01 diciembre 2015

RADIOLOGY. Hepatocellular Carcinoma: A Phase II Randomized Controlled Double-Blind Trial of Transarterial Chemoembolization in Combination with Biweekly Intravenous Administration of Bevacizumab or a Placebo

Matthias Pinter, MD Gregor Ulbrich, MD Wolfgang Sieghart, MD Claus Kölblinger, MD Thomas Reiberger, MD Shuren Li, MD Arnulf Ferlitsch, MD Christian Müller, MD Johannes Lammer, MD Markus Peck-Radosavljevic, MD

Purpose: To investigate the efficacy and safety of conventional transarterial chemoembolization (TACE) (cTACE) in combination with bevacizumab or a placebo in patients with hepatocellular carcinoma (HCC) in a randomized controlled double-blind phase II trial.

01 diciembre 2015

RADIOLOGY. Effect of Change in Portal Venous Blood Flow Rates on the Performance of a 2.45-GHz Microwave Ablation Device

Gerald D. Dodd III, MD Sarah M. Kreidler, DPT, MS Anthony C. Lanctot, MS Deborah H. Glueck, PhD

Purpose: To investigate the effect of change in portal venous blood flow rates on the size and shape of ablations created by a 2.45-GHz microwave ablation device.

01 diciembre 2015

RADIOLOGY. Feasibility of a Modified Cone-Beam CT Rotation Trajectory to Improve Liver Periphery Visualization during Transarterial Chemoembolization

Rüdiger E. Schernthaner, MD Julius Chapiro, MD Sonia Sahu, BA Paul Withagen, PhD Rafael Duran, MD Jae Ho Sohn, MS Alessandro Radaelli, PhD Imramsjah Martin van der Bom, PhD Jean-François H. Geschwind, MD MingDe Lin, PhD

Purpose: To compare liver coverage and tumor detectability by using preprocedural magnetic resonance (MR) images as a reference, as well as radiation exposure of cone-beam computed tomography (CT) with different rotational trajectories.

01 diciembre 2015

RADIOLOGY. New-Generation Laser-lithographed Dual-Axis Magnetically Assisted Remote-controlled Endovascular Catheter for Interventional MR Imaging: In Vitro Multiplanar Navigation at 1.5 T and 3 T versus X-ray Fluoroscopy

Parham Moftakhar, MD Prasheel Lillaney, PhD Aaron D. Losey, MD Daniel L. Cooke, MD Alastair J. Martin, PhD Bradford R. H. Thorne, Ronald L. Arenson, MD Maythem Saeed, DVM, PhD Mark W. Wilson, MD Steven W. Hetts, MD

Purpose: To assess the feasibility of multiplanar vascular navigation with a new magnetically assisted remote-controlled (MARC) catheter with real-time magnetic resonance (MR) imaging at 1.5 T and 3 T and to compare it with standard x-ray guidance in simulated endovascular catheterization procedures.

01 enero 2016

RADIOLOGY. Microwave Ablation: Comparison of Simultaneous and Sequential Activation of Multiple Antennas in Liver Model Systems

Colin M. Harari, BS Michelle Magagna, BS Mariajose Bedoya, MS Fred T. Lee, Jr, MD Meghan G. Lubner, MD J. Louis Hinshaw, MD Timothy Ziemlewicz, MD Christopher L. Brace, PhD

Purpose: To compare microwave ablation zones created by using sequential or simultaneous power delivery in ex vivo and in vivo liver tissue.

01 enero 2016

RADIOLOGY. Intra-adrenal Aldosterone Secretion: Segmental Adrenal Venous Sampling for Localization

Nozomi Satani, MD, PhD Hideki Ota, MD, PhD Kazumasa Seiji, MD, PhD Ryo Morimoto, MD, PhD Masataka Kudo, MD, PhD Yoshitsugu Iwakura, MD, PhD Yoshikiyo Ono, MD, PhD Masahiro Nezu, MD, PhD Kei Omata, MD, PhD Sadayoshi Ito, MD, PhD Fumitoshi Satoh, MD, PhD Kei Takase, MD, PhD

Purpose: To use segmental adrenal venous sampling (AVS) (S-AVS) of effluent tributaries (a version of AVS that, in addition to helping identify aldosterone hypersecretion, also enables the evaluation of intra-adrenal hormone distribution) to detect and localize intra-adrenal aldosterone secretion.

01 enero 2016

RADIOLOGY. Comparison of Existing Response Criteria in Patients with Hepatocellular Carcinoma Treated with Transarterial Chemoembolization Using a 3D Quantitative Approach

Vania Tacher, MD MingDe Lin, PhD Rafael Duran, MD Hooman Yarmohammadi, MD Howard Lee, BS Julius Chapiro, MD Michael Chao, MS Zhijun Wang, MD, PhD Constantine Frangakis, PhD Jae Ho Sohn, MS Mitchell Gil Maltenfort, PhD Timothy Pawlik, MD Jean-François Geschwind, MD

Purpose: To compare currently available non–three-dimensional methods (Response Evaluation Criteria in Solid Tumors [RECIST], European Association for Study of the Liver [EASL], modified RECIST [mRECIST[) with three-dimensional (3D) quantitative methods of the index tumor as early response markers in predicting patient survival after initial transcatheter arterial chemoembolization (TACE).

