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Biliary injury

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https://www.readbyqxmd.com/read/29465584/duplication-of-the-extrahepatic-bile-duct-a-case-report-and-review-of-the-literatures
#1
Xiaoxiao Fan, Lifeng He, P Asutosh Khadaroo, Daizhan Zhou, Hui Lin
RATIONALE: Duplication of the extrahepatic bile duct is an extremely rare congenital anomaly of the biliary system. PATIENT CONCERNS: A 44-year-old woman presented with a history of continuous upper abdominal pain and vomiting. DIAGNOSES: Magnetic resonance cholangiopancreatography (MRCP) disclosed diffuse dilatation of the intrahepatic and extrahepatic bile ducts. Endoscopic retrograde cholangiopancreatography (ERCP) showed the presence of two extrahepatic bile ducts with calculus at the distal end of the CBD...
February 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29459806/-iatrogenic-lesions-of-the-biliary-tract
#2
Himerón Limaylla-Vega, Emilio Vega-Gonzales
Iatrogenic bile duct injuries (IBDI) represent a serious surgical complication of laparoscopic cholecystectomy (LC). Often it occurs when the bile duct merges with the cystic duct; and they have been ranked by Strasberg and Bismuth, depending on the degree and level of injury. About third of IBDI recognized during LC, to detect bile leakage. No immediate repair is recommended, especially when the lesion is near the confluence or inflammation is associated. The drain should be established to control leakage of bile and prevent biliary peritonitis, before transferring the patient to a specialist in complex hepatobiliary surgery facility...
October 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/29459802/diagnostic-and-therapeutic-cholangioscopy-in-biliary-diseases-a-prospective-study-in-peru
#3
Víctor Sánchez Cerna, Christian Alcántara Figueroa, Tania Reyes Mugruza, Lisbeth Acorda Sifuentes, Miguel Valverde Huamán, Mario Valdivia Roldán, Gloria Várgas Cárdenas, Corina Mayuri Bravo de Rueda, Rolando Tito La Torre, Jeimy Ramos Pacheco, Miguel Chávez Rossell, Lucinda Morán Tisoc
INTRODUCTION: Cholangioscopy is a test that allows the evaluation of the biliary epithelium. It is used for diagnosis and management of biliary diseases. OBJECTIVES: Determine the success rate of complete removal of difficult stones with the use of laser lithotripsy through cholangioscopy as well as its complications. Determine the visual impression accuracy of bile duct injuries. MATERIALS AND METHODS: This is a prospective and descriptive study...
October 2017: Revista de Gastroenterología del Perú: órgano Oficial de la Sociedad de Gastroenterología del Perú
https://www.readbyqxmd.com/read/29438852/transcriptome-analysis-to-assess-the-cholestatic-hepatotoxicity-induced-by-polygoni-multiflori-radix-up-regulation-of-key-enzymes-of-cholesterol-and-bile-acid-biosynthesis
#4
Li-Long Jiang, Dong-Sheng Zhao, Ya-Xi Fan, Qiong Yu, Yi-Sheng Lai, Ping Li, Hui-Jun Li
Polygoni Multiflori Radix (PMR) has been commonly used as a tonic in China for centuries. However, PMR-associated hepatotoxicity is becoming a safety issue. Cholestasis often occurs in PMR-induced hepatotoxicity in clinical medicine, but the exact mechanism is not completely understood. An RNA-Seq method was employed, in the present study, to explore the molecular mechanism of cholestatic liver injury induced by PMR, characterized by the hepatic transcriptional response in rats exposed to 1 and 20 g/kg PMR for 90 days...
February 10, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29429758/the-immunobiology-of-mucosal-associated-invariant-t-cell-mait-function-in-primary-biliary-cholangitis-regulation-by-cholic-acid-induced-interleukin-7
#5
Xiang Jiang, Min Lian, Yanmei Li, Weici Zhang, Qixia Wang, Yiran Wei, Jun Zhang, Weihua Chen, Xiao Xiao, Qi Miao, Zhaolian Bian, Dekai Qiu, Jingyuan Fang, Aftab A Ansari, Patrick S C Leung, Ross L Coppel, Ruqi Tang, M Eric Gershwin, Xiong Ma
Mucosal-associated invariant T (MAIT) cells are novel innate-like T cells constituting a significant proportion of circulating and hepatic T cells. Herein, we extensively examine the phenotypical and functional alterations of MAIT cells and their regulation in a cohort of 56 patients with Primary Biliary Cholangitis (PBC) and 53 healthy controls (HC). Additionally alterations of MAIT cells were assessed before and after UDCA treatment. Finally the localization of MAIT cell in liver was examined using specific tetramer staining and the underlying mechanisms of these alterations in PBC were explored...
