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Journal of Vascular and Interventional Radiology: JVIR

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https://www.readbyqxmd.com/read/28821379/multicenter-trial-of-the-venatech-convertible-vena-cava-filter
#1
Eric J Hohenwalter, James R Stone, Paul V O'Moore, Steven J Smith, J Bayne Selby, Robert J Lewandowski, Shaun Samuels, Paul M Kiproff, David W Trost, David C Madoff, Jeremy Handel, Eric J Gandras, Athanasios Vlahos, William S Rilling
PURPOSE: To demonstrate rates of successful filter conversion and 6-month major device-related adverse events in subjects with converted caval filters. MATERIALS AND METHODS: An investigational device exemption multicenter, prospective, single-arm study was performed at 11 sites enrolling 149 patients. The VenaTech Convertible Vena Cava Filter (B. Braun Interventional Systems, Inc, Bethlehem, Pennsylvania) was implanted in 149 patients with venous thromboembolism and contraindication to or failure of anticoagulation (n = 119), with high-risk trauma (n = 14), and for surgical prophylaxis (n = 16)...
August 16, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28811080/mechanochemical-ablation-for-treatment-of-truncal-venous-insufficiency-a-review-of-the-current-literature
#2
REVIEW
James J Sun, Mohammed M Chowdhury, Umar Sadat, Paul D Hayes, Tjun Y Tang
Mechanochemical ablation (MOCA) is a nonthermal nontumescent technique used in the treatment of superficial venous disease. This review analyzed the available data on the efficacy and safety of MOCA. A systematic literature search was performed. Of 101 studies identified, 14 were suitable for inclusion. The studies were found to be heterogeneous in design, and the quality of evidence was found to be low or very low. MOCA was demonstrated to be effective in the short-term with minimal complications. Consensus guidelines and definitions of reporting outcome measures must be standardized to allow comparison with other techniques...
August 12, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28802552/randomized-controlled-trial-comparing-radiologic-pigtail-retained-gastrostomy-and-radiologic-mushroom-retained-gastrostomy
#3
Kichang Han, Man-Deuk Kim, Joon Ho Kwon, Yong Seek Kim, Gyoung Min Kim, Junhyung Lee, Woosun Choi, Jong Yun Won, Do Yun Lee
PURPOSE: To prospectively compare 2 different types of percutaneous fluoroscopic gastrostomy procedures (pigtail-retained gastrostomy [PG] vs mushroom-retained gastrostomy [MG]). MATERIALS AND METHODS: Between March 2014 and February 2016, 100 patients were randomly assigned to receive 14-F PG or 20-F MG. Block randomization (block size 4) was performed, and sample size was calculated to assess the difference in minor complications. One patient withdrew from the study after allocation...
August 9, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28802551/a-survey-of-submassive-pulmonary-embolism-treatment-preferences-among-medical-and-endovascular-physicians
#4
Bedros Taslakian, Daanish Chawala, Akhilesh K Sista
PURPOSE: To determine treatment preferences among endovascular and medical physicians who manage acute submassive pulmonary embolism (PE). MATERIALS AND METHODS: From July through August 2016, 83 sites across the United States were surveyed, and 60 completed the survey. Endovascular and medical physicians were asked to rate their predilection for catheter-directed thrombolysis (CDT) on a 5-point scale and for systemic thrombolysis (ST) as "yes" or "no" in seven case scenarios of submassive PE...
August 9, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28802550/mr-coagulation-a-novel-minimally-invasive-approach-to-aneurysm-repair
#5
Ouri Cohen, Ming Zhao, Erez Nevo, Jerome L Ackerman
PURPOSE: To demonstrate a proof of concept of magnetic resonance (MR) coagulation, in which MR imaging scanner-induced radiofrequency (RF) heating at the end of an intracatheter long wire heats and coagulates a protein solution to effect a vascular repair by embolization. MATERIALS AND METHODS: MR coagulation was simulated by finite-element modeling of electromagnetic fields and specific absorption rate (SAR) in a phantom. A glass phantom consisting of a spherical cavity joined to the side of a tube was incorporated into a flow system to simulate an aneurysm and flowing blood with velocities of 0-1...
