Search Results
Results 101 - 150 of 1189
1 2 3 4 5 6 7 8 9 10 >
Han Ya-ling - - 2008
BACKGROUND: Failure of balloon catheter passing through the occluded segment accounts for 10% - 15% of all procedures during percutaneous coronary intervention (PCI) for chronic total occlusion (CTO). We sought to investigate an original technique for facilitating balloon catheter passing by multi-wire plaque crushing. METHODS: Between July 2000 and October ...
Steinberg J - - 2008
The aim of this study was to evaluate the early results of interventional balloon dilatation of stenotic bovine jugular vein (BJV) grafts implanted for reconstruction of the right ventricular outflow tract (RVOT) in children. METHODS: From May 2001 to December 2005, 153 BJV grafts were implanted in children in our ...
Reifart Nicolaus - - 2008
Aims: Failure to cross a calcified tight stenosis or chronic total occlusion (CTO) with a balloon after having passed a guidewire is a rare but serious intricacy with a high likelihood of failure. We report our experience of a three years period (December 2004-November 2007) using a novel metal penetration ...
Brandon Jonathan L - - 2008
Pseudocyst development is a common complication of chronic pancreatitis. Endoscopic cystogastrostomy is an alternative to percutaneous drainage of pancreatic pseudocysts. Endoscopic ultrasound (EUS) guidance is thought to decrease the procedural risk by identifying and avoiding intervening vasculature. With EUS guidance, extreme care should be exercised to identify large gastric vessels ...
O'Leary E J P - - 2008
INTRODUCTION: Splitting of a plaster cast is frequently required to accommodate post-operative limb swelling. Oscillating saws are often used but can cause injury and distress and cannot be used when the plaster is drying. At these times plaster shears are used. A safe technique is described which safely divides drying ...
Chauhan Ketul - - 2008
This report describes a patient who underwent cardiac resynchronization therapy (CRT) in the setting of a severe stenosis in the lateral coronary vein that prevented passage of a left ventricular lead. The stenosis was unresponsive to standard compliant balloon dilatation but was successfully treated with a noncompliant balloon. Venoplasty with ...
Shin Ji Hoon - - 2008
Benign airway strictures refractory to balloon dilatation or stent placement remain a challenge in interventional radiology. This article describes the successful use of a cutting balloon to treat three cases of recurrent tuberculous bronchial strictures. In three patients, cutting balloon dilatation was found to be safe and effective and did ...
Remadevi K
<b>Objectives:</b> To describe the case selection, technique and immediate and short-term results of balloon pulmonary valvotomy (BPV) in young infants with tetralogy of Fallot (TOF). <b>Background:</b> Symptomatic young infants with TOF can either undergo corrective surgery or Blalock-Taussig (BT) shunt. Corrective surgery in early infancy is associated with significant morbidity ...
Koeth Oliver - - 2008
Takotsubo cardiomyopathy was first described in Japan and is characterized by transient left ventricular apical ballooning in the absence of a significant coronary artery disease.Caused by the clinical presentation including chest pain, electrocardiographic changes and elevated myocardial markers this syndrome is frequently misdiagnosed as an acute coronary syndrome. Recurrences of ...
Faries Peter L - - 2008
Ischemic preconditioning (IP) uses transient ischemia to render tissues tolerant to subsequent, prolonged ischemia. This study sought to evaluate factors that contributed to the development of cerebral ischemia during PercuSurge balloon (Medtronic, Santa Rosa, CA) occlusion in patients undergoing carotid angioplasty and stenting (CAS). The PercuSurge occlusion balloon was used ...
Shimazaki Natsumi - - 2008
We studied on the dilatation characteristics of our new angioplasty, photo-thermo dynamic balloon (PTDB) angioplasty, which provides short-term heating (15s, 50-70 degrees C) dilatation by the combination of laser heat generator and fluid perfusion. In this study, we employed the ex vivo experiments to demonstrate the feasibility of our PTDB ...
Jabbour Richard J - - 2008
Aortic balloon valvuloplasty (BAV) was initially devised in the 1980s as an alternative procedure to the surgical treatment of aortic stenosis, with the theory behind it being both minimally invasive as well as having a lower complication rate [Hara H, et al. Percutaneous balloon aortic valvuloplasty revisited: time for a ...
Remadevi K S - - 2008
To describe the case selection, technique and immediate and short-term results of balloon pulmonary valvotomy (BPV) in young infants with tetralogy of Fallot (TOF). Symptomatic young infants with TOF can either undergo corrective surgery or Blalock-Taussig (BT) shunt. Corrective surgery in early infancy is associated with significant morbidity and is ...
