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Results 101 - 150 of 2231
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Liu Kuo-Sheng - - 2011
Despite metallic and silicone stents being effective in treating various airway lesions, many concerns still remain. A bioresorbable stent that scaffolds the airway lumen and dissolves after the remodeling process is completed has advantages over metallic and silicone stents. We designed and fabricated a new mesh-type bioresorbable stent with a ...
Beijk Marcel A M - - 2010
Currently no data exists regarding the outcomes after the novel endothelial progenitor cell capturing stent (EPCcS) placement in bifurcation lesions using a provisional T-stenting. This study evaluates the 1-year clinical outcome in patients treated with the EPCcS for a bifurcation lesion using a provisional T-stenting technique and compared these to ...
Ortega Francisco - - 2011
We analysed the effectiveness of a high intensity behavioural-cognitive intervention compared to minimal intervention started during a hospital stay, to see if the combination of nicotine replacement therapy (NRT) can increase the quitting rate at 12 months of follow up. A total of 2560 active smokers were studied during their ...
Shi Ding D Institute for Biomedical Engineering, Nanjing University of Technology, PO Box 128, 5 Xinmofan Road, Nanjing 210009, Jiangsu Province, - - 2010
To find out whether a newly designed big cup nitinol stent is suitable for treatment of patients with gastric outlet obstruction resulting from gastric cancer. The new stent is composed of a proximal big cup segment (20 mm in length and 48-55 mm in diameter), a middle part (60 mm ...
Trabattoni Daniela - - 2010
The aim of the study was to investigate long-term incidence of stent fractures and patency after femoropopliteal stenting. Sixty consecutive patients (mean age 70 + or - 7 years) were treated with implantation of single (31 patients) or multiple (29 patients) self-expandable nitinol SMART stents (Cordis, Miami, Florida, USA; mean ...
Huang Qian - - 2010
This prospectively randomized controlled study aimed to assess with Doppler ultrasound (US) the shunt function of expanded polytetrafluoroethylene (ePTFE)-covered transjugular intrahepatic portosystemic shunt (TIPS) stent versus bare stent and to evaluate the usefulness of routine TIPS follow-up of ePTFE-covered stents. Sixty consecutive patients were randomized for bare or covered transjugular ...
Shin Eun-Seok - - 2010
The acute impact in vivo from a selfexpanding stent on the vessel wall has not been sufficiently evaluated. We sought to compare acute in vivo injury on the vessel wall and the clinical impact between a self-expanding coronary stent and conventional balloon-expandable stents immediately after stent implantation. We included 40 ...
Tian Xiao-dong - - 2010
Among various treatments preventing vein graft restenosis, external stent is receiving more and more attention. This study aimed to investigate the effect of non-restrictive external stent on the prevention of vein graft restenosis and the potential mechanisms of platelet-derived growth factor (PDGF) in the process of restenosis. Thirty-six "New Zealand ...
Gwon Dong Il - - 2010
To investigate the technical and clinical safety and efficacy of using a newly designed T-configured stent graft for palliative treatment of advanced hilar malignant biliary obstructions. This is a prospective study that enrolled 30 patients who had malignant hilar obstructions from May 2007 to November 2008. All patients were treated ...
Daines Steven Marc - - 2010
To describe a graded approach to repairing vestibular stenosis that involves restoring structural support to the ala. Retrospective review of 5 nostrils in 4 patients who presented to the senior author with vestibular stenosis. The cause was burn injury in 3 patients and congenital in 1 patient. The cornerstone is ...
Kim Sung-Hwan - - 2010
Stenting for bifurcation lesions is still challenging, and the effect of intravascular ultrasound (IVUS) guidance on long-term outcomes has not been evaluated. We assessed the long-term outcomes of IVUS-guided stenting in bifurcation lesions. We evaluated 758 patients with de novo nonleft main coronary bifurcation lesions who underwent stent implantation from ...
Carroll Daniel - - 2010
To determine the efficacy and potential complications of double-J ureteric stents in the treatment of persistent or progressive primary obstructive megaureter in pediatric patients within our institution. A retrospective case-note review of all patients with double-J ureteric stents, between 1997 and 2004, was performed. In all, 38 stents were inserted ...
Lee Sun Ju - - 2010
To evaluate the clinical factors that impact ureteral stent-related lower urinary tract symptoms (LUTS) after ureteroscopic ureterolithotomy, including the stent position and medication. Fifty-three patients who underwent ureteroscopic ureterolithotomy with indwelling a stent were distributed into three groups. On demand analgesics were given to the group 1 (n=18). Daily tamsulosin ...
