Search Results
Results 501 - 550 of 2231
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Kim Jin Hyoung - - 2008
PURPOSE: The authors hypothesized that internally covered stents can reduce the rates of stent migration or mucous retention. The authors performed this study to report their experience with use of a retrievable metallic stent internally coated with silicone in patients with benign or malignant central airway obstructions. MATERIALS AND METHODS: ...
Fairman Ronald M - - 2008
This report summarizes the 30-day and 12-month results of endovascular treatment using the Medtronic Vascular Talent Thoracic Stent Graft System (Medtronic Vascular, Santa Rosa, Calif) for patients with thoracic aortic aneurysms (TAA) who are considered candidates for open surgical repair. The study was a prospective, nonrandomized, multicenter, pivotal trial conducted ...
Chang Robert W - - 2008
Common femoral artery (CFA) endarterectomy with iliac stenting or stent grafting can be an alternative to traditional open surgery in patients with aortoiliac occlusive disease. We report the long-term outcomes of this approach. Patients undergoing CFA endarterectomy with simultaneous iliac stenting/stent grafting between 1997 and 2006 were retrospectively reviewed. Technical ...
Wang Da-ming - - 2008
BACKGROUND: Vertebrobasilar artery stenosis is an important cause of ischemic posterior circulation strokes. This study aimed at evaluating the safety and efficacy of treatment including conservative therapy alone and conservative plus endovascular therapy for elderly patients with symptomatic vertebrobasilar artery stenosis. METHODS: Patients older than 60 years with symptomatic vertebrobasilar ...
James N D - - 2008
AIMS: To re-audit national radiotherapy practice in head and neck cancer to assess the effect of new guidelines. MATERIALS AND METHODS: A two-part electronic audit assessing departmental policies and the management of interruptions was carried out from April to June 2005. All patients commencing treatment within this audit period were ...
Daya M - - 2009
BACKGROUND: The treatment of nostril stenosis is difficult. The aim is to restore facial profile and balance and an adequate airway that is not prone to restenosis. METHODS: Fourteen patients with an age distribution of 18 months to 71 years are presented. The management of the patients involved a surgical ...
Pieniazek Piotr - - 2008
PURPOSE: To develop and prospectively evaluate the safety and efficacy of an algorithm for tailoring neuroprotection devices (NPD) and stent types to the patient/lesion in carotid artery stenting (CAS). METHODS: From November 2002 to October 2007, 499 patients (360 men; mean age 65.2+/-8.4 years, range 36-88) were prospectively enrolled in ...
Chen Chang - - 2008
PURPOSE: A metallic stent for tracheobronchial stenosis provides a possible solution for poststenting complications such as sputum retention. We describe our experience with a novel anatomy-conforming metal stent placement at the carina. DESCRIPTION: A windowed stent was designed to match the tracheobronchial anatomy. The lateral window was used as a ...
Zenteno Marco Antonio - - 2008
OBJECT: The use of intracranial stents in stent-assisted coil embolization is now a current neurosurgical practice worldwide. The clinical utility of these stents in the sole stenting (SS) technique, however, has not been thoroughly described, and the published reports of this experience are scarce. This study was designed to evaluate ...
Pennathur Arjun - - 2008
BACKGROUND: The new generation of expandable plastic esophageal stents (Polyflex; Boston Scientific, Natick, MA), combine the features of plastic and self-expanding metallic stents. The main objective of this study is to evaluate our initial experience with Polyflex expandable stents in the treatment of esophageal disease from two institutions. METHODS: A ...
Gray William A - - 2008
Carotid stenting has been in evolution for the past 15 years. Initially limited by a lack of dedicated equipment, pivotal trials using both dedicated stent technology and embolic protection filters in patients at high risk for surgical endarterectomy have been largely completed, and results have compared favorably to both direct ...
Zacny Jordan - - 2008
Introduction: Many patients present for aortocoronary bypass (ACB) surgery having had previous coronary artery stent placement. Existing literature suggests that previous stent placement is associated with increased mortality after ACB surgery, possibly because of stent-induced endothelial injury, reduced collateral blood flow, or greater technical difficultly.1;2 The objective of this study ...
Ruef Johannes - - 2009
For treatment of complex superficial femoral artery lesions, suitable stent devices are required. The present study details the first long-term results with the long EverFlex nitinol stent. Forty-one EverFlex stents were implanted in 32 patients with either superficial femoral artery occlusions (n = 20) or stenoses (n = 12); mean ...
