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Ioana-Coralia Feher, Zaharie Moldovan, Ioan Oprean
In this study, analysis of variance (ANOVA), cluster analysis (CA) and principal component analysis (PCA) were employed in order to evaluate the concentration profile of organic contaminants found in three main river from central Transylvania, Romania. Samples were collected from nine sampling stations, in two different sampling campaigns (wet season and dry season). Water samples were extracted using solid-phase extraction and analyzed using gas chromatography coupled with mass spectrometry (GC/MS). Twelve organic pollutants belonging to different classes were used for further interpretations...
October 2016: Water Science and Technology: a Journal of the International Association on Water Pollution Research
Yi-Chan Chen, Ting-Shuo Huang, Yu-Chao Wang, Chih-Hsien Cheng, Chen-Fang Lee, Ting-Jun Wu, Hong-Shiue Chou, Kun-Ming Chan, Wei-Chen Lee, Ruey-Shyang Soong
Background. Whether routine antifungal prophylaxis decreases posttransplantation fungal infections in patients receiving orthotopic liver transplantation (OLT) remains unclear. This study aimed to determine the effectiveness of antifungal prophylaxis for patients receiving OLT. Patients and Methods. This is a retrospective analysis of a database at Chang Gung Memorial Hospital. We have been administering routine antibiotic and prophylactic antifungal regimens to recipients with high model for end-stage liver disease scores (>20) since 2009...
2016: BioMed Research International
Ramona Nicolau-Raducu, Elise Occhipinti, Thomas Marshall, Joseph Koveleskie, Donald Ganier, Brian Evans, William Daly, Brian Fish, Ari J Cohen, Trevor W Reichman, David Bruce, Humberto Bohorquez, John Seal, Emily Ahmed, Ian Carmody, George Loss, Jonathan Rayburn, Bobby Nossaman
OBJECTIVES: The purpose of this study was to compare the agreement between two heparin assays, Hepcon HMS plus/Kaolin-ACT and Anti-Xa, and their predictive power in detecting circulating heparin levels post-reperfusion of the liver graft when compared with thromboelastogram (TEG) r time ratio in patients undergoing orthotopic liver transplantation (OLT). DESIGN: Prospective, observational cohort study design. SETTING: Single center, university hospital...
August 2, 2016: Journal of Cardiothoracic and Vascular Anesthesia
M Gastaca, M Prieto, A Valdivieso, P Ruiz, A Ventoso, I Palomares, A Matarranz, L Martinez-Indart, J Ortiz de Urbina
OBJECTIVE: The aim of this study was to determine whether a portal flow of <1,000 mL/min in orthotopic liver transplantation (OLT) is associated with a higher incidence of early graft dysfunction (EGD) and graft loss. METHODS: A retrospective study was performed of 540 OLTs carried out consecutively from December 2004 to December 2013. Patients were divided into 2 groups: group A, portal flow <1,000 mL/min; and group B, portal flow >1,000 mL/min. We studied the incidence of EGD and graft survival...
September 2016: Transplantation Proceedings
Jigesh A Shah, Madhukar S Patel, Johannes R Kratz, James F Markmann, Parsia A Vagefi
:  Background. Liver re-transplantation (re-OLT) remains the only feasible option for patients with graft failure following liver transplantation. Sparse resources and a growing waitlist mandate that available grafts are allocated properly. We studied the differences in patient demographics, characteristics, and survival for those listed for re-OLT in a region with prolonged wait times. MATERIAL AND METHODS: We performed a single-center retrospective study, from 2005 to 2013, of adult candidates listed for liver re-OLT at a tertiary care center within United Network for Organ Sharing (UNOS) region 1...
November 2016: Annals of Hepatology
M Rayar, G B Levi Sandri, C Cusumano, C Locher, P Houssel-Debry, C Camus, N Lombard, V Desfourneaux, M Lakehal, B Meunier, L Sulpice, K Boudjema
During orthotopic liver transplantation (OLT), clamping of the portal vein induces splanchnic venous congestion and accumulation of noxious compounds. These adverse effects could increase ischemia-reperfusion injury and subsequently the risk of graft dysfunction, especially for grafts harvested from extended criteria donors (ECD). Temporary portocaval shunt (TPCS) could prevent these complications. Between 2002 and 2013, all OLT performed in our center were retrospectively analyzed and a propensity score matching analysis was used to compare the effect of TPCS in 686 patients (343 in each group)...
