• Coronary artery bypass grafting (CABG) and percutaneous transluminal coronary angioplasty (PTCA) are more effective than medical treatment for the management of ischaemic heart disease. (nih.gov)
  • For several decades, coronary artery bypass grafting (CABG) has been considered as the gold standard treatment of unprotected left main coronary artery (LMCA) disease. (amrita.edu)
  • Prospective, multi-center, randomized, within-subject-controlled , trial, enrolling patients with multi vessel atherosclerotic coronary artery disease, scheduled to undergo SVG CABG with arterial grafting of IMA to LAD and two or more saphenous vein grafts. (mayo.edu)
  • Before coronary artery bypass grafting (CABG), the patient's medical history should be carefully examined for factors that might predispose to complications. (medscape.com)
  • Coronary artery bypass grafting (CABG) is performed for patients with coronary artery disease (CAD) to improve quality of life and reduce cardiac-related mortality. (medscape.com)
  • HeRO Graft (Hemodialysis Reliable Outflow) is the ONLY fully subcutaneous AV access solution clinically proven to maintain long-term access for hemodialysis patients with central venous stenosis . (merit.com)
  • This reproducible model can be used to study central venous stenosis. (jove.com)
  • Central venous stenosis can cause both aortocaval fistula, or AVF, primary failure of maturation, as well as later failure in a working fistula. (jove.com)
  • The vein graft was left on the end of the cannulae and using a parachute technique an end-to-end anastomosis was first created in the distal SVC at the confluence of the right internal jugular and subclavian veins. (ctsnet.org)
  • They add that the current study, AVeVA (Arteriovenous stent graft in the treatment of stenosis at the graft-vein anastomosis of AV graft circuits), examined a self-expanding nitinol covered stent (Covera) that is more flexible than the device used in two of those prior studies (Flair, BD). (vascularnews.com)
  • Purpose: To create a more clinically relevant model of hemodialysis graft failure in pigs by creating chronic renal insufficiency before polytetrafluoroethylene (PTFE) hemodialysis graft placement and to determine the expression of hypoxia-inducible factor-1α (HIF-1α) at the vein-to-graft anastomosis (VGA). (elsevierpure.com)
  • HeRO Graft is classified by the FDA as a graft, but differs from a conventional AV graft since it has no venous anastomosis. (merit.com)
  • This covered stent platform is designed to balance the flexibility and strength required to address challenging lesions from the terminal cephalic arch, to the basilic swingpoint segments, to the AV graft venous anastomosis. (bd.com)
  • Prospective, Multicenter Clinical Study of the Covera Vascular Covered Stent in the Treatment of Stenosis at the Graft-Vein Anastomosis of Dysfunctional Hemodialysis Access Grafts. (bd.com)
  • There was no technical difficulty during either the development or the anastomosis between the grafts. (vin.com)
  • or stenosis at proximal anastomosis (I.2. (vin.com)
  • We present a case of coral reef aorta with hemodynamically significant symptomatic aortic stenosis causing intermittent claudication and bilateral cyanosis of the toes. (thieme-connect.com)
  • 11 Donas KP, Schönefeld T, Schlabach R, Torsello G. Eccentric infrarenal aortic stenosis. (thieme-connect.com)
  • Aortic stenosis (AS) is narrowing of the aortic valve, obstructing blood flow from the left ventricle to the ascending aorta during systole. (msdmanuals.com)
  • Lipoprotein (a) is implicated in the pathogenesis of both aortic stenosis and atherosclerosis. (msdmanuals.com)
  • are at increased risk for atherosclerosis, and more recently, psoriasis has been tied to an increased risk of aortic stenosis. (msdmanuals.com)
  • Severe Functional Tricuspid Stenosis Secondary to a Giant Saphenous Vein Bypass Graft Aneurysm. (qxmd.com)
  • and subclinical carotid artery stenosis documented by ultrasound (defined as ≥50% lumen stenosis) and aortic atherosclerotic disease (defined as an abdominal aortic aneurysm). (natap.org)
