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Baloon Angioplasty Procedures News
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All Recent Baloon Angioplasty Procedures News |
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Acute myocardial infarction in a patient with post-splenectomy thrombocytosis: a case report and review of literature.
We describe a case of acute myocardial infarction in a young heavy smoker with RT following splenectomy. Coronary angiography showed a linear filling defect at mid-part of left anterior descending artery. We performed balloon angioplasty and stenting for this lesion. Aspirin and clopidogrel were administered. His in-hospital course was uneventful and platelet count returned to the normal range at four month follow-up. We concluded that RT may not be an entirely benign process, especially in patients with a history of smoking. Regular monitoring of platelet count, and possibly antithrombotic agents like aspirin prescription for high risk patients with moderate thrombocytosis, may be useful.
PMID: 20104461 [PubMed - in process] (Source: Cardiology Journal)...
POSTED 01/30/2010 at 12:48 AM --
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Endovascular recanalization of acute intracranial vertebrobasilar artery occlusion using local fibrinolysis and additional balloon angioplasty
Conclusions Endovascular recanalization can reduce mortality and morbidity of acute VBO. Good GCS and NIHSS scores prior to treatment
can predict the efficacy of endovascular recanalization.
Content Type Journal ArticleCategory Interventional NeuroradiologyDOI 10.1007/s00234-010-0658-9Authors
Junji Kashiwagi, Shinbeppu Hospital Department of Radiology 874-0833 Tsurumi 3898 Beppu Oita JapanHiro Kiyosue, Oita University Faculty of Medicine Department of Radiology 879-5593 Idaigaoka 1-1, Hasamacho Yufu Oita JapanYuzo Hori, Nagatomi Neurosurgical Hospital Department of Radiology 870-0820 Nishiomichi 2-1-20 Oita Oita JapanMika Okahara, Shinbeppu Hospital Department of Radiology 874-0833 Tsurumi 3898 Beppu Oita JapanShuichi Tanoue, Oita University Faculty of Medicine Departm......
POSTED 01/29/2010 at 11:57 AM --
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Dilatable pulmonary artery banding in infants with low birth weight or complex congenital heart disease allows avoidance or postponement of subsequent surgery [Original articles]
Conclusions: Dilation of both main and bilateral branch pulmonary artery bands is possible, effective and safe. Dilatable main pulmonary artery bands allow for progressive dilation with postponement of surgery or complete release of the bands. Bilateral dilatable branch pulmonary bands offer palliative benefit, especially in hybrid cases where pulmonary blood flow may be limited by the bands before the ideal conditions for a stage II procedure exist. (Source: European Journal of Cardio-Thoracic Surgery)...
POSTED 01/28/2010 at 01:40 PM --
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A novel fluoroscopic-assisted balloon thrombectomy: technique for thrombosed hemodialysis prosthetic grafts.
Conclusions: Our technique is safe and also effective in both short- and long-term follow-up. Because it offers convenience, since the treatment of arterial anastomotic stenoses is accomplished in one (rather than two) steps, this method deserves further investigation.
PMID: 20119918 [PubMed - as supplied by publisher] (Source: The Journal of Vascular Access)...
POSTED 01/27/2010 at 06:00 PM --
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Protein Kinase-C Delta Mediates Arterial Injury Responses through Regulation of Vascular Smooth Muscle Cell Apoptosis
Introduction: Endovascular intervention has been proven to be a cost-effective approach in revascularization of peripheral arterial disease. However, the long-term efficacy of endovascular procedures is often limited by restenosis, which is primarily caused by excessive intimal hyperplasia after vascular injury. Intimal hyperplasia is a complex process involving vascular smooth muscle cell (VSMC) proliferation, migration, apoptosis and extracellular matrix deposition. Apoptosis of VSMC has been shown to influence intimal hyperplasia, presumably through reduction of the lesion cell numbers. However, how apoptosis is regulated after vascular injury is not fully understood. We have previously demonstrated Protein Kinase-C delta (PKCδ) is an integral mediator of VSMC apoptosis in vitro. Here,......
POSTED 01/25/2010 at 10:41 AM --
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The Role of Doxycycline as an Inhibitor of Intimal Hyperplasia after Balloon Angioplasty Arterial Injury
Objective: Intimal hyperplasia (IH) is the most common indicator for secondary intervention in peripheral vascular disease. The major cellular processes contributing to IH development are extracellular matrix (ECM) degradation and vascular smooth muscle cell (VSMC) migration and proliferation. Matrix metalloproteinases (MMPs) are implicated in vascular remodeling due to their ability to selectively degrade components of the ECM. Members of the tetracycline family of antibiotics are potent MMP inhibitors, doxycycline being one of the more potent inhibitors with better absorption and a longer half-life than the parent compound. We have previously shown doxycycline inhibits MMP activity and VSMC migration in vitro. Moreover, doxycycline has been found to inhibit cell proliferation in other ce......