Baerlocher Lorenz - - 2008
OBJECTIVES: Comparison of the results of branch pulmonary artery stenosis treated with balloon angioplasty (BA) or stent implantation (SI) in children. BACKGROUND: Branch pulmonary artery stenosis may be treated with BA or SI. METHODS: We compared the results of 147 interventions of branch pulmonary artery stenosis in 87 children (median ...
Andersen Poul Erik - - 2008
Long-term follow-up results after embolization of 13 pulmonary arteriovenous malformations in 10 patients by use of 14 detachable silicone balloons are given. Patients were followed for a mean of 99 months (range, 63-123 months) with chest x-rays and for a mean of 62 months (range, 3-101 months) with pulmonary angiography. ...
Rees Catherine J - - 2007
PURPOSE OF REVIEW: Since the advent of ultrathin flexible endoscopes with working channels office-based esophagoscopy and tracheobronchoscopy have been undertaken frequently by otolaryngologists. As a natural extension of these diagnostic procedures, more office-based esophageal and tracheal therapeutic procedures are being undertaken. RECENT FINDINGS: Esophageal and tracheal balloon dilation can be ...
Goldberg Alexander - - 2007
The inability to cross tortuous, calcified or previously stented segments with an angioplasty balloon or coronary stent remains one of the frequent causes of the procedural failure. Numerous techniques have been developed to facilitate stent delivery in this situation: buddy wire, balloon deflection and use of specially designed guidewires. We ...
Kim Hyo Song - - 2007
A case of catecholamine cardiomyopathy associated with paraganglioma, which was rescued by percutaneous cardiopulmonary support system (PCPS), is presented. Unlike typical apical ballooning, transthoracic echocardiography and left ventriculography revealed severe left ventricular (LV) dysfunction and an abnormal contractile pattern, consisting of akinesis of the basal and midventricular segments and hyperkinesis ...
Bundhoo Shantu - - 2008
Intra-aortic balloon pump (IABP) provides myocardial protection for patients who are at risk of myocardial injury during cardiac surgery. The haemodynamic support is crucial in patients with significant and critical coronary artery disease undergoing revascularisation procedures. Traditionally, the femoral arterial access is the preferred route for IABP insertion. This is, ...
Fazio Giovanni - - 2008
Takotsubo Cardiomyopathy is characterized by a reversible systolic left ventricular apical ballooning. A new pattern of dyskinesia in the absence of angiographic evidence of coronary artery stenosis has been indicated like a variant of takotsubo cardiomiopathy: mid-ventricular akinesis with preservation of apical and basal contractilities revealed at echocardiograms and ventriculographies. ...
Greenberg Joshua I - - 2007
Massive hemorrhage from abnormal placentation is a leading cause of postpartum maternal death and hysterectomy after cesarean section. The endovascular surgeon and radiologist are increasingly asked to assist in the management of these complex patients with the placement of bilateral internal iliac artery balloon catheters. We report the case of ...
Pulver Aaron - - 2007
Transhepatic cardiac catheterization is useful in patients in whom more conventional routes of access are no longer patent or associated with undesirable risks. We describe our success in performing transhepatic, transeptal, anterograde balloon angioplasty without complication in a 1.6 kg neonate with recurrent aortic coarctation and femoral venous occlusion. This ...
Su Chun-Hui - - 2007
PURPOSE: Molecular mechanisms by which balloon angioplasty injury-induced neointimal hyperplasia can be reduced by intravascular brachytherapy are unclear. We investigated the role of nuclear factor-kappaB (NF-kappaB) in neointimal hyperplasia following intracoronary irradiation. MATERIALS AND METHODS: Fifty-four coronary arteries from 30 pigs were divided into 6 groups: sham control, balloon angioplasty ...
Hussain Farrukh - - 2007
This report describes the use of intracoronary adenosine and transvenous pacemaker backup as an adjunct to intra-aortic balloon pump use and glycoprotein IIb/IIIa inhibition to accomplish high-risk multivessel coronary angioplasty in an 87-year-old female with profound cardiogenic shock. Myocardial preconditioning may further enhance microvascular perfusion in this critical state.
Tomita Hideshi - - 2007
The buddy wire technique, i.e. the use of a second 0.014" guidewire placed alongside the one employed to advance balloons, stents or other devices, improves the balloon or stent support and also provides guiding catheter stability. Furthermore, it concentrates forces transferred from the balloon along the line of the wire. ...
