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Splenic injury

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https://www.readbyqxmd.com/read/28644516/hemostatic-efficiency-of-modern-topical-sealants-comparative-evaluation-after-liver-resection-and-splenic-laceration-in-a-swine-model
#1
Hamidreza Fonouni, Arash Kashfi, Ali Majlesara, Oliver Stahlheber, Lukas Konstantinidis, Negin Gharabaghi, Thomas W Kraus, Arianeb Mehrabi, Hani Oweira
Parenchymal transection during hepatobiliary surgery can disrupt small vasculature or bile ducts, which could be managed difficultly. Sealants are helpful tools to achieve better hemostasis. The aim of this study is to analyze the hemostatic efficiency of four modern sealants in a porcine model. In this study, 40 landrace pigs were assigned equally to the control (without sealant) and four sealant groups. Standardized liver resection and splenic lesions were performed and left without using sealant (control) or treated with one of the following sealants: TachoSil(®) , Tissucol Duo(®) , Coseal(®) , and FloSeal(®) ...
June 23, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28637555/overview-of-nonoperative-blunt-splenic-injury-management-with-associated-splenic-artery-pseudoaneurysm
#2
Chet A Morrison, Brian W Gross, Matthew Kauffman, Katelyn J Rittenhouse, Frederick B Rogers
The delayed development of splenic artery pseudoaneurysm (SAP) can complicate the nonoperative management of splenic injuries. We sought to determine the utility of repeat imaging in diagnosing SAP in patients managed nonoperatively without angioembolization. We hypothesized that a significant rate of SAPs would be found in this population on repeat imaging. Patients undergoing nonoperative splenic injury management from January 2011 to June 2015 were queried from the trauma registry. Rates of repeat imaging, angioembolization, readmission, and SAP development were analyzed...
June 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28631052/anatomic-variations-of-the-spleen-current-state-of-terminology-classification-and-embryological-background
#3
REVIEW
Ivan Varga, Jozef Babala, David Kachlik
A thorough understanding of the anatomy, physiology, and development of the spleen is essential for determining the pathophysiological mechanisms underpinning splenic diseases and congenital variations. The aim of this review is to briefly summarize current knowledge regarding the normal development of the spleen, and to provide an overview of clinically relevant congenital splenic variations. These include such variations as asplenia, polysplenia, hyposplenia, lobulation of spleen, accessory spleens, accessory splenic nodules, wandering spleen, splenogonadal and splenopancreatic fusion, splenic cysts, and cavernous haemangioma of the spleen...
June 19, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/28626064/monitoring-c3ar-expression-using-a-floxed-tdtomato-c3ar-reporter-knock-in-mouse
#4
Katharina M Quell, Christian M Karsten, Anna Kordowski, Larissa Nogueira Almeida, Daria Briukhovetska, Anna V Wiese, Jing Sun, Fanny Ender, Konstantina Antoniou, Torsten Schröder, Inken Schmudde, Johann L Berger, Peter König, Tillman Vollbrandt, Yves Laumonnier, Jörg Köhl
C3a exerts multiple biologic functions through activation of its cognate C3a receptor. C3(-/-) and C3aR(-/-) mice have been instrumental in defining important roles of the C3a/C3aR axis in the regulation of acute and chronic inflammatory diseases, including ischemia/reperfusion injury, allergic asthma, autoimmune nephritis, and rheumatoid arthritis. Surprisingly little is known about C3aR expression and function in immune and stromal cells. To close this gap, we generated a floxed tandem-dye Tomato (tdTomato)-C3aR reporter knock-in mouse, which we used to monitor C3aR expression in cells residing in the lung, airways, lamina propria (LP) of the small intestine, brain, visceral adipose tissue, bone marrow (BM), spleen, and the circulation...
June 16, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28621910/allospecific-memory-b-cell-responses-are-dependent-on-autophagy
#5
Miguel Fribourg, Jie Ni, F Nina Papavasiliou, Zhenyu Yue, Peter S Heeger, Jeremy S Leventhal
Long-lived, donor-reactive memory B cells (Bmem) can produce alloantibodies that mediate transplant injury. Autophagy, an intrinsic mechanism of cell organelle/component recycling, is required for Bmem survival in infectious and model antigen systems but whether autophagy impacts alloreactive Bmem is unknown. We studied mice with an inducible yellow fluorescent protein (YFP) reporter expressed under the Activation-Induced Cytidine Deaminase (AID) promoter active in B cells undergoing germinal center reactions...
