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ESTUDIOS


01 octubre 2012

AMERICAN JOURNAL OF ROENTGENOLOGY. Budd-Chiari Syndrome

Hector Ferral, George Behrens and Jorge Lopera

OBJECTIVE. Budd-Chiari syndrome (BCS) is an uncommon condition characterized by obstruction of the hepatic venous outflow tract. Presentation may vary from a completely asymptomatic condition to fulminant liver failure. BCS is an example of postsinusoidal portal hypertension. The management can be divided into three main categories: medical, surgical, and endovascular. The purpose of this article is to present an overall perspective of the problem, diagnosis, and management.

01 octubre 2012

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Transsinusoidal Portal Vein Embolization with Ethylene Vinyl Alcohol Copolymer (Onyx): A Feasibility Study in Pigs

Maarten L. J. Smits, Peter Vanlangenhove, Emiel J. C. Sturm, Maurice A. A. J. van den Bosch, Monirath Hav, Marleen Praet, Maarten A. D. Vente, Frédéric R. Snaps, Luc Defreyne

Purpose: Portal vein embolization is performed to increase the future liver remnant before liver surgery in patients with liver malignancies. This study assesses the feasibility of a transsinusoidal approach for portal vein embolization (PVE) with the ethylene vinyl alcohol copolymer, Onyx.

01 octubre 2012

ANNALS OF ONCOLOGY. Radiofrequency ablation combined with systemic treatment versus systemic treatment alone in patients with non-resectable colorectal liver metastases: a randomized EORTC Intergroup phase II study (EORTC 40004)

T. Ruers, C. Punt, F. Van Coevorden, J. P. E. N. Pierie, I. Borel-Rinkes, J. A. Ledermann, G. Poston, W. Bechstein, M. A. Lentz, M. Mauer, E. Van Cutsem, M. P. Lutz, B. Nordlinger and for the EORTC Gastro-Intestinal Tract Cancer Group, Arbeitsgruppe Lebermetastasen und—tumoren in der Chirurgischen Arbeitsgemeinschaft Onkologie (ALM-CAO) and the National Cancer Research Institute Colorectal Clinical Study Group (NCRI CCSG)

Background: This study investigates the possible benefits of radiofrequency ablation (RFA) in patients with non-resectable colorectal liver metastases.

01 octubre 2012

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Long-term Results of Percutaneous Biliary Balloon Dilation Treatment for Benign Hepaticojejunostomy Strictures: Are Repeated Balloon Dilations Necessary?

Fahrettin Kucukay, MD , Rıza S. Okten, MD , Mehmet Yurdakul, MD , Ensar Ozdemir, MD , Seda Erat, MD , Erkan Parlak, MD , Selcuk Disibeyaz, MD , Ilter Ozer, MD , E. Birol Bostanci, MD , Tulay Olcer, MD , Muharrem Tola, MD

Purpose: To determine the safety, efficacy, and long-term results of percutaneous biliary balloon dilation (PBBD) of benign hepaticojejunostomy strictures and evaluate the necessity of repeated PBBD in this setting.

01 octubre 2012

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Targeted Vessel Ablation for More Efficient Magnetic Resonance-Guided High-Intensity Focused Ultrasound Ablation of Uterine Fibroids

Marianne J. Voogt, Marijn van Stralen, Marlijne E. Ikink, Roel Deckers, Koen L. Vincken, Lambertus W. Bartels, Willem P. Th. M. Mali, Maurice A. A. J. van den Bosch

Purpose: To report the first clinical experience with targeted vessel ablation during magnetic resonance-guided high-intensity focused ultrasound (MR-HIFU) treatment of symptomatic uterine fibroids.

01 octubre 2013

WORLD JOURNAL OF GASTROENTEROLOGY. Doxorubicin-eluting bead vs conventional transcatheter arterial chemoembolization for hepatocellular carcinoma before liver transplantation

Daniele Nicolini, Gianluca Svegliati-Baroni, Roberto Candelari, Cinzia Mincarelli, Alessandra Mandolesi, Italo Bearzi, Federico Mocchegiani, Andrea Vecchi, Roberto Montalti, Antonio Benedetti, Andrea Risaliti and Marco Vivarelli.

AIM: To assess the possible effect of two different types of preoperative transcatheter arterial chemoembolization (TACE) on recurrence-free survival after liver transplantation (LT) in patients with hepatocellular carcinoma (HCC) and to analyze the effects of TACE on tumor histology.

