Search Results
Results 351 - 400 of 2226
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Nakagawa Yuya - - 2009
It has been reported that nitinol stents provide higher patency in chronic phase than stainless steel stents after intervention to superficial femoral artery (SFA). However, there are few reports about stent patency for chronic total occlusion of SFA (SFA CTO). To compare clinical outcomes of self-expanding nitinol stents and stainless ...
Carretta Angelo - - 2009
INTRODUCTION: Although surgery remains the gold standard for the treatment of benign tracheal stenosis, airway stenting may be indicated in the event of complex lesions or associated diseases. We retrospectively investigated Montgomery T-tube placement as an alternative or complementary treatment to surgery. METHODS: From January 1984 to March 2008, 158 ...
Regan Stanton M - - 2009
OBJECTIVE: To determine the usefulness of routine stentograms in postoperative management of pediatric patients undergoing excisional tapered ureteral reimplantation. MATERIALS AND METHODS: A retrospective review of all pediatric patients undergoing excisional tapered ureteral reimplantation from March 2003 to March 2008 at one center was performed. One hundred patients were identified. ...
Scheithauer Britta K - - 2009
This study provides a comprehensive survey of the spatial and temporal bacterial composition of biliary stent biofilms. The bacterial diversity, distribution and dynamics of 59 biliary and 4 pancreatic stent communities from 40 patients being treated at two different hospitals, which implant stents either simultaneously or consecutively, were characterized by ...
Hartung O - - 2009
OBJECTIVE: To report the long-term results of stenting for chronic ilio-caval obstructive lesions. MATERIAL AND METHODS: From January 1996 to January 2008, 89 patients (72 women, 17 men; median age 43 years) were admitted for endovascular treatment of chronic disabling non-malignant obstructive ilio-caval lesions. Patients were classified as C2 in ...
Park S I - - 2009
BACKGROUND AND PURPOSE: Little has been known about the clinical and angiographic follow-up results of stent-only therapy for intracranial vertebrobasilar dissecting aneurysms (VBDA). The purpose of this study was to evaluate the feasibility, safety, clinical, and angiographic follow-up of stent-only therapy for VBDA. MATERIALS AND METHODS: Twenty-seven patients with 29 ...
Samady Habib - - 2009
We sought to identify baseline clinical, angiographic, and hemodynamic variables associated with optimal bare-metal stent (BMS) deployment, allowing selection of patients for treatment with BMS. Patients with fractional flow reserve (FFR) >0.90 after BMS have low (<6%) major adverse cardiac event rates (MACE). We hypothesized that baseline variables can predict ...
Han Yaling - - 2009
This study sought to evaluate the safety and efficacy of a biodegradable polymer-coated sirolimus-eluting stent (Excel, JW Medical System, Weihai, China) with 6-month dual antiplatelet therapy in daily practice. It has been hypothesized that persistent presence of polymer may compromise the safety of drug-eluting stents, and that therefore biodegradable polymer ...
Chen Shao-Liang - - 2009
A group of 312 patients who underwent percutaneous coronary intervention for bifurcation lesions at 12 centers in China, Singapore, Thailand, Israel, India, and Japan were enrolled in a prospective, randomized DKCRUSH-1 trial. The goal of the study was to compare the double kissing (DK) crush technique with the classical crush ...
Waksman Ron - - 2009
This study aimed to evaluate the degradation rate and long-term vascular responses to the absorbable metal stent (AMS). The AMS demonstrated feasibility and safety at 4 months in human coronary arteries. The PROGRESS-AMS (Clinical Performance and Angiographic Results of Coronary Stenting) was a prospective, multicenter clinical trial of 63 patients ...
Liatsikos Evangelos N - - 2009
PURPOSE: To examine the safety and compatibility of full-length metal ureteral stent usage with extracorporeal shock wave lithotripsy (SWL). METHODS: Four Resonance ureteral stents and four special Resonance ureteral stents modified to contain thermocouples were placed unilaterally in eight pigs, with contralateral ureter of each pig serving as its own ...
Siersema P D - - 2009
Benign esophageal strictures are a common problem in endoscopic practice. The predominant symptom of patients is dysphagia. The initial treatment option for a benign esophageal stricture is dilation. A subgroup of strictures, i. e., those that are long (> 2 cm), tortuous, and have a narrow diameter, tend to recur ...