  • Stenosis is a major risk factor for thrombosis. (medscape.com)
  • Monthly screening is required with the hope of finding a stenosis and intervening before eventual thrombosis develops. (medscape.com)
  • Do they predict graft thrombosis? (medscape.com)
  • Vein graft atherosclerotic lesions are more diffuse and concentric, yet less calcified, compared to native atherosclerotic lesions, and are more susceptible to thrombosis formation and rupture. (wikipedia.org)
  • The image demonstrates the typical rounded tardus parvus waveform morphology, which is indicative of upstream arterial thrombosis or severe stenosis. (medscape.com)
  • C-1: Gortex hepatic artery graft thrombosis in a 59-year-old man (shown by arrow). (medscape.com)
  • thrombosis of the arterial graft (single arrow). (medscape.com)
  • These plaques can cause stenosis (see the image below), embolization, and thrombosis. (medscape.com)
  • The aim of the study was to work out and testify a new arterial replacement method with autograft developed from internal rectus sheath to eliminate common complications with traditional vascular replacement techniques such as thrombosis, complicated arterial reconstruction or Cyclosporine induced graft degeneration. (vin.com)
  • Weigh the risks and benefits of placing a central venous device at a recommended site to reduce infectious complications against the risk for mechanical complications (e.g., pneumothorax, subclavian artery puncture, subclavian vein laceration, subclavian vein stenosis, hemothorax, thrombosis, air embolism, and catheter misplacement). (cdc.gov)
  • The ultimate test for identifying a stenosis is angiography. (medscape.com)
  • Ultrasonography (US), CT, MRI, cholangiography, angiography and scintigraphy are the most common radiological modalities used to evaluate the hepatic graft. (medscape.com)
  • Appropriately sized and accessible target coronary arteries, with a minimum diameter of 1.5 mm and adequate vascular bed (without significant distal stenosis), as assessed by pre-operative cardiac angiography. (mayo.edu)
  • Having an intact outer fat pedicle is what differentiates the two main techniques for harvesting saphenous vein grafts. (wikipedia.org)
  • Doty, et al, have reported on their experience of SVC bypass using the spiral vein graft and demonstrated excellent long-term patency rates (87.5% patency at a mean of 10.9 years) [3]. (ctsnet.org)
  • In medicine, vein graft failure (VGF) is a condition in which vein grafts, which are used as alternative conduits in bypass surgeries (e.g. (wikipedia.org)
  • Should patients with stenosis of the left main coronary artery waiting for bypass grafting be given priority? (cmaj.ca)
  • Tector, A.J., Schmahl, T.M. and Canino, V.R. (1983) The Internal Mammary Artery Graft: The Best Choice for Bypass of the Diseased Left Anterior Descending Coronary Artery. (scirp.org)
  • Tanaka, N. (2009) Pharmacological Studies on Responsiveness of 5-Hydroxytryptamine in Overcoming Perioperative Spasm of Coronary Artery Bypass Graft. (scirp.org)
  • Janelle, G.M., Urdaneta, F., Martin, T.D. and Lobato, E.B. (2000) Effects of Calcium Chloride on Grafted Internal Mammary Artery Flow after Cardiopulmonary Bypass. (scirp.org)
  • Recent results from a clinical trial support the novel concept that polymeric injection plus coronary artery bypass grafting leads to decreased myofiber stress, restored left ventricular geometry and improved function. (ucsf.edu)
  • History of coronary artery bypass graft OR 6. (uclahealth.org)
  • METHODS: We studied 5463 patients undergoing aortic valve surgery, mitral valve surgery, or septal myectomy with or without coronary artery bypass grafting from 2001 to 2010. (who.int)
  • The HeRO Graft is a hemodialysis access graft for patients who are failing fistulas or grafts or are catheter-dependent due to the blockage of veins leading to the heart. (merit.com)
  • HeRO Graft Candidates / Is HeRO Graft Right for You? (merit.com)
  • The HeRO Graft Arterial Graft Component has a 6mm inner diameter (ID), 7.4mm outer diameter (OD), and is 53cm long, inclusive of the connector. (merit.com)