Cabrini L - - 2008
This article reports two cases of dilatative percutaneous tracheostomy performed on patients treated with double antiplatelet therapy. Both patients had cardiac arrest following myocardial infarction. After primary angioplasty with stent placement, a double antiplatelet therapy was started. Due to poor neurological outcome, dilatative percutaneous tracheostomy was performed on both patients. ...
Muyskens Steve - - 2008
Conduit obstruction is increasingly recognized as a complication of the Sano modified Norwood procedure. We report our experience with stent placement to ameliorate conduit stenoses and prevent premature surgical intervention. Records for all patients having undergone a Sano modified Norwood between September 2003 and December 2006 were reviewed. All patients ...
Qureshi Adnan I - - 2008
OBJECTIVE: To compare the long-term outcomes of treatment of symptomatic intracranial stenosis using primary angioplasty or stent placement. Both primary angioplasty and stent placement have been proposed as treatment modalities, but long-term outcome comparisons are not available. METHODS: We determined rates of technical success and rates of major stroke, second ...
Im Jong Pil - - 2008
BACKGROUNDS AND AIMS: Self-expanding metal stents (SEMS) have been used as a palliative treatment for malignant colorectal obstruction. However, the reports about primary stent patency rate and associated factors have been limited. This study was performed to evaluate clinical outcomes and factors associated with long-term complications and patency of SEMS ...
Selinger C P CP Penine Acute NHS Trust, Greater Manchester, England. - - 2008
Endoscopic oesophageal stent insertion is a widely used procedure to alleviate dysphagia caused by malignant strictures of the oesophagus and gastric cardia. It can, however, be associated with significant complications, mortality and morbidity. This retrospective case note study was undertaken to assess success rates, complications and mortality of oesophageal stenting ...
Kurre W - - 2008
INTRODUCTION: We report our first clinical experience with a CE-marked flexible monorail balloon-expandable stent for treatment of high-grade intracranial stenoses. METHODS: Between April 2006 and November 2007 21 patients with symptomatic intracranial stenoses (>70%) were treated with the PHAROS stent. In seven patients, the procedure was performed during acute stroke ...
Ihnat Daniel M - - 2008
A recent randomized trial suggested nitinol self-expanding stents (SES) were associated with reduced restenosis rates compared with simple percutaneous transluminal angioplasty (PTA). We evaluated our results with superficial femoral artery (SFA) SES to determine whether TransAtlantic InterSociety Consensus (TASC) classification, indication for intervention, patient risk factors, or Society of Vascular ...
Valencia José - - 2008
PURPOSE: Patients undergoing coronary stenting must take dual antiplatelet therapy during a variable period. The combination of chronic oral anticoagulants (COA) with antiplatelet therapy has been related to an increased risk of hemorrhage. The aim of this study was to evaluate the level of the antiplatelet therapy observance in those ...
Sharafuddin Melhem J - - 2008
We assessed the long-term patency of kissing stent reconstruction of the aortoiliac bifurcation and identified variables that may influence it. We retrospectively reviewed our experience with stent-reconstruction procedures of the aortoiliac bifurcation from January 1998 through June 2005. The impact of demographic variables, vascular risk factors, disease location and characteristics, ...
Carrafiello Gianpaolo - - 2008
The purpose of this report is to present our experience in the emergency percutaneous treatment of patients with iatrogenic hepatic arterial injury (IHAI). Seven patients (six men, one woman; age range 19-78 years; mean age 63 years) with IHAI secondary to surgical or percutaneous procedures were treated with endovascular percutaneous ...
Steingruber Iris Eva - - 2008
PURPOSE: To evaluate midterm results of endovascular stent-graft placement for acute Stanford type B dissection (TBD). METHODS: A retrospective review was conducted of 35 consecutive patients who were treated with stent-graft implantation for acute TBD between July 1996 and July 2007. Computed tomographic (CT) volumetric analysis of the true lumen ...
Masci Enzo - - 2008
BACKGROUND: Self-expanding metal stents (SEMSs) are used to treat malignant stenosis of the gastrointestinal (GI) tract, as a safe, feasible, and minimally invasive option for reestablishing luminal patency. However, the literature offers scant prospective data on the clinical outcome of these patients. AIM: To assess the technical success, complications, and ...
Baerlocher Mark Otto - - 2008
OBJECTIVE: Increasing scientific evidence supports the use of self-expanding metallic gastrointestinal (GI) stents. The commonly accepted primary indications are their usefulness as a bridge to surgery and for palliation to avoid surgery. These stents have been shown to have high technical success and low complication rates, leading to improved quality ...
