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Endoluminal Stent

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https://www.readbyqxmd.com/read/29310815/endoluminal-stenting-for-the-management-of-leak-following-sleeve-gastrectomy-and-loop-duodenojejunal-bypass-with-sleeve-gastrectomy
#1
Ying-Nan Tsai, Hsiu-Po Wang, Chih-Kun Huang, Po-Chin Chang, I-Chang Lin, Chi-Ming Tai
Postoperative leak is a serious complication of bariatric surgery and often results in significant morbidity and mortality. Stent placement is a less invasive alternative to surgery for the treatment of bariatric surgical leak. We evaluated the efficacy and complications of covered self-expandable metal stents (SEMS) in the treatment of post-bariatric surgical leak. We retrospectively reviewed patients who underwent stent placement for leak after bariatric surgery. Leak was diagnosed by upper gastrointestinal series or was visualized during the endoscopy...
January 2018: Kaohsiung Journal of Medical Sciences
https://www.readbyqxmd.com/read/29234529/the-effectiveness-of-ureteric-metal-stents-in-malignant-ureteric-obstructions-a-systematic-review
#2
REVIEW
Panagiotis Kallidonis, Dimitrios Kotsiris, Francesco Sanguedolce, Panteleimon Ntasiotis, Evangelos Liatsikos, Athanasios Papatsoris
Objective: To review the literature on the effectiveness, safety and long-term patency of ureteric metal mesh stents (MSs), as a variety of MSs have been used for managing malignant ureteric obstruction over the last three decades. Materials and methods: A systematic review using the search string; Ureter∗ AND (stent OR endoprosthesis) AND metal∗ was conducted on PubMed, Scopus, Web of science and Cochrane Library online databases in May 2016. Prospective, retrospective, and comparative studies including MSs were included...
December 2017: Arab Journal of Urology
https://www.readbyqxmd.com/read/29218673/results-of-endoscopic-vacuum-assisted-closure-device-for-treatment-of-upper-gi-leaks
#3
Marc Bludau, Hans F Fuchs, Till Herbold, Martin K H Maus, Hakan Alakus, Felix Popp, Jessica M Leers, Christiane J Bruns, Arnulf H Hölscher, Wolfgang Schröder, Seung-Hun Chon
BACKGROUND: Esophageal perforations and postoperative leakage of esophagogastrostomies are considered to be life-threatening conditions due to the potential development of mediastinitis and consecutive sepsis. Vacuum-assisted closure (VAC) techniques, a well-established treatment method for superficial infected wounds, are based on a negative pressure applied to the wound via a vacuum-sealed sponge. Endoluminal VAC (E-VAC) therapy as a treatment for GI leakages in the rectum was introduced in 2008...
December 7, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/29186638/stent-over-sponge-sos-a-novel-technique-complementing-endosponge-therapy-for-foregut-leaks-and-perforations
#4
Piero V Valli, Joachim C Mertens, Arne Kröger, Christoph Gubler, Christian Gutschow, Paul M Schneider, Peter Bauerfeind
Background and study aims Endoluminal vacuum therapy (EVT) has evolved as a promising option for endoscopic treatment of foregut wall injuries in addition to the classic closure techniques using clips or stents. To improve vacuum force and maintain esophageal passage, we combined endosponge treatment with a partially covered self-expandable metal stent (stent-over-sponge; SOS). Patients and methods Twelve patients with infected upper gastrointestinal wall defects were treated with the SOS technique. Results Indications for SOS were anastomotic leakage after surgery (n = 11) and chronic foregut fistula (n = 1)...
October 27, 2017: Endoscopy
https://www.readbyqxmd.com/read/29181746/severe-dehiscence-of-gastrojejunal-anastomosis-after-gastric-bypass-its-cure-by-using-partially-covered-stent-and-avoiding-migration
#5
Helga C A W Alhinho, Flávio C Ferreira, Rodrigo C L Medeiros, Álvaro A B Ferraz, Josemberg M Campos
BACKGROUND: Gastric leak is a severe complication of gastric bypass that is associated with significant morbidity and mortality. Anastomosis dehiscence usually occurs at gastrojejunal anastomosis and can appear simultaneously with gastric leak, for which treatment can be a challenge. Fistula may have several clinical impacts, depending on patient-related factors, fistula characteristics, onset time, and therapy proposal. Abdominal toilet, drainage, gastrostomy, and revisional surgery constitute the traditional approaches to dehiscence and fistula closure, with variable results...
