Search Results
Results 601 - 650 of 2086
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Aburto-Murrieta Yolanda - - 2012
Cerebral vasospasm (CV) accounts significant morbimortality after aneurysmal subarachnoid hemorrhage. The objective of this study was to compare the clinical outcome of patients with CV treated by 2 endovascular procedures: intra-arterial nimodipine angioplasty (IANA) and balloon angioplasty (BA). Between 2008 and June 2011, we performed 22 IANA and 8 BA ...
Doomernik D E - - 2012
Results of endovascular treatment for long de novo lesions of the superficial femoral artery (SFA) are limited by in-stent restenosis (ISR). Polytetrafluoroethylene (PTFE) covered stents are developed to reduce the incidence of ISR. This study was conducted to summarize available data on the use of endoprosthesis in the treatment of ...
Rutsch W - - 2012
Non-stent-based immediate release formulations of paclitaxel have been shown to reduce in-stent restenosis in animal experiments and clinical trials. In the porcine overstretch model paclitaxel dissolved in the contrast medium iopromide inhibited neointimal proliferation in a dose-dependent manner after intracoronary injection and was well tolerated. As a first step entering ...
Shammas Nicolas W - - 2012
Purpose: To evaluate the role of orbital atherectomy in calcified infrapopliteal arteries in patients with critical limb ischemia compared to balloon angioplasty (BA) alone. Methods: A randomized multicenter study was undertaken to evaluate short and 1-year outcomes in 50 patients (32 men; mean age 71 years, range 40-90) with confirmed calcified ...
Yeom Jong Hoon - - 2012
Although acute tolerance to opioids, especially to remifentanil, has been demonstrated consistently in animal studies, the results of clinical trials in humans are controversial. The aim of this study was to determine whether intraoperative infusions of remifentanil used as an adjuvant in general anesthesia result in acute tolerance, an event ...
Metzner Andreas - - 2012
Clinical Outcome After Endoscopic PVI. Introduction: The acute and long-term outcome of pulmonary vein isolation (PVI) using an endoscopic ablation system (EAS) has only been reported in single-center studies. The current prospective, multicenter study assessed the acute and 1-year outcome following PVI using the EAS. Methods and Results: Seventy-two patients (34 ...
Mordasini P - - 2012
BACKGROUND AND PURPOSE:Currently, several new stent retriever devices for acute stroke treatment are under development and early clinical evaluation. Preclinical testing under standardized conditions is an important first step to evaluate the technical performance and potential of these devices. The aim of this study was to evaluate the immediate recanalization ...
Almekhlafi M A - - 2012
BACKGROUND AND PURPOSE:The time from arterial puncture to successful recanalization is an important milestone toward timely recanalization. With the significant improvement in recanalization rates by using thrombectomy devices, procedural time to recanalization is becoming a determinant factor in choosing among available devices. We aimed to assess the impact of time ...
Noronen K - - 2012
OBJECTIVES: Surgical treatment of carotid stenosis after the onset of ischaemic symptoms should be performed within 2 weeks. This aim was accomplished only in 11% during the years 2007-2008 in the Helsinki University Central Hospital (HUCH) region. Since then, special efforts have been made in order to shorten the delay. ...
Diehl Steffen J - - 2012
PURPOSE: To evaluate the clinical efficacy of EverFlex stents (length, 6-20 cm) for the treatment of peripheral artery disease (PAD) in the superficial femoral artery (SFA). MATERIAL AND METHODS: Over a period of 18 months, 56 SFA lesions in 53 patients were treated with an EverFlex stent. The following parameters ...
Park Jun Chul - - 2012
BACKGROUND: Although a substantial number of patients require secondary stents insertion due to primary stent malfunction in malignant gastric outlet obstruction, data on the outcomes of secondary self-expanding metal stents are sparse. AIM: To investigate clinical outcomes and factors related with secondary stent malfunction in patients with malignant gastric outlet ...
Spiliopoulos Stavros - - 2012
OBJECTIVE: This study investigated the safety and effectiveness of the infrainguinal use of the AngioJet rheolytic mechanical thrombectomy system (Possis Medical, Minneapolis, Minn) for the treatment of acute infrainguinal thromboembolism occurring during lower limb revascularization procedures. METHODS: For the interval between January 2000 and January 2011, our hospital's database was ...
