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Journal of Vascular and Interventional Radiology: JVIR

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https://www.readbyqxmd.com/read/30217749/comparison-of-conventional-and-cone-beam-ct-for-monitoring-and-assessing-pulmonary-microwave-ablation-in-a-porcine-model
#1
Ece Meram, Colin Longhurst, Chris L Brace, Paul F Laeseke
PURPOSE: To compare cone-beam computed tomography (CBCT) with conventional CT for assessing the growth and postprocedural appearance of pulmonary microwave ablation zones. MATERIALS AND METHODS: A total of 17 microwave ablations were performed in porcine lung in vivo by applying 65 W for 5 minutes through a single 17-gauge antenna. Either CT (n = 8) or CBCT (n = 9) was used for guidance and ablation zone monitoring at 1-minute intervals. Postprocedural noncontrast images were acquired with both modalities...
September 11, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30217748/extraluminal-recanalization-of-bile-duct-anastomosis-obstruction-after-liver-transplantation
#2
Eu Hyun Kim, Hae Giu Lee, Jung Suk Oh, Ho Jong Chun, Byung Gil Choi
This report describes extraluminal recanalization of bile duct anastomosis obstruction after living donor liver transplantation. The procedure was performed in 5 patients in whom negotiation of the biliary anastomotic obstruction by retrograde endoscopic approach and percutaneous intraluminal recanalization had failed. Extraluminal puncture from the donor bile duct to the recipient side bile duct was made with the stiff back end of a 0.035-inch hydrophilic guide wire. After recanalization, a percutaneous transhepatic biliary drainage catheter was placed through the created tract...
September 11, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30217747/dual-energy-ct-derived-volumetric-iodine-concentration-for-the-assessment-of-therapeutic-response-after-microwave-ablation-in-a-rabbit-model-with-intrahepatic-vx2-tumor
#3
Liang Zhang, Na Wang, Jingsong Mao, Xiaofei Liu, Zhichun Gao, Xu Dai, Bo Feng
PURPOSE: To evaluate whether changes in volumetric iodine concentration (VIC) could serve as a suitable predictor of therapeutic response to microwave (MW) ablation in a rabbit intrahepatic VX2 tumor model. MATERIALS AND METHODS: Sixteen intrahepatic VX2 tumors were transplanted in 8 New Zealand White rabbits treated with MW ablation. Contrast-enhanced dual-energy CT scans were obtained at baseline and follow-up. Therapeutic response assessment by modified Response Evaluation Criteria In Solid Tumors (mRECIST), Choi criteria, and VIC changes was performed...
September 11, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30217746/intranodal-glue-embolization-for-the-management-of-postsurgical-groin-lymphocele-and-lymphorrhea
#4
Amanda R Smolock, Gregory Nadolski, Maxim Itkin
This report describes intranodal lymphatic embolization for treatment of groin lymphatic leaks following surgery or percutaneous vascular interventions. In 10 consecutive patients with groin lymphatic leak between 2015 and 2017, lymphangiography with embolization was performed by intranodal injection with dilute N-butyl cyanoacrylate (NBCA). Mean volume of dilute NBCA (1:3 with ethiodized oil) injected was 1 mL. Clinical success rate was 80%. Median time to resolution was 7 days. Intranodal lymphatic embolization for treatment of groin lymphatic leaks is a safe and effective treatment alternative to surgery resulting in a rapid time to resolution...
September 11, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30217745/tumor-targeting-and-three-dimensional-voxel-based-dosimetry-to-predict-tumor-response-toxicity-and-survival-after-yttrium-90-resin-microsphere-radioembolization-in-hepatocellular-carcinoma
#5
Carole Allimant, Marilyne Kafrouni, Julien Delicque, Diana Ilonca, Christophe Cassinotto, Eric Assenat, Jose Ursic-Bedoya, Georges-Philippe Pageaux, Denis Mariano-Goulart, Serge Aho, Boris Guiu
PURPOSE: To identify predictive factors of tumor response, progression-free survival (PFS), overall survival (OS), and toxicity using three-dimensional (3D) voxel-based dosimetry in patients with intermediate and advanced stage hepatocellular carcinoma (HCC) treated by yttrium-90 (90 Y) resin microspheres radioembolization (RE). MATERIALS AND METHODS: From February 2012 to December 2015, 45 90 Y resin microspheres RE procedures were performed for HCC (Barcelona Clinic Liver Cancer stage B/C; n = 15/30)...
