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Superior mesenteric artery(SMA)

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https://www.readbyqxmd.com/read/29049228/the-efficiency-of-sonography-in-diagnosing-volvulus-in-neonates-with-suspected-intestinal-malrotation
#1
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/29037200/spontaneous-isolated-dissection-of-the-superior-mesenteric-artery-and-aneurysm-formation-resulting-from-segmental-arterial-mediolysis-a-case-report
#2
Nobuhiro Akuzawa, Makoto Kurabayashi, Tsukasa Suzuki, Daisuke Yoshinari, Mitsunobu Kobayashi, Yoshifumi Tanahashi, Fujio Makita, Ryusei Saito
BACKGROUND: Spontaneous isolated dissection of the superior mesenteric artery (SMA) can lead to bowel ischemia, aneurysm rupture, or even death. Studies have suggested that mechanical or hemodynamic stress on the vascular wall of the SMA may be a contributor, but its pathogenesis is unclear. CASE PRESENTATION: A 57-year-old Japanese man with a history of untreated hypertension and hyperuricemia was admitted to our hospital with the sudden onset of severe epigastric pain...
October 16, 2017: Diagnostic Pathology
https://www.readbyqxmd.com/read/29033254/nodal-areas-of-potential-geographic-error-in-adjuvant-radiotherapy-for-biliary-tract-cancer
#3
Joanna Socha, Maciej Michalak, Grzegorz Wołąkiewicz, Lucyna Kepka
PURPOSE: To determine the areas of potential geographic error in adjuvant radiotherapy (RT) for biliary-tract cancer (BTC) by comparing pathological-surgical data on the pattern of nodal spread with the extent of elective nodal CTV used in published RT studies in this setting. MATERIAL/METHODS: A literature search was performed to select articles on: 1/adjuvant RT for BTC, that provided information on the lymph node stations (LNS) included in the CTV; 2/the pathological-surgical data on the patterns of nodal involvement/recurrence in BTC...
October 12, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28972809/non-occlusive-mesenteric-ischemia-ct-findings-clinical-outcomes-and-assessment-of-the-diameter-of-the-superior-mesenteric-artery
#4
Carlos Pérez-García, Enrique de Miguel Campos, Adriana Fernández Gonzalo, Carlos Malfaz, Jesus Martín Pinacho, Carmen Fernández Álvarez, Raquel Herranz Pérez
OBJECTIVE: Review of the experience of a tertiary care centre for almost 10 years in the CT diagnosis of non-occlusive mesenteric ischemia (NOMI). Analysis of CT findings, correlation with clinical outcomes and evaluation of the usefulness of measuring the superior mesenteric artery (SMA) diameter for the diagnosis of NOMI. METHODS: 106 patients were diagnosed with NOMI in a biphasic CT examination from 2008 to 2017 in our hospital. Clinical outcomes and CT findings were reviewed...
