01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY.Impact on Pulmonary Arterial Pressures after Repeated Endovascular Thrombectomy of Dialysis Grafts: A Prospective Follow-up Study

Mu-Yang Hsieh, MD , Chao-Lun Lai, MD, PhD , Yen-Wen Wu, MD, PhD , Lin Lin, MD , Miao-Chun Ho, RN , Chih-Cheng Wu, MD

Vascular access thrombosis is a common complication of arteriovenous dialysis grafts that results in silent pulmonary embolism (PE) in a substantial proportion of patients. However, the impact of repeated PE on the pulmonary vasculature remains unclear.

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Effectiveness of Collateral Vein Embolization for Salvage of Immature Native Arteriovenous Fistulas

Osman Ahmed, MD , Mikin Patel, MD, MBA , Michael Ginsburg, MD , Danial Jilani, MPH , Brian Funaki, MD

To investigate the value of collateral vein embolization (CVE) as a salvage treatment for nonmaturing native arteriovenous fistulae (AVFs) in patients requiring hemodialysis.

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Pharmacomechanical Thrombolysis of Symptomatic Acute and Subacute Deep Vein Thrombosis with a Rotational Thrombectomy Device

Cüneyt Köksoy, MD , M. Fatih Yilmaz, MD , H. Serdar Başbuğ, MD , Eyüp Serhat Çalik, MD , Bilgehan Erkut, MD , Mehmet Ali Kaygın, MD , Ahmet Peker, MD , Umman N. Sanlıdilek, MD

To retrospectively evaluate the efficacy and safety of pharmacomechanical thrombolysis (PMT) with the use of a rotational thrombectomy device for symptomatic deep vein thrombosis (DVT).

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY.Comparison of the Efficacy of Covered versus Uncovered Metallic Stents in Treating Inoperable Malignant Common Bile Duct Obstruction: A Randomized Trial

Shin Jae Lee, MD , Man Deuk Kim, MD , Myung Su Lee, MD , Il Jung Kim, MD , Sung Il Park, MD , Jong Yoon Won, MD , Do Yun Lee, MD

To compare patency and overall survival achieved with covered versus uncovered metallic stents among patients with inoperable malignant extrahepatic biliary obstruction.

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Image-Guided Ovarian Mass Biopsy: Efficacy and Safety

Ashraf Thabet, MD , Bhanusupriya Somarouthu, MDcorrespondenceemail , Esther Oliva, MD , Debra A. Gervais, MD , Peter F. Hahn, MD, PhD , Susanna I. Lee, MD, PhD

Image-guided needle biopsy represents a minimally invasive method for pathologic diagnosis of a mass. This study evaluates the diagnostic yield, accuracy, and safety of ovarian mass biopsy with combined core and fine-needle technique.

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Reduction of Guide Needle Streak Artifact in CT-Guided Biopsy

Sebastian R. McWilliams, MD , Kevin P. Murphy, MB , Safieh Golestaneh, MB , Kevin N. O’Regan, MB , Ronald S. Arellano, MD , Michael M. Maher, MD , Owen J. O’Connor, MD, FFR(RCSI)

Computed tomography (CT)–guided core needle biopsy (CNB) can be affected by streak artifact obscuring the needle tip. This study investigates factors that influence the occurrence and severity of streak artifact during CNB.

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Characterization of In Vivo Ablation Zones Following Percutaneous Microwave Ablation of the Liver with Two Commercially Available Devices: Are Manufacturer Published Reference Values Useful?

Ronald S. Winokur, MD , Jerry Y. Du, BS , Bradley B. Pua, MD , Adam D. Talenfeld, MD , Akhilesh K. Sista, MD , Marc A. Schiffman, MD , David W. Trost, MD , David C. Madoff, MD

To analyze in vivo ablation properties of microwave ablation antennae in tumor-bearing human livers by performing retrospective analysis of ablation zones following treatment with two microwave ablation systems.

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Benefits and Problems of Transarterial Therapy in Patients with Hepatocellular Carcinoma and Chronic Kidney Disease

Masaaki Watanabe, MD, PhD , Akitaka Shibuya, MD, PhD , Tsutomu Minamino, MD, PhD , Junya Murano, MD , Keiji Matsunaga, MD, PhD , Kaoru Fujii, MD , Gou Ogasawara, MD , Tsugumi Irie, MD , Reiko Woodhams, MD, PhD , Wasaburo Koizumi, MD, PhD

To evaluate the feasibility of transarterial therapy (transcatheter arterial chemoembolization and transcatheter arterial infusion) for patients with hepatocellular carcinoma and chronic kidney disease (CKD).