November 27, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/29096904/-stent-thrombosis-what-s-up-in-2017
#6
R Kallel, R Hakim, G Rangé
Stent thrombosis (ST) is still a dreadful and threatening complication of percutaneous coronary intervention (PCI) with a high risk of morbi-mortality. Nevertheless, it becomes exceptional (0.6% at 1 year and 0.15%/year later) thanks to improvement of stents and use of new P2Y12 inhibitors. Endo-coronary imaging and especially Optical Coherence Tomography (OCT) change radically its understanding with revealing quiet systematic morphologic endoluminal abnormalities (97% of the cases). OCT becomes an essential tool in practice (ESC recommendation class IIa) and allows a therapeutic strategy optimization...
October 30, 2017: Annales de Cardiologie et D'angéiologie
https://www.readbyqxmd.com/read/29081013/emerging-technologies-in-flow-diverters-and-stents-for-cerebrovascular-diseases
#7
REVIEW
Michael Karsy, Jian Guan, Andrea A Brock, Anubhav Amin, Min S Park
PURPOSE OF REVIEW: Stents and flow diverters have revolutionized the treatment of cerebrovascular disease. Guglielmi coils, flexible microcatheters, and first-generation intracranial stents, such as Neuroform (Stryker Neurovascular) and Enterprise stents (Codman/DePuy-Synthes), have paved the way for the development of the Pipeline Embolization Device (PED) (ev3/Covidien/Medtronic) and other endovascular approaches. RECENT FINDINGS: This review discusses the historical development of flow diverter technologies from the PED to similar devices, such as the Surpass stent (Stryker Neurovascular), the Flow-Redirection Endoluminal Device (FRED; MicroVention, Inc...
October 28, 2017: Current Neurology and Neuroscience Reports
https://www.readbyqxmd.com/read/29019713/modified-endoscopic-vacuum-therapy-for-nonhealing-esophageal-anastomotic-leak-technique-description-and-review-of-literature
#8
Guy Pines, Ilan Bar, Amir Elami, Shimon Sapojnikov, Ofir Hikri, Dennis Ton, Bruce Mosenkis, Ehud Melzer
BACKGROUND: Endoscopic vacuum-assisted closure (EVAC) therapy is increasingly being used as a new promising method for repairing upper gastrointestinal defects of different etiologies with high success rates. EVAC therapy consists of placing a sponge either within the lumen or within an abscess cavity connected with a nasogastric (NG) tube to a negative pressure system, thus decreasing bacterial contamination and edema and promoting granulation tissue proliferation, thereby gradually decreasing the cavity size until complete closure...
January 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28944944/endovascular-treatment-of-intracranial-anterior-circulation-aneurysms-with-flow-diverters-a-single-centre-experience-with-mid-and-long-term-results
#9
Ezel Yaltirik Bilgin, Baran Önal, Hakan Emmez, Koray Akkan, Erhan Ilgit, Erkan Bilgin, Emetullah Cindil, Alp Ozgun Borcek
AIM: We report our experience with flow diverter devices in the treatment of intracranial aneurysms arising from anterior circulation with mid and long-term follow-up. MATERIAL AND METHODS: 78 aneurysms in 61 patients (range 25-81 years, 13 male, 48 female) were treated with flow diverter devices. 40 (51,3%) aneurysms were treated with pipeline embolization device (PED), 24 (30,8%) aneurysms were treated with SILK stent, 12(15,4%) aneurysms were treated with flow redirection endoluminal device (FRED) and two aneurysms were treated with P64 Flow Modulation Device (P64)...