Lee Byung Ki - - 2010
Determining the ideal length of a ureteric stent is important to avoid complications associated with stent placement. Clinically, most urologists usually choose the length of a ureteric stent according to the patient's height. On the basis of a Chinese population study, a 22 cm ureteric stent has been recommended for ...
Tahara Satoko - - 2010
A potentially adverse vascular response to overlapping drug eluting stents (DES) has been suggested in current research. To evaluate the impact of baseline disease severity at the site of stent overlap. This is a substudy of ODESSA, a prospective, randomised controlled trial designed to evaluate healing of overlapping stents. 71/77 ...
Otake Hiromasa - - 2010
Previous reports have shown the advantage of paclitaxel compared to limus-derivative drugs for the treatment of diabetics. A total of 109 diabetics (115 lesions) treated with everolimus-eluting stents (EESs, n = 58) or paclitaxel-eluting stents (PESs, n = 55) undergoing 8 to 9 months of follow-up 3-dimensional intravascular ultrasound examinations ...
Küçükay Fahrettin - - 2011
PURPOSE To research the effects of triple stenting on primary patency rates and on clinical and biochemical findings in patients with high-level malignant biliary obstruction. MATERIALS AND METHODS We analyzed eight patients who had undergone triple stenting for hilar malignant biliary obstruction, mainly with the percutaneous approach, between January 2009, ...
Boufi Mourad - - 2010
To assess the potential benefit of the addition of a covered stent to a subintimal recanalized artery in patients with femoro-popliteal occlusions. From September 2003 to October 2005, we retrospectively analyzed all patients admitted for severe claudication or critical limb ischemia related to long femoro-popliteal occlusions and treated with subintimal ...
Kozuki Amane - - 2010
Durable polymers used for first-generation drug-eluting stents (DES) potentially contribute to persistent inflammation and late DES thrombosis. The vascular response to the Stellium stent, which is coated with an absorbable polymer for slow release of low-dose paclitaxel, was evaluated in the present study. The 37 patients with stable angina were ...
Demirci Hakan H Department of Ophthalmology, W.K. Kellogg Eye Center, University of Michigan, Ann Arbor, Michigan 48105, - - 2010
To describe an operative technique that deepens foreshortened conjunctival fornices by providing a scaffold for epithelialization that opposes contractile forces during wound healing. Retrospective interventional case series. Seventeen patients with anophthalmic sockets containing foreshortened conjunctival fornices. Conjunctival fornices was reconstructed with stents of expanded polytetrafluoroethylene (e-PTFE) sheet draped over rigid, ...
Waseda Katsuhisa - - 2010
The Resolute stent is a newly developed system with a bio-histocompatible polymer that allows programmed drug delivery up to 180 days. The aim of this intravascular ultrasound (IVUS) analysis was to evaluate the short- (4 months) and mid-term (9 months) efficacy using the Resolute stent. Data were derived from the ...
Zhou Tie - - 2010
Percutaneous nephrolithotomy (PCNL) via single inferior-calyceal tract is suitable for some partial staghorn calculi mainly located in the inferior calyx. A ureteral stent should be inserted at the end of PCNL to avoid urine leakage or ureteral obstruction by residual calculi. However, antegrade ureteral stenting via the inferior calyx is ...
Böckler D - - 2010
The Endurant Stent Graft Natural Selection Global Postmarket Registry (ENGAGE) is a long-term 1200-patient multicenter prospective study initiated to augment the knowledge base (poolable and comparable) about endovascular aortic repair (EVAR) in a real-world population implanted with a single latest-generation stent graft system (Endurant). With enrollment ongoing at 80 high-volume ...
Siddiqui Ali Akbar - - 2010
OBJECTIVE: To determine the safety of self expandable metallic stent (SEMS) placement under endoscopic guidance without fluoroscopy. STUDY DESIGN: Quasi experimental study. PLACE AND DURATION OF STUDY: Section of Gastroenterology and Hepatology, Departments of Medicine, Isra University Hospital and Liaquat University of Medical and Health Sciences (LUMHS), Hyderabad, from April ...