POSTED 01/25/2010 at 10:41 AM --
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FDA clears Invatec’s new PTA balloon catheter
Invatec has received the FDA’s 510(k) clearance to market its Reef HP, a percutaneous transluminal angioplasty (PTA) balloon catheter, for use in peripheral high pressure dilatation procedures. (Source: Cardiovascular Business News)...
POSTED 01/24/2010 at 01:33 PM --
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The Role of “Cutting” Balloon Angioplasty for the Treatment of Short Femoral Bifurcation Steno-Obstructive Disease
This study was designed to report our experience with “cutting” balloon angioplasty (CBA) for the treatment of short femoral
bifurcation arterial stenosis. Between March 2005 and September 2007, 18 consecutive patients who were high-risk for surgery
with critical limb ischemia or severe lifestyle-limiting claudication underwent “cutting” balloon angioplasty (4–6 mm diameter/15–20-mm
length) for the treatment of 27 focal (<3 cm) severe fibro-calcified stenosis of the common femoral artery (n = 14) and/or the proximal part of the superficial femoral artery (n = 6) or profunda femoris (n = 7). Baseline patient demographic data, pre- and post-procedural patient clinical data, and procedural results were recorded.
Follow-up consisted of......
POSTED 01/23/2010 at 01:41 AM --
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Invatec Receives 510(k) Clearance of REEF HP PTA Balloon Catheter
New High Pressure Catheter Specifically Designed for Effective Treatment of Challenging Peripheral Lesions
HOLLYWOOD, Fla.--(HSMN NewsFeed)--Invatec, a comprehensive innovator of cardiovascular products, today announced that it has received 510(k) clear... Devices, Interventional, FDAInvatec, REEF HP, angioplasty, Balloon Catheter (Source: HSMN NewsFeed)...
POSTED 01/19/2010 at 02:52 PM --
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Nitric Oxide-Dependent Bone Marrow Progenitor Mobilization by Carbon Monoxide Enhances Endothelial Repair After Vascular Injury.
Conclusions-Collectively, the present data demonstrate that CO accelerates EC proliferation and vessel repair in a manner dependent on NO generation and enhanced recruitment of bone marrow-derived endothelial progenitor cells.
PMID: 20083679 [PubMed - as supplied by publisher] (Source: Circulation)...
POSTED 01/17/2010 at 06:00 PM --
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Protein kinase C delta mediates arterial injury responses through regulation of vascular smooth muscle cell apoptosis
Conclusion
The expression of PKC is upregulated in the arterial wall in response to injury. This induction appears to be a mechanism of arterial response that negatively influences the degree of intimal hyperplasia by stimulating VSMC apoptosis. (Source: Cardiovascular Research)...
POSTED 01/05/2010 at 10:18 AM --
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Hospitals make big strides in delivering timely angioplasties
A national quality initiative has helped facilities markedly reduce their "door-to-balloon" times in treating patients with ST-segment elevation heart attacks. (Source: American Medical News - PROFESSION)...
POSTED 01/04/2010 at 06:00 AM --
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Endoleak after endovascular aortic repair: classification, diagnosis and management following endovascular thoracic and abdominal aortic repair.
Authors: Cao P, De Rango P, Verzini F, Parlani G
Endoleak is a common and unique complication of endovascular aortic repair (EVAR) and its persistence represents a failure of the endovascular treatment. Accurate detection and classification is essential for the proper management since the method of endoleak treatment is determined by the different source. In general, high-pressure leaks (type I and type III) require urgent management because of the relatively high short-term risk of sac rupture. Although precise differentiation between type I and type III endoleaks may not be possible at cross- sectional imaging, differentiation is often unnecessary because both lesions are considered high-risk and require angiographic evaluation and subsequent treatment. Low-pressure lesions (types II......
POSTED 12/31/2009 at 06:00 PM --
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Bare metal stent implantation for in-stent restenosis with a drug-eluting stent.
Authors: Matsuoka H, Kawakami H, Ohshita A, Kohno T, Shigemi S, Okayama H, Higaki J
Following the positioning of a bare metal stent (BMS) implant, a yellow plaque is healed with a reduction of the color grade and thrombogenicity, i.e. vulnerability by angioscopy in the chronic phase ("plaque sealing" of BMS; the "whitening effect" of BMS). However, we have reported that thrombus and yellow plaque increases at the drug-eluting stent (DES) site. A 71-year-old man underwent percutaneous coronary intervention using two DESs for a severe stenotic lesion in his right coronary artery. Follow-up coronary angiography (CAG) showed in-stent restenosis (ISR) at the stent-overlap site. We performed traditional balloon angioplasty, but follow-up CAG showed ISR again at the same position as the first......