  • The HeRO Graft Venous Outflow Component has a 5mm ID, 19F (6.3mm) OD, and is 40cm long. (merit.com)
  • See the HeRO Graft Instructions for use . (merit.com)
  • HeRO Graft is a fully subcutaneous surgical implant. (physiciansofficeresource.com)
  • A proprietary Arterial Graft ComponentThe HeRO Graft Accessory Components provides instruments and accessories (such as, peel away sheaths and dilators, stylet, disposable clamp, hemostasis plug and hemostatic Y-valve with stopcock) that may aid in the placement of the HeRO Graft. (physiciansofficeresource.com)
  • Our goal is to perform either surveillance (high tech) or clinical monitoring (low tech) of AVGs with an aim to identify those with a greater than 50% stenosis. (medscape.com)
  • Generally, symptomatic patients with greater than 50% stenosis and healthy, asymptomatic patients with greater than 60% stenosis warrant consideration for CEA. (medscape.com)
  • The solutions in which vein grafts are stored after harvesting also play an important role. (wikipedia.org)
  • Two or more vein grafts: 1 for the right coronary artery, 1 or more for the left coronary arteries, with native vessels having at least 75% stenosis. (mayo.edu)
  • A patient who is candidate for one, two, or more arterial grafts would only be eligible if in addition to the arterial grafts at least two vein grafts are used as specified above. (mayo.edu)
  • We have carried out such a comparison in patients with isolated proximal left anterior descending artery stenosis, conserved left ventricular function, and documented ischaemia. (nih.gov)
  • Of the 181 patients who gave informed consent to participate, 71 did not meet the study eligibility criteria-with 75% deemed not to have angiographic evidence of ≥50% stenosis and clinical evidence of graft dysfunction-meaning 110 patients (mean age=64.3 years, 54.5% female, mean body mass index [BMI]=28.7kg/m 2 ) were ultimately enrolled and treated with the Covera device. (vascularnews.com)
  • Can ultrasound surveillance of a dialysis patient's arteriovenous graft (AVG) provide better long-term access patency over simple clinical monitoring? (medscape.com)
  • A combination of these clinical parameters has a 69-93% positive predictive value for angiographically confirmed stenosis. (medscape.com)
  • The reasons why some of the grafts progress to clinical stenosis is unknown. (wikipedia.org)
  • We developed a tissue-engineered vascular graft (TEVG) for use in children and present results of a U.S. Food and Drug Administration (FDA)-approved clinical trial evaluating this graft in patients with single-ventricle cardiac anomalies. (stanford.edu)
  • The simulations predicted early stenosis as observed in our clinical trial but suggested further that such narrowing could reverse spontaneously through an inflammation-driven, mechano-mediated mechanism. (stanford.edu)
  • The Covera™ Vascular Covered Stent delivered effective results in two separate clinical trials, one for patients dialyzing with AV grafts and one for patients dialyzing with AV fistulas. (bd.com)
  • Clinical role of graft tissue preservation. (vin.com)
  • The bones are taken from other parts of a patient's body such as a hip, from an artificial grafting material, or from a cadaver. (lawyer.com)
  • Eligible patients presenting to a single centre were randomly assigned PTCA (68 patients) or left internal mammary grafting (66). (nih.gov)
  • November 25, 2009 (New York, New York) - Mounting evidence suggests that carotid artery stenting is much less safe than carotid endarterectomy in patients with symptomatic and asymptomatic carotid artery stenosis. (medscape.com)
  • These patients had carotid stenosis greater than 70% in the absence of symptoms. (medscape.com)
  • Paulson et al went on to show in a meta-analysis that flow monitoring was unable to identify the subset of patients with stenosis who went on to thrombose. (medscape.com)
  • VGF may be identified in asymptomatic patients, but can also produce symptoms of ischemia, depending on the area of the supplied territory of the heart, and the function of native arteries and other grafts. (wikipedia.org)