Rigatelli Gianluca - - 2012
Background: The need for sizing the secundum atrial septal defect (ASD) with the balloon sizing technique is still debated at least in adult patients. We sought to prospectively evaluate the effectiveness of intracardiac echocardiography (ICE)-aided sizing technique for transcatheter closure of secundum ASD, without using a balloon sizing. Methods: In ...
Goldsmith Zachariah G - - 2012
PURPOSE: Malignant ureteral obstruction often necessitates chronic urinary diversion and is associated with high rates of failure with traditional ureteral stents. We evaluated the outcomes of a metallic stent placed for malignant ureteral obstruction and determined the impact of risk factors previously associated with increased failure rates of traditional stents. ...
Song Hae-Geun - - 2012
OBJECTIVES AND BACKGROUND: The impact of underexpansion and minimal stent area (MSA) criteria in the second generation drug-eluting stents (DES) has not been addressed yet. METHODS: Using intravascular ultrasound (IVUS), we assessed the optimal cut-off values of post-stenting MSA to prevent in-stent restenosis (ISR). Post-stenting IVUS data and 9-month follow-up ...
Vilain Katherine R - - 2012
The Carotid Revascularization Endarterectomy versus Stenting Trial (CREST) demonstrated similar rates of the primary composite end point between carotid artery stenting (CAS) and carotid endarterectomy (CEA), although the risk of stroke was higher with CAS, and the risk of myocardial infarction was higher with CEA. Given the large number of ...
Canena Jorge - - 2012
BACKGROUND: Fully covered self-expandable metal stents (FCSEMS) have been used as a rescue therapy for several benign biliary tract conditions (BBC). Long-term stent placement commonly occurs, and prolonged FCSEMS placement is associated with the majority of the complications reported. This study evaluated the duration of stenting and the efficacy and ...
Pagnotta Paolo - - 2012
BACKGROUND: Although the inability to cross the chronic total occlusion (CTO) with a guidewire is the most common reason for failure, one of the most frustrating situations that may occur during a recanalization procedure is when a guidewire crosses successfully but it is impossible to advance any device over the ...
Yonetsu Taishi - - 2012
BACKGROUND: -Recent studies have reported development of neoatherosclerosis (NA) inside the stents several years after stent implantation. The aim of this study was to determine the predictors for NA using optical coherence tomography (OCT). METHODS AND RESULTS: -From a total of 1080 patients who underwent OCT, we identified 179 stents ...
Kalpee A R - - 2012
Objective. A new second-generation balloon dilatation device for percutaneous nephrolithotomy (PCNL) has been launched, promising to challenge the traditional Amplatz serial dilators (ASDs). This device allows for the polyurethane sheath to be deployed on balloon inflation. Our primary objective in this pilot study was to determine whether the use of ...
Rutgers M - - 2012
OBJECTIVE: The high tibial osteotomy (HTO) is an effective strategy for treatment of painful medial compartment knee osteoarthritis. Effects on cartilage quality are largely unknown. Delayed Gadolinium-Enhanced MRI of Cartilage (dGEMRIC) enables non-invasive assessment of cartilage glycosaminoglycan content. This study aimed to evaluate if dGEMRIC could detect relevant changes in ...
Fakioglu Onur - - 2012
PURPOSE: Visualization and surgery of tears in the posterior medial meniscus are difficult in tight knees. Iatrogenic chondral lesions might cause serious morbidity, and residual tears may result in inadequate symptom relief. We evaluated the clinical and radiological results of superficial medial collateral ligament (MCL) release during arthroscopic medial meniscectomy ...
Katritsis Demosthenes G - - 2012
BACKGROUND: The ideal bifurcation stenting technique is not established, and data on the hemodynamic characteristics at stented bifurcations are limited. METHODS AND RESULTS: We used computational fluid dynamics analysis to assess hemodynamic parameters known to affect the risk of restenosis and thrombosis at coronary bifurcations after the use of various ...
Verma Prashant - - 2012
  A 14-year-old boy presented with extensive capillaritis. Narrow-band ultraviolet B was administered on a thrice-weekly schedule followed by once-a-week maintenance. A favorable response to treatment was seen without any side effects.
Waksman Ron - - 2012
Registry Experience at the Washington Hospital Center, DES - Taxus Liberte Versus Xience V (REWARDS TLX) is a physician-initiated, retrospective, real-world, multicenter, observational study for all patients >18 years of age subjected to percutaneous coronary intervention with everolimus-eluting stents (EESs) or paclitaxel-eluting stents (PESs). Outcomes of patients receiving a TAXUS ...
