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Endoluminal Stent

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https://www.readbyqxmd.com/read/28501245/emergency-presentations-of-colorectal-cancer
#1
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
https://www.readbyqxmd.com/read/28316865/treatment-of-intracranial-aneurysms-with-flow-re-direction-endoluminal-device-a-single-centre-experience-with-short-term-follow-up-results
#2
Neeraj Ramesh Mahboobani, Wing Ho Chong, Samuel Siu Kei Lam, Jimmy Chi Wai Siu, Chong Boon Tan, Yiu Chung Wong
PURPOSE: A flow diverter (FD) is an effective treatment option for intracranial aneurysms. The Flow Re-direction Endoluminal Device (FRED) is a relatively new flow diverter with a unique dual-layer design. We report our experience and short-term results with the FRED. MATERIALS AND METHODS: We did a retrospective review of all consecutive cases in which the FRED was used to treat intracranial aneurysms at a single institution from March 2014 till December 2015. Clinical parameters, aneurysm characteristics, technical results and short-term outcomes were reviewed...
March 2017: Neurointervention
https://www.readbyqxmd.com/read/28291400/effect-of-variations-in-stent-placement-on-outcome-of-endoluminal-stenting-for-canine-tracheal-collapse
#3
Stephanie Rosenheck, Garrett Davis, Carl D Sammarco, Richard Bastian
The study's objective was to determine effects of relative size and placement location of endoluminal stents on incidence of complications and survival for canine tracheal collapse. Measurements were obtained on lateral radiographs before and after stenting to determine percent of the trachea occupied by the stent. These values were monitored over time and compared to complication rates and survival. Overall median survival time was 502 days. Six month survival rate was 78%, 1 yr survival was 60%, and 2 yr survival was 26%...
May 2017: Journal of the American Animal Hospital Association
https://www.readbyqxmd.com/read/28237561/evolution-of-endoscopic-treatment-of-sleeve-gastrectomy-leaks-from-partially-covered-to-long-fully-covered-stents
#4
Fabio Garofalo, Maxime Noreau-Nguyen, Ronald Denis, Henri Atlas, Pierre Garneau, Radu Pescarus
BACKGROUND: Laparoscopic sleeve gastrectomy (SG) has become a widely accepted option in the treatment of morbid obesity. Gastric leaks after SG occur in .9%-2.2% of the patients, mostly at the gastroesophageal junction. The current treatment algorithm includes drainage, antibiotics, nutritional support, and endoluminal control. OBJECTIVES: Our hypothesis is that long, fully covered stents represent a safe, effective solution for SG leaks. SETTING: University hospital...
December 26, 2016: Surgery for Obesity and related Diseases: Official Journal of the American Society for Bariatric Surgery
https://www.readbyqxmd.com/read/28068871/predilation-technique-with-balloon-angioplasty-to-facilitate-percutaneous-groin-access-of-large-size-sheath-through-scar-tissue
#5
Felice Pecoraro, Mayur Krishnaswamy, Johnny Steuer, Gilbert Puippe, Nicola Mangialardi, Thomas Pfammatter, Zoran Rancic, Frank J Veith, Neal S Cayne, Mario Lachat
Purpose Percutaneous remote access for endovascular aortic repair is an advantageous alternative to open access. Previous surgery in the femoral region and the presence of synthetic vascular grafts in the femoral/iliac arteries represent major limitations to percutaneous remote access. The aim of this study was to evaluate an original technique used for enabling percutaneous remote access for thoracic or abdominal endovascular aortic repair in patients with scar tissue and/or a vascular graft in the groin. Methods Twenty-five consecutive patients with a thoracic (11/25; 44%) or an aortic aneurysm (14/25; 66%) and with a synthetic vascular graft in the groin (16/25; 64%) or a redo groin access (9/25; 36%) were managed through the percutaneous remote access...
January 1, 2017: Vascular
https://www.readbyqxmd.com/read/28032656/endoscopic-ultrasonography-guided-drainage-of-pancreatic-fluid-collections
#6
REVIEW
Tiing Leong Ang, Anthony Y B Teoh
Endoscopic ultrasound (EUS)-guided drainage is now firmly established as the best option for drainage of walled-off pancreatic fluid collections (PFC). It has high clinical efficacy, similar to surgical and percutaneous approaches, but with lower morbidity and costs. It is superior to non-EUS-guided approaches because even collections without endoluminal bulging can be successfully drained. Transmural drainage alone is sufficient for pseudocysts, but in the context of walled-off pancreatic necrosis (WON), adjunctive direct endoscopic necrosectomy (DEN) may be required...
May 2017: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28018512/prevention-of-embolization-in-concomitant-endovascular-therapy-for-thoracic-and-abdominal-aneurysms-with-severely-atheromatous-aorta
#7
Tomohiro Takano, Shinya Takase, Akihito Kagoshima, Hitoshi Yokoyama
A 74-year-old man with multiple aortic aneurysms and shaggy aorta was simultaneously treated by conventional open repair for an abdominal aortic aneurysm and endoluminal stent grafting for a thoracic aortic aneurysm. We performed intermittent clamping of the visceral and carotid arteries under an extracorporeal circulation circuit without a blood flow pump, which lead to the avoidance of embolization in spite of the disadvantage of endoluminal stent grafting for atheromatous aorta.