  • Dr. Abramowitz is the only physician at MedStar Washington Hospital Center performing endovascular iliocaval reconstruction, a two-stage minimally invasive reconstructive technique that has been paramount in the treatment of patients diagnosed with vena caval stenosis and central venous occlusive disease. (medstarhealth.org)
  • The marked improvement in technique and technology makes percutaneous coronary interventions (PCIs) feasible for patients with unprotected LMCA stenosis. (amrita.edu)
  • In patients with urethral stricture longer than 2 cm who are not candidates for other techniques, graft urethroplasty is the most performed surgery. (thieme-connect.com)
  • The HeRO (Hemodialysis Reliable Outflow) Graft is a long-term access solution for access-challenged and catheter-dependent patients. (physiciansofficeresource.com)
  • If successful, Symic's innovative and pioneering approach to prevent vascular access stenosis could not only improve the quality of life and survival of ESRD patients, but also and reduce costs to the healthcare system. (news-medical.net)
  • Over years, aortic sclerosis progresses to stenosis in as many as 15% of patients. (msdmanuals.com)
  • Management of cephalic arch stenosis: Have stent grafts become the gold standard? (cxsymposium.com)
  • He, G.W., Fan, K.Y., Chiu, S.W. and Chow, W.H. (2000) Injection of Vasodilators into Arterial Grafts through Cardiac Catheter to Relieve Spasm. (scirp.org)
  • She also demonstrated failure to thrive, developmental delay, mild pulmonic stenosis, and gastroesophageal reflux. (cdc.gov)
  • Over time continued SMC migration and proliferation cause extracellular matrix deposition and fibrotic change that lead to development of intimal hyperplasia, which results in luminal loss that makes the graft more susceptible to atherosclerosis. (wikipedia.org)
  • Progressive atherosclerosis is the primarily cause of late vein graft failure. (wikipedia.org)
  • The cause of aortic sclerosis and stenosis is not yet known but is mediated by an inflammatory process that is similar to but distinct from atherosclerosis. (msdmanuals.com)
  • The criterion standard for airway evaluation is direct laryngoscopy and direct bronchoscopy, while surgical therapies for subglottic stenosis (SGS) include serial endoscopic dilation, open reconstruction, the anterior cricoid split (ACS), single-stage laryngotracheoplasty with cartilage expansion, anterior and posterior cricoid splitting with costal cartilage grafts placed anteriorly and posteriorly, and partial cricotracheal resection. (medscape.com)
  • The main indications for tracheal reconstruction include malignant tumours (squamous cell carcinoma, adenoid cystic carcinoma), tracheoesophageal fistula, trauma, unsuccessful surgical results for benign diseases and congenital stenosis. (ersjournals.com)
  • Tracheal reconstruction and replacement is a complex and vital surgical procedure with several indications, including primary tracheal neoplasm (adenoid cystic carcinoma and squamous cell carcinoma), thyroid cancer, extensive tracheoesophageal fistulas, unsuccessful previous surgery for benign tracheal diseases (re-stenosis, long-term stenosis that has been dilated or been non-surgically repaired) and, rarely, congenital tracheal stenosis. (ersjournals.com)
  • Describe the advantages and disadvantages of the surgical techniques currently used in graft urethroplasty, as well as their success rates. (thieme-connect.com)
  • Renal transplantation is the most effective treatment for end-stage renal disease, with advanced immunosuppressive therapy and better surgical techniques resulting in better survival of the graft. (thieme-connect.de)
  • If you have a graft or fistula, keep the dressing dry for the first 2 days. (medlineplus.gov)
  • The blood vessels in your graft or fistula can become narrow and slow down the flow of blood through the access. (medlineplus.gov)
  • Change where the needle goes into your fistula or graft for each dialysis treatment. (medlineplus.gov)
  • An aortocaval fistula was created by puncturing the murine infra-renal aorta through both walls into the inferior vena cava and was followed by creation of a stenosis in its outflow via partial ligation of the inferior vena cava. (jove.com)