01 octubre 2013

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Microwave Ablation of Pancreatic Head Cancer: Safety and Efficacy

Gianpaolo Carrafiello, MD , Anna Maria Ierardi, MD , Federico Fontana, MD , Mario Petrillo, MD , Chiara Floridi, MD , Natalie Lucchina, MD , Salvatore Cuffari, MD , Gianlorenzo Dionigi, MD , Antonio Rotondo, MD , Carlo Fugazzola, MD

Purpose: To evaluate the safety and efficacy of percutaneous microwave (MW) ablation treatment in locally advanced, nonresectable, nonmetastatic pancreatic head cancer.

01 octubre 2012

AMERICAN JOURNAL OF ROENTGENOLOGY. Percutaneous Placement and Management of the Denver Shunt for Portal Hypertensive Ascites

Louis G. Martin

OBJECTIVE. Many patients with cirrhotic effusions in the peritoneal and pleural spaces lead a difficult existence. In addition to their decreased mobility and physical discomfort, they spend hours in the hospital or an outpatient facility undergoing peritoneal and pleural drainage. Liver transplantation is the ultimate solution for those with cirrhotic effusions refractory to medical management; however, most are on a long waiting list, forcing them to undergo a year or more of percutaneous centesis. Transjugular intrahepatic portosystemic shunts offer relief to those with cirrhotic ascites but at the cost of accelerated hepatic failure and hepatic encephalopathy. This article will review the development of the peritoneovenous and pleurovenous shunt, discuss reasons for its loss of favor, and suggest its current role in the armamentarium of the interventional radiologist.

01 octubre 2013

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Correlation of Patient-reported Symptom Outcomes and Treadmill Test Outcomes after Treatment for Aortoiliac Claudication

Timothy P. Murphy, MD , Matthew R. Reynolds, MD , David J. Cohen, MD , Judith G. Regensteiner, PhD , Joseph M. Massaro, PhD , Donald E. Cutlip, MD , Emile R. Mohler, MD , Joselyn Cerezo, MD , Niki C. Oldenburg, PhD , Claudia C. Thum, MS , Suzanne Goldberg, MSN , Alan T. Hirsch, MD

Purpose: To examine the relationship between objective treadmill test outcomes and subjective symptom outcomes among patients with claudication treated with stent revascularization (ST) compared with supervised exercise (SE).

01 octubre 2013

WORLD JOURNAL OF GASTROENTEROLOGY. Radiofrequency ablation for early oesophageal squamous neoplasia: Outcomes form United Kingdom registry

Rehan J Haidry, Mohammed A Butt, Jason Dunn, Matthew Banks, Abhinav Gupta, Howard Smart, Pradeep Bhandari, Lesley Ann Smith, Robert Willert, Grant Fullarton, Morris John, Massimo Di Pietro, Ian Penman, Marco Novelli and Laurence B Lovat.

AIM: To report outcomes on patients undergoing radiofrequency ablation (RFA) for early oesophageal squamous neoplasia from a National Registry.

01 octubre 2012

AMERICAN JOURNAL OF ROENTGENOLOGY. Response Evaluation in Patients With Colorectal Liver Metastases: RECIST Version 1.1 Versus Modified CT Criteria

Woo-Suk Chung, Mi-Suk Park, Sang Joon Shin, Song-Ee Baek, Yeo-Eun Kim, Jin Young Choi and Myeong-Jin Kim

OBJECTIVE. Our retrospective study compared Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 with modified CT criteria to determine their respective utilities as a prognostic indicator. Using both sets of criteria, we compared treatment responses of patients with colorectal liver metastases treated with bevacizumab-containing chemotherapy with those of patients treated with chemotherapy alone.

01 octubre 2012

RADIOLOGY. Lack of Response after Initial Chemoembolization for Hepatocellular Carcinoma: Does It Predict Failure of Subsequent Treatment?

Christos Georgiades, MD, PhD, Jean-François Geschwind, MD, Neil Harrison, BS, Andrew Hines-Peralta, MD, Eleni Liapi, MD, Kelvin Hong, MD, Zhenke Wu, BS, Ihab Kamel, MD and Constantine Frangakis, PhD

Purpose: To (a) evaluate the response of hepatocellular carcinoma (HCC) to chemoembolization after initial nonresponse, as determined with European Association for the Study of the Liver (EASL) criteria and modified Response Evaluation Criteria in Solid Tumors (mRECIST), and (b) compare posttreatment survival of initial nonresponders versus that of initial responders.

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