February 8, 2018: Journal of Autoimmunity
https://www.readbyqxmd.com/read/29428971/emergence-of-anti-mitochondrial-m2-antibody-in-patient-with-angioimmunoblastic-t-cell-lymphoma
#6
Shun-Ichi Wakabayashi, Takefumi Kimura, Naoki Tanaka, Satoru Joshita, Kazuhito Kawata, Takeji Umemura, Yuki Hiroshima, Hiromitsu Mori, Hikaru Kobayashi, Shuichi Wada, Eiji Tanaka
A 68-year-old woman was referred to our hospital due to fever and rash on the neck and extremities. Laboratory findings revealed hepatic dysfunction and positivity for anti-mitochondrial M2 antibody (AMA-M2). Hepatosplenomegaly and systemic lymphadenopathy were detected by enhanced computed tomography. One week after her first visit, hypoxemia, ascites, and Coomb test-positive autoimmune hemolytic anemia had newly appeared in addition to worsened fever, hepatosplenomegaly, and lymphadenopathy. Results of axillary lymph node, skin, and bone-marrow biopsies led to the diagnosis of angioimmunoblastic T-cell lymphoma (AITL), for which CEPP therapy (cyclophosphamide, etoposide, procarbazine, and prednisolone) was initiated...
February 10, 2018: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/29428575/s-adenosylmethionine-attenuates-bile-duct-early-warm-ischemia-reperfusion-injury-after-rat-liver-transplantation
#7
Yong Tang, Hongpeng Chu, Guojun Cao, Xiaolong Du, Xiaobo Min, Chidan Wan
Warm ischemia reperfusion injury (IRI) plays a key role in biliary complication, which is a substantial vulnerability of liver transplantation. The early pathophysiological changes of IRI are characterized by an excessive inflammatory response. S-Adenosylmethionine (SAM) is an important metabolic intermediate that modulates inflammatory reactions; however, its role in bile duct warm IRI is not known. In this study, male rats were treated with or without SAM (170 μmol/kg body weight) after orthotopic autologous liver transplantation...
February 8, 2018: Molecular Immunology
https://www.readbyqxmd.com/read/29420067/organic-solute-transporter-ost%C3%AE-%C3%A3-is-over-expressed-in-nonalcoholic-steatohepatitis-and-modulated-by-drugs-associated-with-liver-injury
#8
Melina Miia Malinen, Izna Ali, Jacqueline Bezençon, James John Beaudoin, Kim L R Brouwer
The heteromeric steroid transporter, organic solute transporter alpha/beta (OSTα/β; SLC51), was discovered over a decade ago, but its physiological significance in the liver is still uncertain. A major challenge has been the lack of suitable models expressing OSTα/β. Based on observations first reported herein that hepatic OSTα/β is upregulated in nonalcoholic steatohepatitis (NASH), the aim of this research was to develop an in vitro model to evaluate OSTα/β function and interaction with drugs and bile acids...
February 8, 2018: American Journal of Physiology. Gastrointestinal and Liver Physiology
https://www.readbyqxmd.com/read/29414666/dexamethasone-restores-transforming-growth-factor-%C3%AE-activated-kinase-1-expression-and-phagocytosis-activity-of-kupffer-cells-in-cholestatic-liver-injury
#9
Chih-Sung Hsieh, Jiin-Haur Chuang, Ming-Huei Chou, Ying-Hsien Kao
The role of transforming growth factor-β activated kinase 1 (TAK1) in modulating the function of Kupffer cells (KCs) within cholestatic livers remains unclear. This study examined the immunopharmacological action of dexamethasone (DEX) in modulating hepatic TAK1 expression and related signaling activity in a rat model of bile duct ligation-mimicked obstructive jaundice. The in vitro effects of DEX on porcine biliary extract (PBE)-modulated gene expression and phagocytosis of KCs were examined using a rat alveolar macrophage cell line (NR8383 cells)...
February 4, 2018: International Immunopharmacology
https://www.readbyqxmd.com/read/29404503/the-ectonucleotidase-entpd1-cd39-limits-biliary-injury-and-fibrosis-in-mouse-models-of-sclerosing-cholangitis
#10
Zhen-Wei Peng, Sonja Rothweiler, Guangyan Wei, Naoki Ikenaga, Susan B Liu, Deanna Y Sverdlov, Kahini A Vaid, Maria Serena Longhi, Ming Kuang, Simon C Robson, Yury V Popov
The pathogenesis of primary sclerosing cholangitis (PSC) and the mechanistic link to inflammatory bowel disease remain ill-defined. Ectonucleoside triphosphate diphosphohydrolase-1 (ENTPD1)/clusters of differentiation (CD) 39, the dominant purinergic ecto-enzyme, modulates intestinal inflammation. Here, we have explored the role of CD39 in biliary injury and fibrosis. The impact of CD39 deletion on disease severity was studied in multidrug resistance protein 2 (Mdr2)-/- and 3,5-diethoxycarbonyl-1,4-dihydrocollidine mouse models of sclerosing cholangitis and biliary fibrosis...