August 9, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28802549/diffuse-renal-cortical-hemorrhage-in-the-setting-of-subcapsular-hematoma-diagnosis-and-treatment-with-embolization
#6
Marta Burrel, Marta Barrufet, Maria Carme Sebastia, Jonathan Joudanin, Laura Buñesch, Patricia Bermudez, Jordi Blasco, Rosa Gilabert
PURPOSE: To describe radiologic findings, embolization technique, and clinical outcomes in patients with renal subcapsular hematoma and diffuse cortical hemorrhage. MATERIALS AND METHODS: Ten patients with renal subcapsular hematoma and diffuse cortical hemorrhage were reviewed. Nine of the 10 had undergone procedures (nephrostomy, n = 4; biopsy, n = 4; embolization of a cerebral aneurysm, n = 1) and 1 patient was receiving oral anticoagulation. Computed tomography (CT), angiography, and embolization of bleeding sites were performed in all patients...
August 9, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28789817/results-of-stent-graft-placement-to-treat-cephalic-arch-stenosis-in-hemodialysis-patients-with-dysfunctional-brachiocephalic-arteriovenous-fistulas
#7
Robert G Jones, Andrew P Willis, Karen Tullett, Peter L Riley
PURPOSE: To determine effectiveness of the VIABAHN (W.L. Gore & Associates, Flagstaff, Arizona) stent graft to treat cephalic arch stenosis in patients with dysfunctional brachiocephalic arteriovenous fistulas after inadequate venoplasty response. MATERIALS AND METHODS: Between 2012 and 2015, patients with failed venoplasty of symptomatic cephalic arch stenosis received a VIABAHN stent graft. Follow-up venography was performed at approximately 3, 6, and 12 months...
August 5, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28757286/transradial-versus-transfemoral-access-for-hepatic-chemoembolization-intrapatient-prospective-single-center-study
#8
Roberto Iezzi, Maurizio Pompili, Alessandro Posa, Eleonora Annicchiarico, Matteo Garcovich, Biagio Merlino, Elena Rodolfino, Vincenzo Di Noia, Michele Basso, Alessandra Cassano, Carlo Barone, Antonio Gasbarrini, Riccardo Manfredi, Cesare Colosimo
PURPOSE: To compare transfemoral approach (TFA) and transradial approach (TRA) in patients undergoing hepatic chemoembolization in terms of safety, feasibility, and procedural variables, including fluoroscopy time, radiation dose (reference air kerma [RAK]), and patient preference. MATERIALS AND METHODS: A single-center prospective intrapatient comparative study was conducted with 42 consecutive patients with hepatic malignancies who received 2 consecutive treatment sessions of unilobar hepatic chemoembolization within a 4-week interval over a 6-month period with both TRA and TFA...
July 27, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28757285/proposal-of-a-new-adverse-event-classification-by-the-society-of-interventional-radiology-standards-of-practice-committee
#9
Omid Khalilzadeh, Mark O Baerlocher, Paul B Shyn, Bairbre L Connolly, A Michael Devane, Christopher S Morris, Alan M Cohen, Mehran Midia, Raymond H Thornton, Kathleen Gross, Drew M Caplin, Gunjan Aeron, Sanjay Misra, Nilesh H Patel, T Gregory Walker, Gloria Martinez-Salazar, James E Silberzweig, Boris Nikolic
PURPOSE: To develop a new adverse event (AE) classification for the interventional radiology (IR) procedures and evaluate its clinical, research, and educational value compared with the existing Society of Interventional Radiology (SIR) classification via an SIR member survey. MATERIALS AND METHODS: A new AE classification was developed by members of the Standards of Practice Committee of the SIR. Subsequently, a survey was created by a group of 18 members from the SIR Standards of Practice Committee and Service Lines...
July 27, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28747272/efficacy-and-safety-of-radiofrequency-ablation-for-focal-hepatic-lesions-adjacent-to-gallbladder-reconfiguration-of-the-ablation-zone-through-probe-relocation-and-ablation-time-reduction
#10
In Young Choi, Pyo Nyun Kim, Sung Gu Lee, Hyung Jin Won, Yong Moon Shin
PURPOSE: To evaluate the safety and efficacy of radiofrequency (RF) ablation for treatment of focal hepatic lesions adjacent to the gallbladder with electrode relocation and ablation time reduction. MATERIALS AND METHODS: Thirty-nine patients who underwent RF ablation for focal hepatic lesions adjacent to the gallbladder (≤ 10 mm) were evaluated retrospectively from January 2011 to December 2014 (30 men and 9 women; age range, 51-85 y; mean age, 65 y). Of 36 patients with hepatocellular carcinoma, 3 had a second treatment for recurrence (mean tumor size, 15 mm ± 6)...