Moon Chang Mo - - 2010
PURPOSE: Stent reocclusion and migration are the most important complications after stent insertion. To overcome both problems, a double-layered combination covered stent was developed. Our purpose was to compare the efficacy and safety of the newly designed double-layered combination covered stent (Niti-S enteral colonic stent, Comvi type) and the double-wire ...
Tiewei Qi - - 2010
Historically, carotid cavernous fistulas (CCFs) are usually treated with detachable balloons and coils. While coronary covered stent grafts have been sporadically used in the intracranial vasculature, only a few such cases have been reported in the literature. We present our experience of seven patients with eight CCFs, treated by the ...
Cauda Valentina - - 2010
We report the first preliminary study on metal-alloy ureteral stent after long indwelling times. The aim is to analyze by physical-chemical characterization of the stent after use and to evaluate the material performance in this human in vivo case study. Six Resonance metallic stents (Cook Ireland) were inserted in six ...
Cevik Ibrahim - - 2010
BACKGROUND AND PURPOSE: Ureteral stent placement after ureteroscopic lithotripsy has some advantages and disadvantages. In this randomized study, the necessity of ureteral stent placement after uncomplicated ureteroscopy for impacted ureteral stones was assessed. MATERIALS AND METHODS: Between 2005 and 2007, 60 evaluable patients were equally randomized to groups with and ...
Fayet B - - 2010
We studied the possibility of placing a new type of monocanalicular nasal intubation under general anesthesia with spontaneous mask ventilation in congenital nasolacrimal duct obstruction. This was a non-randomized study of consecutive cases using a monocanalicular stent called the "pushed Monoka". The benefits of anchoring with meatus fixation are similar ...
Rosa W C M - - 2010
We studied the effect of oral sirolimus, administered to prevent and treat in-stent restenosis (ISR), on the variation of serum levels of inflammatory markers following coronary stenting with bare metal stents. The mean age of the patients was 56 +/- 13 years, 65% were males and all had clinically manifested ...
Lazaraki Georgia - - 2011
This study aimed to investigate the efficacy and safety of placing self-expandable metal stents (SEMSs) without fluoroscopy for palliation of malignant esophageal or esophagogastric strictures. From January 2003 to June 2008, a prospective observational study investigated the placement of covered proximal-release Ultraflex stents without fluoroscopy in nonoperable malignant esophageal and ...
Lawrence Christopher - - 2010
Benign biliary strictures are typically managed endoscopically whereby an increasing size or number of plastic stents is placed at ERCP. Stents are often changed every 3 to 4 months based on the known median patency of a single biliary stent, but patency data for multiple biliary stents are lacking. To ...
Kang Soo-Jin - - 2010
The long-term natural history of acquired malapposition continues to be the subject of debate. Using volumetric intravascular ultrasound analyses, we evaluated serial (poststenting, 6-month, and 2-year follow-up) changes in drug-eluting stent-treated vascular segments with acquired malapposition. External elastic membrane, stent, lumen, malapposition, and peristent plaque+media (P+M=external elastic membrane -stent- malapposition) ...
Lanfranconi S - - 2010
To date, evidence to recommend endovascular treatment in patients with intracranial stenoses is lacking. Recently, the introduction of self-expanding stents (Wingspan Stent System) aroused considerable expectations in their employ for stroke prevention. We report a single-center experience of percutaneous transluminal angioplasty and stenting in a series of consecutive patients with ...
Kim Sue Yon - - 2010
PURPOSE: To evaluate the effectiveness of radiologic placement of uncovered stents for the treatment of malignant colorectal obstruction. MATERIALS AND METHODS: From May 2003 to January 2008, 116 radiologic placements of uncovered stents were attempted in 99 patients (M:F, 59:40; mean age, 65 years) with malignant colorectal obstructions. The location ...
Cho Jae Hee - - 2011
The self-expandable metallic stent (SEMS) has been widely used for unresectable malignant biliary obstruction but eventually becomes occluded by tumor ingrowth/overgrowth and sludge. Therefore, we aimed to determine the therapeutic effectiveness of secondary stents and to find differences according to various combinations of the first and second stents for the ...
Gargouri Dalila - - 2010
BACKGROUND: Endoscopic stent insertion is as a method of choice for palliative treatment of malignant biliary strictures. Two types of biliary stent were actually used plastic and metallic self-expandable. Occlusion of the stent can be observed in both. AIM: To assess the management of biliary stent occlusion. METHODS: From january ...