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Radiation Emission from Patients Treated with Holmium-166 Radioembolization

Jip F. Prince, MD , Maarten L.J. Smits, MD, PhD , Gerard C. Krijger, PhD , Bernard A. Zonnenberg, MD, PhD , Maurice A.A.J. van den Bosch, MD, PhD , Johannes F.W. Nijsen, PhD , Marnix G.E.H. Lam, MD, PhD

To assess the radiation exposure to individuals coming from patients after treatment with holmium-166 (166Ho) microspheres.

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Predictors of Thrombosis in Hepatic Vasculature during Microwave Tumor Ablation of an In Vivo Porcine Model

Jason Chiang, PhD , Bridgett J. Willey, MS, RDMS , Alejandro Muñoz del Rio, PhD , J. Louis Hinshaw, MD , Fred T. Lee, MD , Christopher L. Brace, PhD

To evaluate and model the risk of in vivo thrombosis in each hepatic vessel type during hepatic microwave ablation as a function of vessel diameter, velocity, and vessel-antenna spacing.

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Radiofrequency Ablation–Induced Upregulation of Hypoxia-Inducible Factor-1α Can Be Suppressed with Adjuvant Bortezomib or Liposomal Chemotherapy

Marwan Moussa, MD , S. Nahum Goldberg, MD , Gaurav Kumar, PhD , Rupa R. Sawant, PhD , Tatyana Levchenko, PhD , Vladimir Torchilin, PhD , Muneeb Ahmed, MD

To characterize upregulation of hypoxia-inducible factor (HIF)-1α after radiofrequency (RF) ablation and the influence of an adjuvant HIF-1α inhibitor (bortezomib) and nanodrugs on modulating RF ablation–upregulated hypoxic pathways.

01 diciembre 2014

JOURNAL OF VASCULAR AND INTERVENTIONAL RADIOLOGY. Transcatheter Arterial Embolization with N-Butyl Cyanoacrylate for Nonvariceal Upper Gastrointestinal Bleeding in Hemodynamically Unstable Patients: Results and Predictors of Clinical Outcomes

Yu-Sen Huang, MD , Chin-Chen Chang, MD , Jyh-Ming Liou, MD , Fu-Shan Jaw, PhD , Kao-Lang Liu, MD

To assess the safety, efficacy, clinical outcomes, and prognostic factors associated with transcatheter arterial embolization (TAE) with N-butyl cyanoacrylate (NBCA) for nonvariceal upper gastrointestinal (GI) hemorrhage in hemodynamically unstable patients.

01 noviembre 2014

AMERICAN JOURNAL OF ROENTGENOLOGY. Viable Hepatocellular Carcinoma Around Retained Iodized Oil After Transarterial Chemoembolization: Radiofrequency Ablation of Viable Tumor Plus Retained Iodized Oil Versus Viable Tumor Alone

Jin Hyoung Kim, Pyo Nyun Kim, Hyung Jin Won and Yong Moon Shin

OBJECTIVE. The objective of our study was to compare the effectiveness of radiofrequency ablation (RFA) for viable hepatocellular carcinoma (HCC) including areas of retained oil after transarterial chemoembolization (TACE) versus RFA treatment of viable HCC alone for ablation coverage.

01 noviembre 2014

RADIOLOGY. Uterine Fibroids: Semiquantitative Perfusion MR Imaging Parameters Associated with the Intraprocedural and Immediate Postprocedural Treatment Efficiencies of MR Imaging–guided High-Intensity Focused Ultrasound Ablation

Young-sun Kim, MD, Byoung-Gie Kim, MD, Hyunchul Rhim, MD, Duk-Soo Bae, MD, Jeong-Won Lee, MD, Tae-Joong Kim, MD, Chel Hun Choi, MD, Yoo-Young Lee, MD, Hyo Keun Lim, MD

To determine whether semiquantitative perfusion magnetic resonance (MR) imaging parameters are associated with therapeutic effectiveness of MR imaging–guided high-intensity focused ultrasound (HIFU) ablation of uterine fibroids and which semiquantitative perfusion parameters are significant with regard to treatment efficiency.

01 agosto 2014

ANNALS OF VASCULAR SURGERY. Intravascular Ultrasound Assessment of Acute Expansion of the Balloon-expandable Stent in Heavy Calcified Iliac Artery Lesions or in Lesions Resistant to Dilation by a Self-expanding Stent

Shigeo Ichihashi , Wataru Higashiura , Hirofumi Itoh , Shoji Sakaguchi , Kimihiko Kichikawa

To evaluate the acute stent expansion of a balloon-expandable stent (BES) by intravascular ultrasound (IVUS) in lesions with heavy calcification or in lesions resistant to dilation by a self-expanding stent (SES).