July 23, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28747271/diagnostic-accuracy-of-split-bolus-single-phase-contrast-enhanced-cone-beam-ct-for-the-detection-of-liver-tumors-before-transarterial-chemoembolization
#11
Martin Jonczyk, Julius Chapiro, Federico Collettini, Dominik Geisel, Dirk Schnapauff, Florian Streitparth, Thomas Schmidt, Bernd Hamm, Bernhard Gebauer, Gero Wieners
PURPOSE: To evaluate detectability of hepatocellular carcinoma (HCC) using split-bolus cone-beam CT in intraindividual comparison between cone-beam CT and contrast-enhanced MR imaging. MATERIALS AND METHODS: In a retrospective, single-center study, 28 patients with 85 HCC tumors were treated with transarterial chemoembolization between May 2015 and June 2016. All patients underwent arterial and hepatobiliary phase (HBP) MR imaging within 1 month before transarterial chemoembolization...
July 23, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28734848/liver-resection-versus-radiofrequency-ablation-plus-transcatheter-arterial-chemoembolization-in-cirrhotic-patients-with-solitary-large-hepatocellular-carcinoma
#12
Antonio Saviano, Roberto Iezzi, Felice Giuliante, Lucia Salvatore, Caterina Mele, Alessandro Posa, Francesco Ardito, Anna Maria De Gaetano, Maurizio Pompili
PURPOSE: To compare liver resection (LR) with single-step, balloon-occluded RF ablation plus drug-eluting embolics transarterial chemoembolization in cirrhotic patients with single hepatocellular carcinoma (HCC) ≥ 3 cm. MATERIALS AND METHODS: From 2010 to 2014, 25 patients with compensated cirrhosis and single HCC ≥ 3 cm (median size 4.5 cm; range, 3.0-6.8 cm) not suitable for LR or liver transplantation were treated with RF ablation plus transarterial chemoembolization in a prospective observational single-center pilot study; all patients had complete tumor necrosis after treatment...
July 19, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28734847/noise-optimized-virtual-monoenergetic-dual-energy-ct-improves-diagnostic-accuracy-for-the-detection-of-active-arterial-bleeding-of-the-abdomen
#13
Simon S Martin, Julian L Wichmann, Jan-Erik Scholtz, Doris Leithner, Tommaso D'Angelo, Hendrik Weyer, Christian Booz, Lukas Lenga, Thomas J Vogl, Moritz H Albrecht
PURPOSE: To evaluate diagnostic accuracy of a noise-optimized virtual monoenergetic imaging (VMI+) reconstruction technique for detection of active arterial abdominal bleeding on dual-energy (DE) CT angiography compared with standard image reconstruction. MATERIALS AND METHODS: DE CT angiography data sets of 71 patients (46 men; age 63.6 y ± 13.3) with suspected arterial bleeding of the abdomen or pelvis were reconstructed with standard linearly blended (F_0.5), VMI+, and traditional virtual monoenergetic imaging (VMI) algorithms in 10-keV increments from 40 to 100 keV...
July 19, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28728935/transcatheter-arterial-chemoembolization-with-spherical-embolic-agent-in-patients-with-pulmonary-or-mediastinal-metastases-from-breast-cancer
#14
Norifumi Kennoki, Shinichi Hori, Takeo Yuki, Atsushi Hori
PURPOSE: To evaluate safety and feasibility of transcatheter arterial chemoembolization with superabsorbent polymer microspheres (SAP-MS) for patients with pulmonary or mediastinal metastasis from breast cancer. METHODS: Between November 2002 and January 2015, 14 patients with 29 unresectable pulmonary or mediastinal breast cancer metastases underwent transcatheter arterial chemoembolization using SAP-MS (50-100 μm) after injection of a combination of 2-4 types of anticancer drugs (eg, cisplatin [30 mg] + fluorouracil [500 mg], or epirubicin [40 mg] + mitomycin C [4 mg] + fluorouracil [500 mg])...
July 18, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28689934/single-center-comparison-of-overall-survival-and-toxicities-in-patients-with-infiltrative-hepatocellular-carcinoma-treated-with-yttrium-90-radioembolization-or-drug-eluting-embolic-transarterial-chemoembolization
#15
Joseph L McDevitt, Ali Alian, Baljendra Kapoor, Stacy Bennett, Amanjit Gill, Abraham Levitin, Mark Sands, K V Narayanan Menon, Federico N Aucejo, Bassam Estfan, Anil K Pillai, Sanjeeva P Kalva, Gordon McLennan
PURPOSE: To compare overall survival and toxicities after yttrium-90 ((90)Y) radioembolization and chemoembolization with drug-eluting embolics (DEE) in patients with infiltrative hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Retrospective review of 50 patients with infiltrative HCC without main portal vein invasion who were treated with (90)Y radioembolization (n = 26) or DEE chemoembolization (n = 24) between March 2007 and August 2012 was completed...
