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https://www.readbyqxmd.com/read/28626633/mediastinal-hemangioendothelioma-case-report-and-review-of-the-literature
#1
Davide Patrini, Laura Scolamiero, Reena Khiroya, David Lawrence, Elaine Borg, Martin Hayward, Nikolaos Panagiotopoulos
BACKGROUND: Epithelioid haemangioendothelioma (EHE) is a rare low-grade vascular neoplasm that can arise in the lung, liver, soft tissues or, less commonly, bone. Due to its low prevalence of less than one in a million and its non-specific clinical features, EHE is often misdiagnosed and managed inappropriately. Here we discuss the case of a 58 year-old gentleman with mediastinal EHE and review existing literature on pulmonary EHE (PEH). CASE HISTORY: A 58 year-old gentleman presented to our outpatient Clinic with chest discomfort and palpitations...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28624625/a-formalin-fixed-paraffin-embedded-ffpe-based-prognostic-signature-to-predict-metastasis-in-clinically-low-risk-stage-i-ii-microsatellite-stable-colorectal-cancer
#2
Yee Syuen Low, Christopher Blöcker, John R McPherson, See Aik Tang, Ying Ying Cheng, Joyner Y S Wong, Clarinda Chua, Tony K H Lim, Choong Leong Tang, Min Hoe Chew, Patrick Tan, Iain B Tan, Steven G Rozen, Peh Yean Cheah
Approximately 20% early-stage (I/II) colorectal cancer (CRC) patients develop metastases despite curative surgery. We aim to develop a formalin-fixed and paraffin-embedded (FFPE)-based predictor of metastases in early-stage, clinically-defined low risk, microsatellite-stable (MSS) CRC patients. We considered genome-wide mRNA and miRNA expression and mutation status of 20 genes assayed in 150 fresh-frozen tumours with known metastasis status. We selected 193 genes for further analysis using NanoString nCounter arrays on corresponding FFPE tumours...
June 15, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28608040/paraesophageal-hernia-repair-in-the-usa-trends-of-utilization-stratified-by-surgical-volume-and-consequent-impact-on-perioperative-outcomes
#3
Francisco Schlottmann, Paula D Strassle, Marco E Allaix, Marco G Patti
BACKGROUND: The impact of surgical volume on perioperative results after a paraesophageal hernia (PEH) repair has not yet been analyzed. We sought to characterize the trend of utilization of this procedure stratified by surgical volume in the USA, and analyze its impact on perioperative outcomes. METHODS: A retrospective population-based analysis was performed using the National Inpatient Sample for the period 2000-2013. Adult patients (≥18 years old) who underwent PEH repair were included...
June 12, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28594583/impact-of-surgeon-specialty-on-perioperative-outcomes-of-surgery-for-benign-esophageal-diseases-a-nsqip-analysis
#4
Zeyad Khoshhal, Joseph Canner, Eric Schneider, Miloslawa Stem, Elliott Haut, Francisco Schlottmann, Arianna Barbetta, Benedetto Mungo, Anne Lidor, Daniela Molena
BACKGROUND: Surgery for benign esophageal disease is mostly performed either by general surgeons (GS) or cardiothoracic surgeons (CTS) in the United States. The purpose of this study was to evaluate the effect of surgeon specialty on perioperative outcomes of surgery for benign esophageal diseases. MATERIALS AND METHODS: We have conducted a retrospective analysis using the ACS-NSQIP during the period of 2006-2013. Patients who underwent paraesophageal hernia (PEH) repair, gastric fundoplication, or Heller esophagomyotomy were divided into two groups according to the specialty of the surgeon (GS or CTS)...
June 8, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28582609/coupling-reactions-of-alkynyl-indoles-and-co2-by-bicyclic-guanidine-origin-of-catalytic-activity
#5
Choon Wee Kee, Kai Qi Elizabeth Peh, Ming Wah Wong
Density functional theory calculations were used to investigate the three possible modes of activation for the coupling of CO2 with alkynyl indoles in the presence of a guanidine base. The first of these mechanisms, involving electrophilic activation, was originally proposed by Skrydstrup et al. (Angew. Chem. Int. Ed. 2015, 54, 6682). The second mechanism involves the nucleophilic activation of CO2 . Both of these electrophilic and nucleophilic activation processes involve the formation of a guanidine-CO2 zwitterion adduct...
