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pancreatitis AND aortic aneurysm

Ilaria Biasato, Renato Zanatta, Lorella Maniscalco, Rocchina Evangelista, Bryan Iotti, Selina Iussich
The unexpected demise of a 12-year-old male neutered English bulldog solicited a gross examination, which revealed a blood-filled space occurring in the proximal left subclavian artery (LSA). It originated about 1 cm from the branching point of the vessel and progressively dilated for 3 cm distal to this origin. Histopathological investigation showed that the tunica media of the LSA was more than 50% split, with the blood-filled space dissecting through the arterial wall. In the tunica media of the LSA, severe multifocal fragmentation and/or loss of the elastic fibers was observed...
March 5, 2018: Journal of Veterinary Cardiology: the Official Journal of the European Society of Veterinary Cardiology
Antonio Di Gennaro, Ana Carolina Araújo, Albert Busch, Hong Jin, Dick Wågsäter, Emina Vorkapic, Kenneth Caidahl, Per Eriksson, Bengt Samuelsson, Lars Maegdefessel, Jesper Z Haeggström
Cysteinyl-leukotrienes (cys-LTs) are 5-lipoxygenase-derived lipid mediators involved in the pathogenesis and progression of inflammatory disorders, in particular asthma. We have previously found evidence linking these mediators to increased levels of proteolytic enzymes in tissue specimens of human abdominal aortic aneurysm (AAA). Here we show that antagonism of the CysLT1 receptor by montelukast, an established antiasthma drug, protects against a strong aorta dilatation (>50% increase = aneurysm) in a mouse model of CaCl 2 -induced AAA at a dose comparable to human medical practice...
February 5, 2018: Proceedings of the National Academy of Sciences of the United States of America
Muhammad Yasir, Muhammad Qamarul Hoda, Tauseef Ahmed
Abdominal compartment syndrome (ACS) is increasingly identified in critically ill patient and its harmful effects are well documented. The disparity among the pressure, volume in abdominal cavity and its contents, results in ACS. The actual incidence of ACS is not known. However, it has been observed predominantly in patients with severe blunt and penetrating abdominal trauma, ruptured abdominal aortic aneurysms, retro- and intra-peritoneal hemorrhage, pneumoperitoneum, neoplasm, pancreatitis, ascites and multiple bone fracture...
February 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
Wei Wang, Baohui Xu, Haojun Xuan, Yingbin Ge, Yan Wang, Lixin Wang, Jianhua Huang, Weiguo Fu, Sara A Michie, Ronald L Dalman
OBJECTIVE: Mural angiogenesis and macrophage accumulation are two pathologic hallmarks of abdominal aortic aneurysm (AAA) disease. The heterodimeric transcription factor hypoxia-inducible factor 1 (HIF-1) is an essential regulator of angiogenesis and macrophage function. In this study, we investigated HIF-1 expression and activity in clinical and experimental AAA disease. METHODS: Human aortic samples were obtained from 24 AAA patients and six organ donors during open abdominal surgery...
December 11, 2017: Journal of Vascular Surgery
David R Hansberry, Michael D'Angelo, Michael D White, Arpan V Prabhu, Mougnyan Cox, Nitin Agarwal, Sandeep Deshmukh
PURPOSE: The vast amount of information found on the internet, combined with its accessibility, makes it a widely utilized resource for Americans to find information pertaining to medical information. The field of radiology is no exception. In this paper, we assess the readability level of websites pertaining specifically to emergency radiology. METHODS: Using Google, 23 terms were searched, and the top 10 results were recorded. Each link was evaluated for its readability level using a set of ten reputable readability scales...
November 15, 2017: Emergency Radiology
Jing Yu, Rui Liu, Jianhua Huang, Lixin Wang, Wei Wang
Accumulating evidence suggests an important role of Phosphatidylinositol 3-kinease (PI3K) pathway in inflammatory cells infiltration. Given  the essential role of inflammatory cells infiltration during the formation and progression of abdominal aortic aneurysm (AAA), to investigate the possibility of preventing AAA formation and progression via targeting PI3K is anticipated. Here, experimental AAAs was created in rats by transient intraluminal porcine pancreatic elastase (PPE) infusion into the infrarenal aorta firstly...
November 9, 2017: Scientific Reports
Maomao Yu, Anjie Dong, Cong Chen, Shuxin Xu, Yini Cao, Shu Liu, Qiang Zhang, Rong Qi
Doxycycline (DOX) is reported to exert therapeutic effects against abdominal aortic aneurysm (AAA), a severe degenerative disease. In this study, a DOX hydrogel formulation of DOX/PECT(gel) is studied, and its phase transition behavior and in vitro release profiles are explored. In addition, the anti-AAA effects and bioavailability of DOX/PECT(gel) are evaluated in an elastase induced AAA mouse model. The results show that the phase transition temperature of 30% poly(e-caprolactone-co-1,4,8-trioxa[4.6]spiro-9-undecanone) (PECT) solution is above 34 °C...
