01 febrero 2016

RADIOLOGY. Radiofrequency Ablation with an Internally Cooled Monopolar Directional Electrode: Ex Vivo and in Vivo Experimental Studies in the Liver

Mi Hye Yu, MD, Jae Young Lee, MD, PhD, Su Ryoung Jun, MD, PhD, Kyung Won Kim, MD, PhD, Se Hyung Kim, MD, PhD, Joon Koo Han, MD, PhD, Byung Ihn Choi, MD, PhD

Purpose: To evaluate the feasibility of using an internally cooled directional electrode (ICDE) to create sufficient directional ablation in the desired area and to investigate whether use of the ICDE reduces thermal injury to the adjacent organs.

01 febrero 2016

RADIOLOGY. Safety of Uninterrupted Warfarin Therapy in Patients Undergoing Cardiovascular Endovascular Procedures: A Systematic Review and Meta-Analysis

Varun Shahi, BS, Waleed Brinjikji, MD, Mohammad H. Murad, MD, MPH, Samuel J. Asirvatham, MD, David F. Kallmes, MD

Purpose: To conduct a systematic review and meta-analysis of complication rates and outcomes in patients undergoing endovascular procedures who receive uninterrupted versus interrupted warfarin therapy.

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 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. 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. Small Musculoskeletal Soft-Tissue Lesions: US-guided Core Needle Biopsy—Comparative Study of Diagnostic Yields according to Lesion Size

Sang Yoon Kim, MD, Hye Won Chung, MD

Purpose: To determine the effectiveness of ultrasonographically (US) guided core needle biopsy (CNB) for diagnosis of small musculoskeletal soft-tissue lesions by demonstrating the noninferiority of the diagnostic yield with US-guided CNB in lesions measuring 2 cm or smaller to that for lesions larger than 2 cm.

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

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Transurethral Resection of the Prostate (TURP) Versus Original and PErFecTED Prostate Artery Embolization (PAE) Due to Benign Prostatic Hyperplasia (BPH): Preliminary Results of a Single Center, Prospective, Urodynamic-Controlled Analysis

Francisco C. Carnevale, Alexandre Iscaife, Eduardo M. Yoshinaga, Airton Mota Moreira, Alberto A. Antunes, Miguel Srougi

Purpose: To compare clinical and urodynamic results of transurethral resection of the prostate (TURP) to original and PErFecTED prostate artery embolization (PAE) methods for benign prostatic hyperplasia.

01 enero 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Comparison of C-arm Computed Tomography and Digital Subtraction Angiography in Patients with Chronic Thromboembolic Pulmonary Hypertension

Jan B. Hinrichs, Steffen Marquardt, Christian von Falck, Marius M. Hoeper, Karen M. Olsson, Frank K. Wacker, Bernhard C. Meyer

Purpose: To assess the feasibility and diagnostic performance of contrast-enhanced, C-arm computed tomography (CACT) of the pulmonary arteries compared to digital subtraction angiography (DSA) in patients suffering from chronic thromboembolic pulmonary hypertension (CTEPH).

01 enero 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Combined Microwave Ablation and Cementoplasty in Patients with Painful Bone Metastases at High Risk of Fracture

Claudio Pusceddu, Barbara Sotgia, Rosa Maria Fele, Nicola Ballicu, Luca Melis

Purpose: To retrospectively evaluate the effectiveness of computed tomography-guided percutaneous microwave ablation (MWA) and cementoplasty in patients with painful bone metastases at high risk of fracture.

01 enero 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Endovascular Management of True Renal Arterial Aneurysms: Results from a Single Centre

Raymond Chung, Philip Touska, Robert Morgan, Anna-Maria Belli

Purpose: To report a single centre’s experience of the endovascular treatment of renal arterial aneurysms, including techniques and outcomes.

01 enero 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Comparison of Percutaneous Cementoplasty with and Without Interventional Internal Fixation for Impending Malignant Pathological Fracture of the Proximal Femur

Qing-Hua Tian , Cheng-Jian He , Chun-Gen Wu, Yong-Dong Li, Yi-Feng Gu, Tao Wang, Quan-Ping Xiao, Ming-Hua Li

Purpose: To compare the efficacy of percutaneous cementoplasty (PCP) with and without interventional internal fixation (IIF) on malignant impending pathological fracture of proximal femur.

01 enero 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Fusion of CT Angiography or MR Angiography with Unenhanced CBCT and Fluoroscopy Guidance in Endovascular Treatments of Aorto-Iliac Steno-Occlusion: Technical Note on a Preliminary Experience

Anna Maria Ierardi, Ejona Duka, Alessandro Radaelli, Nicola Rivolta, Gabriele Piffaretti, Gianpaolo Carrafiello

Aim: To evaluate the feasibility of image fusion (IF) of pre-procedural arterial-phase CT angiography or MR angiography with intra-procedural fluoroscopy for road-mapping in endovascular treatment of aorto-iliac steno-occlusive disease.

01 enero 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. “Edgeboost”: A Novel Technique to Extend the Ablation Zone Lateral to a Two-Probe Bipolar Radiofrequency Device

Ya Ruth Huo, Krishna Pillai, Javed Akhter, David L. Morris

Aim: The aim of this study is to examine “Edgeboost”, a novel technique to increase the lateral ablation dimension without requiring any realignment of the electrodes.

01 enero 2016

CARDIOVASCULAR AND INTERVENTIONAL RADIOLOGY. Percutaneous Augmented Peripheral Osteoplasty in Long Bones of Oncologic Patients for Pain Reduction and Prevention of Impeding Pathologic Fracture: The Rebar Concept

A. Kelekis, D. Filippiadis, G. Anselmetti, E. Brountzos, A. Mavrogenis, P. Papagelopoulos, N. Kelekis, J.-B. Martin

Purpose: To evaluate clinical efficacy/safety of augmented peripheral osteoplasty in oncologic patients with long-term follow-up.