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Mesenteric vein

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https://www.readbyqxmd.com/read/29143477/gastric-venous-congestion-and-bleeding-in-association-with-total-pancreatectomy
#1
Akimasa Nakao, Suguru Yamada, Tsutomu Fujii, Haruyoshi Tanaka, Kenji Oshima, Yukiko Oshima, Kiyotsugu Iede, Hironobu Kobayashi, Yasunori Kimura, Yasuhiro Kodera
BACKGROUND: Gastric venous congestion and bleeding in association with total pancreatectomy (TP) were evaluated. METHODS: Thirty-eight patients of TP were retrospectively analyzed. TP was classified as TP with distal gastrectomy (TPDG), pylorus-preserving TP (PPTP), subtotal stomach-preserving TP (SSPTP), and TP with segmental duodenectomy (TPSD). RESULTS: Portal vein or superior mesenteric vein resection and reconstruction was performed in 24 patients (62...
November 16, 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/29134384/totally-robotic-single-docking-low-anterior-resection-for-rectal-cancer-pearls-and-pitfalls
#2
J W T Toh, A Zakaria, I Yang, S H Kim
Total robotic resection of mid- and low rectal cancers confers technical advantages within the confines of the pelvis and allows difficult rectal cancer cases to be performed efficiently with less risk of conversion to open. To maximize the advantage of robotic surgery, we utilize the technique of single docking totally robotic dissection for rectal cancer for both the Da Vinci Si and Xi Surgical Systems. All steps are performed robotically, with the surgery divided into two phases. The first phase consists of inferior mesenteric artery and vein ligation, sigmoid and descending colon mobilization and splenic flexure takedown...
November 13, 2017: Techniques in Coloproctology
https://www.readbyqxmd.com/read/29128301/portal-vein-reconstruction-using-primary-anastomosis-or-venous-interposition-allograft-in-pancreatic-surgery
#3
Dyre Kleive, Audun Elnaes Berstad, Mushegh A Sahakyan, Caroline S Verbeke, Christian Naper, Sven Petter Haugvik, Ivar P Gladhaug, Pål-Dag Line, Knut Jørgen Labori
OBJECTIVE: Superior mesenteric vein/portal vein (SMV/PV) resection and reconstruction during pancreatic surgery are increasingly common. Several reconstruction techniques exist. The aim of this study was to evaluate characteristics of patients and clinical outcomes for SMV/PV reconstruction using interposed cold-stored cadaveric venous allograft (AG+) or primary end-to-end anastomosis (AG-) after segmental vein resections during pancreatic surgery. METHODS: All patients undergoing pancreatic surgery with SMV/PV resection and reconstruction from 2006 to 2015 were identified...
November 8, 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29121842/superior-mesenteric-vein-injury-during-oncologic-right-colectomy-current-vascular-repair-modalities
#4
Michael R Freund, Ilya Goldin, Petachia Reissman
PURPOSE: To review the different vascular repair options of superior mesenteric vein (SMV) damage during oncologic right colectomy. METHODS: This is a retrospective chart review of 5 cases in which severe damage to the SMV occurred during oncological right colectomy in an academic medical center. RESULTS: During a 10-year study period, we encountered 5 cases in which severe damage to the SMV and its tributaries occurred. Two of the patients underwent primary venous repair for partial lacerations...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29117862/successful-medical-management-of-acute-mesenteric-ischemia-due-to-superior-mesenteric-and-portal-vein-thrombosis-in-a-27-year-old-man-with-protein-s-deficiency-a-case-report
#5
N P Osti, D N Sah, R S Bhandari
BACKGROUND: Acute mesenteric ischemia poses a diagnostic challenge due to nonspecific clinical clues and lack of awareness owing to its rarity. Ischemia due to mesenteric venous thrombosis has a good prognosis compared to arterial cause and can be managed conservatively with early diagnosis. The portomesenteric venous system is an unusual site of thrombosis in patients with protein S deficiency, and its thrombosis is an uncommon cause of acute mesenteric ischemia. CASE PRESENTATION: We present a case of a 27-year-old Mongolian man who presented with acute abdominal pain increasing in severity, and refractory to repeated attempts at treatment with a misdiagnosis of acute peptic ulcer disease...
