Search Results
Results 301 - 350 of 2231
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Mickelson Jennie J - - 2009
PURPOSE: Stomal stenosis in patients with catheterizable channels can be a difficult problem that is managed by surgical revision or dilation. The L stent is a short, knotted catheter that lies flush with skin. The stent is used for any stomal narrowing, typically overnight for several days. The stent bridges ...
Osman Tarek - - 2010
PURPOSE: To evaluate temporary double J ureteric stenting (TDJS) as a test to diagnose ureteropelvic junction obstruction (UPJO) in equivocal cases. MATERIALS AND METHODS: One hundred and nine consecutive adult patients with loin pain and ipsilateral equivocal UPJO (EqUPJO) on radioisotope diuretic renogram (RDR) were enrolled in the present study. ...
VanderBrink Brian A - - 2009
OBJECTIVES: To review our experience using the Kidney Internal Splint/Stent (KISS) (Cook Medical, Bloomington, IN) to provide drainage after pyeloplasty. The KISS combines the attributes of nephrostomy tube diversion and anastomotic stent in a single tube. Since its initial description in 1993, additional reports on its use are limited. METHODS: ...
Wang Zhongmin - - 2009
Many patients with malignant gastroduodenal obstruction have an unresectable primary lesion and distant metastases, which may prompt palliative management to allow the patient to eat and to improve the quality of life. Intraluminal metallic stent implantation (MSI) under fluoroscopic guidance has been reported to be an effective option for symptomatic ...
Murakami Daisuke - - 2009
BACKGROUND: There is a hypothesis that advanced neointimal stent coverage may protect against stent thrombosis. In the present study, differences in neointimal growth and prevalence of in-stent thrombus between paclitaxel- and sirolimus-eluting stent (PES and SES) were evaluated by optical coherence tomography (OCT). METHODS AND RESULTS: Follow-up angiographic and OCT ...
Sweeney Danielle D - - 2009
We present the first reported complication of the Silhouette, (Applied Medical, Santa Margarita, CA) 4 Fr. soft, nitinol coil-reinforced double-J ureteral stent, that is specifically related to its unique construct and design. These novel ureteral stents were placed in a medically unstable patient with bilateral partially obstructing proximal ureteral calculi. ...
Dai Y Y - - 2009
BACKGROUND: Oesophageal anastomotic leakage is associated with considerable morbidity and mortality. The aim of the present study was to assess the feasibility of using temporary self-expanding plastic stents to treat postoperative oesophageal leaks. METHODS: Patients with anastomotic leakage after abdominothoracic oesophagectomy treated by endoscopic insertion of self-expanding plastic stents between ...
Nam Hae-Seong - - 2009
BACKGROUND: The Y-shaped structure of the carinal bifurcation causes difficulties in the treatment of carinal stenosis. We describe a new Y-shaped silicone stent, called the Natural Y stent. We investigated its clinical efficacy through a review of patients with benign carinal stenosis who undewent consecutive Natural Y stent placement. METHODS: ...
Deloose Koen - - 2009
AIMS: The study investigates the safety and efficacy of primary stenting of infrapopliteal lesions using the Chromis Deep stent (Invatec, Roncadelle, Italy) in patients presenting with critical limb ischaemia (CLI). METHODS AND RESULTS: Fifty patients with infrapopliteal arterial occlusive disease were included in the study from March until November 2007. ...
Xiao Lianxiang - - 2009
Feasibility and efficacy of sequentially performed endovascular stenting and Iodine-125 brachytherapy for malignant superior vena cava syndrome (SVCS) were evaluated. Thirty-four patients with malignant SVCS caused by NSCLC underwent sequential treatment of endovascular stenting and Iodine-125 brachytherapy. SVCS was diagnosed in all patients by CT images or vena-cavography. Pathology diagnosis ...
Bower Matthew - - 2009
BACKGROUND: Perioperative nutrition remains a significant problem in patients undergoing neoadjuvant treatment for esophageal cancer. The aim of this study was to evaluate the effectiveness of esophageal stenting, feeding tube placement, or observation among esophageal cancer patients receiving neoadjuvant therapy. METHODS AND MATERIALS: A review of our prospectively maintained database ...
Uitdehaag Madeleen J - - 2009
BACKGROUND: The majority of the currently available metal stents are partially covered to reduce migration risk. However, one of the remaining issues is tissue ingrowth through the uncovered stent parts. OBJECTIVE: To determine efficacy, recurrent dysphagia, and complications of a fully covered stent, ie, the Alimaxx-E stent, and to compare ...