Ziakas Alphantonios - - 2009
BACKGROUND: The levels of interleukin-6 (IL-6), white blood cells (WBCs), and some inflammatory-sensitive proteins (ISPs), such as fibrinogen (FIB) and C-reactive protein (CRP), have been related to coronary stent restenosis. The aim was to investigate the time course of the levels of IL-6, WBC, and several ISPs, i.e. FIB, CRP, ...
Lopez Manuel - - 2009
PURPOSE: The aim of this study was to report our initial experience with laparoscopic pyeloplasty (LP) in children with pelviureteric junction (PUJ) obstruction and describe the evolution and evaluate the results. MATERIALS AND METHODS: We retrospectively reviewed the records of 32 consecutive infants and children with unilateral ureteropelvic junction obstruction ...
Byrne Robert A - - 2009
We sought to assess changes in antirestenotic efficacy of drug-eluting stents (DES) by restudying subjects at 2 time points after coronary stenting (6 to 8 months and 2 years) and to compare differences in time courses of late luminal loss (LLL) between 3 different DES platforms in use at our ...
Ben-Dor Itsik - - 2009
Drug-eluting stents were designed to reduce neointimal hyperplasia and thus diminish the likelihood of coronary restenosis. They may, however, carry long-term risks such as delayed stent endothelization and arterial healing. Here we report a case of late stent thrombosis in a drug-eluting stent in the perioperative period after abdominal surgery ...
Overtoom Timotheus T C - - 2009
We describe a new method for treating ureteropelvic junction (UPJ) obstruction using a detachable inflatable stent positioned via a cystoscopic transvesicular approach. Eleven patients with UPJ obstruction were treated using a detachable inflatable stent, 64% of whom experienced complete pain relief. In 82% of patients, no obstruction was seen on ...
Cho Yu Kyung - - 2010
The aim of this study was to assess clinical outcomes of endoscopic stenting for a gastric outlet obstruction caused by gastric cancer and the prognostic factors for stent patency by reviewing medical records. Eighty-one stents were inserted into 75 patients (48 men, average age 66 years). The technical and clinical ...
Chang G-qi - - 2009
OBJECTIVE: The objective of this study was to summarise data about endovascular stent-graft placement for patients with type B aortic dissection (type B-AD) in China. METHODS: All published series in Chinese on endovascular stent-graft placement for type B-AD from 1999 through 2008 were identified. Thirty-five studies, involving a total of ...
Donas K P - - 2009
PURPOSE: To evaluate the effectiveness of nitinol stent placement in long infrapopliteal lesions in patients with critical limb ischaemia. MATERIALS AND METHODS: Between January 2005 and January 2008, 34 high-risk patients (18 female; mean age: 73.8+/-6.1 years) with critical limb ischaemia underwent infragenicular stenting. They had serious cardiovascular co-morbidities (>3, ...
Eisenberg Mark J - - 2009
BACKGROUND: Antiplatelet therapy is often discontinued in patients with drug-eluting stents who are undergoing surgical procedures. However, discontinuation of antiplatelet therapy is an important risk factor for late stent thrombosis. Our objective was to examine the safety of short-term discontinuation of antiplatelet therapy. METHODS AND RESULTS: We systematically searched Medline ...
Park Hye Yun - - 2009
BACKGROUND AND OBJECTIVE: The treatment choice for post-intubation tracheal stenosis (PITS) in patients for whom surgery is not initially feasible is bronchoscopic silicone stenting. A new silicone stent, called the Natural stent (N stent), was investigated for its clinical efficacy and safety in patients with PITS. METHODS: A retrospective review ...
Lee Byung-Hee - - 2009
OBJECT: Ruptured blood blister-like aneurysms (BBAs) of the internal carotid artery (ICA) are rare but carry a high rate of morbidity and mortality. Furthermore, BBAs are very difficult to treat surgically as well as endovascularly. The authors present their experience in treating BBAs with reconstructive endovascular methods. METHODS: Nine ruptured ...
Canepa Giorgio - - 2009
OBJECTIVES: Stent-less procedure following ureterolithotripsy needs a definition for patient selection and procedure criteria. To mediate stenting versus no stenting, a retrospective study was performed to evaluate the insertion of an ureteral open-tip catheter for 24 hours. MATERIAL AND METHOD: From 2002 to 2006 255 ureterolithotripsy were performed (176 male ...
Dean Jia - - 2009
BACKGROUND: Although a science advisory recommending 12 months of dual antiplatelet therapy after drug-eluting stents implantation was published recently, the optimal duration of dual antiplatelet therapy has not yet been precisely determined. HYPOTHESIS: Prolonged dual antiplatelet therapy can improve clinical outcomes in high-risk patients implanted with sirolimus-eluting stents. METHODS: The ...