November 2017: Hepatology Communications
https://www.readbyqxmd.com/read/29397335/proposed-standards-for-reporting-outcomes-of-treating-biliary-injuries
#11
Jai Young Cho, Todd H Baron, David L Carr-Locke, William C Chapman, Guido Costamagna, Eduardo de Santibanes, Ismael Dominguez Rosado, O James Garden, Dirk Gouma, Keith D Lillemoe, Miguel Angel Mercado, Daniel K Mullady, Robert Padbury, Daniel Picus, Henry A Pitt, Stuart Sherman, Richard Shlansky-Goldberg, Bjorn Tornqvist, Steven M Strasberg
BACKGROUND: There is no standard nor widely accepted way of reporting outcomes of treatment of biliary injuries. This hinders comparison of results among approaches and among centers. This paper presents a proposal to standardize terminology and reporting of results of treating biliary injuries. METHODS: The proposal was developed by an international group of surgeons, biliary endoscopists and interventional radiologists. The method is based on the concept of "patency" and is similar to the approach used to create reporting standards for arteriovenous hemodialysis access...
January 31, 2018: HPB: the Official Journal of the International Hepato Pancreato Biliary Association
https://www.readbyqxmd.com/read/29395896/pilot-study-of-the-safety-and-efficacy-of-gallbladder-cryoablation-in-a-porcine-model-midterm-results
#12
Hugh C J McGregor, Andrew Surman, Adrian Fernandez, Maythem Saeed, Mark Wilson, Steve Hetts, Miles Conrad
PURPOSE: To investigate the midterm safety and efficacy of computed tomography (CT)-guided percutaneous gallbladder cryoablation in swine. MATERIALS AND METHODS: Three swine underwent gallbladder cryoablation. Cryoprobes were positioned percutaneously at the gallbladder margins or within the gallbladder lumen under CT guidance. Two freeze/thaw cycles were performed. One animal was euthanized on postprocedure day 4 as a result of hematemesis unrelated to the ablation...
January 27, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29391088/concurrent-biliary-disease-increases-the-risk-for-conversion-and-bile-duct-injury-in-laparoscopic-cholecystectomy-a-retrospective-analysis-at-a-county-teaching-hospital
#13
Lara H Spence, Samuel Schwartz, Amy H Kaji, David Plurad, Dennis Kim
Biliary tract disease remains a common indication for operative intervention. The incidence of concurrent biliary tract disease (>2 biliary tract disease processes) is unknown and the impact of more than one biliary tract diagnosis on outcomes remains to be defined. The objective of this study was to determine the effect of concurrent biliary tract disease on conversion rate and outcomes after laparoscopic cholecystectomy. A 5-year retrospective analysis of all patients who underwent a laparoscopic cholecystectomy was performed comparing those with a single biliary diagnosis to patients with concurrent biliary tract disease...
October 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29375737/new-14-mm-diameter-niti-s-biliary-uncovered-metal-stent-for-unresectable-distal-biliary-malignant-obstruction
#14
Masataka Kikuyama, Naofumi Shirane, Shinya Kawaguchi, Shuzou Terada, Tsuyoshi Mukai, Ken Sugimoto
AIM: To investigate whether an uncovered self-expandable metal stent (UCSEMS) with a large diameter could prevent recurrent biliary obstruction (RBO). METHODS: Thirty-eight patients with malignant biliary obstruction underwent treatment with an UCSEMS with a 14-mm diameter (Niti-S 14). Retrospectively, we evaluated technical and functional success rate, RBO rate, time to RBO, survival time, and adverse events in these patients. RESULTS: Stent placement success and functional success were achieved in all patients...
January 16, 2018: World Journal of Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29369470/hypothermic-oxygenated-machine-perfusion-reduces-bile-duct-reperfusion-injury-after-transplantation-of-donation-after-circulatory-death-livers
#15
Rianne van Rijn, Otto B van Leeuwen, Alix P M Matton, Laura C Burlage, Janneke Wiersema-Buist, Marius C van den Heuvel, Ruben H J de Kleine, Marieke T de Boer, Annette S H Gouw, Robert J Porte
INTRODUCTION: Dual hypothermic oxygenated machine perfusion (DHOPE) of the liver has been advocated as a method to reduce ischemia-reperfusion injury. This study aimed to determine whether DHOPE reduces IR injury of the bile ducts in DCD liver transplantation. MATERIALS AND METHODS: In a recently performed phase 1-trial, ten DCD livers were preserved with DHOPE after static cold storage (SCS) (www.trialregister.nl NTR4493). Bile duct biopsies were obtained at the end of SCS (before DHOPE; baseline) and after graft reperfusion in the recipient...