Yamagami T - - 2007
The feasibility of infusion of 50% glucose solution before balloon-occluded retrograde transvenous obliteration (BRTO) to occlude collateral vessels draining gastric varices other than gastrorenal shunt was evaluated. In five patients with such collateral vessels, 50% glucose solution was infused from the balloon catheter inflated within the gastrorenal shunt. The degree ...
Campbell John E - - 2007
PURPOSE: To present a case of successful endovascular retrieval of a monorail predilation balloon fused to an embolic protection device (EPD) in the distal internal carotid artery (ICA) of a high-risk symptomatic patient. CASE REPORT: A 60-year-old man with documented systemic atherosclerotic disease had a severe (>70%) restenosis in the ...
Albrecht Thomas - - 2007
PURPOSE: To assess if local intra-arterial administration of paclitaxel using drug-coated balloons or an admixture of paclitaxel to contrast medium inhibits stenosis after percutanous transluminal angioplasty (PTA) of peripheral arteries in a porcine overstretch model. METHODS: Neointimal proliferation and stenosis were induced by overstretch and stenting of 40 peripheral arteries ...
Onorati Francesco - - 2007
Preoperative intraaortic balloon pumping improves the results of complex coronary surgery; however, insertion may be harmful or contraindicated in severe and diffuse atherosclerosis of the descending aorta and peripheral arteries. We report our experience with 10 consecutive patients with severe peripheral atherosclerosis or distal abdominal aortic aneurysms, in whom a ...
Parodi Juan C - - 2007
We report our experience with one patient with recurrent coarctation and aneurysm degeneration treated endoluminally. A novel technique was used combining balloon-expandable with self-expandable endografts. The balloon-expandable component expanded the area of stenosis and also created a neck to allow the implantation of the self-expandable endograft to exclude the aneurysm. ...
Datt Bharat - - 2007
Transthoracic intra-aortic balloon pump (IABP) insertion has been a relatively rare and uncommon procedure. However, it is an established beneficial option in patients with severe peripheral vascular disease (PVD) accompanied with bi-lateral femoral arterial occlusion. There are several viable alternatives to trans-aortic IABP insertion, including trans-axillary or in abdominal aorta ...
Galloro Giuseppe - - 2007
BACKGROUND: Placement and removal of the intragastric balloon for obesity are performed endoscopically often under general anesthesia. We propose a safer and faster technique for endoscopic removal of the intragastric balloon using standard sedation. METHODS: In 87 obese patients, we performed 3 removal techniques: 1) standard gastroscope and foreign body ...
Takamizawa Shigeru - - 2007
A 25-month-old boy with long gap esophageal atresia developed severe esophageal stenosis refractory to balloon dilatations after definitive esophagoesophagostomy. At 33 months of age, the patient had a magnetic compression revision anastomosis, in which a pair of 2 cylindrical Samarium-cobalt rare-earth 320 mT (3200 G) magnets, 15 x 5 mm ...
Parissis Haralambos - - 2007
This study set off to investigate which mode of weaning of an intra-aortic balloon pump (IABP) produces more aortic trauma. With the use of a perfusion pump, an intact porcine aorta with an IABP in situ, was studied. Angioscopic images of the interior of the aorta were obtained. Whilst keeping ...
Aqel Raed - - 2007
BACKGROUND: Myocardial perfusion imaging (MPI) is highly sensitive in detecting rest ischemia when the radiotracer is injected during the episode of ischemia. The frequency of abnormal MPI results after resolution of ischemia is not well defined. The aim of this study was to determine how long MPI results remain abnormal ...
Rao P Syamasundar - - 2007
Since the first description of balloon pulmonary valvuloplasty in 1982 by Kan, the procedure has been extensively utilized by several groups of workers for relief of pulmonary valve stenosis. It is generally recommended that the procedure be performed for peak-to-peak gradients in excess of 50 mmHg. The technique involves positioning ...
Lopez J Alberto - - 2007
We describe a patient in whom a localized proximal vein stenosis at the only possible target vein precluded placement of a coronary sinus lead for left ventricular (LV) pacing. After multiple attempts to perform venoplasty with both compliant and noncompliant balloons, a cutting balloon relieved the obstruction, and an LV ...