June 5, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28562193/mentoring-relationships-between-senior-physicians-and-junior-doctors-and-or-medical-students-a-thematic-review
#6
Julia Huina Sng, Yiying Pei, Ying Pin Toh, Tan Ying Peh, Shirlyn Huishan Neo, Lalit Kumar Radha Krishna
INTRODUCTION: Mentoring relationships are pivotal to the outcome of the mentoring process. This thematic review seeks to study the key aspects of mentoring relationships between senior physicians and junior doctors and/or medical students to inform efforts to improve mentoring programs. METHODS: Literature search was performed on publications across PubMed, ERIC, Cochrane Database of Systematic Reviews, OVID and ScienceDirect databases between 1 January 2000 and 31 December 2015 by three independent reviewers...
May 31, 2017: Medical Teacher
https://www.readbyqxmd.com/read/28553957/genetic-association-study-of-exfoliation-syndrome-identifies-a-protective-rare-variant-at-loxl1-and-five-new-susceptibility-loci
#7
Tin Aung, Mineo Ozaki, Mei Chin Lee, Ursula Schlötzer-Schrehardt, Gudmar Thorleifsson, Takanori Mizoguchi, Robert P Igo, Aravind Haripriya, Susan E Williams, Yury S Astakhov, Andrew C Orr, Kathryn P Burdon, Satoko Nakano, Kazuhiko Mori, Khaled Abu-Amero, Michael Hauser, Zheng Li, Gopalakrishnan Prakadeeswari, Jessica N Cooke Bailey, Alina Popa Cherecheanu, Jae H Kang, Sarah Nelson, Ken Hayashi, Shin-Ichi Manabe, Shigeyasu Kazama, Tomasz Zarnowski, Kenji Inoue, Murat Irkec, Miguel Coca-Prados, Kazuhisa Sugiyama, Irma Järvelä, Patricio Schlottmann, S Fabian Lerner, Hasnaa Lamari, Yildirim Nilgün, Mukharram Bikbov, Ki Ho Park, Soon Cheol Cha, Kenji Yamashiro, Juan C Zenteno, Jost B Jonas, Rajesh S Kumar, Shamira A Perera, Anita S Y Chan, Nino Kobakhidze, Ronnie George, Lingam Vijaya, Tan Do, Deepak P Edward, Lourdes de Juan Marcos, Mohammad Pakravan, Sasan Moghimi, Ryuichi Ideta, Daniella Bach-Holm, Per Kappelgaard, Barbara Wirostko, Samuel Thomas, Daniel Gaston, Karen Bedard, Wenda L Greer, Zhenglin Yang, Xueyi Chen, Lulin Huang, Jinghong Sang, Hongyan Jia, Liyun Jia, Chunyan Qiao, Hui Zhang, Xuyang Liu, Bowen Zhao, Ya-Xing Wang, Liang Xu, Stéphanie Leruez, Pascal Reynier, George Chichua, Sergo Tabagari, Steffen Uebe, Matthias Zenkel, Daniel Berner, Georg Mossböck, Nicole Weisschuh, Ursula Hoja, Ulrich-Christoph Welge-Luessen, Christian Mardin, Panayiota Founti, Anthi Chatzikyriakidou, Theofanis Pappas, Eleftherios Anastasopoulos, Alexandros Lambropoulos, Arkasubhra Ghosh, Rohit Shetty, Natalia Porporato, Vijayan Saravanan, Rengaraj Venkatesh, Chandrashekaran Shivkumar, Narendran Kalpana, Sripriya Sarangapani, Mozhgan R Kanavi, Afsaneh Naderi Beni, Shahin Yazdani, Alireza Lashay, Homa Naderifar, Nassim Khatibi, Antonio Fea, Carlo Lavia, Laura Dallorto, Teresa Rolle, Paolo Frezzotti, Daniela Paoli, Erika Salvi, Paolo Manunta, Yosai Mori, Kazunori Miyata, Tomomi Higashide, Etsuo Chihara, Satoshi Ishiko, Akitoshi Yoshida, Masahide Yanagi, Yoshiaki Kiuchi, Tsutomu Ohashi, Toshiya Sakurai, Takako Sugimoto, Hideki Chuman, Makoto Aihara, Masaru Inatani, Masahiro Miyake, Norimoto Gotoh, Fumihiko Matsuda, Nagahisa Yoshimura, Yoko Ikeda, Morio Ueno, Chie Sotozono, Jin