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Baloon Angioplasty Procedures News
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All Recent Baloon Angioplasty Procedures News |
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Is endovascular repair the new gold standard for primary adult coarctation? [Original articles]
Conclusion: Endovascular repair of PAAC is safe and effective and compares favourably with open surgical repair. Midterm follow-up suggests that the treatment is durable and may be an alternative to surgical repair. Although this is the largest endovascular treatment series for PAAC reported to date, additional study and follow-up are needed. (Source: European Journal of Cardio-Thoracic Surgery)...
POSTED 08/30/2010 at 01:58 PM --
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Interventional Endovascular Management of Chronic Cerebrospinal Venous Insufficiency in Patients with Multiple Sclerosis: A Position Statement by the Society of Interventional Radiology, Endorsed by the Canadian Interventional Radiology Association
IT has been recently hypothesized that a phenomenon known as chronic cerebrospinal venous insufficiency (CCSVI) may play a significant role in the etiology, pathogenesis, and/or disease progression of multiple sclerosis (MS) (). Preliminary studies suggest that anatomical and physiological abnormalities of venous blood flow are significantly more common in patients with clinical MS than in healthy control subjects or patients with other neurologic disorders (). Of particular interest has been the documentation of stenotic and occlusive lesions in the azygos and internal jugular veins on duplex ultrasound and contrast venography of patients with clinical MS. One group () has reported improvement in clinical outcomes including quality of life in two small prospective uncontrolled cohorts of ......
POSTED 08/27/2010 at 02:47 AM --
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Cold Salt Water Reduces Damage In Heart Attack Patients
Treating heart attack patients with hypothermia reduces the amount of heart damage by more than one third after balloon angioplasty. Researchers in Lund, Sweden have released the results of a study showing that the amount of heart damage in heart attack patients whose body temperature was lower than 35�C (95�F) was reduced by more than one third after they were treated with balloon angioplasty to open their clogged heart vessel. The results are published in the scientific journal Circulation-Cardiovascular Intervention... (Source: Health News from Medical News Today)...
POSTED 08/26/2010 at 04:00 AM --
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Cold salt water reduces damage in heart attack patients
Treating heart attack patients with hypothermia reduces the amount of heart damage by more than one third after balloon angioplasty. Researchers in Sweden have released the results of a study showing that the amount of heart damage in heart attack patients whose body temperature was lower than 35 degrees C (95 degrees F) was reduced by more than one third after they were treated with balloon angioplasty to open their clogged heart vessel. (Source: ScienceDaily Headlines)...
POSTED 08/25/2010 at 10:00 PM --
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The use of a handmade balloon-expandable covered stent for native coarctation of the aorta in an adult patient: A report of a first case in Japan.
Authors: Higaki T, Yamamoto E, Ryugo M, Imagawa H, Shikata F, Nagashima M, Ohta M, Takata H, Murao K, Chisaka T, Moritani T, Watanabe R, Tomita H, Kawachi K, Ishii E
In western countries, the use of a balloon-expandable covered stent is recommended for the treatment of native coarctation of the aorta (CoA) in adult patients because endovascular bare stents cannot completely prevent complications such as aneurysms or aortic rupture. However, such a product that is appropriate and officially approved is not available in Japan. We developed and used a handmade balloon-expandable covered stent in a 32-year-old patient with native CoA and achieved a good outcome. A Palmaz-Schatz stent (XL 10-series 4010; Johnson & Johnson, Warren, NJ, USA) was covered with an Ube woven-graft (WST series......
POSTED 08/19/2010 at 06:00 PM --
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Health Care System Delay Associated With Increased Risk Of Death For Heart Attack Patients Who Receive Reperfusion Therapy
For patients with a certain type of heart attack, delay in the time between first contact with emergency medical service to initiation of therapy such as balloon angioplasty is associated with an increased risk of death, according to a study in the August 18 issue of JAMA... (Source: Health News from Medical News Today)...
POSTED 08/19/2010 at 03:00 AM --
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AngioScore Inc. - AngioSculpt PTCA Scoring Balloon Catheter, manufactured by Angioscore - Class 1 Recall
AngioSculpt Percutaneous Transluminal Coronary Angioplasty (PTCA) Catheter, cutting/scoring, Easy Exchange (EX) delivery system, Manufactured by AngioScore, Fremont, CA. Catheter is for use in the treatment of hemodynamically significant coronary artery stenosis, including in-stent restenosis and complex type C lesions, for improving myocardial perfusion. The devices are available in balloon diameters of 2.0-3.5 mm in 0.5 mm increments, and in scoring balloon lengths of 10 to 15 nm. Catheter length is 139 cm and is compatible with 0.014 inch guide wires and 6F guide catheters. The EX catheter is supplied sterile and intended for single use. (Source: Medical Device Recalls since July 07, 2006)...