September 11, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30217744/prostate-artery-embolization-in-patients-with-prostate-volumes-of-80-ml-or-more-a-single-institution-retrospective-experience-of-93-patients
#6
Shivank Bhatia, Vishal K Sinha, Sardis Harward, Christopher Gomez, Bruce R Kava, Dipen J Parekh
PURPOSE: To evaluate the safety and efficacy of prostate artery embolization (PAE) for the treatment of benign prostatic hyperplasia for prostates ≥ 80 mL. PATIENTS AND METHODS: A retrospective review was conducted of 93 patients with prostate volumes (PVs) ≥ 80 mL treated with PAE from April 2014 through October 2017. Mean patient age was 68.5 years (range 52-88) and mean age-adjusted Charlson comorbidity index was 3.2 (range 1-8). Exclusion criteria included history of biopsy-proven prostate cancer or catheter dependency...
September 11, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30197257/quality-improvement-standards-for-the-treatment-of-pediatric-empyema
#7
G Peter Feola, Mark J Hogan, Kevin M Baskin, Anne Marie Cahill, Bairbre L Connolly, John J Crowley, James A Charles, Manraj K S Heran, Francis E Marshalleck, Sergio Sierre, Richard B Towbin, T Gregory Walker, James E Silberzweig, Michael Censullo, Sean R Dariushnia, Joseph J Gemmete, Jeffrey L Weinstein, Boris Nikolic
No abstract text is available yet for this article.
September 6, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30181044/standards-2-0-methodology-update
#8
Alda L Tam, Laura Findeiss, Michael D Dake, Jeremy D Collins, Raymond W Liu, Ziv J Haskal, Suresh Vedantham, Susan E Sedory, M Victoria Marx
No abstract text is available yet for this article.
September 1, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30177423/one-year-analysis-of-the-prospective-multicenter-sentry-clinical-trial-safety-and-effectiveness-of-the-novate-sentry-bioconvertible-inferior-vena-cava-filter
#9
Michael D Dake, Timothy P Murphy, Albrecht H Krämer, Michael D Darcy, Luke E Sewall, Michael A Curi, Matthew S Johnson, Frank Arena, James L Swischuk, Gary M Ansel, Mitchell J Silver, Souheil Saddekni, Jayson S Brower, Robert Mendes
PURPOSE: To prospectively assess the Sentry bioconvertible inferior vena cava (IVC) filter in patients requiring temporary protection against pulmonary embolism (PE). MATERIALS AND METHODS: At 23 sites, 129 patients with documented deep vein thrombosis (DVT) or PE, or at temporary risk of developing DVT or PE, unable to use anticoagulation were enrolled. The primary end point was clinical success, including successful filter deployment, freedom from new symptomatic PE through 60 days before filter bioconversion, and 6-month freedom from filter-related complications...
August 31, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30174161/combined-effects-of-yttrium-90-transarterial-radioembolization-around-immunotherapy-for-hepatic-metastases-from-uveal-melanoma-a-preliminary-retrospective-case-series
#10
Jiahe Zheng, Zubin Irani, Donald Lawrence, Keith Flaherty, Ronald S Arellano
PURPOSE: To evaluate the safety and efficacy of yttrium-90 (90 Y) transarterial radioembolization (TARE) around immunotherapy in patients with unresectable hepatic metastases from uveal melanoma (UM). MATERIALS AND METHODS: From March 2013 to December 2017, 11 patients with unresectable hepatic metastases from UM were treated with TARE around immunotherapy. Two patients received TARE as a first-line treatment followed by immunotherapy. Nine patients received immunotherapy before TARE, and 6 of these patients received additional immunotherapy after TARE...