July 11, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28939583/a-comparison-between-the-new-low-profile-visualized-intraluminal-support-lvis-blue-stent-and-the-flow-redirection-endoluminal-device-fred-in-bench-top-and-cadaver-studies
#10
Yoshikazu Matsuda, Joonho Chung, Kiffon Keigher, Demetrius Lopes
OBJECT: The aim of this study is to demonstrate the differences between the new Low-profile Visualized Intraluminal Support (LVIS Blue) stenting device and the Flow Redirection Endoluminal Device (FRED) using a series of bench-top evaluations and optical coherence tomography (OCT) images in a cadaveric preparation of the basilar artery. METHODS: The first part of the evaluation was bench-top microscopic documentation of metal coverage for LVIS Blue and FRED stents...
September 22, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28931265/diagnostic-and-interventional-optical-angioscopy-in-ex-vivo-carotid-arteries
#11
Luis E Savastano, Neeraj Chaudhary, Carlos Murga-Zamalloa, Michael Wang, Thomas Wang, B Gregory Thompson
BACKGROUND: Angioscopy - or endovascular endoscopy - is a catheter-based technique employing a flexible fiberoptic angioscope to directly visualize arterial lumen. Poor resolution and excessive stiffness of pre-existent angioscopes limited their use clinically. Recent advances resulted in novel fused optical fiber bundle angioscopes with improved flexibility and imaging resolution. Use of these devices in endovascular neurosurgery is still largely unexplored. OBJECTIVE: To evaluate image quality and feasibility of optical angioscopes for diagnostic and interventional neuro-angioscopy in carotid arteries of human cadavers...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28931184/-modern-interdisciplinary-management-of-a-uretero-iliac-artery-fistula-case-report
#12
D Benedix, F Meyer, F Fischbach, A Janitzky, Z Halloul
Introduction Abnormal links between the arterial system and other luminal systems are a challenge to those in charge of their adequate diagnostic and therapeutic management. Objective Scientific case report on an individual who underwent successful treatment combining vascular-surgical and interventional radiology techniques for a rare right uretero-iliac artery fistula based on personal clinical experience, a selective literature research and a detailed discussion of current recommendations for diagnostic workup and subsequent treatment...
September 20, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28881905/perforated-esophageal-intervention-focus-perf-study-a-multi-center-examination-of-contemporary-treatment
#13
J T Ali, R D Rice, E A David, J D Spicer, J J Dubose, L Bonavina, S Siboni, T A O'Callaghan, X Luo-Owen, S Harrison, C G Ball, J Bini, G A Vercruysse, D Skarupa, C C Miller Iii, A L Estrera, K G Khalil
The treatment of esophageal perforation (EP) remains a significant clinical challenge. While a number of investigators have previously documented efficient approaches, these were mostly single-center experiences reported prior to the introduction of newer technologies: specifically endoluminal stents. This study was designed to document contemporary practice in the diagnosis and management of EP at multiple institutions around the world and includes early clinical outcomes. A five-year (2009-2013) multicenter retrospective review of management and outcomes for patients with thoracic or abdominal esophageal perforation was conducted...
November 1, 2017: Diseases of the Esophagus: Official Journal of the International Society for Diseases of the Esophagus
https://www.readbyqxmd.com/read/28767501/endoscopic-gastroenterostomy-techniques-and-review
#14
Shayan Irani, Todd H Baron, Takao Itoi, Mouen A Khashab
PURPOSE OF REVIEW: Gastric outlet obstruction (GOO) can result from benign and malignant causes. Until recently, surgical gastrojejunostomy was the treatment of choice for patient with benign and malignant GOO with a good functional status. Endoscopic placement of luminal self-expandable metal stents is currently widely accepted as the first line of treatment for malignant GOO because of its effectiveness and minimally invasive nature. The main shortcoming of luminal stents is the high incidence of recurrent GOO most commonly because of tumor ingrowth/overgrowth...
September 2017: Current Opinion in Gastroenterology
https://www.readbyqxmd.com/read/28681224/percutaneous-image-guided-pancreatic-duct-drainage-technique-results-and-expected-benefits
#15
M Mizandari, T Azrumelashvili, J Kumar, N Habib
PURPOSE: The aim of this study is to provide a technical detail and feasibility of percutaneous image-guided pancreatic duct (PD) drainage and to discuss its subtleties in a series of patients with obstructed PD. MATERIALS AND METHODS: Thirty patients presenting with PD obstruction from pancreatic head tumour or pancreatitis were subjected to percutaneous image-guided PD drainage under a guidance of ultrasound or computed tomography. Following the successful puncture of PD, a locking loop drainage catheter was placed using conventional guidewire techniques under real-time fluoroscopy guidance...