POSTED 08/18/2010 at 08:00 PM --
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Reducing Healthcare System Delay May Be Key to Improving STEMI Survival
Rather than a focus on reducing door-to-balloon times for patients with STEMI undergoing primary PCI, the emphasis should instead be on cutting the total time it takes from the first contact with emergency services to performing the angioplasty procedure, say Danish researchers. Heartwire (Source: Medscape Today Headlines)...
POSTED 08/18/2010 at 12:20 PM --
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Optical Imaging Technique For Angioplasty
A new optical imaging technique described in the journal Review of Scientific Instruments, which is published by the American Institute of Physics, holds the potential to greatly improve angioplasty, a surgery commonly performed to treat patients with a partially or completely blocked coronary artery that restricts blood flow to the heart. Angioplasty involves threading a slender, balloon-tipped tube from an artery in the groin to the trouble spot in the artery of the heart. The balloon is then inflated to compress the plaque that is blocking the artery... (Source: Health News from Medical News Today)...
POSTED 08/11/2010 at 04:00 AM --
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Local hemodynamic changes caused by main branch stent implantation and subsequent virtual side branch balloon angioplasty in a representative coronary bifurcation
Abnormal blood flow patterns promoting inflammation, cellular proliferation, and thrombosis may be established by local changes in vessel geometry after stent implantation in bifurcation lesions. Our objective was to quantify altered hemodynamics due to main vessel (MV) stenting and subsequent virtual side branch (SB) angioplasty in a coronary bifurcation by using computational fluid dynamics (CFD) analysis. CFD models were generated from representative vascular dimensions and intravascular ultrasound images. Time-averaged wall shear stress (TAWSS), oscillatory shear index (OSI), and fractional flow reserve (FFR) were quantified. None of the luminal surface was exposed to low TAWSS (<4 dyn/cm2) in the nondiseased bifurcation model. MV stenting introduced eccentric areas of low TAWSS alo......
POSTED 08/09/2010 at 04:02 PM --
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Optical coherence tomography monitoring of angioplasty balloon inflation in a deployment tester
We present an innovative integration of an intravascular optical coherence tomography probe into a computerized balloon deployment system to monitor the balloon inflation process. The high-resolution intraluminal imaging of the balloon provides a detailed assessment of the balloon quality and, conse ... [Rev. Sci. Instrum. 81, 083101 (2010)] published Mon Aug 2, 2010. (Source: Review of Scientific Instruments)...
POSTED 08/03/2010 at 03:50 AM --
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Regarding âEndovascular management of iliac rupture during endovascular aneurysm repairâ
We were interested in the article by Fernandez et al on the endovascular management of iliac rupture during endovascular aneurysm repair (J Vasc Surg 2009;50:1293-9). We had noted a number of cases of acute occlusion in the first few weeks after endovascular abdominal aneurysm repair and retrospectively recognized that it was on the side that had been ballooned first with a Reliant or Coda balloon after graft deployment. We believed aortic bifurcation stenosis was causing compression of the limbs of the graft, and subsequently, whenever we thought that this might be a problem, used kissing angioplasty balloons to try and avoid these occlusions. (Source: Journal of Vascular Surgery)...
POSTED 07/31/2010 at 06:00 PM --
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The potential role of DES in peripheral in-stent restenosis.
Authors: Zeller T, Macharzina R, Tepe G
In-stent restenosis (ISR) after non-coronary interventions is becoming an increasing clinical and technical problem in daily practice due to the more liberal use of stents particularly in femoro-popliteal and infra-popliteal interventions. Whereas in the coronaries the role of drug eluting stents (DES) in the treatment of ISR is already well defined, very limited data exist about the use of DES in the treatment of ISR in non-coronary arteries. So far little data is published on the potential role of DES in in-stent restenosis except in renal artery interventions. The concept of DES in femoro-popliteal lesions even excluding ISR so far failed for sirolimus and everolimus eluting self-expanding stents. In infra-popliteal lesions promising single ce......
POSTED 07/31/2010 at 07:51 AM --
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Paclitaxel-coated balloon angioplasty for lower extremity revascularization: a new way to fight in-stent restenosis.
Authors: Manzi M, Cester G, Palena LM
In the last years the development of new techniques and technologies for the endovascular treatment of peripheral arterial occlusive disease has allowed to treat a vast array of lesions with high technical success and low complications. Despite these advances, restenosis, and in particular in-stent restenosis, is a problem that significantly affects middle and long-term results and remains to be solved. Drug-eluting balloons (DEB) have shown good results in the treatment of coronary in-stent restenosis in experimental and clinical trials, but only few experimental and clinical trials focus on the peripheral district. This review summarizes the available experimental and clinical data in support of DEB in the treatment of ISR in the peripheral distr......