June 16, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28611565/shock-due-to-splenic-injury-after-colonoscopy
#6
Erol G Nallayici, Reinier de Groot, René A A van Zanten, Martijn F Lutke Holzik
Colonoscopy is a common and increasingly performed procedure. It is used both as a diagnostic and therapeutic modality. Splenic injury after colonoscopy is a rare, yet life-threatening complication, most often caused by traction on the splenocolic ligament or excessive manipulation during the procedure. Although non-operative treatment is preferred upon splenic injury, early surgical or radiological intervention may be necessary in specific cases, for example in case of haemodynamic instability. A 71-year-old Caucasian man was referred to our emergency room due to shock after colonoscopy 2 days earlier...
January 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28604373/blunt-hepatic-and-splenic-trauma-a-single-center-experience-using-a-multidisciplinary-protocol
#7
Paolo Ruscelli, Farncesco Buccoliero, Susanna Mazzocato, Giulio Belfiori, Claudio Rabuini, Pierluigi Sperti, Massimiliano Rimini
AIM: The aim of this retrospective study was to describe more than 10 years experience of a single Trauma Center about non operative management of abdominal organ injuries in hemodynamically stable patients MATERIAL OF STUDY: Between January 2001 and December 2014 ,732 consecutive patients were admitted with blunt abdominal trauma, involving liver and/or spleen and/or kidney, at the Bufalini Cesena Hospital .Management of patients included a specific institutional developed protocol :hemodynamic stability was evaluated in shock room according to the patients response to fluid challenge and the patients were classified into three categories A,B,and C...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/28600670/management-of-blunt-splenic-injury-in-a-uk-major-trauma-centre-and-predicting-the-failure-of-non-operative-management-a-retrospective-cross-sectional-study
#8
Stella R Smith, Louise Morris, Stephen Spreadborough, Waleed Al-Obaydi, Marta D'Auria, Hilary White, Adam J Brooks
PURPOSE: To review the management of patients >16 years with blunt splenic injury in a single, UK, major trauma centre and identify whether the following are associated with success or failure of non-operative management with selective use of arterial embolization (NOM ± AE): age, Injury Severity Score (ISS), head injury, haemodynamic instability, massive transfusion, radiological hard signs [contrast extravasation or pseudoaneurysm on the initial computed tomography (CT) scan], grade, and presence of intraparenchymal haematoma or splenic laceration...
June 9, 2017: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
https://www.readbyqxmd.com/read/28587827/combined-effects-of-deoxynivalenol-and-zearalenone-on-oxidative-injury-and-apoptosis-in-porcine-splenic-lymphocytes-in-vitro
#9
Zhihua Ren, Huidan Deng, Youtian Deng, Zhen Liang, Junliang Deng, Zhicai Zuo, Yanchun Hu, Liuhong Shen, Shumin Yu, Suizhong Cao
Deoxynivalenol (DON) and zearalenone (ZEA) are the two most common mycotoxins in animal feed. In this study, we examined oxidative injury and apoptosis of porcine splenic lymphocytes induced by DON or ZEA and their combination in vitro. Based on IC50 values, porcine splenic lymphocytes were treated with 0.06, 0.3, 1.5, and 7.5μg/mL DON, 0.08, 0.4, 2, and 10μg/mL ZEA, or both DON and ZEA at 0.06 and 0.08μg/mL, 0.3 and 0.4μg/mL, and 1.5 and 2μg/mL, respectively. After 48h of DON and/or ZEA exposure, the cells were analyzed for antioxidant functions, apoptosis, and mRNA and protein expression of apoptosis-related genes p53, Bcl-2, Bax, caspase-3, and caspase-8 to determine their apoptosis and oxidative damage effects and mechanisms...
June 3, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28584502/laparoscopic-splenectomy-in-hemodynamically-stable-blunt-trauma
#10
Gregory S Huang, Elisha A Chance, Barbara M Hileman, Eric S Emerick, Emily A Gianetti
BACKGROUND AND OBJECTIVES: No criteria define indications for laparoscopic splenectomy in trauma. This investigation compared characteristics of trauma patients and outcomes between laparoscopic and open splenectomies. METHODS: Patients were identified retrospectively by using ICD-9 codes. Included patients were 18 or older, with a blunt splenic injury from January 1, 2011, through December 31, 2014, and required splenectomy. Excluded patients had penetrating trauma, successful nonoperative management, or successful embolization...
