels D Martin
BACKGROUND: Aggressive management of patients prior to and after determination of death by neurologic criteria (DNC) is necessary to optimize organ recovery, transplantation, and increase the number of organs transplanted per donor (OTPD). The effects of time management are understudied but potentially pivotal component. The objective of this study was to analyze specific time points (time to DNC, time to procurement) and the time intervals between them to better characterize the optimal timeline of organ donation...
October 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28984038/beta-cell-replacement-strategies-for-diabetes
#8
Timothy J Kieffer, Knut Woltjen, Kenji Osafune, Daisuke Yabe, Nobuya Inagaki
Diabetes is characterized by elevated levels of blood glucose as a result of insufficient production of insulin from loss or dysfunction of pancreatic islet beta cells. Here we review several approaches to replace beta cells that were recently discussed at a symposium held in Kyoto, Japan. Transplant of donor human islets can effectively treat diabetes and eliminate the need for insulin injections, supporting research aimed at identifying abundant supplies of cells. Studies demonstrating the feasibility of producing mouse islets in rats support the concept of generating pigs with human pancreas that can serve as donors of human islets, although scientific and ethical challenges remain...
October 6, 2017: Journal of Diabetes Investigation
https://www.readbyqxmd.com/read/28977862/identification-and-causes-of-metabonomic-difference-between-orthotopic-and-subcutaneous-xenograft-of-pancreatic-cancer
#9
Bohan Zhan, Shi Wen, Jie Lu, Guiping Shen, Xianchao Lin, Jianghua Feng, Heguang Huang
Pancreatic ductal adenocarcinoma (PDAC) is one of the most lethal tumors. However, the methodological differences between orthotopic and subcutaneous xenograft (OX and SX) models will cause confusion in understanding its pathological mechanism and clinical relevance. In this study, SX and OX models were established by implanting Panc-1 and BxPC-3 cell strains under skin and on the pancreas of mice, respectively. The tumor tissue and serum samples were collected for(1)H NMR spectroscopy followed by univariate and multivariate statistical analyses...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28975176/deformability-based-microfluidic-separation-of-pancreatic-islets-from-exocrine-acinar-tissue-for-transplant-applications
#10
Walter B Varhue, Linda Langman, Molly Kelly-Goss, Morgan Lataillade, Kenneth L Brayman, Shayn Peirce-Cottler, Nathan S Swami
The long-term management of type-1 diabetes (T1D) is currently achieved through lifelong exogenous insulin injections. Although there is no cure for T1D, transplantation of pancreatic islets of Langerhans has the potential to restore normal endocrine function versus the morbidity of hypoglycemic unawareness that is commonly associated with sudden death among fragile diabetics. However, since endocrine islet tissues form a small proportion of the pancreas, sufficient islet numbers can be reached only by combining islets from multiple organ donors and the transplant plug contains significantly high levels of exocrine acinar tissue, thereby exacerbating immune responses...
October 4, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28975104/proliferative-glomerulonephritis-with-monoclonal-igg-deposits-an-unusual-cause-of-de-novo-disease-in-kidney-allograft
#11
Sabiha M Hussain, Kalathil K Sureshkumar
BACKGROUND: Proliferative glomerulonephritis with monoclonal IgG deposits (PGNMID) is a newly described and rare entity that can develop in native and very rarely in transplanted kidneys. We present a patient who developed de novo PGNMID in the kidney allograft along with a review of the literature. CASE PRESENTATION: A 38-year old female with type 1 diabetes who underwent successful simultaneous pancreas-kidney (SPK) transplantation 6 years earlier presented with rising serum creatinine, nephrotic range proteinuria and microhematuria...