  • Symic's therapeutic has the potential to address the underlying cause of both AV fistula and AV graft stenosis, without requiring changes in the process of how these procedures are performed. (news-medical.net)
  • Grafts and catheters are more likely than fistulas to become infected. (medlineplus.gov)
  • 05). Conclusions: A more clinically relevant porcine model of hemodialysis graft failure was created, and there was significantly increased expression of HIF-1α by day 7 at the VGA. (elsevierpure.com)
  • It consists of an ePTFE hemodialysis graft with PTFE beading to provide kink resistance near the proprietary titanium connector. (merit.com)
  • We report the use of EVNP to assess graft perfusion quality following indication nephrectomy and back-bench arterial reconstruction in a case of renal artery stenosis, unamenable to endovascular treatment. (bmj.com)
  • Despite the challenging anatomy for endovascular treatment, the patient underwent successful transfemoral endovascular stent-graft placement. (thieme-connect.com)
  • Although, EVH has been associated with higher risk of vein graft stenosis and occlusion. (wikipedia.org)
  • Buffered saline, instead of saline or blood, has shown to reduce the risk of significant stenosis or occlusion. (wikipedia.org)
  • In this study, we present two cases of early-stage carcinoma of the EAC treated by canal reconstruction using skin grafts after lateral temporal bone resection. (hindawi.com)
  • The titanium connector attaches the Arterial Graft Component to the Venous Outflow Component. (merit.com)
  • The HeRO (Hemodialysis Reliable Outflow) Graft is a longterm access solution for access-challenged and catheter-dependentpatients. (physiciansofficeresource.com)
  • The Adapter (a separate commercially available 6mm ID vascular graft is not included with the Adapter)The Venous Outflow Component (not included) has a 5mm inner diameter (ID), 19F outer diameter (OD), and is 40cm long. (physiciansofficeresource.com)
  • Itconsists of radiopaque silicone with braided nitinol reinforcement (for kink and crush resistance) and a radiopaque marker bandat the tip.The Adapter connects a 6mm ID vascular graft (not included) to the Venous Outflow Component. (physiciansofficeresource.com)
  • The Adapter (titanium) has a tapered ID (6mm to 5mm) to provide a smooth transition from a 6mm ID vascular graft to the 5mm ID Venous Outflow Component. (physiciansofficeresource.com)
  • The term subglottic stenosis (SGS) implies a narrowing that is created or acquired, although the term is applied to both congenital lesions of the cricoid ring and acquired subglottic stenosis (SGS). (medscape.com)
  • Endoscopic view of the true vocal cords in the foreground and the elliptical congenital subglottic stenosis (SGS) in the center of the picture. (medscape.com)
  • Subglottic view of very mild congenital subglottic stenosis. (medscape.com)
  • Preoperative subglottic view of a 2-year-old patient with congenital and acquired vertical subglottic stenosis. (medscape.com)
  • The market for spinal cord compression-spinal stenosis is rising due to factors such as rise in the cases of arthritis, congenital spinal defects, instability of the spine, and slip-disc due to reasons such as spondylitis, trauma and tumours. (openpr.com)
  • A rolled-up skin graft with a temporal muscle flap was useful for keeping the form and maintaining the postoperative hearing. (hindawi.com)
  • An adequate size of the skin graft and blood supply to the graft bed are important for achieving a successful operation. (hindawi.com)
  • A full thickness skin graft was taken from the posterior part of the auricle. (hindawi.com)
  • The anterior and inferior parts of the EAC were covered by the skin graft, and a superior extremity of the skin graft was sutured to the inlet of the EAC. (hindawi.com)
  • A split thickness skin graft was rolled up as a tube using a gelatin sponge (Gelform) as a guide, and was inset into the defect. (hindawi.com)
