Purpose: To evaluate the diagnostic performance and effect on therapeutic management of 64-section computed tomographic (CT) angiography in the assessment of steno-occlusive disease in patients with peripheral arterial disease (PAD), with conventional digital subtraction angiography (DSA) as the reference standard. Published online before print October 3, 2011, doi: 10.1148/radiol.11103564 December 2011 Radiology, 261, 976-986. Copyright © RSNA, 2011
Purpose: To examine the efficacy of venous sac embolization (VSE) in comparison with transcatheter feeding artery embolization (FAE) for treatment of pulmonary arteriovenous malformations (PAVMs). Journal of Vascular and Interventional Radiology Volume 23, Issue 12 , Pages 1566-1577, December 2012. Copyright © 2012 SIR. Published by Elsevier Inc. All rights reserved.
Background and Purpose—Stroke is a known cerebrovascular complication in lung cancer patients; however, whether lung cancer patients are at elevated risk of developing stroke relative to the noncancer population remains unclear. Stroke. 2011; 42: 3034-3039 Published online before print September 8, 2011, doi: 10.1161/STROKEAHA.111.615534. Copyright © 2011 American Heart Association, Inc. All rights reserved.
Background: Optical coherence tomography (OCT) is a new imaging technique capable of obtaining high-resolution intravascular images of small vessels and has been widely used in interventional cardiology. However, application of OCT in peripheral pulmonary arteries in patients has been seldom documented. Chinese Medical Journal 2012;125(17):3171-3174.
Purpose: To find a significant predictive factor for the efficacy of endovascular treatment of peripheral arteriovenous malformations (AVMs). Journal of Vascular and Interventional Radiology Volume 23, Issue 11 , Pages 1478-1486, November 2012. Copyright © 2012 SIR. Published by Elsevier Inc. All rights reserved.
Abstract: Tranarterial chemoembolization (TACE) has been established by a meta-analysis of randomized controlled trials as the standard of care for nonsurgical patients with large or multinodular noninvasive hepatocellular carcinoma (HCC) isolated to the liver and with preserved liver function. Although conventional TACE with administration of an anticancer-in-oil emulsion followed by embolic agents has been the most popular technique, the introduction of embolic drug-eluting beads has provided an alternative to lipiodol-based regimens. CardioVascular and Interventional Radiology October 2012, Volume 35, Issue 5, pp 980-985 Copyright © The Author(s) 2011. This article is published with open access at Springerlink.com
Purpose: To prospectively evaluate the safety and efficacy of microwave ablation therapy of unresectable pulmonary metastases. November 2011 Radiology, 261, 643-651. Copyright © RSNA, 2011
Purpose: Before yttrium-90 (90Y) radioembolization administration, the authors consolidated arterial inflow by embolizing variant hepatic arteries (HAs) to make microsphere delivery simpler and safer. The present study reviews the technical and clinical success of these consolidation procedures. Journal of Vascular and Interventional Radiology Volume 22, Issue 10 , Pages 1364-1371.e1, October 2011. Copiright © 2011 SIR. Published by Elsevier Inc. All rights reserved.
Percutaneous ablation in the kidney is now performed as a standard therapeutic nephron-sparing option in patients who are poor candidates for resection. Its increasing use has been largely prompted by the rising incidental detection of renal cell carcinomas with cross-sectional imaging and the need to preserve renal function in patients with comorbid conditions, multiple renal cell carcinomas, and/or heritable renal cancer syndromes. Clinical studies to date indicate that radiofrequency ablation and cryoablation are effective therapies with acceptable short- to intermediate-term outcomes and with a low risk in the appropriate setting, with attention to pre-, peri-, and postprocedural detail. The results following percutaneous radiofrequency ablation and cryoablation in the treatment of renal cell carcinoma are reviewed in this article, including those of several larger scale studies of ablation of T1a tumors. Clinical and technical considerations unique to ablation in the kidney are presented, and potential complications are discussed. November 2011 Radiology, 261, 375-391. Copyright © RSNA, 2011
Purpose: To prospectively evaluate the impact of C-arm CT on radiation exposure to hepatocellular carcinoma (HCC) patients treated by chemoembolization. Journal of Vascular and Interventional Radiology Volume 22, Issue 11 , Pages 1535-1543, November 2011. Copyright © 2012 SIR. Published by Elsevier Inc. All rights reserved.
Purpose: To determine whether venous wall thickness and hoop (circumferential) stress, as determined with high-frequency ultrasonography (US), can predict cannulation readiness in arteriovenous fistulas (AVFs). Published online before print August 30, 2011, doi: 10.1148/radiol.11102439 November 2011 Radiology, 261, 616-624. Copyright © RSNA, 2011
Preprocedure: Most hepatic arteriovenous shunts (HAVS) associated with hepatocellular carcinoma (HCC) occur with advanced stage liver cancer, and these patients typically have a dismal prognosis. Transcatheter arterial embolization (TAE) in this population carries significant risk. Therefore, proper patient selection is critical to determine which patients may benefit from TAE. The Child-Pugh score should be calculated because TAE is poorly tolerated in HCC patients with Child-Pugh class C. We choose transcatheter arterial infusion instead of TAE for those patients. In patients with elevated liver enzymes in addition to increased serum bilirubin levels, there is a propensity for hepatic failure and thus TAE may be contraindicated. Semin intervent Radiol 2012; 29(03): 237-240 DOI: 10.1055/s-0032-1326935. Copyright © 2012 by Thieme Medical Publishers, Inc.
Objectives The purpose of this study was to assess cost-effectiveness and long-term clinical benefits of renal denervation in resistant hypertensive patients. J Am Coll Cardiol. 2012;60(14):1271-1277. doi:10.1016/j.jacc.2012.07.029. Copyright © 2012 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.
Chronic kidney disease (CKD) is frequently observed in patients with arterial hypertension. The same factors that promote the appearance and progression of atherosclerosis can also promote the development of CKD. Two parameters are usually measured to estimate alterations in renal function, the presence of albuminuria, and the estimation of glomerular filtration rate (GFR). Microalbuminuria and a decreased estimated GFR (<60 mL/min/1.73 m2) are both accompanied by a significant increase in cardiovascular (CV) risk. Chronic kidney disease can develop all over the cardiorenal continuum and its presence in hypertensive patients with already developed CV disease contributes to a further increase in the development of events and death. Renal protection will in turn obtain CV protection and the treatment to be used is similar to that employed to prevent or to treat established CV disease. Eur Heart J (2011) 32 (13): 1599-1604. doi: 10.1093/eurheartj/ehr003 First published online: March 28, 2011. Published on behalf of the European Society of Cardiology. All rights reserved. Copyright © The Author 2011.
The diagnosis and management of patients with renovascular disease and hypertension continue to elude healthcare providers. The advent of novel imaging and interventional techniques, and increased understanding of the pathways leading to irreversible renal injury and renovascular hypertension, have ushered in commendable attempts to optimize and finetune strategies to preserve or restore renal function and control blood pressure. Large randomized clinical trials that compare different forms of therapy, and smaller trials that test novel experimental treatments, will hopefully help formulate innovative concepts and tools to manage the patient population with atherosclerotic renovascular disease. Eur Heart J (2011) 32 (13): 1590-1598. doi: 10.1093/eurheartj/ehq510 First published online: January 27, 2011. Published on behalf of the European Society of Cardiology. All rights reserved. Copyright © The Author 2011
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