Verheye Stefan - - 2009
AIMS: We report the acute and 30 day results of the OPEN I study, a multicentre prospective single arm study evaluating the safety and feasibility of the Stentys bifurcation stent. METHODS AND RESULTS: The Stentys stent is a provisional, self-expanding nitinol drug eluting or bare metal stent with small interconnections ...
Berkefeld Joachim - - 2009
The purpose of this review article is to give an overview of the current development of intracranial stenting for treatment of atherosclerotic stenoses. Natural history and methods for diagnostic imaging are described as basis for the indication for endovascular treatment. Target group are patients with high-grade symptomatic stenoses > 70%. ...
Steinwender Clemens - - 2009
AIMS: This study sought to investigate the incidence of stent thrombosis (ST) in patients treated with drug-eluting stents (DES) and clearly defined short-term dual antiplatelet therapy (DAT) for three or six months for sirolimus-eluting stents (SES) or paclitaxel-eluting stents (PES), respectively. METHODS AND RESULTS: A series of 1023 consecutive patients ...
Cross Jason - - 2009
Dual antiplatelet therapy with a thienopyridine in combination with aspirin for 1 to 6 months after stenting has been recommended by the manufacturers to reduce ischemic cardiovascular events and thrombosis after coronary stenting, whereas the current leading guidelines recommend dual antiplatelet therapy for 12 months following percutaneous coronary intervention in ...
Kaya Mehmet Gungor - - 2009
OBJECTIVES: We sought to investigate the early and late effects of magnetic resonance imaging (MRI) on stent thrombosis and major adverse coronary events after coronary artery stent (CAS) implantation at a long-term follow-up period. METHODS: Forty-three patients (28 men, mean age 63+/-10 years) who underwent CAS implantation before MRI examination ...
Agnoletti Gabriella - - 2009
AIMS: To compare Cheatham Platinum (CP) stent and Palmaz stent for the treatment of native and postoperative lesions of congenital heart disease (CHD) patients. METHODS AND RESULTS: From January 1998 to December 2007, 96 CP stents and 77 Palmaz stents were implanted in 89 and 64 CHD patients. All stents ...
Tabibian James H - - 2009
BACKGROUND: Over the past decade, ERCP has become the preferred method of treatment for biliary strictures in patients after orthotopic liver transplantation (OLT). Although data strongly support ERCP for treating anastomotic strictures, the little information available for the role of ERCP in the treatment of nonanastomotic strictures (NAS) has been ...
Lee Sang Soo - - 2009
Metallic stents for malignant biliary obstruction are susceptible to occlusion by tumor ingrowth or overgrowth. Paclitaxel-eluting metallic stents (PEMSs), however, may prevent occlusion from tumor ingrowth. We evaluated the safety of PEMSs in a canine biliary model by analyzing tissue reactions by histologic examination. Animal study. Six PEMSs and 5 ...
Russo Robert J - - 2009
BACKGROUND: AVID (Angiography Versus Intravascular ultrasound-Directed stent placement) is a multicenter, randomized controlled trial designed to assess the effect of intravascular ultrasound (IVUS)-directed stent placement on the 12-month rate of target lesion revascularization (TLR). METHODS AND RESULTS: After elective coronary stent placement and an optimal angiographic result (<10% stenosis), 800 ...
Hong Young Joon - - 2011
Aims We used virtual histology-intravascular ultrasound (VH-IVUS) to evaluate the relation between coronary plaque characteristics and no-reflow in acute coronary syndrome (ACS) patients. Methods and results A total of 190 consecutive ACS patients were imaged using VH-IVUS and analysed retrospectively. Angiographic no-reflow was defined as TIMI flow grade 0, 1, ...
Wang Bin - - 2009
PURPOSE: This study aimed to retrospectively analyze a series of patients with complex posterior circulation stenosis who underwent stent-assisted angioplasty to evaluate the feasibility of the procedure and summarize the experience with regard to complications. METHODS: A total of 16 consecutive patients with 27 complex posterior circulation artery stenoses refractory ...
Naitoh Itaru - - 2009
BACKGROUND AND AIM: The extent of liver drainage for palliative treatment of malignant hilar biliary obstruction is controversial. The aim of this study was to compare endoscopic unilateral versus bilateral drainage in patients with malignant hilar biliary obstruction using a self-expanding metal stent (SEMS). METHODS: We carried out a retrospective ...
