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Mesenteric artery surgery

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https://www.readbyqxmd.com/read/27905373/-enteral-distress-syndrome-in-surgery-definition-pathogenesis-diagnosis
#1
A P Vlasov, V A Trofimov, T I Grigor'eva, V A Shibitov, P A Vlasov
It was performed a comprehensive experimental and clinical study of functional and metabolic status of the intestine in acute peritonitis, pancreatic necrosis, acute intestinal obstruction. We obtained objective data of impaired barrier function based on levels of toxins in arterial and mesenteric venous blood. Association of organ and organismic homeostatic changes was revealed. It was proved an important role of membrane-destabilizing processes in intestinal epithelium as a cause of enteral insufficiency...
2016: Khirurgiia
https://www.readbyqxmd.com/read/27871166/traumatic-neuroma-at-the-inferior-mesenteric-artery-stump-after-rectal-cancer-surgery-a-case-report-and-literature-review
#2
Sung Mi Jeon, Jae Young Lee, Sun Ju Byeon
Traumatic neuroma results from regeneration attempts of the proximal end of an injured or severed nerve, resulting in a non-neoplastic nodular lesion. The lower extremity after amputation is the most common site, followed by the head and neck. Traumatic neuromas occurring in the abdomen, however, are rare. In the abdominal region, traumatic neuromas occur in the cystic duct stump and the common bile ducts as well as around the celiac trunk. This study reports a case of a 59-year-old man who presented with a traumatic neuroma arising at the stump of the inferior mesenteric artery after rectal cancer surgery...
November 25, 2016: Korean Journal of Gastroenterology, Taehan Sohwagi Hakhoe Chi
https://www.readbyqxmd.com/read/27858118/utility-of-amplatzer-vascular-plug-with-preoperative-common-hepatic-artery-embolization-for-distal-pancreatectomy-with-en-bloc-celiac-axis-resection
#3
Masafumi Toguchi, Masakatsu Tsurusaki, Isao Numoto, Syojiro Hidaka, Miho Yamakawa, Nobuyuki Asato, SungWoon Im, Yukinobu Yagyu, Mitsuru Matsuki, Yoshifumi Takeyama, Takamichi Murakami
PURPOSE: To evaluate the feasibility and safety of the Amplatzer vascular plug (AVP) for preoperative common hepatic embolization (CHA) before distal pancreatectomy with en bloc celiac axis resection (DP-CAR) to redistribute blood flow to the stomach and liver via the superior mesenteric artery (SMA). MATERIALS AND METHODS: Four patients (3 males, 1 female; median age 69 years) with locally advanced pancreatic body cancer underwent preoperative CHA embolization with AVP...
November 17, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/27830518/influence-of-splanchnic-artery-stenosis-on-the-in-hospital-clinical-course-of-elderly-patients
#4
Fabrizio Cardin, Stefania Fratta, Egle Perissinotto, Carmelo Militello, Bruno Martella
BACKGROUND: Chronic mesenteric ischaemia (CMI) has a long asymptomatic period, but little is known about the clinical implications of this phase of the disease, particularly in the elderly, who are most exposed to the condition. AIMS: The aim of the present observational study was to survey the in-hospital clinical course of elderly patients during the non-specific phase of the disease due to occlusion of at least one splanchnic artery. METHODS: For a median of 29 months, we followed up 85 patients aged 65 and over who, for various clinical reasons, had undergone computed tomographic and magnetic resonance angiography during 2010 at Padua Teaching Hospital, assessing economic impact and reasons for admission...
November 9, 2016: Aging Clinical and Experimental Research
https://www.readbyqxmd.com/read/27826941/circumportal-pancreas-a-must-know-pancreatic-anomaly-for-the-pancreatic-surgeon
#5
Andreas Minh Luu, C Braumann, T Herzog, M Janot, W Uhl, A M Chromik
PURPOSE: Circumportal pancreas is a rare congenital pancreatic anomaly with encasement of the portal vein and/or the superior mesenteric vein by pancreatic tissue. It is often overlooked on cross-sectional imaging studies and can be encountered during pancreatic surgery. Pancreatic head resection with circumportal pancreas is technically difficult and bears an increased risk of postoperative pancreatic fistula. MATERIALS AND METHODS: A retrospective chart review of our data base for all patients who had undergone pancreatic head resection between 2004 and 2015 was performed...