01 enero 2016

RADIOLOGY. Irreversible Electroporation in Patients with Hepatocellular Carcinoma: Immediate versus Delayed Findings at MR Imaging

Siddharth A. Padia, MD Guy E. Johnson, MD Raymond S. Yeung, MD James O. Park, MD Daniel S. Hippe, MS Matthew J. Kogut, MD

Purpose: To assess the postprocedure findings of irreversible electroporation (IRE) in patients with hepatocellular carcinoma (HCC) at magnetic resonance (MR) imaging.

01 diciembre 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Differences in Patient Characteristics and Midterm Outcome Between Asian and European Patients Treated with Radiofrequency Ablation for Hepatocellular Carcinoma

Mark Christiaan Burgmans, Chow Wei Too, Marta Fiocco, Annarein J. C. Kerbert, Richard Hoau Gong Lo, Jelte J. Schaapman, Arian R. van Erkel, Minneke J. Coenraad, Bien Soo Tan

Purpose: The aim of this study was to compare patient characteristics and midterm outcomes after RFA for unresectable Hepatocellular carcinoma (HCC) in Asian and European cohorts.

01 diciembre 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Executive Summary of the Joint Position Paper on Renal Denervation of the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) and the European Society of Hypertension (ESH)

Jonathan G. Moss, Anna-Maria Belli, Antonio Coca, Michael Lee, Giuseppe Mancia, Jan H. Peregrin, Josep Redon, Jim A. Reekers, Costas Tsioufis, Dierk Vorwerk, Roland E. Schmieder

This joint position paper, composed by an author group of members of the Cardiovascular and Interventional Radiological Society of Europe (CIRSE) and the European Society of Hypertension (ESH), is being published jointly in the Cardiovascular and Interventional Radiology Journal and the Journal of Hypertension. The paper attempts to review the evidence and provide some guidance and forward direction for this new and potentially still valuable technique. The article presented here is a brief executive summary of the full paper which can be found on the CIRSE and ESH websites.

01 diciembre 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. A Decade of Drug-Eluting Technology in Peripheral Arterial Disease: Blurred by Dissembling Evidence

J. A. Reekers, C. J. M. de Vries

In 2005 the results of the Sirocco II trial, comparing the safety and efficacy of the sirolimus-eluting stents and bare nitinol stents in the superficial femoral artery were published. In this study, finally, no statistically significant differences in any of the outcomes could be shown. Since then there has been a complete revolution in drug-eluting technologies for peripheral vessels. There have been fierce debates about coatings, types of drugs, release profiles, and doses. The introduction of the drug-eluting balloons provoked a new debate about not leaving something behind. Unfortunately, the majority of the literature is about these technical details and safety and there are only a few randomized trials available for clinical analysis. Although the results of all these new devices have been presented as very successful or at least very promising, there were also a few critical voices at the background. These voices however have not had much attention, moreover they were seen as silly twaddle or flawed arguments.

01 enero 2017

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Prostate Artery Embolization for Complete Urinary Outflow Obstruction Due to Benign Prostatic Hypertrophy

Simon Chun Ho Yu, Carmen Chi Min Cho, Esther Hiu Yee Hung, Peter Ka Fung Chiu, Chi Hang Yee, Chi Fai Ng

Background: We aimed to evaluate the effectiveness of PAE in weaning of catheter and relieving obstructive urinary symptoms in patients with acute urinary retention (AUR) due to benign prostatic hypertrophy (BPH) and failed trial without catheter (TWOC).

01 febrero 2017

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Impact of Yttrium-90 Microsphere Density, Flow Dynamics, and Administration Technique on Spatial Distribution: Analysis Using an In Vitro Model

Marcus Caine, MPhil, Michael S. McCafferty, BSc, Scott McGhee, MSc, Pedro Garcia, PhD, Wayne M. Mullett, PhD, Xunli Zhang, PhD, Martyn Hill, PhD, Matthew R. Dreher, PhD, Andrew L. Lewis, PhD

Purpose: To investigate material density, flow, and viscosity effects on microsphere distribution within an in vitro model designed to simulate hepatic arteries.

01 febrero 2017

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Microwave Ablation for Lung Neoplasms: A Retrospective Analysis of Long-Term Results

Terrance T. Healey, MD, Bradford T. March, MD, Grayson Baird, MS, Damian E. Dupuy, MD

Purpose: To determine the long-term safety and efficacy of microwave (MW) ablation in the treatment of lung tumors at a single academic medical center.

01 febrero 2017

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Society of Interventional Radiology: Occupational Back and Neck Pain and the Interventional Radiologist

Robert G. Dixon, MD, Vishal Khiatani, MD, John D. Statler, MD, Eric M. Walser, MD, Mehran Midia, MD, FRCPC, Donald L. Miller, MD, Gabriel Bartal, MD, Jeremy D. Collins, MD, Kathleen A. Gross, MSN, BS, RN-BC, CRN, Michael S. Stecker, MD, Boris Nikolic, MD, MBA

Interventional radiology is a unique specialty that involves vascular and nonvascular procedures involving virtually every patient population. Currently, most interventional radiologists perform several procedures per day, some lasting hours, and also typically provide on-call coverage for hospitals 24 hours a day, 7 days a week. The physical demands are distinctly different from those of diagnostic radiology, as interventional radiology requires standing while wearing heavy personal protective garments, performing technically complex procedures, moving equipment, and changing positions to accomplish the task at hand. An interventionalist who has spent a career providing procedural care for patients and is affected by occupational musculoskeletal problems ought to be able to refer to a corresponding topic-specific societal document. As no such official Society of Interventional Radiology (SIR) document exists, it is hoped that this document will fill that void.