Liatsikos Evangelos - - 2010
BACKGROUND: The Resonance metallic ureteral stent (Cook Medical, Bloomington, Indiana, USA) has been introduced for the management of extrinsic-etiology ureteral obstruction for time periods up to 12 mo. OBJECTIVE: The current study aims to determine short- and medium-term effectiveness of the Resonance stent in malignant and benign ureteral obstruction. DESIGN, ...
Molina J Ernesto - - 2009
BACKGROUND: Paget-Schroetter syndrome is a serious condition that if not treated promptly and properly leads to severe sequelae and permanent disability. In its late stage, chronic fibrous obliteration of the vein is rarely amenable to surgical treatment, except in very few select cases. METHODS: We treated 126 Paget-Schroetter syndrome patients ...
Higgins David - - 2009
BACKGROUND AND OBJECTIVE: There are several different techniques commonly used to perform percutaneous dilational tracheostomy, and this explains the wide variation in the follow-up data especially with regard to tracheal stenosis. Our aim was to clarify whether tracheal ring fracture (TRF) led to a higher incidence of tracheal stenosis. METHODS: ...
Leung Thomas W - - 2009
BACKGROUND AND PURPOSE: A major concern of intracranial stenting is perforator infarction. It is unclear whether the sustained radial force of a self-expanding stent or subsequent stent restenosis would cause late occlusion of perforators. METHODS: We compared the baseline and poststent (>or=4 months) MRI scans of patients who underwent self-expanding ...
Wang Chung-Jing - - 2009
The purpose of our trial was to evaluate whether stents could be eliminated after uncomplicated ureteroscopic lithotripsy for ureteral stones and the indications of ureteral stent placement. A total of 228 patients underwent uncomplicated ureteroscopic intracorporeal lithotripsy. After the procedures, patients without marked ureteral edema, polypoid change or stent placement ...
Gröschel Klaus - - 2009
BACKGROUND AND PURPOSE: Angioplasty and stenting is increasingly being used for the treatment of intracranial stenoses. Based on a literature search (01/1998 to 04/2008) we sought to determine the immediate and long-term outcomes, as well as the durability of this procedure. SUMMARY OF REVIEW: We identified 31 studies dealing with ...
Koutouzis Michael - - 2010
To evaluate clinical characteristics, treatment and outcomes of patients suffering from recurrent bare metal stent thrombosis (RST). A retrospective evaluation of patients who underwent percutaneous coronary intervention (PCI) with bare metal stent implantation between January 2002 and December 2007 was performed. Patients who experienced more than one in stent thrombotic ...
van Hooft Jeanin E - - 2009
BACKGROUND: Gastric outlet obstruction (GOO) is most commonly a complication of advanced distal gastric, periampullary, or duodenal malignancy. Palliation of obstruction is the primary aim of treatment in most of these patients. Self-expandable metal stents have emerged as an effective treatment option. OBJECTIVE: Our purpose was to investigate the efficacy ...
Maetani Iruru - - 2009
BACKGROUND: Self-expandable metallic stents (SEMSs) are widely used for palliation of malignant gastric outlet obstruction (GOO). A common complication of their use, however, is stent obstruction caused by tumor ingrowth or hyperplasia. The covered SEMS was designed to prevent these problems. OBJECTIVE: We compared the performance of uncovered and covered ...
Rao C - - 2009
Over half of patients diagnosed with esophageal cancer are unsuitable for curative resection. A significant proportion of these patients will subsequently require palliative stenting to alleviate dysphagia. There is growing consensus in the literature that the deployment of a Self-Expanding Metal Stent is the optimum stenting strategy; however, it remains ...
Reza Fatemi - - 2009
Enteral stenting is used increasingly as a palliative treatment of gastrointestinal malignant or non-malignant obstructions. This aim of this study was to evaluate the role of endoscopic stent implantation for palliation of acute colorectal cancer obstruction in critical patients. This study was performed prospectively with 8 patients suffering clinical manifestations ...
Yeung Y P - - 2009
A retrospective study of 39 patients with inoperable distal malignant biliary obstruction (MBO) treated between March 2001 and March 2004 was conducted. There were 20 men and 19 women, and their mean age was 72 years. Eighteen patients were treated with hepatico-jejunostomy (bypass group) and 21 with metal stent (stent ...
Lee Kee Myung - - 2009
BACKGROUND: The placement of self-expandable metallic stents (SEMS) is known to be effective palliative treatment of malignant gastroduodenal obstruction. There are two types of SEMS--covered and uncovered--each with its own advantages and disadvantages. This study was conducted to compare between the clinical outcomes of covered and uncovered stents in patients ...
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