Alfonso Fernando - - 2012
This study sought to assess the effectiveness of a strategy of using drug-eluting stents (DES) with a different drug (switch) in patients with DES in-stent restenosis (ISR). Treatment of patients with DES ISR remains a challenge. The RIBS-III (Restenosis Intra-Stent: Balloon Angioplasty Versus Drug-Eluting Stent) study was a prospective, multicenter ...
Lozano Luis Antonio Sosa - - 2012
To determine the frequency of power injectable peripherally inserted central venous catheter (PIPICC) displacement after contrast injection for computed tomography. We included all patients who had a computed tomographic examination with contrast administration via PIPICC over a 4-month period. Several variables including catheter location before and after the injection were ...
Kumar Sanjay - - 2012
BACKGROUND: Eversion carotid endarterectomy is a well-described technique for carotid endarterectomy (CEA). The advantage of this technique is a completely autogenous repair. We describe a modification of eversion endarterectomy (MEE) that expeditiously extracts the plaque through a linear incision over the common carotid artery and the proximal bulbous internal carotid ...
Lu Haitao - - 2012
ObjectPatients with symptomatic atherosclerotic stenosis of the intracranial vertebrobasilar artery (VBA) have a poor prognosis, and those with coexistent intracranial and extracranial stenoses have worse outcomes despite medical therapy. A study was undertaken to investigate the long-term outcome and restenosis rates of patients with symptomatic atherosclerotic stenoses at the intracranial ...
Gallagher James J - - 2012
BACKGROUND: To examine the effect of office-based duplex-guided balloon-assisted maturation (DG-BAM) on arteriovenous fistula (AVF), we retrospectively analyzed our experience. METHODS: Over the past 10 months, we performed 185 DG-BAMs (range, 1-8 procedures; mean, 3.7) in 45 patients (29 male, 16 female; mean age, 68.2 ± 12.8 years) with 31 ...
Shammas Nicolas W - - 2012
BACKGROUND: Thrombus is highly prevalent in patients with recent symptoms (< 6 months) of claudication or limb ischemia due to an occluded culprit lower extremity vessels. Treatment of these thrombotic occlusions is challenging. In this feasibility study, the excimer laser (Spectranetics, Colorado Springs, CO) has been tested for its safety ...
Naitoh Itaru - - 2012
BACKGROUND: The clinical differences between side-by-side and stent-in-stent deployment using a self-expanding metal stent for hilar malignant obstruction have not been evaluated. AIMS: The purpose of this study was to compare the clinical features between side-by-side and stent-in-stent deployment. METHODS: We compared side-by-side and stent-in-stent deployment in 52 consecutive patients ...
Shah Tilak T Division of Gastroenterology, Duke University Medical Center, Box 3913, Durham, NC 27710, USA. - - 2012
Covered or uncovered self expandable metallic stents (SEMS) placed in patients with malignant biliary obstruction can occlude in 19-40 %, but optimal management is unclear. We sought to summarize current evidence regarding management of occluded SEMS in patients with malignant biliary obstruction. Two investigators independently searched Pubmed, Embase, and Web ...
Fan Xinying - - 2012
Objective: To evaluate the effect of carotid angioplasty and stenting (CAS) on postoperative cerebrovascular reactivity (CVR) and its independent predictors. Methods: During July 2008 and September 2009, 37 patients undergone CAS were enrolled in this study. Breath holding tests using transcranial Doppler were performed for each patient before, 1 to ...
Mordasini P - - 2012
BACKGROUND AND PURPOSE:Acute BAO is a devastating neurological condition associated with a poor clinical outcome and a high mortality rate. Recanalization has been identified as a major prognostic factor for good outcome in BAO. Mechanical thrombectomy using retrievable stents is an emerging treatment option for acute stroke. First clinical trials ...
Yonetsu Taishi - - 2012
Recent studies have reported the development of neoatherosclerosis inside stents and subsequent acute coronary syndrome secondary to disruption of neointimal hyperplasia. The aim of the study was to compare the characteristics of neointimal hyperplasia and its time course between bare metal stents (BMSs) and drug-eluting stents (DESs) using optical coherence ...
Ringel Richard E - - 2012
Coarctation of the aorta (CoA) accounts for 4% to 5% of congenital cardiac abnormalities. Stent therapy has become an accepted alternative to surgery for older children and adults, although there are no balloon-expandable stents approved by the Food and Drug Administration for use in the aorta. The Cheatham-Platinum (CP) stent ...