Wexberg Paul - - 2008
We hypothesized that restenosis after coronary stenting is predicted by elevated levels of markers of thrombus formation and inflammation. Plasma levels of representative markers of inflammation, the thrombin and plasmin activation systems and adhesion molecules were measured in 59 patients with stable angina pectoris before, immediately after and 6 hours ...
Ormiston John A - - 2008
This study was conducted to determine whether direct stenting with TAXUS Liberté is noninferior to stenting after pre-dilation. Direct stenting is performed in approximately 30% of patients, but data on clinical and angiographic outcomes with drug-eluting stents are limited. The TAXUS ATLAS DIRECT STENT is a single-arm, multicenter study that ...
Barlow A D - - 2008
PURPOSE: In a bid to reduce waiting times for arteriovenous fistula (AVF) formation we introduced a scheme whereby nephrologists were able to place patients directly on the waiting list for surgery. This study evaluated the quality of these direct referrals and assessed the reduction in waiting times. METHODS: Fifty consecutive ...
Kim Jin Hyoung - - 2008
PURPOSE: To evaluate the clinical efficacy and safety of balloon dilation and stent placement in the treatment of early benign anastomotic strictures after gastric surgery. MATERIALS AND METHODS: From 1997 to 2006, 63 patients with early (< or =3 months) benign anastomotic strictures after gastric surgery underwent fluoroscopic balloon dilation ...
Miglionico Marco - - 2008
OBJECTIVE: To prospectively evaluate the outcome with circulating endothelial progenitor cell (EPC) capture stent implantation in a cohort of consecutive patients with high-risk angiographic and/or clinical features. BACKGROUND: Genous R-stent is a stainless steel coronary stent covered with antibodies specific to EPC's surface antigens, designed to promote the formation of ...
Xu Bo - - 2008
BACKGROUND: Drug-eluting stents (DES) have been shown to significantly reduce clinical events and angiographic restenosis in the treatment of coronary artery disease (CAD). This study was conducted to assess the long-term efficacy and safety of the polymer-based sirolimus-eluting cobalt-chromium Firebird 2 stents in the treatment of patients with CAD. METHODS: ...
Guo Jin-He - - 2008
PURPOSE: To prospectively compare the response to treatment with a self-expandable esophageal stent loaded with iodine 125 ((125)I) seeds for intraluminal brachytherapy versus the response to treatment with a conventional self-expandable covered stent in patients with advanced esophageal cancer. MATERIALS AND METHODS: The study protocol was approved by the institutional ...
Han Xin-Wei - - 2008
PURPOSE: To evaluate the technical success and initial clinical safety and effectiveness of the use of a Y-shaped metallic stent for complex stenoses involving the carina. MATERIALS AND METHODS: Thirty-five consecutive patients with complex tracheobronchial stenoses involving the carina were treated with an integrated self-expandable inverted Y-shaped metallic stent and ...
Hong Hyun Pyo - - 2008
PURPOSE: To evaluate the technical success and clinical efficacy of percutaneously placed self-expandable metallic stents in patients with obstructive jaundice due to hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Fifteen men (mean age, 59.3 years) with obstructive jaundice resulting from HCC were treated with self-expandable metallic stents (28 stents in 19 ...
Makarov Danil V - - 2008
OBJECTIVES: To determine, by systematic review and meta-analysis of all randomized controlled trials examining ureteral stent placement after ureteroscopy, whether the presence or absence of a stent was associated with postoperative complications. METHODS: All randomized clinical trials of ureteral stent placement after ureteroscopy were identified with PubMed. The primary outcome ...
Norris Regina D - - 2008
OBJECTIVES: Ureteral stents commonly cause lower urinary tract and flank discomfort. We evaluated the use of extended release oxybutynin versus phenazopyridine versus placebo for the management of ureteral stent discomfort after ureteroscopy. METHODS: Each of 60 patients who received a unilateral stent after ureteroscopy was given a blister pack containing ...
Nagele Udo - - 2008
OBJECTIVES: Long-term ureteral stenting is used to ensure urinary drainage if a reconstructive approach or a release of an extrinsic obstruction is not possible. In this contribution, a long-term experience with a new full-length, metal indwelling stent is presented. METHODS: Fourteen patients with ureteral obstruction received full metal indwelling stents ...