October 3, 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28969500/serial-follow-up-evaluation-with-computed-tomography-after-conservative-medical-treatment-in-patients-with-symptomatic-spontaneous-isolated-superior-mesenteric-artery-dissection
#5
Toshihisa Ichiba, Masahiko Hara, Keiji Yunoki, Masaki Urashima, Hiroshi Naitou
OBJECTIVE: There is no detailed information available about trend in the morphological change after conservative medical treatment in patients with symptomatic spontaneous isolated superior mesenteric artery dissection (SISMAD). METHODS: We enrolled 27 consecutive patients with symptomatic SISMAD who underwent conservative medical treatment between 2006 and 2015. The long-term prognosis, natural history, and serial follow-up computed tomography (CT) findings of risk factors of rupture such as arterial diameter and false lumen enhancement were retrospectively assessed...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28969208/a-case-series-on-superior-mesenteric-artery-syndrome-surgical-management-single-institution-experience
#6
Gopakumar Valiathan, Majid Wani, Juneed Lanker, Prasanna Kumar Reddy
Compression of duodenum by Superior Mesenteric Artery (SMA) causing proximal intestinal obstruction is an uncommon condition. Treatment of this condition involves conservative management initially followed by surgical management in those patients who have persistent symptoms. This case series evaluates surgical management and outcome of six patients after one year, who presented with SMA syndrome and describes a brief review of literature. Three patients underwent open duodenojejunostomy and the rest three underwent laparoscopic duodenojejunostomy...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28953651/rare-anatomic-variation-of-the-right-hepatic-artery-and-accessory-right-hepatic-artery-supplying-hepatocellular-carcinoma-a-case-report-and-literature-review
#7
Yiming Liang, Enliang Li, Jiaqi Min, Chengwu Gong, Linquan Wu
INTRODUCTION: Each hepatic artery is functionally essential for providing blood supply to the liver, and so are variant arteries. Variant arteries, including the accessory right hepatic artery (ARHA) and replaced right hepatic artery (RRHA) are commonly described in the literature. However, they usually occur independently. Here, we report an extremely rare case that involved both an ARHA and an RRHA arising from the gastroduodenal artery (GDA) and superior mesenteric artery (SMA), respectively...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28901215/presentation-treatment-and-outcomes-in-patients-with-spontaneous-isolated-celiac-and-superior-mesenteric-artery-dissection
#8
Charles DeCarlo, Suvranu Ganguli, Jorge C Borges, Robert M Schainfeld, Ari J Mintz, Jessica Mintz, Michael R Jaff, Ido Weinberg
Spontaneous isolated celiac or superior mesenteric artery (SMA) dissection (SICMAD) is a rare clinical entity. Not much is known about the natural history and appropriate treatment. We retrospectively queried a prospectively collected institutional radiology database for all patients diagnosed with SICMAD from 1990 to 2017. We identified 42 arteries in 40 patients (83.3% male), mean age 54.8 ± 10.9 years, consisting of 24 celiac arteries and 18 SMA. SMA lesions were longer than celiac lesions (5.15 ± 3.81 vs 2...
September 1, 2017: Vascular Medicine
https://www.readbyqxmd.com/read/28889765/effect-of-caffeine-on-superior-mesenteric-artery-blood-flow-velocities-in-preterm-neonates
#9
Mohamed A Abdel Wahed, Hanan M Issa, Soha M Khafagy, Shaimaa M Abdel Raouf
OBJECTIVE: To investigate the effect of caffeine infusion on superior mesenteric artery (SMA) blood flow velocities (BFV) in preterm infants. METHODS: Prospective observational study on 38 preterm neonates 28-33(+6) weeks gestation, who developed apnea on their first day of life, and caffeine citrate infusion was initiated at a loading dose of 20 mg/kg, followed by a maintenance dose of 5-10 mg/kg/day. Duplex ultrasound measurements of SMA BFV were recorded: peak systolic velocity (PSV), end diastolic velocity (EDV) and resistive index (RI), at 15 minutes before, 1-, 2- and 6 hours after caffeine loading dose, and 2 hours after two maintenance doses...
September 10, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28887258/case-report-severe-acute-type-b-aortic-dissection-complicated-by-acute-pancreatitis
#10
Jin Jie, Wu Yongfa, Wang Yuxin, Liao Mingfang, Qu Lefeng
A 52 year-old man presented with sudden abdominal pain and intermittent vomiting. The patient underwent contrast-enhanced computed tomography scan (CT) and was diagnosed with an acute type B aortic dissection (ABAD) involving the celiac trunk superior mesenteric artery (SMA), and extending to the renal artery. The patient was treated with thoracic endovascular aortic repair (TEVAR). After the procedure, the patient still complained of left upper abdomen abdominal pain, and an abdominal mass was detected on physical examination...