November 9, 2017: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29115143/inclusion-levels-and-modes-of-whole-grain-incorporation-into-wheat-based-rations-differentially-influence-the-performance-of-broiler-chickens
#6
A F Moss, H H Truong, S Y Liu, P H Selle
1. The objective was to compare three whole grain inclusion levels (7.5, 15 and 30%) offered to broiler chickens by three modes of whole grain (WG) incorporation: (i) pre-pellet WG inclusion, (ii) post-pellet WG inclusion as a blend of WG and pelleted concentrate and (iii) post-pellet WG inclusion where WG and pelleted concentrate were provided in separate feed trays against a ground-grain, wheat-based control diet. 2. Ten dietary treatments was offered to 6 replicate cages (6 birds per cage) of male Ross 308 chickens from 7 to 28 d post-hatch...
November 8, 2017: British Poultry Science
https://www.readbyqxmd.com/read/29113411/pancreatoduodenectomy-combined-with-portal-superior-mesenteric-vein-resection-and-reconstruction-with-interposition-grafts-for-cancer-a-meta-analysis
#7
Wei Song, Qifan Yang, Linghui Chen, Qiang Sun, Dongkai Zhou, Song Ye, Zhenhua Hu, Liming Wu, Liming Feng, Shusen Zheng, Weilin Wang
The use of interposition grafts for portal-superior mesenteric vein (PV-SMV) reconstruction during pancreatoduodenectomy (PD) with venous resection (VR) for localized periampullary tumors is a controversial topic. The present meta-analysis aimed to evaluate the perioperative and long-term outcomes in patients who received interposition grafts for PV-SMV reconstruction after PD with VR. The correlative databases were systematically searched to identify relevant trials comparing vein grafts versus no vein grafts during PD with VR...
October 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/29109853/mesenteric-vein-thrombosis-following-impregnation-via-in-vitro-fertilization-embryo-transfer
#8
Masaaki Hirata, Hiroko Yano, Tomoe Taji, Yoshiharu Shirakata
Pregnancy is an acquired hypercoagulable state. Most patients with thrombosis that develops during pregnancy present with deep vein leg thrombosis and/or pulmonary embolism, whereas the development of mesenteric vein thrombosis (MVT) in pregnant patients is rare. We report a case of MVT in a 34-year-old woman who had achieved pregnancy via in vitro fertilization-embryo transfer (IVF-ET). At 7 wk of gestation, the patient was referred to us due to abdominal pain accompanied by vomiting and hematochezia, and she was diagnosed with superior MVT...
October 27, 2017: World Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/29095027/the-two-sides-of-superior-mesenteric-artery-syndrome-treatment-conservative-or-surgical-management
#9
Elvia Johanna Osegueda de Rodríguez, Antonio Carlos Hernández-Villegas, Aurora Elizabeth Serralde-Zúñiga, Ana Luz Del Carmen Reyes-Ramírez
INTRODUCTION: Superior mesenteric artery syndrome (SMAS) is a rare condition characterized by vascular compression of the duodenum. There is controversy regarding the optimal treatment. CASE REPORT: In case 1, we describe the case of a 21-year-old woman (body mass index -BMI- 16.9 kg/m2) with high-level obstructive symptoms three months prior, with computed tomography scan (TC) showing a superior mesenteric artery aorta angle (SMAA) of 13º and compression of the third portion of the duodenum (D3), for this reason a nasojejunal tube was placed for enteral feeding...
July 28, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29094033/inferior-mesenteric-arteriovenous-fistula
#10
Seunghun Lee, Jooweon Chung, Byungkwon Ahn, Seunghyun Lee, Sunguhn Baek
Arteriovenous fistula (AVF) involving the inferior mesenteric artery and vein is very rare with only 33 cases described in the literature and may be of congenital or acquired (iatrogenic or traumatic) or idiopathic etiology. The pathophysiology of AVF that acts as a left-to-right shunt has accounted for clinical signs and symptoms associated with ischemic colitis, portal hypertension, and heart failure. A low incidence and nonspecific clinical signs and symptoms such as abdominal pain, thrill and mass, lower and upper gastrointestinal bleeding make it difficult to establish a diagnosis of inferior mesenteric AVF...