August 30, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30174160/midterm-recanalization-after-arterial-embolization-using-hydrogel-coated-coils-versus-fibered-coils-in-an-animal-model
#11
Audrey Fohlen, Julien Namur, Homayra Ghegediban, Alexandre Laurent, Michel Wassef, Jean-Pierre Pelage
PURPOSE: To compare angiographic and pathologic effects (ie, occlusion, recanalization) after embolization with Hydrogel-coated coils (HydroCoils) and fibered coils in the renal and internal iliac arteries after 7 days and 1 and 4 months in an animal model. MATERIALS AND METHODS: Twelve sheep had 1 internal iliac and 1 renal artery randomly embolized with HydroCoils or fibered coils. Renal and internal iliac arteries were embolized with detachable 0.018-inch coils and pushable 0...
August 30, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30174159/endovascular-biopsy-and-endothelial-cell-gene-expression-analysis-of-dialysis-arteriovenous-fistulas-a-feasibility-study
#12
Hugh McGregor, Zhengda Sun, David McCoy, Vishal Kumar, Miles Conrad, Mark Wilson, Daniel Cooke
PURPOSE: To demonstrate feasibility of endothelial cell (EC) biopsy from dialysis arteriovenous fistulas (AVFs) with the use of guidewires and to characterize gene expression differences between ECs from stenotic and nonstenotic outflow vein segments. MATERIALS AND METHODS: Nine consecutive patients undergoing fistulography for AVF dysfunction from June to August 2016 were enrolled. ECs were biopsied with the use of guidewires from venous outflow stenoses and control outflow veins central to the stenoses...
August 30, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30174158/comparison-of-bleeding-complications-between-transplenic-versus-transhepatic-access-of-the-portal-venous-system
#13
Mustafa M Haddad, Chad J Fleming, Scott M Thompson, Christopher J Reisenauer, Ahmad Parvinian, Gregory Frey, Beau Toskich, James C Andrews
PURPOSE: To evaluate the incidence of bleeding complications between transsplenic (TS) and transhepatic (TH) access in portal venous interventions. MATERIALS AND METHODS: Retrospective review of patients who underwent TS or TH access for portal venous system interventions from January 2000 to August 2017. Only procedures with clinical and laboratory follow-up were included (n = 148). Twenty-four TS procedures were performed in 22 patients, and 124 TH procedures were performed in 114 patients...
August 30, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30174157/ct-guided-percutaneous-needle-biopsy-of-retroperitoneal-and-pelvic-lymphadenopathy-assessment-of-technique-diagnostic-yield-and-clinical-value
#14
Haibo Shao, Colin McCarthy, Eric Wehrenberg-Klee, Ashraf Thabet, Raul Uppot, Steven Dawson, Ronald S Arellano
PURPOSE: To assess the technical success rate, diagnostic yield, and clinical value of computed tomography (CT)-guided percutaneous needle biopsy (PNB) for retroperitoneal and pelvic lymphadenopathy. MATERIALS AND METHODS: This retrospective study included 344 patients evaluated for safety and technique and 334 patients evaluated for diagnostic yield and clinical analyses. PNBs were performed with fine-needle aspiration (FNA) in 315 patients and with core biopsy in 333 patients...
August 30, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30174156/video-assisted-thoracic-surgery-resection-without-intraoperative-fluoroscopy-after-ct-guided-microcoil-localization-of-peripheral-pulmonary-nodules
#15
Jason K Lempel, Daniel P Raymond, Usman Ahmad, Susan O'Malley, Michael A Bolen, Ruffin Graham, Joseph T Azok, Jennifer Bullen, Siva Raja, Sudish Murthy
The aim of this brief report is to determine the safety and reliability of minimally invasive video-assisted thoracic surgery (VATS) resection without the aid of intraoperative fluoroscopy after computed tomography (CT)-guided microcoil localization of small peripheral pulmonary nodules. Twenty patients with peripheral lung nodules underwent percutaneous needle localization with a microcoil that was tagged back to the visceral pleural surface. Same-day VATS resection was performed without the use of intraoperative fluoroscopy...