July 2017: Journal of Nephropathology
https://www.readbyqxmd.com/read/28970466/induction-of-artificial-pancreas-in-liver-transplant-recipients-preliminary-experience-with-an-insightful-message
#12
Hironori Hayashi, Hiroyuki Takamura, Ryosuke Gabata, Isamu Makino, Yoshinao Ohbatake, Shinichi Nakanuma, Tomoharu Miyashita, Hidehiro Tajima, Kazuhiro Hanazaki, Tetsuo Ohta
BACKGROUND We investigated the impact of using an artificial pancreas for glycemic control in liver transplant recipients. MATERIAL AND METHODS Between January 2014 and December 2016, glycemic control using an artificial pancreas was performed 13 times. The target blood glucose level was set at 80-110 mg/dL. We retrospectively analyzed the clinical course, including achievement rate of the target blood glucose range. RESULTS For perioperative glycemic control, an artificial pancreas was used 9 times. The total insulin dose and achievement rate of the target blood glucose level were 113...
October 3, 2017: Annals of Transplantation: Quarterly of the Polish Transplantation Society
https://www.readbyqxmd.com/read/28968353/long-term-effects-of-pancreas-transplantation-on-diabetic-retinopathy-and-incidence-and-predictive-risk-factors-for-early-worsening
#13
Yoon Jeon Kim, Sung Shin, Duck Jong Han, Young Hoon Kim, Joo Yong Lee, Young Hee Yoon, June-Gone Kim
BACKGROUND: Limited data are available regarding the long-term effects of pancreas transplantation on the progression of diabetic retinopathy (DR) and the incidence of and associated risk factors for early worsening of DR. METHODS: Patients who underwent successful pancreas transplantation between January 2007 and October 2015 and were followed for ≥ 1 year were consecutively enrolled. Variables regarding demographic, systemic, metabolic, and surgical factors were reviewed for each patient...
September 29, 2017: Transplantation
https://www.readbyqxmd.com/read/28964481/pediatric-pancreas-transplantation-including-total-pancreatectomy-with-islet-autotransplantation
#14
Alexander J Bondoc, Maisam Abu-El-Haija, Jaimie D Nathan
Unlike other solid-organ transplants, whole pancreas transplantation in children is relatively rare, and it occurs more frequently in the context of multivisceral or composite organ transplantation. Because children only infrequently suffer severe sequelae of type 1 diabetes mellitus, pancreas transplantation is rarely indicated in the pediatric population. More commonly, pediatric pancreas transplant occurs in the setting of incapacitating acute recurrent or chronic pancreatitis, specifically islet autotransplantation after total pancreatectomy...
August 2017: Seminars in Pediatric Surgery
https://www.readbyqxmd.com/read/28964472/organ-allocation-and-utilization-in-pediatric-transplantation
#15
Walter S Andrews, Bartholomew J Kane, Richard J Hendrickson
Pediatric transplant candidates include heart, lung, liver, pancreas, small intestine, and kidney. The purpose of this article is to review the history and current methods for determining priority of the above-mentioned transplantable organs. The methods used by the authors involved the review of historical and current manuscripts and UNOS policy documents. We summarized the findings in order to create a concise review of the current policies and wait times for transplantation in pediatric transplant patients...
August 2017: Seminars in Pediatric Surgery
https://www.readbyqxmd.com/read/28963457/kinetics-of-functional-beta-cell-mass-decay-in-a-diphtheria-toxin-receptor-mouse-model-of-diabetes
#16
Pim P van Krieken, Andrea Dicker, Maria Eriksson, Pedro L Herrera, Ulf Ahlgren, Per-Olof Berggren, Erwin Ilegems
Functional beta cell mass is an essential biomarker for the diagnosis and staging of diabetes. It has however proven technically challenging to study this parameter during diabetes progression. Here we have detailed the kinetics of the rapid decline in functional beta cell mass in the RIP-DTR mouse, a model of hyperglycemia resulting from diphtheria toxin induced beta cell ablation. A novel combination of imaging modalities was employed to study the pattern of beta cell destruction. Optical projection tomography of the pancreas and longitudinal in vivo confocal microscopy of islets transplanted into the anterior chamber of the eye allowed to investigate kinetics and tomographic location of beta cell mass decay in individual islets as well as at the entire islet population level...