October 2017: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/29093528/therapeutic-sirna-targeting-endothelial-kdr-decreases-portosystemic-collateralization-in-portal-hypertension
#11
Javier Gallego, Ester Garcia-Pras, Marc Mejias, Nuria Pell, Ute Schaeper, Mercedes Fernandez
Development of portosystemic collateral vessels and gastroesophageal varices is responsible for the most serious clinical consequences of portal hypertension, but effective clinical therapies are limited. Here we developed and investigated the therapeutic potential of an innovative liposomally-formulated short-interfering RNA (siRNA) technology based on clinical stage components, capable to attenuate production of the endothelial kinase insert domain receptor (KDR), which controls portosystemic collateralization and contributes to disease progression and aggravation...
November 1, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29069877/is-robot-assisted-surgery-really-scarless-surgery-immediate-reconstruction-with-a-jejunal-free-flap-for-esophageal-rupture-after-robot-assisted-thyroidectomy
#12
Seong Hoon Park, Joo Hyun Kim, Jun Won Lee, Hii Sun Jeong, Dong Jin Lee, Byung Chun Kim, In Suck Suh
Esophageal perforation is a rare but potentially fatal complication of robot-assisted thyroidectomy (RAT). Herein, we report the long-term outcome of an esophageal reconstruction with a jejunal free flap for esophageal rupture after RAT. A 33-year-old woman developed subcutaneous emphysema and hoarseness on postoperative day1 following RAT. Esophageal rupture was diagnosed by computed tomography and endoscopy, and immediate surgical exploration confirmed esophageal rupture, as well as recurrent laryngeal nerve injury...
October 26, 2017: Archives of Plastic Surgery
https://www.readbyqxmd.com/read/29062445/the-impact-of-three-dimensional-reconstruction-on-laparoscopic-assisted-surgery-for-right-sided-colon-cancer
#13
Ryoichi Miyamoto, Sosuke Tadano, Naoki Sano, Satoshi Inagawa, Shinya Adachi, Masayoshi Yamamoto
INTRODUCTION: During laparoscopic-assisted colorectal surgery (LACS) for right-sided colon cancer patients, we performed three-dimensional (3D) surgical simulation to investigate vascular anatomy, including the ileocolic artery (ICA), right colic artery (RCA) and superior mesenteric vein (SMV). AIM: We also used 3D imaging to examine the shortest distance from the root of the ileocolic vein (ICV) to the gastrocolic trunk (GCT). MATERIAL AND METHODS: We analyzed 46 right-sided colon cancer patients who underwent 3D-simulated LACS...
September 2017: Wideochirurgia i Inne Techniki Mało Inwazyjne, Videosurgery and Other Miniinvasive Techniques
https://www.readbyqxmd.com/read/29061632/neoadjuvant-s-1-with-concurrent-radiotherapy-followed-by-surgery-for-borderline-resectable-pancreatic-cancer-study-protocol-for-an-open-label-multicentre-prospective-phase-ii-trial-jaspac05
#14
Shinichiro Takahashi, Izumi Ohno, Masafumi Ikeda, Tatsushi Kobayashi, Tetsuo Akimoto, Motohiro Kojima, Masaru Konishi, Katsuhiko Uesaka
INTRODUCTION: Borderline resectable pancreatic cancer (BRPC) can involve the portal vein, superior mesenteric vein, superior mesenteric artery, coeliac axis or hepatic artery, and has a high probability of positive surgical margins and poor prognosis after resection. Neoadjuvant chemoradiation is expected to provide substantial local control and prolong survival in patients with BRPC. METHODS AND ANALYSIS: This open-label, multicentre, prospective phase II trial will assess S-1 with concurrent radiotherapy as preoperative treatment for BRPC...
October 22, 2017: BMJ Open
https://www.readbyqxmd.com/read/29055930/analysis-of-the-meld-score-impact-in-the-outcome-of-endovascular-portal-vein-reconstruction
#15
Adriana Torres-Machorro, Manuel Guerrero-Hernandez, Javier E Anaya-Ayala, Aldo Torre, Hugo Laparra-Escareno, Cesar Cuen-Ojeda, Ramón Garcia-Alva, Carlos A Hinojosa
INTRODUCTION: Endovascular therapy represents a less invasive alternative to open surgery for reconstruction of the portal vein (PV) and the spleno-mesenteric venous confluence to treat Portal hypertension. The objective of this study is to determine if the Model for End-Stage Liver Disease (MELD) score is a useful method to evaluate the risk of morbidity and mortality during endovascular approaches. MATERIAL AND METHODS: Patients that underwent endovascular reconstruction of the PV or spleno-mesenteric confluence were identified retrospectively...