2016: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/27918636/4d-printing-of-shape-memory-based-personalized-endoluminal-medical-devices
#8
Matt Zarek, Nicola Mansour, Shir Shapira, Daniel Cohn
The convergence of additive manufacturing and shape-morphing materials is promising for the advancement of personalized medical devices. The capability to transform 3D objects from one shape to another, right off the print bed, is known as 4D printing. Shape memory thermosets can be tailored to have a range of thermomechanical properties favorable to medical devices, but processing them is a challenge because they are insoluble and do not flow at any temperature. This study presents here a strategy to capitalize on a series of medical imaging modalities to construct a printable shape memory endoluminal device, exemplified by a tracheal stent...
January 2017: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/27908823/subintimal-recanalization-of-an-occluded-common-iliac-stent-a-case-report
#9
Giuseppe Asciutto, Roberta M Brambilla, Ioannis Bountouris, Martin Malina, Nuno V Dias
The purpose of this report is to describe a minimally invasive alternative endovascular technique for the treatment of chronically occluded stents when it is not possible to cross them endoluminally. A 71-year-old patient with recurrent severe lower limb claudication due to occlusion of a stent placed in the common iliac artery 5 years earlier underwent subintimal recanalization of the stented segment and restenting after failed intraluminal approach. The postoperative computed tomography scan showed that the restented segment was patent with a flattening of the previous stent...
February 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27865144/successful-endovascular-management-of-endoleak-like-phenomenon-following-open-abdominal-aortic-aneurysm-repair
#10
Haider Khan Bangash, Mitra Rahmatzeh, Bibombe P Mwipatayi
INTRODUCTION: Endoleaks are a well-known complication after endovascular aortic repair. Type I endoleak-like phenomenon (also defined as a proximal pseudoaneurysm) post-open abdominal aortic aneurysm (AAA) repair is described as an anastomotic leak causing recurrent pressurization of the original aneurysm sac. It is rare but may result in aneurysmal sac rupture into the peritoneal cavity. REPORT: A 78-year-old man presented with a progressively enlarged aneurysmal sac due to proximal anastomotic degeneration of the proximal suture line associated with an outflow through a patent large lumbar vessel following a previous emergency open AAA repair...
2016: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/27819805/type-iiib-endoleak-associated-with-an-infected-thoracoabdominal-endograft
#11
Nathan T Orr, Michael A Winkler, Eleftherios S Xenos
We present a 63-year-old male patient who presented with vague abdominal pain after an endoluminal thoracoabdominal aneurysm repair. He was found to have an infected endograft and an associated type IIIb endoleak. We believe that the infection contributed to the fabric degradation along the endograft and resulted in an expanding endoleak. Graft explantation was not performed because of the patient's multiple comorbidities, and the endoleak was treated with an additional stent graft and suppressive antibiotics...
September 2016: Innovations: Technology and Techniques in Cardiothoracic and Vascular Surgery
https://www.readbyqxmd.com/read/27815410/type-ii-endoleak-after-endoluminal-repair-of-thoracic-aortic-aneurysm-associated-with-native-coarctation
#12
Pierre Maitrias, Adriane Mage, Denis Belhomme, Thierry Reix
Aneurysm formation and recurrent coarctation are common complications of coarctation repair, and various types of treatment have been described. Native aortic coarctation during adult life is rarer and can be responsible for severe complications. We report an original case of thoracic aortic aneurysm associated with native coarctation successfully treated by a hybrid approach, comprising retrograde implantation of a thoracic stent graft and carotid-axillary bypass graft. A large intercostal collateral was embolized with coils...
November 3, 2016: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/27799376/thrombogenicity-of-flow-diverters-in-an-ex-vivo-shunt-model-effect-of-phosphorylcholine-surface-modification
#13
Matthew W Hagen, Gaurav Girdhar, John Wainwright, Monica T Hinds
BACKGROUND: Flow diverters offer a promising treatment for cerebral aneurysms. However, they have associated thromboembolic risks, mandating chronic dual antiplatelet therapy (DAPT). Shield Technology is a phosphorylcholine surface modification of the Pipeline Embolization Device (PED) flow diverter, which has shown significant reductions in material thrombogenicity in vitro. OBJECTIVE: To compare the thrombogenicity of PED, PED with Shield Technology (PED+Shield), and the Flow-Redirection Endoluminal Device (FRED)-with and without single antiplatelet therapy and DAPT-under physiological flow...
October 31, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27798324/intentional-subintimal-carotid-stenting-of-internal-carotid-dissection-in-a-patient-with-acute-ischaemic-stroke
#14
Nicola Limbucci, Sergio Nappini, Andrea Rosi, Leonardo Renieri, Arturo Consoli, Salvatore Mangiafico
Carotid artery dissection is a common cause of juvenile stroke. Endovascular treatment of acute stroke due to carotid dissection can be challenging, and endoluminal crossing of the dissection is sometimes impossible. We describe a case of intentional subintimal recanalisation of a cervical carotid dissection followed by intracranial thrombectomy and stenting. We report the case of a young woman with severe acute ischaemic stroke due to carotid artery dissection and intracranial embolism. After failure of endoluminal crossing of the dissected segment, intentional subintimal crossing with re-entry distally to the dissection was achieved and a stent was deployed...