September 5, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28883239/superior-mesenteric-artery-syndrome-may-be-overlooked-in-women-with-functional-dyspepsia
#11
Koki Kawanishi, Kensaku Shojima, Masayuki Nishimoto, Hiroko Abe, Tetsuhiro Kakimoto, Yuko Yasuda, Takeshi Hara, Jun Kato
Objective Superior mesenteric artery (SMA) syndrome is characterized by the compression of the third segment of the duodenum between the SMA and aorta, resulting in duodenal obstruction. Because the symptoms of the syndrome are similar to those of functional dyspepsia (FD), this study aimed to examine whether or not patients with SMA syndrome were present among those diagnosed with FD. Methods Patients with an FD diagnosis underwent measurement of the angle and distance between the SMA and aorta by ultrasonography or computed tomography...
October 1, 2017: Internal Medicine
https://www.readbyqxmd.com/read/28882080/use-of-the-nellix-endovascular-aneurysm-sealing-system-in-combination-with-parallel-grafts-for-the-treatment-of-a-symptomatic-type-v-thoracoabdominal-aortic-aneurysm
#12
Chris Klonaris, Athanasios Katsargyris, Dimitris Athanasiadis, Theodor Liakakos
PURPOSE: To report endovascular treatment of a symptomatic type V thoracoabdominal aortic aneurysm (TAAA) using the combined techniques of endovascular aneurysm sealing and parallel stent-grafts. CASE REPORT: A 70-year-old man was referred with a symptomatic type V TAAA. The Nellix EndoVascular Aneurysm Sealing (EVAS) System was used in combination with 2 chimney grafts for the celiac artery (CA) and the superior mesenteric artery (SMA); one periscope graft perfused the right renal artery...
September 1, 2017: Journal of Endovascular Therapy
https://www.readbyqxmd.com/read/28877534/open-abdomen-improves-survival-in-patients-with-peritonitis-secondary-to-acute-superior-mesenteric-artery-occlusion
#13
Weiwei Ding, Kai Wang, Baochen Liu, Xinxin Fan, Shikai Wang, Jianmin Cao, Xingjiang Wu, Jieshou Li
BACKGROUND: Damage control surgery and open abdomen (OA) have been extensively used in the severe traumatic patients. However, there was little information when extended to a nontrauma setting. The purpose of this study was to evaluate whether the liberal use of OA as a damage control surgery adjunct improved the clinical outcome in acute superior mesenteric artery occlusion patients. STUDY DESIGN: A single-center, retrospective cohort review was performed in a national tertiary surgical referral center...
October 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28875279/trauma-to-the-superior-mesenteric-artery-and-superior-mesenteric-vein-a-narrative-review-of-rare-but-lethal-injuries
#14
REVIEW
B Phillips, S Reiter, E P Murray, D McDonald, L Turco, D L Cornell, J A Asensio
Mesenteric vessels, including the superior mesenteric artery (SMA) and vein (SMV), provide and drain the rich blood supply of the midgut and hindgut. SMA and SMV injuries are rare and often lethal. Clinical management of these injuries is not well established, but treatment options include operative, non-operative, and endovascular strategies. A narrative review of the literature was conducted using MEDLINE Complete-EBSCO. Relevant studies, specifically those focusing on diagnosis and management of SMA and SMV injuries, were selected...
September 5, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28856327/percutaneous-mechanical-thrombectomy-treatment-of-acute-superior-mesenteric-artery-embolism
#15
Z Zhang, X Chen, R Zhu
OBJECTIVE/BACKGROUND: This report presents a superior mesenteric artery (SMA) embolism managed by percutaneous mechanical thrombectomy (PMT). METHODS: A 61 year old woman diagnosed with SMA embolism was admitted. Emboli were found in the middle and distal segments of the SMA on abdominal computed tomography angiography. Under local anaesthesia, a 6 F Rotarex system was used to remove the emboli via left brachial artery access. Emboli were successfully removed and patency was restored to the SMA and its branches...