January 25, 2018: Liver Transplantation
https://www.readbyqxmd.com/read/29368085/selective-nonoperative-management-of-liver-gunshot-injuries
#16
Pradeep Navsaria, Andrew Nicol, Jake Krige, Sorin Edu, Sharfuddin Chowdhury
PURPOSE: Nonoperative management (NOM) of gunshot liver injuries (GLI) is infrequently practiced. The aim of this study was to assess the safety of selective NOM of GLI. METHODS: A prospective, protocol-driven study, which included patients with GLI admitted to a level 1 trauma center, was conducted over a 52-month period. Stable patients without peritonism or sustained hypotension with right-sided thoracoabdominal (RTA) and right upper quadrant (RUQ), penetrating wounds with or without localized RUQ tenderness, underwent contrasted abdominal CT scan to determine the trajectory and organ injury...
January 24, 2018: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/29362881/outcome-of-concomitant-resection-of-the-replaced-right-hepatic-artery-in-pancreaticoduodenectomy-without-reconstruction
#17
Toshimichi Asano, Toru Nakamura, Takehiro Noji, Keisuke Okamura, Takahiro Tsuchikawa, Yoshitsugu Nakanishi, Kimitaka Tanaka, Soichi Murakami, Yuma Ebihara, Yo Kurashima, Toshiaki Shichinohe, Satoshi Hirano
PURPOSE: It has been reported that preoperative embolization or intraoperative reconstruction of the replaced right hepatic artery (rRHA) in order to secure the arterial blood flow to the liver and biliary tract are useful for patients who have undergone pancreaticoduodenectomy (PD) with concomitant rRHA resection. In this study, the feasibility of concomitant resection of rRHA in PD without preoperative embolization or intraoperative reconstruction were retrospectively evaluated with a particular focus on postoperative complications...
January 23, 2018: Langenbeck's Archives of Surgery
https://www.readbyqxmd.com/read/29351939/retroperitoneal-bile-leak-after-laparoscopic-cholecystectomy
#18
Dee Zhen Lim, Enoch Wong, Sayed Hassen, Yahya Al-Habbal
Bile duct injury (BDI) is a well-recognised complication of laparoscopic cholecystectomy (LC). Following a BDI, bile usually leaks into the peritoneal space and causes biliary peritonitis. This manifests as non-specific abdominal pain and fever occurring several days after the surgery. It can be managed by laparoscopic washout with or without bile duct repair. We present a rare case of retroperitoneal bile leak post-LC. The mechanism of injury here was likely partial avulsion from excessive traction of the cystic duct during intraoperative cholangiogram...
January 18, 2018: BMJ Case Reports
https://www.readbyqxmd.com/read/29349553/differential-jnk-p38-and-erk-response-to-renal-injury-in-a-rat-model-of-acute-pancreatitis-in-pregnancy
#19
Fangchao Mei, Teng Zuo, Liang Zhao, Qiao Shi, Mingwei Xiang, Yupu Hong, Man Li, Weixing Wang
OBJECTIVE: The objective of this study was to determine the mechanism of acute renal injury (ARI) in acute necrotizing pancreatitis in late pregnancy (ANPIP). METHODS: Pregnant Sprague-Dawley rats in the third trimester were used for this study, and an ANPIP model was induced by injecting 5% sodium taurocholate into the biliary pancreatic duct. The rats were randomly divided into three groups: the normal, sham-operated (SO) and acute necrotizing pancreatitis (ANP) groups...
January 18, 2018: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/29346429/the-farnesoid-x-receptor-agonist-obeticholic-acid-upregulates-biliary-excretion-of-asymmetric-dimethylarginine-via-mate-1-during-hepatic-ischemia-reperfusion-injury
#20
Andrea Ferrigno, Laura Giuseppina Di Pasqua, Clarissa Berardo, Veronica Siciliano, Vittoria Rizzo, Luciano Adorini, Plinio Richelmi, Mariapia Vairetti
BACKGROUND: We previously showed that increased asymmetric dimethylarginine (ADMA) biliary excretion occurs during hepatic ischemia/reperfusion (I/R), prompting us to study the effects of the farnesoid X receptor (FXR) agonist obeticholic acid (OCA) on bile, serum and tissue levels of ADMA after I/R. MATERIAL AND METHODS: Male Wistar rats were orally administered 10mg/kg/day of OCA or vehicle for 5 days and were subjected to 60 min partial hepatic ischemia or sham-operated...
2018: PloS One
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