  • The superior extremity of the skin graft was sutured to the inlet of the EAC, and the inferior extremity of the skin graft was also sutured with fascia as a substitute material for the tympanic membrane (Figure 3 ). (hindawi.com)
  • The anterior and inferior parts of the rolled-up skin graft were attached to surrounding soft tissue by fibrin glue, and the superior and posterior parts of the graft were covered by a pedicle muscle flap. (hindawi.com)
  • Partial glandectomy with thigh skin graft was performed. (bvsalud.org)
  • Postoperative view of a 4-month-old infant with subglottic stenosis following cricoid split. (medscape.com)
  • The postoperative course was uneventful, and the graft skin survived completely. (hindawi.com)
  • Troubled by the lack of suitable conduit for SVC reconstruction the Canadian surgeon Ray Chiu developed and perfected the technique of spiral vein grafting in 1973 [1]. (ctsnet.org)
  • Some mild residual posterior subglottic stenosis remains, but the child is asymptomatic and the airway is open overall. (medscape.com)
  • The authors detail that the mean anastomotic lesion stenosis at the time of treatment was 71.5%, decreasing to a mean residual stenosis of 21% following PTA predilation. (vascularnews.com)
  • The mean residual stenosis at procedure completion was 0.9%, Dolmatch and colleagues report. (vascularnews.com)
  • the lesion was successfully treated with a stent graft. (thejns.org)
  • A A 52-year-old male patient presented to the urology office with a two-year history of noticing a Abordaje quirúrgico bright red, pruritic, and painful lesion on the glans and foreskin with a progressive increase in size that did not improve with primario en un paciente antibiotic and antifungal treatments. (bvsalud.org)
  • Documented or suspected untreated diffuse peripheral vascular disease such as: carotid stenosis or claudication of the extremities. (mayo.edu)
  • A prospective, multicentre study involving the Covera vascular covered stent (BD) has confirmed the benefits of immediate, post-percutaneous transluminal angioplasty (PTA) placement of the device in treating arteriovenous graft (AVG) venous anastomotic stenosis when anatomically and clinically suitable. (vascularnews.com)
  • Twenty-eight days after embolization, PTFE grafts were placed from the carotid artery to the ipsilateral jugular vein and removed 3, 7, and 14 days after graft placement. (elsevierpure.com)
  • Treatment of symptomatic coral reef aorta by endovascular stent-graft placement. (thieme-connect.com)
  • 8 Myouchin K, Takayama K, Wada T, Taguchi H, Tanaka T, Kichikawa K. Treatment of coral reef aorta by endovascular VIABAHN VBX balloon-expandable stent-graft placement. (thieme-connect.com)
  • The median time from graft creation to permanent failure is ~2 years. (medscape.com)
  • Grafts remained patent and functioned at median 370 cm/sec flow rate detected and measured by doppler. (vin.com)
  • Then use the microneedle holder to dissect the infrarenal aorta and IVC en bloc from the lateral and dorsal surrounding retroperitoneal tissues to cross-clamp the tissues together, and dissect the surrounding tissues to expose the aortic puncture site at approximately three-quarters of the distance from the left renal vein to the aortic bifurcation. (jove.com)
  • Treatment of symptomatic coral reef aorta with an uncovered stent graft. (thieme-connect.com)
  • 15 Isoda R, Morita I, Mano M, Ishida A. Balloon-expandable stent graft for coral reef aorta. (thieme-connect.com)
  • 3. Bilfinger, T.V. et al: Parallel growth of rectus sheath grafts and recipient aorta. (vin.com)
  • The TEVG was used as a Fontan conduit to connect the inferior vena cava and pulmonary artery, but a high incidence of graft narrowing manifested within the first 6 months, which was treated successfully with angioplasty. (stanford.edu)
  • He completed his PhD in biomedical engineering at Yale University as an NSF Graduate Research Fellow, where his dissertation work focused on the design of tissue engineered vascular grafts for use in the Fontan procedure. (stanford.edu)
  • During the procedure, surgeons use bone grafting to fuse together the pieces of vertebrae. (lawyer.com)