April 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28573044/the-impacts-of-different-embolization-techniques-on-splenic-artery-embolization-for-blunt-splenic-injury-a-systematic-review-and-meta-analysis
#11
Jing-Jing Rong, Dan Liu, Ming Liang, Qing-Hua Wang, Jing-Yang Sun, Quan-Yu Zhang, Cheng-Fei Peng, Feng-Qi Xuan, Li-Jun Zhao, Xiao-Xiang Tian, Ya-Ling Han
BACKGROUND: Splenic artery embolization (SAE) has been an effective adjunct to the Non-operative management (NOM) for blunt splenic injury (BSI). However, the optimal embolization techniques are still inconclusive. To further understand the roles of different embolization locations and embolic materials in SAE, we conducted this system review and meta-analyses. METHODS: Clinical studies related to SAE for adult patients were researched in electronic databases, included PubMed, Embase, ScienceDirect and Google Scholar Search (between October 1991 and March 2013), and relevant information was extracted...
2017: Military Medical Research
https://www.readbyqxmd.com/read/28572540/analysis-of-region-specific-gene-expression-patterns-in-the-heart-and-systemic-responses-after-experimental-myocardial-ischemia
#12
Matthias Zimmermann, Lucian Beer, Robert Ullrich, Dominika Lukovic, Elisabeth Simader, Denise Traxler, Tanja Wagner, Lucas Nemec, Lukas Altenburger, Andreas Zuckermann, Mariann Gyöngyösi, Hendrik Jan Ankersmit, Michael Mildner
AIMS: Ischemic myocardial injury leads to the activation of inflammatory mechanisms and results in ventricular remodeling. Although great efforts have been made to unravel the molecular and cellular processes taking place in the ischemic myocardium, little is known about the effects on the surrounding tissue and other organs. The aim of this study was to determine region specific differences in the myocardium and in distant organs after experimental myocardial infarction by using a bioinformatics approach...
May 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28571943/hematological-alterations-and-splenic-t-lymphocyte-polarization-at-the-crest-of-snake-venom-induced-acute-kidney-injury-in-adult-male-mice
#13
Farhat Nasim, Sreyasi Das, Roshnara Mishra, Raghwendra Mishra
Snake venom induced acute kidney injury (SAKI) is of great clinical relevance in tropical countries. Involvement of T cell, a key mediator of AKI and its remission, is least explored in SAKI. In the present study the in vivo hematological alterations and associated splenic T cell polarization is probed in order to investigate the immune response at the crest of Russell's viper venom (RVV) induced AKI in experimental murine model. Based on a dose and time kinetic study intra muscular injection dose of 20 μg RVV/100 gm body weight of mice and incubation period of 60 h was selected for induction of SAKI...
August 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28570347/natural-history-of-splenic-vascular-abnormalities-after-blunt-injury-a-western-trauma-association-multicenter-trial
#14
Ben L Zarzaur, Julie A Dunn, Brian Leininger, Margaret Lauerman, K Shanmuganathan, Krista Kaups, Kirellos Zamary, Jennifer L Hartwell, Ankur Bhakta, John Myers, Stephanie Gordy, Samuel R Todd, Jeffrey A Claridge, Erik Teicher, Jason Sperry, Alicia Privette, Ahmed Allawi, Clay Cothren Burlew, Adrian A Maung, Kimberly A Davis, Thomas Cogbill, Stephanie Bonne, David H Livingston, Raul Coimbra, Rosemary A Kozar
BACKGROUND: Following blunt splenic injury (BSI) there is conflicting evidence regarding the natural history and appropriate management of patients with vascular injuries of the spleen such as pseudoaneurysms or blushes. The purpose of this study was to describe the current management and outcomes of patients with PSA or BLUSH. METHODS: Data was collected on adult (≥18) patients with BSI and a splenic vascular injury from 17 trauma centers. Demographic, physiologic, radiographic, and injury characteristics were gathered...
May 30, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28565815/epidemiology-and-management-of-splenic-injury-an-analysis-of-a-chinese-military-registry
#15
Yong Chen, Jun Qiu, Ao Yang, Danfeng Yuan, Jihong Zhou
In China, there have been few meta-analyses of the epidemiology and management of splenic injury. Due to the success of Chinese military hospitals in the domestic treatment of splenic injury, the present study conducted a systematic review of such cases, identifying a high occurrence rate of splenic trauma, as well as a number of strategies of managing splenic injury in China. Data were collected from sixteen Chinese military hospitals between July 2000 and March 2009, and retrospectively reviewed. It was observed that between July 2000 and March 2009 a total of 7,807 patients (84...