August 30, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30174155/intra-arterial-and-intravenous-contrast-enhanced-ultrasonography-in-prostate-artery-embolization-a-case-series
#16
Emeka Nzekwu, Ani Mirakhur, Angela Lee, Darshan Bakshi
This retrospective case series details early experience with intra-arterial (IA) and intravenous (IV) contrast-enhanced ultrasound (CEUS) in 8 patients (mean age, 70.4 years) who underwent prostatic arterial embolizations from July 2014 to March 2017. Technical success was achieved in 7 of the 8 patients. IA CEUS demonstrated ipsilateral prostatic perfusion in 15 out of 20 interrogated prostatic arteries (PAs), confirming proper catheter placement. Four of the 20 interrogated PAs demonstrated extraprostatic perfusion...
August 30, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30174154/arterial-recanalization-for-access-for-arterial-intervention-in-children-techniques-and-outcomes
#17
Premal A Patel, Sam Stuart, Fergus Robertson, Adam Rennie, Paolo De Coppi, Derek J Roebuck
PURPOSE: To assess technical success of arterial recanalization in children requiring repeated arterial access and intervention. MATERIALS AND METHODS: Over 14 years, 41 attempts to cross 30 arterial occlusions were made in 22 patients (13 male, 9 female). Median patient age was 12 months (15 days-14 years), and weight was 7.6 kg (3.0-77.3 kg). Techniques and outcomes were recorded. RESULTS: Twenty-five of 41 (61%) attempts at crossing an arterial occlusion were successful...
August 30, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30170947/three-dimensional-quantitative-color-coding-analysis-of-hepatic-arterial-flow-change-during-chemoembolization-of-hepatocellular-carcinoma
#18
Ethan Yiyang Lin, Rheun-Chuan Lee, Wan-Yuo Guo, Frank Chun-Hsien Wu, Sonja Gehrisch, Markus Kowarschik
PURPOSE: To evaluate feasibility of using three-dimensional (3D) quantitative color-coding analysis (QCA) to quantify substasis endpoints after transcatheter arterial chemoembolization of hepatocellular carcinoma (HCC). MATERIALS AND METHODS: This single-institution prospective study included 20 patients with HCC who had undergone segmental or subsegmental transcatheter arterial chemoembolization between December 2015 and March 2017. The chemoembolization endpoint was a sluggish anterograde tumor-feeding arterial flow without residual tumor stains...
August 28, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30149997/efficacy-and-radiation-exposure-of-ultra-low-dose-chest-ct-at-100-kvp-with-tin-filtration-in-ct-guided-percutaneous-core-needle-biopsy-for-small-pulmonary-lesions-using-a-third-generation-dual-source-ct-scanner
#19
Chunhai Li, Bo Liu, Hong Meng, Weiwei Lv, Haipeng Jia
PURPOSE: To prospectively investigate efficacy and radiation dose of ultra-low-dose CT-guided percutaneous core needle biopsy (PCNB) at 100 kVp with tin filtration (100 Sn kVp) for small pulmonary lesions. MATERIALS AND METHODS: Study enrolled and randomly assigned 210 patients to standard-dose CT (n = 70) or ultra-low-dose CT (n = 140; 1:2 randomization scheme) protocol. Standard-dose CT settings were reference 110 kVp and 50 mAs, and ultra-low-dose CT settings were fixed at 100 Sn kVp and 70 mAs...
August 24, 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/30093214/dynamic-contrast-enhanced-magnetic-resonance-lymphangiography-and-percutaneous-lymphatic-embolization-for-the-diagnosis-and-treatment-of-recurrent-chyloptysis
#20
Jeffrey Forris Beecham Chick, Gregory J Nadolski, Anthony R Lanfranco, Andrew Haas, Maxim Itkin
Chyloptysis, or the expectoration of triglyceride-rich sputum, is rare and typically treated with diet modification and thoracic duct ligation. This article describes 2 patients with prolonged histories of chyloptysis who failed conservative treatment and thoracic duct ligation. Dynamic contrast-enhanced magnetic resonance imaging delineated the lymphatic anatomy and identified the abnormal pulmonary lymphatic perfusion pathways in both patients. This imaging provided guidance for successful percutaneous lymphatic embolization which resulted in resolution of symptoms in both patients...
August 7, 2018: Journal of Vascular and Interventional Radiology: JVIR
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