September 8, 2017: Advanced Healthcare Materials
Paul Anthony Karam, Maitham A Moslim, Woosup Michael Park, Gareth Morris-Stiff
We report a case of a 56-year-old woman who presented with worsening abdominal pain located in the left upper quadrant together with abdominal distention, nausea and anorexia. One month prior to this admission, she had presented and had been diagnosed with concurrent acute pancreatitis and rapidly expanding abdominal aortic aneurysm. The aneurysm was prioritised over the pancreatitis and she underwent uncomplicated endovascular repair. Cross-sectional imaging was consistent with infected pancreatic necrosis and also revealed a large collection located in the anterior pararenal space with extensive gas formation...
August 7, 2017: BMJ Case Reports
Akira Toriihara, Emi Yamaga, Masashi Nakadate, Jun Oyama, Ukihide Tateishi
PURPOSE: To evaluate the frequency of emergency diseases that were detected unexpectedly using FDG-PET/CT. MATERIALS AND METHODS: Interpretation reports for 11,663 FDG-PET/CT studies in our hospital were retrospectively reviewed. Patients with major emergency diseases were extracted according to the following exclusion criteria: (1) relevant findings had been recognized prior to the PET/CT; (2) an intervention or operation that may have been relevant to the present findings was performed within 1 month prior to the PET/CT; and (3) the clinical course could not be investigated sufficiently (e...
September 2017: Japanese Journal of Radiology
Hamid Jalalzadeh, Sytse C van Beek, Reza Indrakusuma, Willem A Bemelman, Olivier R Busch, Ron Balm
BACKGROUND: A lasagna plot is a graphical tool that can display multiple longitudinal outcomes. To our knowledge, lasagna plots have not been used in publications of surgical studies before. The objective of this study was to demonstrate the results of surgical randomized controlled trials (RCTs) with lasagna plots in order to assess whether this can lead to new observations of the data presented in the original studies. MATERIAL AND METHODS: Lasagna plots were created with R for an RCT comparing endovascular and open repair for patients with a ruptured abdominal aortic aneurysm (AJAX trial), an RCT comparing laparoscopy or open surgery combined with either fast track or standard care for patients with colon cancer (LAFA trial) and an RCT comparing preoperative biliary drainage and early surgery for patients with pancreatic cancer (DROP trial)...
May 31, 2017: International Journal of Surgery
Stefan Acosta, Jussi Kärkkäinen
BACKGROUND: Causes and consequences of mesenteric embolization after endovascular aorto-iliac procedures have not been studied adequately. METHODS: Consecutive patients with mesenteric embolization after endovascular aorto-iliac intervention between 2011 and 2015 (case-group, n = 9) were investigated and compared with age, gender and procedure-matched random controls (n = 36). RESULTS: Compared to the control group, a higher proportion of patients with mesenteric embolization were current smokers (89% vs...
2017: Anaesthesiology Intensive Therapy
Haojun Xuan, Baohui Xu, Wei Wang, Hiroki Tanaka, Naoki Fujimura, Masaaki Miyata, Sara A Michie, Ronald L Dalman
OBJECTIVE: Angiotensin (Ang) II type 1 receptor (AT1) activation is essential for the development of exogenous Ang II-induced abdominal aortic aneurysms (AAAs) in hyperlipidemic animals. Experimental data derived from this modeling system, however, provide limited insight into the role of endogenous Ang II in aneurysm pathogenesis. Consequently, the potential translational value of AT1 inhibition in clinical AAA disease management remains incompletely understood on the basis of the existing literature...
April 20, 2017: Journal of Vascular Surgery
Yandiswa Y Yako, Martin Brand, Martin Smith, Deirdré Kruger
BACKGROUND/OBJECTIVES: Several studies have investigated the association of differentially expressed cytokines with pancreatic ductal adenocarcinoma (PDAC), but none in African countries. This study aimed at investigating T-helper (Th) cell and angiogenic markers as diagnostic or prognostic biomarkers for PDAC in Black South Africans. METHODS: We conducted a prospective, case-control study comprising of 34 PDAC patients and 27 control participants with either critical limb ischemia, abdominal aortic aneurysm or other abdominal pathology from causes other than pancreatic disease...