May 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28562115/a-register-based-study-adverse-events-in-colonoscopies-performed-in-sweden-2001-2013
#16
Anna Forsberg, Ulf Hammar, Anders Ekbom, Rolf Hultcrantz
OBJECTIVES: The rates for colonoscopy-associated adverse events vary considerably worldwide. In Sweden, the figures are known to a limited extent. We assessed the frequency of severe colonoscopy-related adverse events and the impacts of different risk factors, including the use of general anaesthesia. MATERIAL AND METHODS: This is a retrospective population-based cohort study of the colonoscopies performed during the years 2001-2013 on adults identified in the Swedish health registers...
May 31, 2017: Scandinavian Journal of Gastroenterology
https://www.readbyqxmd.com/read/28559784/splenic-injury-following-endoscopic-retrograde-cholangiopancreatography-a-case-report-and-literature-review
#17
REVIEW
Richard Lee, Alexander Huelsen, Nivene Saad, Peter Hodgkinson, Luke F Hourigan
Splenic injury following endoscopy is a rare but potentially fatal complication. While this has been found to occur more frequently after colonoscopy, splenic injury following endoscopic retrograde cholangiopancreatography (ERCP) remains highly uncommon since its first reported case in 1989. Indeed, there have been only 19 such cases reported in the English, German, and Spanish literature collectively over the past 27 years. We report on a 59-year-old woman who developed a peri-splenic haematoma diagnosed on abdominal computed tomography the day following ERCP and stenting for Mirizzi syndrome...
January 2017: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/28551865/pearls-and-pitfalls-of-hepatobiliary-and-splenic-trauma-what-every-trauma-radiologist-needs-to-know
#18
REVIEW
Joseph A Graves, Tarek N Hanna, Keith D Herr
With the universal acceptance of contrast-enhanced computed tomography (CT) as the imaging modality of first resort in the assessment of blunt abdominal injury, the trauma radiologist must be able to accurately and rapidly identify the range of CT manifestations of the traumatized abdomen. In this article, we lay out the fundamental principles in CT interpretation of blunt trauma to the hepatobiliary system and spleen, including vascular injury, with a focus on technical and interpretive pearls and pitfalls...
May 27, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28550395/a-critical-role-for-il-21-receptor-signaling-in-the-coxsackievirus-b3-induced-myocarditis
#19
Fan Yang, Xiao-Mou Wei, Wen-Wu Liang, Wen-Hong Mo, Bao-Ping Tan, Hong Wang
To determine whether IL-21 receptor signaling plays a significant role in promoting Tfh cell-mediated cardiac injury in viral myocarditis (VMC), we compared IL-21R-deficient mice for some parameters of VMC. Balb/c and IL-21R(-/-) mice were infected with CVB3. Frequencies of splenic Tfh cells were determined by flow cytometric analysis, and productions of anti-adenine nucleotide translocator (ANT) autoantibodies were detected by enzyme-linked immunosorbent assay. To determine the effects of IL-21R signal on the proliferation of B cells, lymphocytes from spleens of the IL-21R(-/-) and Balb/c mice infected by CVB3 were tagged with carboxyfluorescein succinimidyl ester (CFSE) and then were stimulated with lipopolysaccharides plus IL-21 or anti-IL-21 neutralizing antibody for 3 days...
May 26, 2017: Inflammation
https://www.readbyqxmd.com/read/28541862/nonoperative-management-of-the-damaged-spleen-a-community-surgeon-looks-back
#20
Mark L Walker
Blunt spleen injury is usually managed nonoperatively. An 8-year retrospective analysis by one community surgeon was done to provide an overview of the role of CT, angiography, and transfusion in the management algorithm. A total of 2750 patients were screened and 125 patients were identified with spleen injury. Of these 125 patients, 72 were managed without surgery. These were young (mean age 32 ± 16 years) patients with mean Injury Severity Score of 16 ± 8. Angiography was used in 14 patients. These patients received more blood (5 ± 6 vs 2 ± units of packed red blood cells) than their nonangiogram counterparts...
May 1, 2017: American Surgeon
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