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Cardiovascular and Interventional Radiology

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https://www.readbyqxmd.com/read/28083645/extrahepatic-arteries-originating-from-hepatic-arteries-analysis-using-ct-during-hepatic-arteriography-and-visualization-on-digital-subtraction-angiography
#1
Kumi Ozaki, Satoshi Kobayashi, Osamu Matsui, Tetsuya Minami, Wataru Koda, Toshifumi Gabata
PURPOSE: To investigate the prevalence and site of origin of extrahepatic arteries originating from hepatic arteries on early phase CT during hepatic arteriography (CTHA) was accessed. Visualization of these elements on digital subtraction hepatic angiography (DSHA) was assessed using CTHA images as a gold standard. MATERIALS AND METHODS: A total of 943 patients (mean age 66.9 ± 10.3 years; male/female, 619/324) underwent CTHA and DSHA. The prevalence and site of origin of extrahepatic arteries were accessed using CTHA and visualized using DSHA...
January 12, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28078379/chitosan-sodium-tetradecyl-sulfate-hydrogel-characterization-and-preclinical-evaluation-of-a-novel-sclerosing-embolizing-agent-for-the-treatment-of-endoleaks
#2
Fatemeh Zehtabi, Vincent Dumont-Mackay, Ahmed Fatimi, Antony Bertrand-Grenier, Hélène Héon, Gilles Soulez, Sophie Lerouge
PURPOSE: To compare the efficacy of an embolization agent with sclerosing properties (made of chitosan and sodium tetradecyl sulfate, CH-STS) with a similar embolization agent but without sclerosing properties (made of chitosan, CH) in treating endoleaks in a canine endovascular aneurysm repair model. METHODS: Two chitosan-based radiopaque hydrogels were prepared, one with STS and one without STS. Their rheological, injectability, and embolizing properties were assessed in vitro; afterwards, their efficacy in occluding endoleaks was compared in a canine bilateral aneurysm model reproducing type I endoleaks (n = 9 each)...
January 11, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28078378/post-procedural-care-in-interventional-radiology-what-every-interventional-radiologist-should-know-part-i-standard-post-procedural-instructions-and-follow-up-care
#3
Bedros Taslakian, Divya Sridhar
Interventional radiology (IR) has evolved into a full-fledged clinical specialty with attendant patient care responsibilities. Success in IR now requires development of a full clinical practice, including consultations, inpatient admitting privileges, and an outpatient clinic. In addition to technical excellence and innovation, maintaining a comprehensive practice is imperative for interventional radiologists to compete successfully for patients and referral bases. A structured approach to periprocedural care, including routine follow-up and early identification and management of complications, facilitates efficient and thorough management with an emphasis on quality and patient safety...
January 11, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28078377/advances-in-imaging-and-management-trends-of-traumatic-aortic-injuries
#4
Prashant Nagpal, Brian F Mullan, Indrani Sen, Sachin S Saboo, Ashish Khandelwal
Acute traumatic aortic injury (ATAI) is a life-threatening injury. CT is the imaging tool of choice, and the knowledge of direct and indirect signs of injury, grading system, and current management protocol helps the emergency radiologist to better identify and classify the injury and provide additional details that can impact management options. Newer dual-source CT technology with ultrafast acquisition speed has also influenced the appropriate protocol for imaging in patients with suspected ATAI. This review highlights the imaging protocol in patients with blunt trauma, CT appearance and grading systems of ATAI, management options, and the role of the multidisciplinary team in the management of these patients...
January 11, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28078376/ipsilateral-dual-site-same-sitting-percutaneous-lung-biopsy-a-feasibility-study
#5
Joseph Barnett, Aniket N Tavare, Sajid Khan, Ashish Saini, Dean D Creer, Samanjit S Hare
PURPOSE: Patients with thoracic malignancies often have more than one site of pulmonary, nodal or pleural disease within one hemithorax. In addition, large heterogeneous lesions may comprise distinct, mixed pathological entities. Histological analysis of these lesions can alter tumour staging and treatment options. We investigated the feasibility, safety and benefit of performing image-guided percutaneous lung biopsy (PLB) of two lesions in the same hemithorax at a single sitting. MATERIALS AND METHODS: Ten consecutive outpatients with two or more potential disease foci within the same hemithorax were analysed over a 15-month period...