September 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28957844/human-metapneumovirus-infection-pneumonia-risk-factors-in-solid-organ-transplantation-patients-and-ct-findings
#17
Hyun Jung Koo, Han Na Lee, Sang Ho Choi, Heungsup Sung, Sang Young Oh, So Youn Shin, Hwa Jung Kim, Kyung-Hyun Do
BACKGROUND: Human metapneumovirus (HMPV) is a newly detected pathogen which can cause lower respiratory tract disease. Clinical characteristics, computed tomography (CT) findings, and outcomes of HMPV pneumonia in solid organ transplantation (SOT) patients have not been well demonstrated. METHODS: Between January 2010 and February 2016, clinical and imaging findings of 59 patients receiving SOT (types of organ: 37 kidney, 16 liver, 4 heart and 2 pancreas and kidney) who had HMPV infection detected in nasopharyngeal or bronchoalveolar lavage by reverse transcription polymerase chain reaction were retrospectively evaluated...
September 27, 2017: Transplantation
https://www.readbyqxmd.com/read/28957348/-stealth-dissemination-of-macrophage-tumor-cell-fusions-cultured-from-blood-of-patients-with-pancreatic-ductal-adenocarcinoma
#18
Gary A Clawson, Gail L Matters, Ping Xin, Christopher McGovern, Eric Wafula, Claude dePamphilis, Morgan Meckley, Joyce Wong, Luke Stewart, Christopher D'Jamoos, Naomi Altman, Yuka Imamura Kawasawa, Zhen Du, Loren Honaas, Thomas Abraham
Here we describe isolation and characterization of macrophage-tumor cell fusions (MTFs) from the blood of pancreatic ductal adenocarcinoma (PDAC) patients. The MTFs were generally aneuploidy, and immunophenotypic characterizations showed that the MTFs express markers characteristic of PDAC and stem cells, as well as M2-polarized macrophages. Single cell RNASeq analyses showed that the MTFs express many transcripts implicated in cancer progression, LINE1 retrotransposons, and very high levels of several long non-coding transcripts involved in metastasis (such as MALAT1)...
2017: PloS One
https://www.readbyqxmd.com/read/28951824/intraocular-in%C3%A2-vivo-imaging-of-pancreatic-islet-cell-physiology-pathology
#19
REVIEW
Ingo B Leibiger, Per-Olof Berggren
BACKGROUND: Diabetes mellitus has reached epidemic proportions and requires new strategies for treatment. Unfortunately, the efficacy of treatment regimens on maintaining/re-gaining functional beta cell mass can, at the present, only be determined indirectly. Direct monitoring of beta cell mass is complicated by the anatomy of the endocrine pancreas, which consists of thousands to a million of discrete micro-organs, i.e. islets of Langerhans, which are scattered throughout the pancreas...
September 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28945308/an-autopsy-based-study-of-trypanosoma-cruzi-persistence-in-organs-of-chronic-chagasic-patients-and-its-relevance-for-transplantation
#20
Luiz A Benvenuti, Alessandra Roggério, Marta M Cavalcanti, Anna S Nishiya, José E Levi
BACKGROUND: Chagas' disease (CD) is caused by infection with the protozoan Trypanosoma cruzi. The disease can affect the heart and/or the gastrointestinal (GI) tract, but around 70% of infected individuals remain asymptomatic in the chronic form. Organ transplantation from T. cruzi-infected donors is often avoided because of the risk of disease transmission, previously reported after heart, kidney, or liver transplantation. METHODS: We investigated by histology, immunohistochemistry and polymerase chain reaction (PCR) the persistence of T...
September 25, 2017: Transplant Infectious Disease: An Official Journal of the Transplantation Society
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