Wook Jeoung, Min Sagong, Kyu Hyung Park, Jeeyun Ahn, Marisa Cruz-Aguilar, Sidi M Ezzouhairi, Abderrahman Rafei, Yaan Fun Chong, Xiao Yu Ng, Shuang Ru Goh, Yueming Chen, Victor H K Yong, Muhammad Imran Khan, Olusola O Olawoye, Adeyinka O Ashaye, Idakwo Ugbede, Adeola Onakoya, Nkiru Kizor-Akaraiwe, Chaiwat Teekhasaenee, Yanin Suwan, Wasu Supakontanasan, Suhanya Okeke, Nkechi J Uche, Ifeoma Asimadu, Humaira Ayub, Farah Akhtar, Ewa Kosior-Jarecka, Urszula Lukasik, Ignacio Lischinsky, Vania Castro, Rodolfo Perez Grossmann, Gordana Sunaric Megevand, Sylvain Roy, Edward Dervan, Eoin Silke, Aparna Rao, Priti Sahay, Pablo Fornero, Osvaldo Cuello, Delia Sivori, Tamara Zompa, Richard A Mills, Emmanuelle Souzeau, Paul Mitchell, Jie Jin Wang, Alex W Hewitt, Michael Coote, Jonathan G Crowston, Sergei Y Astakhov, Eugeny L Akopov, Anton Emelyanov, Vera Vysochinskaya, Gyulli Kazakbaeva, Rinat Fayzrakhmanov, Saleh A Al-Obeidan, Ohoud Owaidhah, Leyla Ali Aljasim, Balram Chowbay, Jia Nee Foo, Raphael Q Soh, Kar Seng Sim, Zhicheng Xie, Augustine W O Cheong, Shi Qi Mok, Hui Meng Soo, Xiao Yin Chen, Su Qin Peh, Khai Koon Heng, Rahat Husain, Su-Ling Ho, Axel M Hillmer, Ching-Yu Cheng, Francisco A Escudero-Domínguez, Rogelio González-Sarmiento, Frederico Martinon-Torres, Antonio Salas, Kessara Pathanapitoon, Linda Hansapinyo, Boonsong Wanichwecharugruang, Naris Kitnarong, Anavaj Sakuntabhai, Hip X Nguyn, Giang T T Nguyn, Trình V Nguyn, Werner Zenz, Alexander Binder, Daniela S Klobassa, Martin L Hibberd, Sonia Davila, Stefan Herms, Markus M Nöthen, Susanne Moebus, Robyn M Rautenbach, Ari Ziskind, Trevor R Carmichael, Michele Ramsay, Lydia Álvarez, Montserrat García, Héctor González-Iglesias, Pedro P Rodríguez-Calvo, Luis Fernández-Vega Cueto, Çilingir Oguz, Nevbahar Tamcelik, Eray Atalay, Bilge Batu, Dilek Aktas, Burcu Kasım, M Roy Wilson, Anne L Coleman, Yutao Liu, Pratap Challa, Leon Herndon, Rachel W Kuchtey, John Kuchtey, Karen Curtin, Craig J Chaya, Alan Crandall, Linda M Zangwill, Tien Yin Wong, Masakazu Nakano, Shigeru Kinoshita, Anneke I den Hollander, Eija Vesti, John H Fingert, Richard K Lee, Arthur J Sit, Bradford J Shingleton, Ningli Wang, Daniele Cusi, Raheel Qamar, Peter Kraft, Margaret A Pericak-Vance, Soumya Raychaudhuri, Steffen Heegaard, Tero Kivelä, André Reis, Friedrich E Kruse, Robert N Weinreb, Louis R Pasquale, Jonathan L Haines, Unnur Thorsteinsdottir, Fridbert Jonasson, R Rand Allingham, Dan Milea, Robert Ritch, Toshiaki Kubota, Kei Tashiro, Eranga N Vithana, Shazia Micheal, Fotis Topouzis, Jamie E Craig, Michael Dubina, Periasamy Sundaresan, Kari Stefansson, Janey L Wiggs, Francesca Pasutto, Chiea Chuen Khor
Exfoliation syndrome (XFS) is the most common known risk factor for secondary glaucoma and a major cause of blindness worldwide. Variants in two genes, LOXL1 and CACNA1A, have previously been associated with XFS. To further elucidate the genetic basis of XFS, we collected a global sample of XFS cases to refine the association at LOXL1, which previously showed inconsistent results across populations, and to identify new variants associated with XFS. We identified a rare protective allele at LOXL1 (p.Phe407, odds ratio (OR) = 25, P = 2...