Cho Yu Kyung YK Division of Gastroenterology, Department of Internal Medicine, The Catholic University of Korea, Seoul St. Mary's Hospital, 505 Banpodong, Seochogu, Seoul 137-040, South - - 2009
To examine the technical feasibility and clinical outcomes of the endoscopic insertion of a self-expandable metal stent (SEMS) for the palliation of a malignant anastomotic stricture caused by recurrent gastric cancer. The medical records of patients, who had obstructive symptoms caused by a malignant anastomotic stricture after gastric surgery and ...
Jung Min Kyu - - 2010
BACKGROUND: The placement of self-expanding metal stents (SEMS) is a safe and effective definitive procedure for the palliation of malignant colorectal obstruction. In this study, the clinical outcomes, including the technical and clinical success rates, and the risk factors associated with the long-term outcomes of palliative SEMS were evaluated. METHODS: ...
Aslan Sundus - - 2009
CONCLUSION: Prolene is cheap, effective, and readily available in almost all operating theaters. It might be used successfully in endoscopic dacryocystorhinostomy and is promising as an alternative to silicone stent intubations, especially in settings with limited resources. OBJECTIVE: To evaluate the clinical efficacy and results of stenting with polypropylene (Prolene; ...
Fabre Dominique - - 2009
OBJECTIVE: Airway replacement after long-segment tracheal resection for benign and malignant disease remains a challenging problem because of the lack of a substitute conduit. Ideally, an airway substitute should be well vascularized, rigid, and autologous to avoid infections, airway stenosis, and the need for immunosuppression. We report the development of ...
Aksu C - - 2009
BACKGROUND: Chronic mesenteric ischemia (CMI) is a life-threatening disorder, which is usually associated with stenosis or occlusion of celiac or mesenteric arteries. PURPOSE: To review our experience and to assess short-term results of stent placement in stenotic mesenteric arteries. MATERIAL AND METHODS: Primary stent placement was performed in 15 patients ...
Kim Jin Hyoung - - 2009
OBJECTIVE: The purpose of this study was to compare, focusing on colonic perforation and stent migration, the clinical safety and efficacy of dual-design expandable colorectal stents with flared ends with those of stents with bent ends in the treatment of patients with malignant colorectal obstruction. SUBJECTS AND METHODS: A total ...
Ghazanfar Shahriyar - - 2009
To evaluate the symptomatic relief of dysphagia after stenting in patients with carcinoma esophagus A prospective non randomized descriptive study was conducted at Surgical Unit 4, Civil Hospital Karachi, Pakistan over a period of 1 year, from August 2006 to July 2007. A total of 41 patients with biopsy proven ...
Yang Ki Young - - 2009
BACKGROUND: The conformability of uncovered self-expandable metal stents (SEMSs) plays an important role in maintaining stent patency. However, whether increased conformability can prolong the duration of SEMS patency remains to be proved. OBJECTIVE: The aim of this study was to examine the efficacy and complication rates of the Niti-D biliary ...
Beule Achim G - - 2009
This study is an evaluation of wound healing in an animal model for surgery of frontal sinusitis and treatment effect of topically released dexamethasone using a drug-releasing stent with special emphasis of osteoneogenesis. A prospective, controlled, randomized, double-blinded animal study was performed. Nineteen New Zealand white rabbits were subjected to ...
Burgos F J - - 2009
OBJECTIVE: To evaluate the safety and efficacy of nitinol stents and the Detour extra-anatomical ureteral bypass graft in treatment of ureteral stenosis after kidney transplantation. PATIENTS AND METHODS: Eighteen kidney transplant recipients with complex stenosis caused by failure of primary treatment or with high surgical risk or a poorly functioning ...
Chan Micah R - - 2009
Endovascular stents have recently been shown to extend access patency in thrombosed and stenotic arteriovenous grafts (AVG). Concern remains over the frequency and severity of in-stent restenosis, though this has not been rigorously defined to date. The study was a retrospective analysis of hemodialysis patients referred for access dysfunction during ...
Ornellas Laura C - - 2009
BACKGROUND: Covered self-expandable metallic stents (SEMSs) are designed to prevent tumor ingrowth and can be removed if necessary. Only limited comparative data are available on the performance of covered SEMSs after primary placement versus reintervention. OBJECTIVE: To assess the effectiveness and safety of covered SEMS placement either as primary treatment ...
Yahia Abutaher M - - 2010
BACKGROUND: The incidence of thromboembolic events associated with Neuroform stent (Boston Scientific Target, Fremont, CA) is known from previous studies but there are uncertainties of scale. PURPOSE: To report our rate of ischemic events associated with Neuroform stent. METHODS: Consecutive patients treated with Neuroform stent for intracranial aneurysms were prospectively ...