October 5, 2016: Liver Transplantation
Michael J Magnetta, Minzhi Xing, Di Zhang, Hyun S Kim
PURPOSE: To investigate socioeconomic and demographic factors associated with transplantation outcomes in patients with hepatocellular carcinoma (HCC) treated with bridging locoregional therapy (LRT) before orthotopic liver transplantation (OLT). MATERIALS AND METHODS: The United Network for Organ Sharing (UNOS) database was used to identify all patients in the United States with HCC who were listed for OLT between 2002 and 2013. Mean overall survival (OS) after OLT was stratified based on age, sex, ethnicity, transplant year, region, and insurance status...
September 27, 2016: Journal of Vascular and Interventional Radiology: JVIR
Yi-Chan Chen, Chih-Hsien Cheng, Yu-Chao Wang, Ting-Jun Wu, Hong-Shiue Chou, Kun-Ming Chan, Wei-Chen Lee, Chen-Fang Lee, Ruey Shyang Soong
Orthotopic liver transplantation (OLT) is the choice of treatment not only for end-stage liver disease and acute liver failure but also for hepatocellular carcinoma (HCC). The development of de novo malignancies after liver transplantation plays an important role in late mortality; the incidence of late mortality has increased owing to improved survival. The incidence of de novo malignancies is 2.3% to 25%, which is 2 to 3 times that of malignancies in the general population. The most commonly reported de novo malignancies in solid organs are skin cancer, Karposi sarcoma, and colon cancer according to the frequency of exposure to a specific carcinogen...
September 2016: Medicine (Baltimore)
Justin D Orr, John C Dunn, Kenneth A Heida, Nicholas A Kusnezov, Brian R Waterman, Philip J Belmont
INTRODUCTION: Structural fresh osteochondral allograft transfer is an appropriate treatment option for large osteochondral lesions of the talus (OLTs), specifically lesions involving the shoulder of the talus. Sparse literature exists regarding functional outcome following this surgery in high-demand populations. MATERIALS AND METHODS: Over a 2-year period, a single surgeon performed 8 structural allograft transfers for treatment of large OLTs in an active duty US military population...
September 13, 2016: Foot & Ankle Specialist
Tomas DaVee, Sunil K Geevarghese, James C Slaughter, Patrick S Yachimski
BACKGROUND AND AIMS: Anastomotic bile leaks are common after orthotopic liver transplant (OLT), and standard treatment consists of placement of a biliary endoprosthesis. The objectives of this study were to identify risk factors for refractory anastomotic bile leaks and to determine the morbidity associated with refractory bile leaks after OLT. METHODS: Consecutive adult patients who underwent endoscopic retrograde cholangiopancreatography (ERCP) for treatment of post-OLT biliary adverse events between 2009 and 2014 at a high-volume transplant center were retrospectively identified...
September 10, 2016: Gastrointestinal Endoscopy
J T Magruder, A S Shah, T C Crawford, J C Grimm, B Kim, J B Orens, E L Bush, R S Higgins, C A Merlo
We simulated the impact of regionalization of isolated heart and lung transplantation within United Network for Organ Sharing (UNOS) regions. Overall, 12 594 orthotopic heart transplantation (OHT) patients across 135 centers and 12 300 orthotopic lung transplantation (OLT) patients across 67 centers were included in the study. An algorithm was constructed that "closed" the lowest volume center in a region and referred its patients to the highest volume center. In the unadjusted analysis, referred patients were assigned the highest volume center's 1-year mortality rate, and the difference in deaths per region before and after closure was computed...
September 12, 2016: American Journal of Transplantation
Mettu Srinivas Reddy, Rajesh Rajalingam, Mohamed Rela
Even though Auxiliary Partial Orthotopic Liver Transplantation (APOLT) as a technique was popularized in the late eighties, its role in metabolic liver disease remains controversial. The slow progress in gene therapy research, high incidence of technical complications and the problem of long term graft atrophy have been roadblocks to its wider application. Better understanding of reciprocal dynamics of portal flow and regeneration between the graft and native liver along with multiple refinements in surgical technique have improved outcomes of this operation making it a safe alternative to OLT for patients with a wide range of noncirrhotic metabolic liver diseases (NCMLD)...
September 8, 2016: Transplantation
Francesca Vannini, Giuseppe Gianluca Costa, Silvio Caravelli, Gherardo Pagliazzi, Massimiliano Mosca
PURPOSE: ankle injuries make up 15% of all sports injuries and osteochondral lesions of the talus (OLTs) are an increasingly frequent problem in active patients. There exist no widely shared guidelines on OLT treatment in the athletic population. The aim of this paper is to review all the existing literature evidence on the surgical treatment of OLTs in athletes, in order to determine the current state of the art in this specific population, underlining both the limits and the potential of the strategies used...