May 29, 2017: Nature Genetics
https://www.readbyqxmd.com/read/28550872/hiatal-and-paraesophageal-hernia-repair-in-pediatric-patients
#8
Erin M Garvey, Daniel J Ostlie
Hiatal and paraesophageal hernia (HH/PEH) can be congenital, resulting from embryologic abnormalities/genetic predisposition, or acquired, most commonly after gastroesophageal surgery such as fundoplication. Minimizing circumferential esophageal dissection at the time of Nissen fundoplication has been shown to decrease the risk of acquired HH/PEH from 36.5% to 12.2%. Gastrointestinal, respiratory, and constitutional symptoms, including anemia and failure to thrive, are common with high rates of associated gastroesophageal reflux...
April 2017: Seminars in Pediatric Surgery
https://www.readbyqxmd.com/read/28526682/aeroallergens-induce-reactive-oxygen-species-production-and-dna-damage-and-dampen-antioxidant-responses-in-bronchial-epithelial-cells
#9
Tze Khee Chan, W S Daniel Tan, Hong Yong Peh, W S Fred Wong
Exposure to environmental allergens is a major risk factor for asthma development. Allergens possess proteolytic activity that is capable of disrupting the airway epithelium. Although there is increasing evidence pointing to asthma as an epithelial disease, the underlying mechanism that drives asthma has not been fully elucidated. In this study, we investigated the direct DNA damage potential of aeroallergens on human bronchial epithelial cells and elucidated the mechanisms mediating the damage. Human bronchial epithelial cells, BEAS-2B, directly exposed to house dust mites (HDM) resulted in enhanced DNA damage, as measured by the CometChip and the staining of DNA double-strand break marker, γH2AX...
May 19, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28523439/magnetic-resonance-imaging-of-painful-swollen-legs-in-the-emergency-department-a-pictorial-essay
#10
REVIEW
Ashish Chawla, Niraj Dubey, Kian Ming Chew, Dinesh Singh, Vishal Gaikwad, Wilfred Cg Peh
Patients presenting with a painful swollen leg are not infrequently encountered at the emergency department and can pose a diagnostic dilemma for attending physicians. The potential causes of leg pain and swelling include trauma, infection, inflammation, and neurogenic, vascular, and iatrogenic conditions; with magnetic resonance imaging (MRI) being an important tool in evaluation. We describe the MRI features of various conditions causing painful swollen legs. We also discuss the differential diagnosis and the useful clinical and laboratory findings that radiologists should be aware of, in order to arrive at an accurate diagnosis...
May 18, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28502463/greening-the-radiology-department-not-a-big-mountain-to-climb
#11
Ashish Chawla, Dinesh Chinchure, Laurel Owen Marchinkow, Peter L Munk, Wilfred C G Peh
An environmental-friendly radiology department should be a requirement of the future era. The aim of this article is to make radiologists aware of their responsibilities for a greener world. We have suggested a number of minor but important changes in various sections of a radiology department that can make the radiology department more environmentally friendly. These small steps require relatively little effort on our part but cumulatively, may have a huge positive impact on our environment.