Suh Jung Pil - - 2010
BACKGROUND: Self-expandable metallic stent (SEMS) for malignant colorectal obstruction is widely used in palliative treatment and as an alternative to surgery. The aims of this study are to evaluate the effectiveness of stent placement for palliative treatment and to identify the predictive factors associated with stent occlusion. METHODS: A retrospective ...
Adler Douglas G - - 2009
BACKGROUND: Patients with locally advanced esophageal cancer who require neoadjuvant therapy have significant dysphagia. OBJECTIVES: To prospectively evaluate Polyflex stents to treat malignant dysphagia and to ameliorate weight loss in patients with locally advanced esophageal cancer who will undergo neoadjuvant therapy. DESIGN: A prospective nonrandomized study. SETTING: Tertiary-referral cancer center. ...
Yoon Won Jae - - 2009
BACKGROUND: In countries where ERCP costs are low relative to those of metal stents (eg, Korea), initial endoscopic retrograde biliary drainage (ERBD) with a plastic stent is thought to be more economical. OBJECTIVE: We conducted this study to compare metal and plastic stent-based ERBD in efficacy, complications, and total cost ...
Mahajan Anshu - - 2009
BACKGROUND: Benign biliary strictures (BBS) have been endoscopically managed with placement of multiple plastic stents. Uncovered metal stents have been associated with mucosal hyperplasia and partially covered self-expandable metal stents with migration. Recently, fully covered self-expandable metal stents (CSEMSs) with anchoring fins have become available. OBJECTIVE: Our purpose was to ...
Isayama Hiroyuki - - 2010
BACKGROUND: The covered metallic stent is effective for managing malignant distal biliary obstructions. The most popular covered metallic stent is the covered Wallstent (CWS). This study estimated the efficacy and safety of a new expanded polytetrafluoroethylene (e-PTFE)-covered nitinol metallic stent, the ComVi stent. This covered metallic stent consists of an ...
Krokidis Miltiadis - - 2010
To compare clinical effectiveness of Viabil-covered stents versus uncovered metallic Wallstents, for palliation of malignant jaundice due to extrahepatic cholangiocarcinoma, 60 patients were enrolled in a prospective and randomized study. In half of the patients a bare Wallstent was used, and in the other half a Viabil biliary stent. Patients ...
Halbfass Philipp - - 2009
The aim of this study was to evaluate the rate of bleeding, thromboembolic complications, and the rate of stent thrombosis or restenosis in patients with atrial fibrillation (AF) undergoing percutaneous coronary intervention (PCI). In this retrospective analysis, we included patients with AF who underwent PCI with stent implantation from 2003 ...
Bosiers Marc - - 2009
PURPOSE: To evaluate the long-term efficacy and integrity of the PROTEGE EverFlex stent in superficial femoral artery (SFA) lesions in symptomatic patients with peripheral artery disease (PAD). METHODS: A prospective, multicenter, nonrandomized study enrolled 151 subjects (111 men; mean age 67.8 years, range 42-93) undergoing percutaneous treatment of de novo, ...
Biondi-Zoccai Giuseppe G L - - 2009
PURPOSE: To report a systematic review of the literature published on the outcomes of stenting for below-the-knee disease in patients with critical limb ischemia (CLI). METHODS: Potentially relevant studies of stent implantation in the infragenicular arteries in >or=5 patients with >or=1-month follow-up were systematically sought in BioMedCentral, ClinicalTrials.gov, The Cochrane ...
Farraj Nahel - - 2009
OBJECTIVE: The treatment of long superficial femoral artery (SFA) chronic total occlusions (CTOs) remains controversial. There are several percutaneous treatment options available for the recanalization of these lesions. Percutaneous transluminal angioplasty (PTA) alone, nitinol stents, and expanded PTFE-lined nitinol stents are all viable treatment alternatives to femoral-popliteal bypass surgery. There ...
Noorani Ayesha - - 2009
PURPOSE: To compare the perioperative morbidity and mortality following endovascular aneurysm repair (EVAR) with a bifurcated stent-graft versus an aortomonoiliac stent-graft combined with a femorofemoral crossover graft. METHODS: A prospectively maintained database of patients undergoing EVAR over a 7-year period (January 2001 to June 2008) was interrogated retrospectively to identify ...
Girasis Chrysafios - - 2009
AIMS: To report long-term outcome data on the V technique using drug-eluting stents. METHODS AND RESULTS: From April 2002 to December 2006, 31 consecutive patients were successfully treated with V stenting of a de novo bifurcation lesion. The technique involves the deployment of two stents in the two branches of ...
Acher Peter L - - 2009
INTRODUCTION: Pyeloplasty is a standard and highly successful treatment for ureteropelvic junction obstruction. However, stenosis is a late complication causing symptom recurrence. The purpose of this study was to evaluate the use of holmium laser stenosis incision-"laser endopyelotomy"-to manage this. PATIENTS AND METHODS: Fifteen adult patients were referred for loin ...