Eskandari Mark K - - 2007
Improved carotid artery stenting (CAS) results are credited to the development of embolic protection devices (EPDs). Reported are outcomes and technical failures of two classes of EPDs: distal balloon occlusion and distal filtration. We present a retrospective review of 206 CAS procedures from April 2001-September 2005. Filters (AccuNet, Angioguard, Filterwire, ...
Baulig Werner - - 2007
OBJECTIVE: To assess the agreement between a novel approach of arterial and the pulmonary artery bolus thermodilution for measuring cardiac output in critically ill patients during aortic counterpulsation. METHODS: Eighteen male patients aged 37-80 years, undergoing preoperative insertion of an intra-aortic balloon pump (IABP) and elective coronary artery bypass grafting. ...
Goksin Ibrahim - - 2007
Entrapment of coronary angioplasty hardware is one of the rare complications of percutaneous coronary artery interventions. We reported herein a case of 58-year-old man with an entrapped balloon catheter and guidewire within the right coronary artery during the application of a conventional balloon angioplasty for in-stent restenosis. Surgical removal of ...
Ikushima I - - 2007
BACKGROUND AND PURPOSE: The goal of this study was to prospectively assess the feasibility, safety, and efficacy of balloon disruption of the middle cerebral artery (MCA) by using a deflated balloon catheter combined with an intra-arterial thrombolysis for the treatment of acute ischemic stroke. MATERIALS AND METHODS: Seven consecutive patients ...
Marks Natalie - - 2007
Diagnostic arteriography and balloon angioplasty of failing or nonmaturing arterio-venous (AV) access is based upon using nephrotoxic contrast. Patients not yet on dialysis with borderline renal function with nonmaturing AV accesses or ones with an allergy to contrast media present a therapeutic challenge. We have used duplex scanning as an ...
De Giovanni Joseph V - - 2007
Pulmonary artery stenosis can cause right ventricular strain but intrapulmonary lesions are inaccessible to surgery; moreover, some are also resistant to high pressure balloon angioplasty. An alternative is the use of microsurgical devices mounted on balloons for transvenous delivery, including cutting balloons. The current literature is sparse but seems to ...
Kawarada Osami - - 2007
OBJECTIVES: To evaluate the safety and efficacy of a double-wire technique in carotid artery stenting (CAS) with a distal occlusion balloon system, PercuSurge GuardWire. METHODS: Fifty-one consecutive patients with 53 de novo lesions were scheduled to undergo balloon-protected CAS with the "double-wire technique," the use of two wires, one for ...
Jung J Y - - 2007
We describe a case of transsphenoidal deflation of a detachable balloon after embolization of a carotid-cavernous fistula (CCF). The patient developed complete third and sixth nerve palsies immediately after detachable balloon embolization of the CCF, which was considered to be caused by cavernous sinus (CS) compression by the over-inflated balloon. ...
Takeuchi Kensuke - - 2007
PURPOSE: Nuclear factor-kappaB (NF-kappaB) plays a critical role in inflammation-related reactions, and is also found in the injured arterial wall. The purpose of this study was to introduce synthetic double-stranded cis-element "decoy" oligonucleotides (ODNs) into the arterial wall using the hemagglutinating virus of Japan (HVJ) liposome, and to investigate the ...
Heil Ulrich - - 2007
Obscure gastrointestinal (GI) bleeding is defined as visible or invisible GI blood loss, the source of which can not be identified by standard endoscopy (oesophagogastroduodenoscopy and colonoscopy). Nowadays, GI bleeding is divided into upper, mid- and lower bleeding. Mid-GI bleeding covers the section from the Treitz ligament to the ileocaecal ...
Rajdev Sanjay - - 2007
TandemHeart is a recently-introduced percutaneous left ventricular assist device that can be used for hemodynamic support during high-risk interventional procedures in severely compromised patients. Angioplasty and stent placement in patients with coronary artery disease and high-risk coronary anatomy including the left main coronary artery have been described using this device. ...
Tsutsui Nobumasa - - 2007
Tokai Medical Products developed an intra-aortic balloon pumping (IABP) balloon catheter with the following unique characteristics: the balloon can be applied to any patient irrespective of their physical size, and is therefore suitable for Japanese patients of small stature; a long soft tip is used, which is designed to avoid ...
Trehan Vijay - - 2007
We report the use of monorail coronary balloon as an infusion catheter to give bailout abciximab selectively into the site of stent thrombosis as an adjunct to plain old balloon angioplasty (POBA) in a patient of subacute stent thrombosis of the left anterior descending coronary artery. The balloon component (polyamide ...
1 2 3 4 5 6 7 8 9 10 >