May 11, 2017: Canadian Association of Radiologists Journal, Journal L'Association Canadienne des Radiologistes
https://www.readbyqxmd.com/read/28493161/primary-versus-redo-paraesophageal-hiatal-hernia-repair-a-comparative-analysis-of-operative-and-quality-of-life-outcomes
#12
H Reza Zahiri, Adam S Weltz, Udai S Sibia, Neethi Paranji, Steven D Leydorf, George T Fantry, Adrian E Park
INTRODUCTION: We compared patient outcomes after initial versus redo paraesophageal hernia (PEH) repair at two high-volume GI surgery centers. MATERIALS AND METHODS: Retrospective review analyzed one-year outcomes after initial versus redo elective laparoscopic PEH repair, including wound/non-wound-related complications and quality of life benefits as measured by four validated instruments: reflux symptom index, gastroesophageal reflux disease health-related, laryngopharyngeal reflux, and swallowing scales...
May 10, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28492357/long-term-effectiveness-of-strattice-in-the-laparoscopic-closure-of-paraesophageal-hernias
#13
Daniel Lomelin, Alicia Smith, Nathan Bills, Amareshewar Chiruvella, Christopher Crawford, Crystal Krause, Robert Bayer, Dmitry Oleynikov
Prosthetic reinforcement reduces the recurrence rate of large paraesophageal hernias (PEH), but the use of synthetic or biosynthetic mesh in the repair remains controversial. PEH repair has reported recurrence rates of 12% to 42%, and primary repair of PEH by suture closure under tension is at high risk of disruption. Synthetic mesh use in large PEH repair has shown to reduce recurrence but can lead to problems including mesh erosion, ulceration, stricture, and dysphagia. The objective of this study was to examine the long-term safety and efficacy of Strattice biologic mesh, a porcine acellular dermal matrix, in crural reinforcement of laparoscopic large PEH repair...
June 2017: Surgical Innovation
https://www.readbyqxmd.com/read/28490674/physical-form-of-dietary-fat-alters-postprandial-substrate-utilization-and-glycemic-response-in-healthy-chinese-men
#14
Sze-Yen Tan, Elaine Peh, Evelyn Lau, Alejandro G Marangoni, Christiani Jeyakumar Henry
Background: Dietary fats elicit various physiological responses, with the physical form of fat reported to alter fat digestion and absorption.Objectives: The primary aims were to compare the effects of dietary fat in 2 physical forms (liquid and oleogel) and 2 degrees of saturation (saturated and polyunsaturated) on postprandial energy expenditure (EE) and substrate oxidation, glycemia, and appetite.Methods: The study was a randomized, controlled crossover trial. Sixteen normal-weight, healthy Chinese men completed the study [mean ± SD age: 28 ± 6 y; body mass index (in kg/m(2)): 22...
May 10, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28484816/paraesophageal-hernia-and-reflux-prevention-is-one-fundoplication-better-than-the-other
#15
REVIEW
Ciro Andolfi, Alejandro Plana, Sara Furno, Piero Marco Fisichella
BACKGROUND: The management of paraesophageal hernia (PEH) is one of the most debated in surgery. Trends regarding indications, approach (open, laparoscopic, thoracoscopic), sac excision, mesh placement, and routine performance of fundoplication have changed over time. Today, most surgeons tend to perform a laparoscopic PEH repair that entails the excision of the sac, liberal use of a mesh to buttress the hiatus, and the addition of an anti-reflux procedure. Nevertheless, very little has been written on which type of fundoplication should be performed in these patients...