November 8, 2016: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/27818253/vasodilator-activity-of-hydrogen-sulfide-h2s-in-human-mesenteric-arteries
#6
Serena Materazzi, Giovanni Zagli, Romina Nassini, Ilenia Bartolini, Stefano Romagnoli, Cosimo Chelazzi, Silvia Benemei, Andrea Coratti, Angelo Raffaele De Gaudio, Riccardo Patacchini
The role of endogenous H2S has been highlighted as a gaseous transmitter. The vascular smooth muscle inhibitory effects of H2S have been characterized in isolated aorta and mesenteric arteries in rats and mice. Our study was aimed at investigating the vascular effects of H2S on human isolated mesenteric arteries and examining the underlying mechanisms involved. All experiments were performed on rings (4-8mm long) of human mesenteric arteries obtained from patients undergoing abdominal surgery. Ethical approval was obtained from the Ethics Committee of the University Hospital of the University of Florence (app...
November 3, 2016: Microvascular Research
https://www.readbyqxmd.com/read/27800205/anterior-rectal-resection-in-a-patient-with-aortoiliac-occlusive-disease-and-coexisting-collateral-pathways-management-and-pitfalls
#7
Floryn Cherbanyk, Jean-Loup Gassend, Olivier Martinet, Snezana Andrejevic-Blant, Henri-Marcel Hoogewoud
Chronic aortoiliac occlusive disease most often affects the common iliac arteries and distal aorta but can progress all the way to the renal arteries, occluding the inferior mesenteric artery. A compensatory collateral network typically develops to preserve lower body perfusion. Inadvertent compression or ligation of such collaterals during surgery can have catastrophic consequences. In this article, we present the case of a 63-year-old patient with aortoiliac occlusive disease, requiring surgery for an adenocarcinoma of the rectosigmoid junction...
2016: Case Reports in Surgery
https://www.readbyqxmd.com/read/27794476/comprehensive-staging-of-uterine-carcinosarcoma-utilizing-a-multiquadrant-robotic-platform
#8
Thanh H Dellinger, Mark T Wakabayashi, Ernest S Han
OBJECTIVE: To demonstrate the feasibility of multi-quadrant staging of a uterine carcinosarcoma using the latest-generation robotic platform. DESIGN: Step-by-step explanation of the technique using videos and pictures (educative video). SETTING: While laparoscopic and robotic-assisted laparoscopic staging of high-risk uterine cancer is well incorporated into many gynecologic oncology practices, extensive para-aortic lymphadenectomies above the inferior mesenteric artery are less commonly performed...
October 26, 2016: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/27790413/variations-in-the-origin-and-course-of-right-hepatic-artery-and-its-surgical-significance
#9
Narayanaperumal Mugunthan, Rajendran Kannan, Christilda Felicia Jebakani, Jayaram Anbalagan
INTRODUCTION: Variations in the Right Hepatic Artery (RHA) are exceedingly common and these variations are of great importance to surgeons and interventional radiologists. A thorough knowledge of the right hepatic arterial anatomy is mandatory while performing hepatic surgery and hepatic arteriography. AIM: To find out the variations in the origin and course of the RHA and its surgical significance. MATERIALS AND METHODS: This study was conducted in 60 embalmed adult cadavers of both sexes of age group between 50 to 80 years...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27756417/pancreatic-cancer-adjuvant-radiotherapy-target-volume-design-based-on-the-postoperative-local-recurrence-spatial-location
#10
Wei Yu, Wei Hu, Yongjie Shui, Xiaoyang Zhu, Chao Li, Xiaoqiu Ren, Xueli Bai, Risheng Yu, Li Shen, Tingbo Liang, Lei Zheng, Qichun Wei
OBJECTIVES: To explore the areas at highest risk for postoperative pancreatic cancer local recurrence according to the spatial location of local failures, with the aim to provide a precise target volume for pancreatic cancer adjuvant radiotherapy. METHODS: Patients with pancreatic cancer who had undergone surgery for the primary tumor in pancreas at our institution from January 2010 to August 2015 were retrospectively analyzed. All local recurrences were plotted on the computed tomography (CT) image of a representative patient according to their relative coordinates to superior mesenteric artery (SMA) or celiac axis (CA)...