Ribamar Costa J J - - 2012
Background: Little is known about the correlation between modifications in plaque composition at stent edges and the changes in vessel geometry. This study sought to evaluate, by serial greyscale intravascular ultrasound (IVUS) and Virtual Histology® intravascular ultrasound (VH®-IVUS), the modifications in plaque composition at the edges of drug-eluting and bare ...
Yamamoto Shinichi - - 2012
We report an 86-year-old woman with a large tracheal laceration caused by tracheal intubation at cardiopulmonary arrest who underwent a successful stent procedure. Tracheal laceration developed in the membranous portion longitudinally 6 cm in length to 2 cm above the carina. Following 9 days' tracheal intubation, a Y-shaped silicon stent ...
Moskovitz Boaz - - 2012
Background and Purpose: Ureteral strictures (US) can be recurrent chronic illness leading to sever side effect and poor quality of life. Several options to treat US exist including repeated dilatations, stents and open surgery. Ureteral stent is a good minimally invasive option but has major limitations such stent migration, mucosal ...
Nakase Taizen - - 2012
There have been many reports about the prognosis and risk factors of stroke recurrence following brain infarction (BI). However, little is known about the stroke recurrence after primary intracerebral hemorrhage (PICH). Therefore, we explored the recurrent stroke patients after initial PICH retrospectively, to reveal the critical factors of stroke recurrence. ...
Shah Asad A - - 2012
OBJECTIVE: Thoracic endovascular aortic repair, although physiologically well tolerated, may fail to confer significant survival benefit in some high-risk patients. In an effort to identify patients most likely to benefit from intervention, the present study sought to determine the risk factors for 1-year mortality after thoracic endovascular aortic repair. METHODS: ...
Cervera Carlos - - 2012
A 76-year-old man with paraplegia and a long-term indwelling Foley catheter presented with fever. His physical examination was otherwise unremarkable, and he was hemodynamically stable.
Isaaz Karl - - 2012
Objectives: To propose an original approach based on simultaneous dual vascular access site (DAS) using 2 small-size guiding catheters to easily perform complex 2-stent techniques for bifurcation coronary lesions (BL). Background: Simultaneous kissing stenting and classic crush technique require large 7 or 8Fr guiding catheters leading to large amounts of ...
Aldemir Evren - - 2012
OBJECTIVES.: To assess the relationship between carotid plaque echogenicity and degree of stenosis with acute and chronic stroke. METHODS.: A retrospective study of cerebral MRI and carotid B-mode and Doppler ultrasonography in 60 patients with stroke. Plaque echogenicity was graded as echolucent (1), predominantly echolucent (2), predominantly echogenic (3), or ...
Wykrzykowska Joanna J - - 2012
Aims: The aim of the pilot SECRITT trial was to evaluate the safety and feasibility of sealing the high risk IVUS and optical coherence tomography-derived thin cap fibroatheroma (TCFA), with a dedicated nitinol self-expanding vShield device. Methods and results: After screening with angiography, fractional flow reserve (FFR), intravascular ultrasound virtual ...
Reza Sanati Hamid - - 2012
BACKGROUND: Percutaneous balloon mitral valvuloplasty is the preferred therapeutic strategy in patients with mitral stenosis, but it has shortcomings in a subset of patients. HYPOTHESIS: A new method of balloon sizing through echocardiographic measurement of the intercommissural diameter would be safe and effective and lead to better outcomes. METHODS: Eighty-six ...
Kwan Tak W - - 2012
Objectives: The aim of our study is to assess the feasibility and safety of transradial intervention (TRI) of coronary ostial lesions using the Szabo technique. Background: When performing TRI of coronary ostial lesions, precise stent positioning is of paramount importance. TRI has experienced increasing popularity in the U.S.; however, utilization ...
Gray Brian W - - 2012
Deep venous thrombosis (DVT) is a frequent complication in infants with central venous catheters (CVCs). We performed this study to identify risk factors and risk-reduction strategies of CVC-associated DVT in infants. Infants younger than 1 year who had a CVC placed at our center from 2005 to 2009 were reviewed. ...
Majid Adnan - - 2012
Treatment of subglottic and proximal tracheal stenosis for nonsurgical candidates includes tracheostomy, Montgomery T tubes, and silicone stents. When used in lesions with concomitant malacia, silicone stents have a high incidence of migration. We describe a simple and effective technique of securing endoluminal stents using an Endo Close suturing device ...
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