May 8, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28482361/acute-hypotension-after-high-intensity-interval-exercise-in-metabolic-syndrome-patients
#16
Felix Morales-Palomo, Miguel Ramirez-Jimenez, Juan Fernando Ortega, Jesús G Pallarés, Ricardo Mora-Rodriguez
The purpose of this study was to compare the magnitude of post-exercise hypotension (PEH) after a bout of cycling exercise using high-intensity interval training (HIIT) in comparison to a bout of traditional moderate-intensity continuous exercise (CE). After supine rest 14 obese (31±1 kg·m(-2)) middle-age (57±2 y) metabolic syndrome patients (50% hypertensive) underwent a bout of HIIT or a bout of CE in a random order and then returned to supine recovery for another 45 min. Exercise trials were isocaloric and compared to a no-exercise trial (CONT) of supine rest for a total of 160 min...
May 8, 2017: International Journal of Sports Medicine
https://www.readbyqxmd.com/read/28465835/a-rabbit-model-study-to-determine-the-efficacy-of-a-prototype-corneal-endothelium-protector-during-cataract-surgery
#17
Annabel C Y Chew, Anita Chan, Monisha E Nongpiur, Gary Peh, Veluchamy A Barathi, Nyein C Lwin, Charles Ong, Shamira Perera
Purpose. We evaluated the efficacy and safety of a mechanical device, the P-chute, in corneal endothelium preservation during phacoemulsification in a rabbit model. Methods. Twenty-four rabbits were randomly assigned into 2 groups. One eye of each rabbit underwent phacoemulsification that simulated the removal of a dense nucleus, with or without the P-chute. Serial slit-lamp examinations, anterior segment optical coherence tomography (ASOCT) scans, and specular microscopy were performed. Three rabbits from each group were sacrificed on postoperative days (PODs) 1, 5, 7, and 14...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28433224/the-importance-of-age-on-short-term-outcomes-associated-with-repair-of-giant-paraesophageal-hernias
#18
Mustapha A El Lakis, Stephen J Kaplan, Michal Hubka, Kamran Mohiuddin, Donald E Low
BACKGROUND: Older patients have an increased incidence of paraesophageal hernia (PEH) and can be denied surgical assessment due to the perception of increased complications and mortality. This study examines the influence of age and comorbidities on early complications and other short-term outcomes of PEH repair. METHODS: From 2000 to 2016, data of surgically treated patients with PEH were prospectively recorded in an Institutional Review Board-approved database...
June 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28413443/molecular-and-biochemical-characterization-of-recombinant-cel12b-cel8c-and-peh28-overexpressed-in-escherichia-coli-and-their-potential-in-biofuel-production
#19
Eman Ibrahim, Kim D Jones, Keith E Taylor, Ebtesam N Hosseney, Patrick L Mills, Jean M Escudero
BACKGROUND: The high crystallinity of cellulosic biomass myofibrils as well as the complexity of their intermolecular structure is a significant impediment for biofuel production. Cloning of celB-, celC-encoded cellulases (cel12B and cel8C) and peh-encoded polygalacturonase (peh28) from Pectobacterium carotovorum subsp. carotovorum (Pcc) was carried out in our previous study using Escherichia coli as a host vector. The current study partially characterizes the enzymes' molecular structures as well as their catalytic performance on different substrates which can be used to improve their potential for lignocellulosic biomass conversion...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28381645/effect-of-position-specific-single-point-mutations-%C3%A2-and-%C3%A2-biophysical-characterization-of-amyloidogenic-peptide-fragments-identified-from-lattice-corneal-dystrophy-%C3%A2-patients
#20
Venkatraman Anandalakshmi, Elavazhagan Murugan, Eunice Tze Leng Goh, Lim Wei Ting, Shyam S Chaurasia, Toshio Yamazaki, Toshio Nagashima, Benjamin Lawrence George, Gary Swee Lim Peh, Konstantin Pervushin, R Lakshminarayanan, Jodhbir S Mehta
Corneal stromal dystrophies are a group of genetic disorders that may be caused by mutations in the TGFBI gene which results in the aggregation and deposition of mutant proteins in various layers of the cornea. The type of amino acid substitution dictates the age of onset, anatomical location of the deposits, morphological features of deposits (amyloid, amorphous powder or a mixture of both forms) and the severity of disease presentation. It has been suggested that abnormal turn over and aberrant proteolytic processing of the mutant proteins results in the accumulation of insoluble protein deposits...
April 5, 2017: Biochemical Journal
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