October 16, 2017: Annals of Hepatology
https://www.readbyqxmd.com/read/29051395/role-of-computer-tomography-and-endoscopic-ultrasonography-in-assessing-portal-and-superior-mesenteric-vessels-invasion-in-cephalo-pancreatic-adenocarcinoma
#16
Raluca Bodea, Andrada Seicean, Tudor Vasile, Tudor Calinici, Irina Ciuca, Nadim Al Hajjar, Cornel Iancu, Constantin Iordache
AIM: The aim of this study is to evaluate the information given by contrast-enhanced computer tomography (CECT) and ultrasound endoscopy (EUS) regarding vascular involvement of cephalo-pancreatic cancer, data compared with intraoperative findings. MATERIAL AND METHODS: We choose to analyze the most often interested vessels by tumor development, such as superior mesenteric artery (SMA), superior mesenteric vein (SMV) and portal vein (PV). The patients included in the study (n=425) had a cephalo-pancreatic tumor diagnosed in our Institute and a positive histology for pancreatic adenocarcinoma...
2017: Annali Italiani di Chirurgia
https://www.readbyqxmd.com/read/29049228/the-efficiency-of-sonography-in-diagnosing-volvulus-in-neonates-with-suspected-intestinal-malrotation
#17
Wenhua Zhang, Hongjun Sun, Fangqiong Luo
This study is to prospectively evaluate the efficiency of sonography for volvulus diagnosis in neonates with clinically suspected intestinal malrotation.A total of 83 patients with suspected intestinal malrotation who underwent detailed abdominal sonography and upper gastrointestinal contrast study were included. Malrotation was characterized by inversion of the superior mesenteric artery (SMA) and superior mesenteric vein (SMV) in sonographic examination. The "whirlpool sign" of Color Doppler Sonography was recognized as a characteristic for malrotation with volvulus...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29040541/placental-nano-vesicles-target-to-specific-organs-and-modulate-vascular-tone-in-vivo
#18
Mancy Tong, Joanna L Stanley, Q Chen, Joanna L James, Peter R Stone, Larry W Chamley
STUDY QUESTION: How do nano-vesicles extruded from normal first trimester human placentae affect maternal vascular function? SUMMARY ANSWER: Placental nano-vesicles affect the ability of systemic mesenteric arteries to undergo endothelium- and nitric oxide- (NO-) dependent vasodilation in vivo in pregnant mice. WHAT IS KNOWN ALREADY: Dramatic cardiovascular adaptations occur during human pregnancy, including a substantial decrease in total peripheral resistance in the first trimester...
November 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29037361/a-novel-surgical-approach-to-symptomatic-left-renal-vein-aneurysm
#19
Anthony Rios, Pouria Parsa, John Eidt, Gregory Pearl
Visceral venous aneurysms are uncommon and renal vein aneurysms are among the rarest in this subset. Renal vein aneurysms are frequently asymptomatic, but patients may present with flank pain or hematuria. Complications of untreated visceral venous aneurysms include thrombus formation and, very rarely, rupture. Treatment of renal vein aneurysms ranges from watchful waiting to surgical repair. We describe a patient with renal vein aneurysm presenting with recurrent pulmonary embolus with no other identifiable source...
November 2017: Journal of Vascular Surgery. Venous and Lymphatic Disorders
https://www.readbyqxmd.com/read/29021445/a-case-of-liver-abscess-and-portal-vein-thrombosis-due-to-ileal-diverticulitis-mediated-by-barium-fluoroscopy
#20
Haremaru Kubo, Genki Asai, Kou Haraguchi, Yu Shibahara, Toshihiro Kihara, Genta Yamakawa, Fumitaka Kira, Hisato Higashi, Shinji Morishita, Hajime Fujie, Masao Matsumoto, Wahei Shimura
We report a case of liver abscess and portal vein thrombosis, which occurred due to diverticulitis at the terminal ileum in a 59-year-old man. The patient underwent a barium fluoroscopic examination 1 month before presenting to our hospital. He also showed liver dysfunction due to thrombosis at the superior mesenteric and portal veins. His inflammation gradually subsided after the initiation of treatment, but the recovery was not sufficient. Thus, surgery was performed. The patient condition improved after surgery and he was discharged...
October 11, 2017: Internal Medicine
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