May 2017: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
Demetrios Moris, Stamatios Theocharis, Spyridon Davakis, Nikolaos Patelis, Georgios Agrogiannis, Ioannis S Vlachos, Eleftherios Spartalis, Antonios Athanasiou, Chris Bakoyiannis, Despina N Perrea, Sotirios Georgopoulos
BACKGROUND: Abdominal aortic aneurysm (AAA) formation is associated with by inflammation and matrix degradation. This study tested the hypothesis that calprotectin, a novel biomarker for inflammation, as well as established biomarkers such as C-reactive protein (CRP) and matrix metalloproteinase-9 (MMP-9) could also be indicative inflammatory biomarkers during AAA pathogenesis and progression. We also evaluated the correlation of serum soluble Receptor for Advanced Glycation End Products (sRAGE) with AAA diameter and serum calprotectin levels...
February 2, 2017: Current Vascular Pharmacology
Shuai Zhang, Xiaoyu Kan, Yulin Li, Ping Li, Congcong Zhang, Guang Li, Jie Du, Bin You
OBJECTIVE: It is known that T lymphocytes are activated in human abdominal aortic aneurysms (AAAs). γδT cells, as a subset of T cells, play a role in many inflammation-related diseases. However, whether γδT cells participate in the formation of AAA remains unknown. In this study, we explored the role of γδT cells in AAA lesions. METHODS AND RESULTS: Using the porcine pancreatic elastase-induced AAA model, we found that knock out of γδT cells significantly attenuated AAA formation...
December 23, 2016: Journal of Vascular Surgery
Christina A Minami, Catherine R Sheils, Emily Pavey, Jeanette W Chung, Jonah J Stulberg, David D Odell, Anthony D Yang, David J Bentrem, Karl Y Bilimoria
BACKGROUND: The US medical malpractice system assumes that the threat of liability should deter negligence, but it is unclear whether malpractice environment affects health care quality. We sought to explore the association between state malpractice environment and postoperative complication rates. STUDY DESIGN: This observational study included Medicare fee-for-service beneficiaries undergoing one of the following operations in 2010: colorectal, lung, esophageal, or pancreatic resection, total knee arthroplasty, craniotomy, gastric bypass, abdominal aortic aneurysm repair, coronary artery bypass grafting, or cystectomy...
March 2017: Journal of the American College of Surgeons
Antonino Tuttolomondo, Irene Simonetta, Domenico Di Raimondo, Tiziana Di Chiara, Roberta Conigliaro, Francesca Corpora, Valerio Vassallo, Antonio Pinto
BACKGROUND: IgG4-related disease is a rare, clinical and pathologic disease entity of unknown etiology. Its main features are increased serum concentrations of IgG4 > 1,35 g/l, lymphocyte and IgG4+plasma-cell infiltration within tissues, fibrosis or sclerosis. The classical presentation of IgG4-RSD is pancreatitis which is combined with the involvement of biliary ducts in 74 percent of patients. Extrapancreatic manifestations include: abdominal or mediastinal lymphadenopathy; the involvement of salivary glands and lacrimal glands, kidneys, lung, retroperitoneum...
2016: Current Pharmaceutical Design
Mitsuru Sato, Shunsuke Kawamoto, Yoshikatsu Saiki
Aneurysm in the pancreatic arcade artery is an uncommon event, and is usually associated with the condition of median arcuate ligament syndrome. The stenosis at the base of the celiac axis has been presumed to be attributable to a relative increase in flow and pressure within the pancreatic arcade, resulting in subsequent development of the aneurysm. We, herein, present a rare case with rapid development of a pancreatic arcade artery aneurysm immediately after the replacement of a thoracoabdominal aortic aneurysm...
2016: Annals of Vascular Diseases
Albert Busch, Amina Holm, Nicole Wagner, Süleyman Ergün, Mathias Rosenfeld, Christoph Otto, Johannes Baur, Richard Kellersmann, Udo Lorenz
Topical application of elastase to induce arterial aneurysm formation is an emerging murine model of vascular disease. In the context of aortic abdominal aneurysm (AAA), angiotensin II infusion and porcine pancreatic elastase perfusion models are commonly used today. This study, therefore, compares matrix remodeling, inflammation, and angiogenesis as distinct features of aneurysms in two models treated with intra-/extraluminal elastase. C57BL/6 mice underwent intra-/extraluminal elastase application via laparotomy and were followed up for 4 weeks...
2016: Journal of Vascular Research
Shilpi Agarwal, Babita Pangtey, Neelam Vasudeva
Knowledge of variations in the branching pattern of Celiac Trunk (CT) is important for surgeries of stomach, duodenum, pancreas and hepatobiliary region, for abdominal aortic aneurysm, for liver transplant and chaemoembolization of hepatic tumours. An unusual variation in the branching pattern of CT was observed in 50-year-old male cadaver of Indian origin. CT divided into six branches out of which right & left inferior phrenic arteries originated as first two branches and left gastric artery as the third branch...
June 2016: Journal of Clinical and Diagnostic Research: JCDR
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