October 19, 2016: Radiation Oncology
https://www.readbyqxmd.com/read/27747293/a-case-series-of-laparoscopic-duodenojejunostomy-for-the-treatment-of-pediatric-superior-mesenteric-artery-syndrome
#11
F J Bohanon, O Nunez Lopez, B M Graham, L W Griffin, R S Radhakrishnan
Superior mesenteric artery syndrome (SMAS) is a rare, debilitating clinical condition caused by compression of the third portion of the duodenum by the superior mesenteric artery. Common symptoms include intermittent postprandial abdominal pain, nausea, weight loss, and bilious vomiting. Here we present a case series of three patients with SMAS who were treated with laparoscopic duodenojejunostomy. Patients were females between 12-17 years old. All patients underwent a successful laparoscopic duodenojejunostomy after diagnosis...
2016: International Journal of Surgery and Research
https://www.readbyqxmd.com/read/27742898/initial-experience-with-covered-endovascular-reconstruction-of-the-aortic-bifurcation-in-conjunction-with-chimney-grafts
#12
Martijn L Dijkstra, Peter C J M Goverde, Andrew Holden, Clark J Zeebregts, Michel M P J Reijnen
PURPOSE: To show feasibility of the covered endovascular repair of the aortic bifurcation (CERAB) technique in conjunction with chimney grafts in aortic side branches for complex aortoiliac occlusive disease. METHODS: Two European centers and one facility located in New Zealand participated in a retrospective observational study that enrolled 14 consecutive patients (mean age 61.2±8.9 years; 11 men) treated with CERAB in conjunction with chimney graft(s) between December 2012 and May 2015...
October 14, 2016: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/27721981/polyarteritis-nodosa-with-a-chronic-relapsing-course
#13
Ashok Kumar, Anshul Goel, Mehul Lapsiwala
Polyarteritis nodosa is a medium artery vasculitis that can cause fatal complications. It commonly follows an acute monophasic course that may remit after treatment or cause serious morbidity or death. A 24-year-old patient described here had many vasculitic episodes in the past 16 years causing infarction of different organs. The last episode was most serious which caused mononeuritis multiplex, digital gangrene, bowel gangrene and subsequent perforations. There was strong clinical suspicion of this disease right from the beginning...
October 2016: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/27717528/inferior-mesenteric-artery-lymph-node-metastasis-in-rectal-cancer-treated-with-neoadjuvant-chemoradiotherapy-incidence-prediction-and-prognostic-impact
#14
Y Sun, P Chi, H Lin, X Lu, Y Huang, Z Xu, S Huang, X Wang
AIM: To assess the effect of neoadjuvant chemoradiotherapy (nCRT) on inferior mesenteric artery (IMA) nodal metastasis and identify predictors for IMA nodal metastasis in locally advanced rectal cancer (LARC) after nCRT. METHOD: Propensity score matching of 1167 patients with LARC was performed. Clinicopathological predictors and survival rates were analyzed using univariate and multivariate analyses. RESULTS: Compared to surgery alone, nCRT reduced the incidence of IMA nodal metastasis (before matching, 4...
September 24, 2016: European Journal of Surgical Oncology
https://www.readbyqxmd.com/read/27714515/human-splanchnic-amino-acid-metabolism
#15
Evelien P J G Neis, S Sabrkhany, I Hundscheid, D Schellekens, K Lenaerts, S W Olde Damink, E E Blaak, C H C Dejong, Sander S Rensen
Plasma levels of several amino acids are correlated with metabolic dysregulation in obesity and type 2 diabetes. To increase our understanding of human amino-acid metabolism, we aimed to determine splanchnic interorgan amino-acid handling. Twenty patients planned to undergo a pylorus preserving pancreatico-duodenectomy were included in this study. Blood was sampled from the portal vein, hepatic vein, superior mesenteric vein, inferior mesenteric vein, splenic vein, renal vein, and the radial artery during surgery...