Shukla Parul J - - 2010
OBJECTIVES: Despite strategies aimed at reducing a postoperative pancreatic fistula (POPF) after pancreatectomies, the overall incidence remains unchanged. One such procedure, until now incompletely explored, is transanastomotic pancreatic (TAP) ductal stenting. METHODS: We conducted a systematic search using MEDLINE, EMBASE, and the Cochrane Central Register of Controlled Trials from 1983-2008 ...
Modi Achal P - - 2010
BACKGROUND AND PURPOSE: A new coil-based metallic ureteral stent offers greater radial strength with longer indwelling time compared with plastic stents. This multicenter retrospective study reviews the clinical experience with this stent for malignant or benign chronic ureteral obstruction. PATIENTS AND METHODS: Patients had stent placement in a retrograde fashion. ...
Kasuya Kazuhiko - - 2010
A novel technique of anastomosis with a short-term degradable stent for pancreaticojejunostomy has been developed and its shape-retentive capability evaluated under conditions of exposure to digestive fluid and its clinical feasibility. The stent was braided manually using Monocryl and PDS-II of 2-0 wire and heat treated at 80 degrees C ...
Colombo Antonio - - 2010
The impact of overlap of drug-eluting stents on clinical and angiographic outcomes is controversial. Individuals with long coronary lesions requiring implantation of multiple stents are an important patient subgroup for whom careful evaluation and decision-making with optimal stent deployment is needed to ensure the best possible short-term and long-term results.
Murthy Kusuma V R - - 2010
To present our experience and discuss the various endourological approaches for treating forgotten encrusted ureteral stents associated with stone formation. From July 2006 to December 2008, 14 patients (11 men and 3 women) with encrusted ureteral stents were analyzed. The average indwelling time of the stent was 4.9 years (range ...
Rahman M A - - 2010
To assess the frequency of bacterial colonization on internal ureteral stent and stent associated bacteriuria in different periods of indwelling time, a total of 100 patients (mean age 39.2+/-9.9 years, range 18-60 years, 69 male and 31 female) needing internal ureteral stent placement for different sorts of urinary tract operation ...
Park Min S - - 2010
Vertebral origin angioplasty and stenting (VOAS) with bare metal stents is associated with a high rate of in-stent restenosis (ISR). We evaluated the rate of ISR after VOAS with drug-eluting stents. Twenty patients (15 men, 5 women; age range, 36-88 years; mean, 63.7 years) were treated for VOAS with a ...
Trompetas Vasileios - - 2010
AIM: The aim of this study is to report our experience gained after attempted colonic stenting for colonic obstruction from extracolonic cancer. METHOD This is a retrospective study of all patients who had attempted colonic stenting for obstructing extracolonic cancer in a district general hospital from November 1998 to November ...
Gutzeit A - - 2011
Venous stenting has been shown to effectively treat iliofemoral venous obstruction with good short- and mid-term results. The aim of this study was to investigate long-term clinical outcome and stent patency. Twenty patients were treated with venous stenting for benign disease at our institution between 1987 and 2005. Fifteen of ...
Tomita Hideshi - - 2010
Medium- and long-term efficacy of intravascular stenting for congenital heart disease (CHD) has not been determined in Japan. The study comprised a retrospective survey of Palmaz or Palmaz Genesis stent implantation for pulmonary artery stenosis (PA), aortic coarctation, and superior and inferior vena cava lesions (SIVC) from May 1995 to ...
Saleem Atif - - 2010
Hilar cholangiocarcinoma (CC) is unresectable in 80% to 90% of cases. Placement of side-by-side bilateral self-expandable metal stents (SEMSs) can be technically challenging in these patients because deployment of the first stent can preclude passage of the second stent. Using a prototype large-diameter therapeutic channel (6-mm) duodenoscope, we positioned guidewires ...
Soga Yoshimitsu - - 2010
Long-term clinical outcomes after femoropopliteal (FP) stenting with nitinol stents have not yet been clear. We investigated the mid-term efficacy of FP stenting with nitinol stents. This study was a multicenter retrospective study. From April 2004 to December 2008, 511 consecutive patients (639 limbs; mean age 71 +/- 7 years; ...
Park Semi - - 2010
Colonoscopic insertion of a self-expandable metallic stent (SEMS) has been widely performed for the treatment of malignant colorectal obstruction. Different types of stents could influence the efficacy and complication rate of stent use. To compare the efficacy and complication rates between two SEMSs, the uncovered WallFlex stent and the covered ...
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