January 11, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28078375/assessing-intra-arterial-complications-of-planning-and-treatment-angiograms-for-y-90-radioembolization
#6
Osman Ahmed, Mikin V Patel, Abdulrahman Masrani, Bradford Chong, Mohammed Osman, Jordan Tasse, Jayesh Soni, Ulku Cenk Turba, Bulent Arslan
PURPOSE: To report hepatic arterial-related complications encountered during planning and treatment angiograms for radioembolization and understand any potential-associated risk factors. MATERIALS AND METHODS: 518 mapping or treatment angiograms for 180 patients with primary or metastatic disease to the liver treated by Yttrium-90 radioembolization between 2/2010 and 12/2015 were retrospectively reviewed. Intra-procedural complications were recorded per SIR guidelines...
January 11, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28074310/recurrence-of-lower-urinary-tract-symptoms-following-prostate-artery-embolization-for-benign-hyperplasia-single-center-experience-comparing-two-techniques
#7
Francisco Cesar Carnevale, Airton Mota Moreira, Sardis Honoria Harward, Shivank Bhatia, Andre Moreira de Assis, Miguel Srougi, Giovanni Guido Cerri, Alberto Azoubel Antunes
PURPOSE: To compare recurrence of lower urinary tract symptoms (LUTS) recurrence at 12 months following original prostate artery embolization (oPAE) or "proximal embolization first, then embolize distal" (PErFecTED) PAE for benign prostatic hyperplasia (BPH). MATERIALS AND METHODS: 105 consecutive patients older than 45 years, with prostate size greater than 30 cm(3), International Prostate Symptom Score (IPSS) ≥ 8, quality of life (QoL) index ≥ 3, and refractory status or intolerance of medical management were prospectively enrolled between June 2008 and August 2013...
January 10, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28062898/why-vascular-surgeons-and-interventional-radiologists-collaborate-or-compete-a-look-at-endovascular-stent-placements
#8
Eric J Keller, Jeremy D Collins, Megan Crowley-Matoka, Howard B Chrisman, Magdy P Milad, Robert L Vogelzang
PURPOSE: To understand how cultural differences between vascular surgeons (VSs) and interventional radiologists (IRs) affect their clinical decision making and inter-specialty relationships. METHODS: Twenty-four conversational interviews were conducted with IRs and VSs about their approaches to patient care, views of their specialty and others, and solutions to any expressed concerns. Interview transcripts were systematically analyzed to identify and compare key themes according to the constructivist grounded theory and content analysis using NVivo 10 software...
January 6, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28062897/the-results-of-ultrasonography-guided-percutaneous-radiofrequency-ablation-in-hyperparathyroid-patients-in-whom-surgery-is-not-feasible
#9
Ismail Cem Sormaz, Arzu Poyanlı, Sami Açar, Ahmet Yalın İşcan, İlker Ozgur, Fatih Tunca, Yasemin Giles Senyürek
BACKGROUND: The aim of the study was to evaluate the results of ultrasonography (US)-guided percutaneous radiofrequency ablation (RFA) in hyperparathyroid patients who refused surgery or had high surgical risks. PATIENTS AND METHODS: Five patients with hyperparathyroidism (HPT) underwent US-guided RFA for a single hyperfunctioning parathyroid lesion. Post-ablation serum calcium and parathormone (PTH) assays were performed. All patients underwent imaging studies 6 months after the ablation to visualize the post-ablation change in the size of the treated parathyroid lesions...
January 6, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28054165/percutaneous-thermal-ablation-with-ultrasound-guidance-fusion-imaging-guidance-to-improve-conspicuity-of-liver-metastasis
#10
Antoine Hakime, Steven Yevich, Lambros Tselikas, Frederic Deschamps, David Petrover, Thierry De Baere
PURPOSE: To assess whether fusion imaging-guided percutaneous microwave ablation (MWA) can improve visibility and targeting of liver metastasis that were deemed inconspicuous on ultrasound (US). MATERIALS AND METHODS: MWA of liver metastasis not judged conspicuous enough on US was performed under CT/US fusion imaging guidance. The conspicuity before and after the fusion imaging was graded on a five-point scale, and significance was assessed by Wilcoxon test. Technical success, procedure time, and procedure-related complications were evaluated...
January 4, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28050660/new-alcohol-and-onyx-mixture-for-embolization-feasibility-and-proof-of-concept-in-both-in-vitro-and-in-vivo-models
#11
Mohammad Saeed Kilani, Fatemeh Zehtabi, Sophie Lerouge, Gilles Soulez, Jean Michel Bartoli, Vincent Vidal, Mohammad F Badran
INTRODUCTION: Onyx and ethanol are well-known embolic and sclerotic agents that are frequently used in embolization. These agents present advantages and disadvantages regarding visibility, injection control and penetration depth. Mixing both products might yield a new product with different characteristics. The aim of this study is to evaluate the injectability, radiopacity, and mechanical and occlusive properties of different mixtures of Onyx 18 and ethanol in vitro and in vivo (in a swine model)...