2017: EJVES Short Rep
https://www.readbyqxmd.com/read/28836250/-clinical-efficacy-of-superior-mesenteric-artery-oriented-laparoscopic-complete-mesocolic-excision-in-the-treatment-of-right-colonic-cancer
#16
Yong Wang, Dongsheng Zhang, Yifei Feng, Zan Fu, Ziwei Xu, Yueming Sun
OBJECTIVE: To investigate the clinical efficacy of superior mesenteric artery (SMA)-oriented laparoscopic complete mesocolic excision (CME) with a medial-to-lateral approach in the treatment of right colonic cancer. METHODS: A total of 166 patients with right colonic cancer who were admitted to The First Affiliated Hospital of Nanjing Medical University from January 2015 to December 2016 underwent SMA-oriented laparoscopic CME by the same surgical team. Clinical data of these patients were retrospectively analyzed...
August 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28832091/co-existence-of-the-double-inferior-vena-cava-with-complex-interiliac-venous-communication-and-aberrant-common-hepatic-artery-arising-from-superior-mesenteric-artery-a-case-report
#17
Vilai Chentanez, Natcha Nateniyom, Thanasil Huanmanop, Sithiporn Agthong
Variations of the arterial and venous system of the abdomen and pelvis have important clinical significance in hepatobiliary surgery, abdominal laparoscopy, and radiological intervention. A case of double inferior vena cava (IVC) with complex interiliac communication and variation of the common hepatic artery (CHA) arising from superior mesenteric artery (SMA) in a 79-year-old male cadaver is presented. Both IVCs ascended on either side of the abdominal aorta. The left-sided IVC crossed anterior to the aorta at the level of the left renal vein...
August 23, 2017: Folia Morphologica (Warsz)
https://www.readbyqxmd.com/read/28794812/endovascular-management-of-superior-mesenteric-artery-sma-aneurysm-adequate-access-is-essential-for-success-case-report
#18
Lovro Tkalčić, Berislav Budiselić, Miljenko Kovačević, Siniša Knežević, Slavica Kovačić, Damir Miletić, Vjekoslav Tomulić, Dimitrij Kuhelj
BACKGROUND: An aneurysm of the superior mesenteric artery (SMA) with a diameter of 2.2 cm was found incidentally on an ultrasound (US) examination in a 26-year-old woman. The only known risk factor was an intracranial aneurysm that was found on her grandmother's autopsy. Based on pregnancy planning and the current literature, endovascular management with a covered stent was proposed. CASE REPORT: Self-expandable, covered stent (Bard, Fluency(®)) was implanted using a single transfemoral approach...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28791045/conservative-management-of-spontaneous-isolated-dissection-of-the-superior-mesenteric-artery
#19
Jae Hyun Kwon, Yoon Hee Han, Jun Kyu Lee
PURPOSE: We report the clinical outcomes of patients with spontaneous isolated dissection of the superior mesenteric artery (SIDSMA) who were treated conservatively. MATERIALS AND METHODS: A retrospective review was performed in 14 patients from 2006 to 2016 with SIDSMA. Their clinical features and computed tomographic angiography (CTA) characteristics, treatment methods, and clinical outcomes were analyzed. The mean age was 53.6 (range, 41-73) years, and the mean follow-up duration was 20...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28790028/staged-retroperitoneal-mesenteric-revascularisation-and-aortobifemoral-bypass-after-endovascular-rescue-for-acute-mesenteric-ischaemia
#20
Shepard Peir Johnson, Melani Lighter, Harry Linne Anderson, Abdulhameed Aziz
Visceral artery revascularisation through a retroperitoneal approach provides an infrequent yet viable, alternative means of managing mesenteric ischaemia in patients with previous abdominal operations. We present a unique case implementing this surgical approach in a 55-year-old man in which we performed a retroperitoneal aortobifemoral bypass with concomitant retrograde jump graft from the aortic prosthesis to the superior mesenteric artery (SMA) for bilateral lower extremity rest pain and chronic mesenteric ischaemia...
August 8, 2017: BMJ Case Reports
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