July 6, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28688816/combined-therapy-of-transcatheter-arterial-chemoembolization-and-radiofrequency-ablation-versus-surgical-resection-for-single-2-3-cm-hepatocellular-carcinoma-a%C3%A2-propensity-score-matching-analysis
#16
Hyo-Jae Lee, Jin Woong Kim, Young Hoe Hur, Sang Soo Shin, Suk Hee Heo, Sung Bum Cho, Yang Joon Kang, Hyo Soon Lim, Hyun Ju Seon, Yong Yeon Jeong
PURPOSE: To compare therapeutic outcomes of radiofrequency (RF) ablation combined with transcatheter arterial chemoembolization vs surgical resection (SR) for single 2-3 cm hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Seventy patients underwent combined chemoembolization/RF ablation therapy and 84 underwent SR. Local tumor progression (LTP), intrahepatic distant recurrence (IDR), disease-free survival (DFS), and overall survival (OS) rates, as well as major complications and duration of hospital stay, were compared between groups before and after propensity-score matching...
July 6, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28688815/albumin-bilirubin-and-platelet-albumin-bilirubin-grades-accurately-predict-overall-survival-in-high-risk-patients-undergoing-conventional-transarterial-chemoembolization-for-hepatocellular-carcinoma
#17
Jan Hansmann, Maximilian J Evers, James T Bui, R Peter Lokken, Andrew J Lipnik, Ron C Gaba, Charles E Ray
PURPOSE: To evaluate albumin-bilirubin (ALBI) and platelet-albumin-bilirubin (PALBI) grades in predicting overall survival in high-risk patients undergoing conventional transarterial chemoembolization for hepatocellular carcinoma (HCC). MATERIALS AND METHODS: This single-center retrospective study included 180 high-risk patients (142 men, 59 y ± 9) between April 2007 and January 2015. Patients were considered high-risk based on laboratory abnormalities before the procedure (bilirubin > 2...
July 6, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28673657/image-guided-percutaneous-radiofrequency-ablation-of-central-renal-cell-carcinoma-assessment-of-clinical-efficacy-and-safety-in-31-tumors
#18
Ying Dai, Diego Covarrubias, Raul Uppot, Ronald S Arellano
PURPOSE: To assess clinical efficacy and safety of image-guided percutaneous radiofrequency (RF) ablation of central renal cell carcinoma with adjunctive pyeloperfusion. MATERIALS AND METHODS: Patients with central renal tumors who underwent percutaneous RF ablation between 2005 and 2010 were retrospectively evaluated. Thirty patients with 31 central renal tumors underwent 39 RF ablation sessions. Mean tumor diameter was 3.7 cm (range, 2-7 cm). Median distance between tumor and renal pelvis was 5 mm (range, 0-15 mm)...
July 1, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28673658/long-term-hepatotoxicity-of-yttrium-90-radioembolization-as-treatment-of-metastatic-neuroendocrine-tumor-to%C3%A2-the%C3%A2-liver
#19
Yu-Kai Su, Rosewell V Mackey, Ahsun Riaz, Vanessa L Gates, Al B Benson, Frank H Miller, Vahid Yaghmai, Ahmed Gabr, Riad Salem, Robert J Lewandowski
PURPOSE: To determine long-term hepatotoxicity of yttrium-90 ((90)Y) radioembolization in patients treated for metastatic neuroendocrine tumor (mNET) and evaluate if imaging and laboratory findings of cirrhosis-like morphology are associated with clinical symptoms. MATERIALS AND METHODS: Retrospective review from 2003 to 2016 was performed for patients with mNET treated with (90)Y glass microspheres. Fifty-four patients with > 2 year follow-up were stratified into unilobar (n = 15) vs whole-liver (n = 39) treatment...
June 30, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28669744/quality-improvement-guidelines-for-transarterial-chemoembolization-and-embolization-of-hepatic-malignancy
#20
Ron C Gaba, R Peter Lokken, Ryan M Hickey, Andrew J Lipnik, Robert J Lewandowski, Riad Salem, Daniel B Brown, T Gregory Walker, James E Silberzweig, Mark Otto Baerlocher, Ana Maria Echenique, Mehran Midia, Jason W Mitchell, Siddharth A Padia, Suvranu Ganguli, Thomas J Ward, Jeffrey L Weinstein, Boris Nikolic, Sean R Dariushnia
No abstract text is available yet for this article.
June 29, 2017: Journal of Vascular and Interventional Radiology: JVIR
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