February 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27766409/laser-tracheobronchoplasty-a-novel-technique-for-the-treatment-of-symptomatic-tracheobronchomalacia
#15
Paul Castellanos, Manjunath Mk, Ihab Atallah
The management of tracheobronchomalacia is a very challenging problem with few treatment options. This study aims to evaluate the outcomes of a novel surgical treatment for membranous tracheobronchomalacia. A consecutive series of patients with tracheobronchomalacia were treated with two to three holmium laser scarring surgeries of the hyperdynamic tracheal and bronchial walls for the purpose of stiffening them through fibrosis. Patients filled out a Dyspnea Index questionnaire before and after treatment. Ten patients were treated for their tracheobronchomalacia with a mean age of 54 years...
March 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/27721923/role-of-surgery-for-colorectal-cancer-in-the-elderly
#16
REVIEW
Antonio Biondi, Marco Vacante, Immacolata Ambrosino, Erika Cristaldi, Giuseppe Pietrapertosa, Francesco Basile
The prevalence of subjects with colorectal cancer is expected to grow in the next future decades and surgery represents the most successful treatment modality for these patients. Anyway, currently elderly subjects undergo less elective surgical procedures than younger patients mainly due to the high rates of postoperative morbidity and mortality. Some authors suggest extensive surgery, including multistage procedures, as carried out in younger patients while others promote less aggressive surgery. In older patients, laparoscopic-assisted colectomy showed a number of advantages compared to conventional open surgery that include lower stress, higher rate of independency after surgery, quicker return to prior activities and a decrease in costs...
September 27, 2016: World Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/27672529/intravascular-ultrasound-for-intracranial-and-extracranial-carotid-artery-stent-placement
#17
Ahmad S Hussain, Namath S Hussain
Intravascular ultrasound (IVUS) can provide valuable information regarding endoluminal morphology. We present the first description of IVUS-guided intracranial and extracranial carotid artery stent placement for arterial dissection. A 41-year-old female with a sudden-onset headache and blurred vision underwent a computed tomography (CT) angiogram imaging that revealed bilateral carotid artery dissections (BCAD) and a left vertebral artery dissection (VAD). Endovascular treatment (EVT) of a long segment right carotid artery dissection (CAD) was performed employing two Carotid WALLSTENT™ Monorails™ (8 x 36 mm, 10 x 31 mm) (Boston Scientific, Marlborough, MA)...
August 10, 2016: Curēus
https://www.readbyqxmd.com/read/27634925/initial-experience-with-a-dual-anchor-stent-for-anastomotic-strictures-after-oesophagectomy
#18
Eitan Podgaetz, Rafael Garza-Castillon, Rafael S Andrade, Jose Vega-Peralta
OBJECTIVES: Benign gastro-oesophageal anastomotic strictures after oesophagectomy can occur in up to 42% of patients. Traditional management includes serial dilations. We report our initial experience with the use of a dual-anchor, lumen-apposing endoluminal stent for the management of recurrent anastomotic strictures after oesophagectomy. METHODS: Retrospective review of patients who underwent 'off label' placement of a dual-anchor stent for recurrent anastomotic strictures...
September 15, 2016: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/27571898/endoscopic-closure-for-full-thickness-gastrointestinal-defects-available-applications-and-emerging-innovations
#19
REVIEW
Nobuyoshi Takeshita, Khek Yu Ho
Full-thickness gastrointestinal defects such as perforation, anastomotic leak, and fistula are severe conditions caused by various types of pathologies. They are more likely to require intensive care and a long hospital stay and have high rates of morbidity and mortality. After intentional full-thickness opening of hollow organs for natural orifice transluminal endoscopic surgery, safe and secure closure is urgently required. The currently available advanced endoscopic closing techniques have a major role in the treatment of full-thickness gastrointestinal defects...
September 2016: Clinical Endoscopy
https://www.readbyqxmd.com/read/27451048/cavernous-carotid-aneurysms-a-new-treatment-paradigm-in-the-era-of-flow-diversion
#20
Daniel M S Raper, Dale Ding, Eric C Peterson, Richard W Crowley, Kenneth C Liu, Nohra Chalouhi, David M Hasan, Aaron S Dumont, Pascal Jabbour, Robert M Starke
Cavernous carotid aneurysms can cause significant symptomatology through mass effect and may rupture, resulting in carotid-cavernous fistula or epistaxis. Traditional treatment options included endovascular or surgical parent vessel occlusion, or embolization; in the last decade, the development of flow-diverting stents has changed the management paradigm for these lesions. Areas covered: In this review, we summarize the natural history, clinical presentation, and evolution of treatment options for cavernous carotid aneurysms and discuss developments likely to influence treatment strategies in the future...
February 2017: Expert Review of Neurotherapeutics
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