Elmalik K - - 2008
OBJECTIVE: To examine whether routine ureteric stenting influences outcome of pyeloplasty for pelvi-ureteric junction obstruction (PUJO). PATIENTS AND METHODS: A 10-year review was conducted of 105 consecutive open Anderson-Hynes dismembered pyeloplasties performed for PUJO, covering two periods: (1) pyeloplasties performed without ureteric stents (1994-1998) and (2) pyeloplasties performed with ureteric ...
Gottardi Roman R Department of Cardiothoracic Surgery, University of Vienna Medical School, Vienna, - - 2008
To determine mid-term durability of endovascular stent-graft placement in patients with penetrating atherosclerotic ulcers (PAU) involving the thoracic aorta and to identify risk factors for death as well as early and late cardiovascular events. From 1997 to 2006, 27 patients (mean age 66 yrs) presented with PAU (rupture n=7). Mean ...
Brinker Jeff - - 2008
Bypass surgery has been shown to prolong life in patients with significant left main stenosis compared with medical therapy and is the current standard of care. Recent registry data suggest that stenting may offer intermediate-term results similar to surgery, although with a greater need for repeat revascularization. Drug-eluting stents appear ...
Antón-Pacheco Juan L - - 2008
OBJECTIVE: Tracheobronchial obstruction is infrequent in the pediatric age group but it is associated with significant morbidity and mortality. The purpose of this study is to review the results of a single institution experience with endoscopic stent placement in children with benign tracheobronchial obstruction, and with special concern on safety ...
Tuebergen Dirk - - 2008
BACKGROUND: Intra-thoracic esophageal leakage after esophageal resection or esophageal perforation is a life-threatening event. The objective of this non-randomized observational study was to evaluate the effects of endoluminal stent treatment in patients with esophageal anastomotic leakages or perforations in a single tertiary care center. METHODS: Thirty-two consecutive patients with an ...
Rhee Sang Jae - - 2008
Recently, the number of patients in whom a drug-eluting stent (DES) has recently been implanted and who need to undergo surgery or the most invasive procedure is increasing. However, there are limited data about the risk of perioperative thrombosis of DES. We evaluated the incidence and the risk factors of ...
Small Aaron J - - 2008
BACKGROUND: Self-expandable metal stents (SEMSs) are accepted palliation for malignant colon obstruction. Outcomes of different stent types is unknown. OBJECTIVE: Our purpose was to compare outcomes after palliative placement of the Enteral Wallstent (EW) and the Precision Colonic Ultraflex (PCU) stent. DESIGN: Retrospective study of all SEMS placement during a ...
Kahaleh Michel - - 2008
BACKGROUND: Benign biliary strictures (BBS) are usually managed with plastic stents, whereas placement of uncovered metallic stents has been associated with failure related to mucosal hyperplasia. OBJECTIVE: We analyzed the efficacy and safety of temporary placement of a covered self-expanding metal stent (CSEMS) in BBS. DESIGN: Patients with BBS received ...
Peynircio─člu Bora - - 2008
PURPOSE: To retrospectively evaluate peripheral arterial lesions treated with stent-grafts in various territories and to identify the role of computed tomography angiography (CTA), both in diagnosis and follow-up. MATERIALS AND METHODS: The study included 19 patients (11 male, 8 female) aged between 24 and 85 years. In all, 24 stent-grafts ...
Sur Roger L - - 2008
PURPOSE: Previous studies suggest that intravesical administration of nonsteroidal anti-inflammatory drugs may reduce the troublesome voiding symptoms and pain related to ureteral stenting. The objective of this study was to investigate the effectiveness of a long-acting local anesthetic, ropivacaine, injected submucosally into the bladder to control ureteral stent-associated symptoms. MATERIALS ...
Swanson Neil - - 2008
OBJECTIVES: Pericardial effusion associated with malignancy is a life-threatening complication of late-stage disease. While simple drainage is effective in relieving the symptoms, reaccumulation of effusion may cause further symptomatic episodes, often during a period when overall patient management is focused on improving the quality of remaining life. Over a 16-year ...
Kogure H - - 2008
BACKGROUND: Anomalous pancreaticobiliary junction (APBJ) is associated with pancreaticobiliary cancer. Limited data are available on endoscopic biliary drainage for unresectable malignant biliary obstruction with APBJ. This study evaluated the efficacy and safety of self-expandable metallic stents (EMSs) for the management of malignant biliary obstruction with APBJ. METHODS: Between 1993 and ...
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