April 2016: Joints
Federico Giuseppe Usuelli, Miriam Grassi, Luigi Manzi, Vincenzo Guarrella, Michele Boga, Laura DE Girolamo
PURPOSE: the aim of this study is to report the clinical and imaging results recorded by a series of patients in whom osteochondral lesions of the talus (OLTs) were repaired using the autologous collagen-induced chondrogenesis (ACIC) technique with a completely arthroscopic approach. METHODS: nine patients (mean age 37.4±10 years) affected by OLTs (lesion size 2.1±0.9 cm(2)) were treated with the ACIC technique. The patients were evaluated clinically both preoperatively and at 12 months after surgery using the American Orthopaedic Foot and Ankle Society Ankle-Hindfoot Scale (AOFAS) and a visual analog scale (VAS)...
April 2016: Joints
Patrick Aepli, Andrew St John, Saurabh Gupta, Luke F Hourigan, Rhys Vaughan, Marios Efthymiou, Arthur Kaffes
BACKGROUND: Anastomotic biliary strictures (AS) after orthotopic liver transplantation (OLT) belong to the most common biliary complications and cause the biggest morbidity burden after OLT. Metal stents for benign biliary strictures are gaining acceptance with many published series. Traditional metal stent designs seem to have poor durability in AS after OLT. Novel intra-ductal stents are showing promise in these strictures. As a result, we designed a special stent with an antimigration waist and a short stent length with a long removal string that rests in the duodenum for easy removal...
August 29, 2016: Surgical Endoscopy
Kayvan Mohkam, Florian Fanget, Benjamin Darnis, Brahim Harbaoui, Agnès Rode, Bruno Charpiat, Christian Ducerf, Jean-Yves Mabrut
BACKGROUND: Doppler ultrasound arterial abnormalities (DAA) after orthotopic liver transplantation (OLT) often represent a sign of hepatic artery (HA) complication (HAC). The standard management of DAA involves computed tomographic angiography (CTA) followed by invasive vascular intervention (IVI) or observation. We evaluated the contribution of systemic vasodilators (SVD) to the management of DAA after OLT. METHODS: Between 2005 and 2015, 91 out of 514 OLT recipients developed DAA (defined by HA resistive index [HARI] <0...
August 19, 2016: Transplantation
A Restoux, S Grassin-Delyle, N Liu, C Paugam-Burtz, J Mantz, M Le Guen
BACKGROUND: Automated titration of propofol and remifentanil guided by the bispectral index (BIS) has been used for numerous surgical procedures. Orthotopic liver transplantation (OLT) uniquely combines major changes in circulating volume, an anhepatic phase, and ischaemia-reperfusion syndrome. We assessed the behaviour of this automated controller during OLT. METHODS: Adult patients undergoing OLT were included in this pilot study. Consumption of propofol and remifentanil was calculated for each surgery period (dissection, anhepatic, and liver reperfusion phases)...
September 2016: British Journal of Anaesthesia
Yin Zongyi, Li Baifeng, Zou Funian, Li Hao, Wang Xin
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at
August 5, 2016: EBioMedicine
Eliza W Beal, Khalid Mumtaz, Don Hayes, Bryan A Whitson, Sylvester M Black
Combined heart-liver transplantation is a rare, life-saving procedure that treats complex and often fatal diseases including familial amyloidosis polyneuropathy and late stage congenital heart disease status-post previous repair. There were 159 combined heart-liver transplantations performed between January 1, 1988 and October 3, 2014 in the United States. A multitude of potential techniques to be used for combined heart and liver transplant including: orthotopic heart transplant (OHT) and orthotopic liver transplant (OLT) on full cardiopulmonary bypass (CPB), OHT with CPB and OLT with venovenous bypass (VVB), OHT with CPB and OLT without VVB, en-bloc technique and sequential transplantation...
October 2016: Transplantation Reviews
Guang Xu, Lan-Lan Li, Zhen-Tao Sun, Wei Zhang, Xue-Ping Han
BACKGROUND Because of the restricted data available on patients with postoperative cognitive dysfunction (POCD) in orthotopic liver transplantation (OLT), the goal of our study was to determine the outcome of dexmedetomidine (DEX) on POCD and the mechanism operating in OLT patients. MATERIAL AND METHODS Our study included 80 patients randomly divided into 2 equal groups: the DEX group and the control group. In the DEX group, our patients received an initial dose of DEX at 1 µg/kg for 10 min followed by a continuous infusion at 0...
2016: Annals of Transplantation: Quarterly of the Polish Transplantation Society
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