POSTED 07/31/2010 at 07:51 AM --
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The role of stent-grafts for prevention and treatment of restenosis.
Authors: Kwa AT, Yeo KK, Laird JR
Restenosis rates in the superficial femoral artery remain high in patients treated with balloon angioplasty or bare metal stents. Stent-grafts represent an alternative endovascular treatment modality for these patients. In the US, the only FDA-approved stent-graft for femoral use is the Viabahn endoprosthesis (W.L. Gore, Flagstaff, AZ). The Viabahn is constructed of nitinol and ePTFE and has a proprietary heparin bioactive surface. Stent-grafts have the potential to reduce restenosis by impeding intimal hyperplasia and reducing tissue in-growth; however, the problem of edge restenosis has not been eliminated. Graft thrombosis remains an important mode of stent-graft failure. The Viabahn has been shown in observational studies and randomized trials to b......
POSTED 07/31/2010 at 07:51 AM --
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Successful percutaneous aortic valve implantation via a stenotic left subclavian artery access
Abstract Severe aortic valve stenosis may be tackled with percutaneous aortic valve replacement instead of surgical replacement. At
present, two CE marked prosthetic valves are available. The CoreValve ReValving System is primarily designed to be introduced
transfemorally, while implantation via subclavian arteries has been described in cases of unsuitable femoral access. However,
this route has been used when subclavian artery is free of disease. In this case report we describe a successful CoreValve
ReValving System implantation via a diseased and tortuous left subclavian artery after predilatation balloon angioplasty.
The prosthesis was then advanced in the native aortic valve, deployed, and successfully implanted. Techniques and manipulations
are provided.
Content......
POSTED 07/30/2010 at 01:05 PM --
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New Coaxial Transseptal Needle for Creation of Atrial Septal Defects in Adult Sheep
Conclusion The CTS needle is a suitable needle for TS puncture and ASD creation in adult sheep. Proper alignment of the CTS needle with
a catheter marking the fossa ovalis is essential for successful puncture.
Content Type Journal ArticleCategory Technical NoteDOI 10.1007/s00270-010-9948-1Authors
Barry T. Uchida, Oregon Health and Science University Dotter Interventional Institute L342, 3181 SW Sam Jackson Park Road Portland OR 97239 USADusan Pavcnik, Oregon Health and Science University Dotter Interventional Institute L342, 3181 SW Sam Jackson Park Road Portland OR 97239 USAMasashi Shimohira, Oregon Health and Science University Dotter Interventional Institute L342, 3181 SW Sam Jackson Park Road Portland OR 97239 USAYoung Ho Choi, Oregon Health and Science Universit......
POSTED 07/27/2010 at 04:07 AM --
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Evaluation of a Dedicated Balloon Catheter for Infrapopliteal Difficult Calcified Lesions in Diabetic Patients With Critical Limb Ischemia
Abstract The purpose of this study was to assess the technical performance and immediate procedural outcome of a new balloon catheter
in the treatment of calcified lesions in infrapopliteal arterial disease. Sixty-one patients (81 vessels) with infrapopliteal
arterial disease were evaluated. Seventy-four of the 81 treated vessels had total occlusions. The ReeKross 18 peripheral transluminal
angioplasty catheter (ClearStream, Wexford, Ireland) is an 0.018-inch guidewire system with 4F sheath compatibility and a
rigid shaft intended for enhanced pushability. Only technical procedural outcomes were recorded. In 37 of 61 patients (50
infrapopliteal severely stenosed or occluded vessels), an attempt with a standard balloon was made before the ReeKross 18
was used. In 24 patient......
POSTED 07/24/2010 at 08:27 AM --
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[Care of ST elevated myocardial infarction patients in Vendée in 2008: Observational and descriptive study.]
CONCLUSION: In the case of the chest pain, the emergency medical service is under-used. The number of revascularised patients is satisfactory, but the whole procedure takes too much time, especially when the treatment is the angioplasty.
PMID: 20674885 [PubMed - as supplied by publisher] (Source: Annales de Cardiologie et d'Angeiologie)...
POSTED 07/22/2010 at 06:00 PM --
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When Is Door-to-Balloon Time Critical? Analysis From the HORIZONS-AMI (Harmonizing Outcomes with Revascularization and Stents in Acute Myocardial Infarction) and CADILLAC (Controlled Abciximab and Device Investigation to Lower Late Angioplasty Complications) Trials
Conclusions: Short DBTs (â¤90 min) are associated with a lower mortality rate in patients with early presentation but have less impact on the mortality rate in patients presenting later. The absolute mortality rate reduction with short DBT is greatest in high-risk patients presenting early. These data may be helpful in designing triage strategies for reperfusion therapy in patients presenting to nonâpercutaneous coronary intervention hospitals. (Source: Journal of the American College of Cardiology)...
POSTED 07/22/2010 at 12:17 AM --
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