POSTED 12/31/2009 at 06:00 PM --
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Duplex scanning-derived access volume flow: novel predictor of success following endovascular repair of failing or nonmaturing arteriovenous fistulae for hemodialysis.
The objective of this study was to evaluate the feasibility of duplex scanning-derived access volume flow (DAVQ) to predict the success or failure of arteriovenous fistulae (AVF) after interventions. Eighty-eight DAVQ measurements were available for 60 AVF in 59 patients. In 25 cases, physical examination findings or inadequate dialysis suggested failing (11) or nonmaturing (14) AVF. Outflow stenoses (1-4; mean 1.2 +/- 0.8) were confirmed by contrast fistulograms in 23 cases (17 peripheral; 6 central). These 23 cases underwent successful endovascular repair (17 balloon angioplasty; 6 stents) and had pre- and postintervention DAVQ measurements within 2 weeks of the procedure. Each was measured three times in a nontortuous venous segment with laminar flow, and mean values were used for compa......
POSTED 12/31/2009 at 06:00 PM --
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Clinical research Contrast-induced nephropathy in patients undergoing primary angioplasty for acute myocardial infarction: incidence, a simple risk score, and prognosis
Conclusions: Contrast-induced nephropathy in patients with STEMI undergoing primary PCI is associated with a markedly increased risk of major cardiovascular events as well as in-hospital and long-term mortality. (Source: Articles of Archives of Medical Science - TERMEDIA publishing house)...
POSTED 12/30/2009 at 06:41 AM --
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Central venous disease in hemodialysis patients: prevalence, etiology and treatment.
Authors: Kundu S
A common problem in the management of hemodialysis patients is central venous occlusive disease. There has been extensive literature on the treatment of this important and prevalent problem. Treatment options to date include percutaneous balloon angioplasty, bare metal stents and surgical bypass. Unfortunately, all the available treatment options have poor long-term patency, requiring repetitive intervention. More recently, covered stents have been mentioned in the literature for the treatment of central venous stenosis and obstruction. There is very little data to date on this technology, and further randomized controlled trials will be needed to compare the efficacy of percutaneous balloon angioplasty, bare metal stents and covered stents. It appears prevention of th......
POSTED 12/28/2009 at 06:00 PM --
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Ribonucleotide Reductase Inhibitors Reduce Atherosclerosis in a Double-Injury Rabbit Model.
Authors: Gallaugher LD, Henry JC, Kearns PN, Elford HL, Bergdall VK, Cardounel AJ
Atheroproliferative disorders such as atherosclerosis are an important health problem and one of the leading causes of morbidity and mortality in the United States. Minimally invasive therapeutic procedures, including angioplasty with stent deployment, are used frequently for obstructive coronary artery disease. However, restenosis, a proliferative vascular response, is a common sequela to this procedure. The current study investigated the effect of inhibiting ribonucleotide reductase (RR), an enzyme necessary for cellular proliferation, in an attempt to ameliorate the proliferative response. Two RR inhibitors, didox and hydroxyurea, were chosen for their potent antiproliferative properties. Studies were ......
POSTED 12/27/2009 at 04:56 AM --
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Brain salvage for cardiac cerebral embolism following myocardial infarction
Acute ischemic stroke due to thromboembolism from the left ventricle is a serious complication following myocardial infarction (MI). Despite the attention given to acute stroke intervention, peri-MI ischemic stroke is an underappreciated condition. Here, we describe a case of acute cardiac thromboembolic occlusion of the middle cerebral artery with preceding MI in which brain salvage was achieved by balloon angioplasty. © 2009 Wiley-Liss, Inc. (Source: Catheterization and Cardiovascular Interventions)...
POSTED 12/17/2009 at 06:00 PM --
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[Percutaneous mechanical atherectomy for treatment of peripheral arterial occlusive disease.]
Authors: Buecker A, Minko P, Massmann A, Katoh M
Peripheral arterial occlusive disease (PAOD) is still an extremely important politico-economic disease. Diverse treatment procedures exist but the pillars of therapy are changes in lifestyle, such as nicotine abstinence and walking exercise as well as drug therapy. Further therapy options are considered after conventional procedures have been exhausted. These further options consist of improvement of the blood supply by surgical or minimally invasive procedures. The latter therapy options include balloon dilatation and stenting as the most widely used techniques. More recent techniques also used are cryoplasty, laser angioplasty, drug-coated stents or balloons as well as brachytherapy or atherectomy, whereby this list makes no claims to ......
POSTED 12/16/2009 at 06:00 PM --
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