July 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28667507/endoluminal-nd-yag-laser-application-in-ex-vivo-biliary-porcine-tissue
#16
Roberta Rea, Francesco Maria Di Matteo, Margareth Martino, Monica Pandolfi, Paola Saccomandi, Carla Rabitti, Anna Crescenzi, Guido Costamagna
Adequate biliary drainage with endoscopic or percutaneous placement of self-expandable metal stents represents the goal of palliation in patients with inoperable malignant obstruction of the biliary tree. As an adjunct to stenting, various tissue ablation treatments have been proposed with conflicting results. The aim of this study was to test the effect on biliary tissue of a new ablation technique based on Nd:YAG laser light delivery. The study was conducted on ex vivo specimens of 18 healthy farm pigs, using cystic ducts that are the simplest biliary structures to isolate and cannulate ex vivo...
August 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28647659/flow-diverters-as-useful-adjunct-to-traditional-endovascular-techniques-in-treatment-of-direct-carotid-cavernous-fistulas
#17
Christopher S Ogilvy, Rouzbeh Motiei-Langroudi, Mohammad Ghorbani, Christoph J Griessenauer, Abdulrahman Y Alturki, Ajith J Thomas
BACKGROUND: Direct carotid-cavernous sinus fistulas (CCFs) are high-flow arteriovenous shunts that are typically the result of a severe head injury. The endovascular treatment of these lesions includes the use of detachable balloons, coils, liquid embolic agents, and covered stents. To minimize the chance of treatment failure and subsequent complications, endoluminal reconstruction using a flow-diverting stent may be added to the treatment construct. METHODS: We present 3 cases and review the existing literature...
September 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28595481/retrograde-popliteal-access-to-percutaneous-peripheral-intervention-for-chronic-total-occlusion-of-superficial-femoral-arteries
#18
Mert Dumantepe
OBJECTIVE: The aim of this study is to present our initial experience with the use of the retrograde popliteal artery access in patients with chronic total occlusions of superficial femoral artery (SFA). METHOD: From July 2012 to May 2014, a total of 28 patients (20 men, mean age 61.2 ± 11.5 years) with total occlusion of the SFA and good distal runoff were treated with percutaneous atherectomy, balloon angioplasty, and stenting (mean length 165.3 ± 57.5 mm, range 72-336 mm)...
July 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28547126/endovascular-management-of-native-postcoarctation-thoracic-aortic-aneurysms
#19
Ziheng Wu, Xiangtao Zheng, Xin Fang, Yangyan He, Donglin Li, Chengfei Zheng, Hongkun Zhang
PURPOSE: Postcoarctation thoracic aortic aneurysm formation is one of the most serious complications for coarctation of aorta. Open surgery to repair these aneurysms is associated with high morbidity and mortality. Endovascular therapy is an attractive alternative to open surgery. We have studied the efficacy and safety of endovascular therapy for postcoarctation thoracic aortic aneurysms, and will share our findings and experience through this document. METHODS: The data was retrospectively collected on consecutive patients who were presented with postcoarctation thoracic aortic aneurysms at our medical center...
October 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28501245/emergency-presentations-of-colorectal-cancer
#20
REVIEW
Canaan Baer, Raman Menon, Sarah Bastawrous, Amir Bastawrous
Many colorectal carcinomas will present emergently with issues such as obstruction, perforation, and bleeding. Emergency surgery is associated with poor short- and long-term outcomes. For abnormality localizing to the colon proximal to the splenic flexure, surgical management with hemicolectomy is often a safe and appropriate approach. Obstructions are more common in the distal colon, however, where there is an evolving spectrum of surgical and nonsurgical options, most notably by the development of endoluminal stents...
June 2017: Surgical Clinics of North America
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