Park Do Hyun do - - 2009
BACKGROUND: Endoscopic management of malignant hilar biliary strictures is difficult even for an experienced endoscopist. Moreover, endoscopic placement of bilateral metal stents is considered very difficult and complicated. OBJECTIVE: We explored the feasibility and efficacy of the placement of a newly designed metal stent for an endoscopic bilateral stent-in-stent procedure ...
Peters Stefan - - 2009
INTRODUCTION: Orally administered angiotensin receptor antagonists administered after bare-metal stent implantation and even after drug-eluting stent implantation seem to lower in-stent restenosis rates.Whether valsartan-eluting stents are similarly effective was tested here in a first-in-man trial. MATERIALS AND METHODS: The efficacy of a polymer-free drug-eluting stent coated with 300 mcg valsartan ...
Dahlstrand Ursula - - 2009
Effective bile duct drainage is crucial to the health-related quality of life of patients with jaundice caused by obstruction of the bile duct by inoperable malignant tumours. All patients who were treated at Uppsala University Hospital, Sweden with percutaneous stenting between 2000 and 2005 were identified retrospectively. Data on the ...
Kukreja Neville N Thoraxcenter, Erasmus Medical Center, Rotterdam, The - - 2009
We aimed to evaluate the risk of definite stent thrombosis with bare-metal stents (BMS) and drug-eluting stents (DES) in patients treated for acute coronary syndromes. Acute coronary syndromes (ACS) have been reported as increasing the risk for stent thrombosis. Between January 2000 and December 2005, 5,816 consecutive patients underwent percutaneous ...
Kariya Shuji - - 2009
The purpose of the present study was to evaluate the clinical outcome of peripheral stent placement after failed balloon angioplasty in patients with grafts who are on hemodialysis. We examined 30 Wallstents that were placed in 26 patients because balloon angioplasty failed or early restenosis (<3 months) occurred within 3 ...
Chahal Prabhleen - - 2009
BACKGROUND & AIMS: Prophylactic placement of pancreatic duct (PD) stents reduces the risk of post-endoscopic retrograde cholangiopancreatography pancreatitis (PEP) in high-risk patients. Some endoscopists prefer longer length, unflanged 3Fr PD stents because they are supposedly more effective and have a higher rate of spontaneous dislodgement; we compared outcomes of patients ...
Bax Liesbeth - - 2009
BACKGROUND: Little is known about the efficacy and safety of renal artery stenting in patients with atherosclerotic renal artery stenosis (ARAS) and impaired renal function. OBJECTIVE: To determine the efficacy and safety of stent placement in patients with ARAS and impaired renal function. DESIGN: Randomized clinical trial. Randomization was centralized ...
Jeon S R - - 2009
BACKGROUND AND STUDY AIMS: The aim of this study in canines was to investigate the effectiveness and safety of self-expandable metal stents, which were coated with paclitaxel to minimize the tissue response. MATERIALS AND METHODS: 14 dogs (5-10 kg) were randomly allocated to two groups. Drug-eluting stents (DES, n = ...
Cuisset Thomas - - 2009
OBJECTIVES: We investigated the hypothesis that biological aspirin "resistance" may often be related to noncompliance in patients undergoing coronary stenting. BACKGROUND: Premature discontinuation of antiplatelet therapy has been identified as a major risk factor for stent thrombosis and prior aspirin withdrawal has been associated with poor prognosis after acute coronary ...
Park Kyung Woo - - 2009
BACKGROUND: The everolimus-eluting stent (EES) is a newly developed drug-eluting stent using the MULTILINK VISION stent platform combined with the drug everolimus contained in a polymer coating. Recently reported randomized trials have shown the noninferiority and subsequent superiority of the EES compared with the paclitaxel-eluting stent regarding in-stent late loss ...
Lasala John M - - 2009
AIMS: We report 2-year outcomes in a large unselected drug-eluting stent population (N=7,492) in the TAXUS Express2 ARRIVE post-market surveillance programme (101 U.S. sites). METHODS AND RESULTS: No specific inclusion/exclusion criteria were mandated; patients enrolled at procedure initiation. Two-year follow-up was 94%, with independent adjudication of major cardiac events, monitoring ...
Yoshida Hiroshi - - 2009
BACKGROUND: We compared two types of stents in patients who underwent surgery for hepatic hilar malignancies. METHODS: Twenty-one patients with hepatic hilar malignancies who underwent hepatectomy were randomly assigned to one of two groups. A 5-Fr silicon drain with an internal lumen and side holes was used for the hepaticojejunostomy ...
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