October 6, 2016: Amino Acids
https://www.readbyqxmd.com/read/27695977/evaluation-of-lymph-flow-patterns-in-splenic-flexural-colon-cancers-using-laparoscopic-real-time-indocyanine-green-fluorescence-imaging
#16
Jun Watanabe, Mitsuyoshi Ota, Yusuke Suwa, Atsushi Ishibe, Hidenobu Masui, Kaoru Nagahori
PURPOSE: The treatment of splenic flexural colon cancer is not standardized because the lymphatic drainage is variable. The aim of this study is to evaluate the lymph flow at the splenic flexure. METHODS: From July 2013 to January 2016, consecutive patients of the splenic flexural colon cancer with a preoperative diagnosis of N0 who underwent laparoscopic surgery were enrolled. Primary outcome is frequency of the direction of lymph flow from splenic flexure. We injected indocyanine green (2...
October 1, 2016: International Journal of Colorectal Disease
https://www.readbyqxmd.com/read/27682998/fluorescent-angiography-used-to-evaluate-the-perfusion-status-of-anastomosis-in-laparoscopic-anterior-resection
#17
Frederick H Koh, Ker-Kan Tan
BACKGROUND: Anastomotic leakage after gastrointestinal surgery is associated with significant morbidity and mortality.1 Insufficient vascular supply is one cause.2 Recent reports of using intraoperative indocyanine green (ICG) fluorescent angiography to evaluate whether perfusion of the anastomosis is adequate has yielded positive outcomes.3 (-) 6 The authors describe their use of ICG-enhanced fluorescence angiography in a laparoscopic anterior resection. METHODS: The patient was an 80-year-old with an upper rectal adenocarcinoma and significant cardiovascular risk factors...
September 28, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27671450/repair-of-chronic-aneurysmal-aortic-dissection-using-a-stent-graft-and-an-amplatzer%C3%A2-vascular-plug-a-case-study
#18
Yuji Kanaoka, Takao Ohki, Hirotsugu Ozawa
We report a case in which a stent graft and an Amplatzer® vascular plug (AVP) were effective for the treatment of chronic aneurysmal aortic dissection. The patient was a 52-year-old man. At 45 years of age, he developed acute aortic dissection, for which he underwent surgery four times with prosthetic graft replacement in the abdominal aorta, descending thoracic, ascending aorta (without neck branch reconstruction), and thoracoabdominal aorta with the reconstruction of the celiac, superior mesenteric and bilateral renal arteries...
September 23, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27671039/resveratrol-promotes-myenteric-neuroprotection-in-the-ileum-of-rats-after-ischemia-reperfusion-injury
#19
Stephanie Carvalho Borges, Aline Cristine da Silva de Souza, Evandro José Beraldi, Larissa Carla Lauer Schneider, Nilza Cristina Buttow
AIMS: The present study evaluated the effects of resveratrol in the myenteric plexus after intestinal ischemia-reperfusion (I/R) injury caused by occluding the superior mesenteric artery for 45min, followed by 7days of reperfusion. MAIN METHODS: Forty-two male Wistar rats were divided into seven groups: control (C group), untreated sham surgery control (SC group), sham surgery control treated with resveratrol before surgery (STA group), sham surgery control treated with resveratrol before and after surgery (STAD group), ischemic control (IRC group), ischemic treated before I/R (IRTA group), and ischemic treated before and after I/R (IRTAD group)...
September 23, 2016: Life Sciences
https://www.readbyqxmd.com/read/27666604/intestinal-malrotation-in-patients-with-situs-anomaly-implication-of-the-relative-positions-of-the-superior-mesenteric-artery-and-vein
#20
Kyu Sung Choi, Young Hun Choi, Jung-Eun Cheon, Woo Sun Kim, In One Kim
PURPOSE: To assess the usefulness of the relative position of the superior mesenteric artery (SMA) and superior mesenteric vein (SMV) in diagnosing intestinal malrotation in situs anomaly. MATERIALS AND METHODS: From January 2004 to April 2015, 33 patients with situs anomalies were enrolled in this study who underwent abdominal USG, CT or MRI as well as upper gastrointestinal series (UGIS) or surgery: situs inversus (n=16), left isomerism (n=10), and right isomerism (n=7); age 21...
October 2016: European Journal of Radiology
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