January 3, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28050659/ischemic-gastric-conditioning-by-preoperative-arterial-embolization-before-oncologic-esophagectomy-a-single-center-experience
#12
Julien Ghelfi, Pierre-Yves Brichon, Julien Frandon, Bastien Boussat, Ivan Bricault, Gilbert Ferretti, Sébastien Guigard, Christian Sengel
PURPOSE: Surgical esophagectomy is the gold standard treatment of early-stage esophageal cancer. The procedure is complicated with significant morbidity; the most severe complication being the anastomotic leakage. Anastomotic fistulas are reported in 5-25% of cases and are mainly due to gastric transplant ischemia. Here, we report our experience of ischemic pre-conditioning using preoperative arterial embolization (PreopAE) before esophagectomy. MATERIALS AND METHODS: The medical records of all patients who underwent oncologic esophagectomy from 2008 to 2015 were retrospectively reviewed...
January 3, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28050658/development-of-a-searchable-database-of-cryoablation-simulations-for-use-in-treatment-planning
#13
F Edward Boas, Govindarajan Srimathveeravalli, Jeremy C Durack, Elena A Kaye, Joseph P Erinjeri, Etay Ziv, Majid Maybody, Hooman Yarmohammadi, Stephen B Solomon
PURPOSE: To create and validate a planning tool for multiple-probe cryoablation, using simulations of ice ball size and shape for various ablation probe configurations, ablation times, and types of tissue ablated. MATERIALS AND METHODS: Ice ball size and shape was simulated using the Pennes bioheat equation. Five thousand six hundred and seventy different cryoablation procedures were simulated, using 1-6 cryoablation probes and 1-2 cm spacing between probes. The resulting ice ball was measured along three perpendicular axes and recorded in a database...
January 3, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28050657/median-arcuate-ligament-syndrome-a-single-center-experience-with-23-patients
#14
Layla A Nasr, Walid G Faraj, Aghiad Al-Kutoubi, Mohamad Hamady, Mohamad Khalifeh, Ali Hallal, Hamzeh M Halawani, Joelle Wazen, Ali A Haydar
BACKGROUND: Median arcuate ligament syndrome (MALS) is a rare entity that occurs when the median arcuate ligament of the diaphragm is low-lying, causing a compression to the underlying celiac trunk. We reviewed the vascular changes associated with MALS in an effort to emphasize the seriousness of this disease and the complications that may result. METHODS: This is a retrospective descriptive analysis of 23 consecutive patients diagnosed with MALS between January 1, 2012 and December 31, 2015 at a tertiary medical center...
January 3, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28035432/chemoembolization-of-neuroendocrine-liver-metastases-using-streptozocin-and-tris-acryl-microspheres-embozar-embosphere%C3%A2-%C3%A2-zanosar-study
#15
Jean-Pierre Pelage, Audrey Fohlen, Emmanuel Mitry, Christine Lagrange, Alain Beauchet, Philippe Rougier
PURPOSE: The purpose of this prospective observational study was to evaluate the efficacy and tolerability of transarterial chemoembolization (TACE) for neuroendocrine liver metastases using a combination of streptozocin, Lipiodol, and tris-acryl microspheres. PATIENTS AND METHODS: A total of 16 men and 9 women aged 59.6 ± 11.3 years, all with predominant liver disease, underwent 54 courses of TACE using an emulsion of 1.5 g of streptozocin and 10 ml of Lipiodol...
December 29, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28035431/cutting-balloon-angioplasty-cba-for-the-treatment-of-renal-artery-fibromuscular-dysplasia-fmd-in-six-patients-5-year-long-term-results
#16
Antonio Raffaele Cotroneo, Luigi Amoroso, Alberto Giammarino, Daniele Galasso, Francesco Taglialatela, Carmine Timpani, Daniela Gabrielli
PURPOSE: To evaluate long-term outcomes in terms of hypertension control, recurrent stenosis, and reinterventions from patients who underwent cutting balloon angioplasty (CBA) for symptomatic renal artery fibromuscular dysplasia (FMD). MATERIALS AND METHODS: From 2011, six consecutive renal artery FMD women underwent CBA for poorly controlled hypertension, despite antihypertensive therapy. Follow-up consisted of blood pressure monitoring and duplex ultrasonography at 1, 6, and 12 months and thereafter annually for 5 years...
December 29, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28032133/a-systematic-review-of-prostatic-artery-embolization-in-the-treatment-of-symptomatic-benign-prostatic-hyperplasia
#17
Michelle Kuang, Anthony Vu, Sriharsha Athreya
PURPOSE: To summarize current evidence on outcomes and complications of prostatic artery embolization as a treatment for patients with lower urinary tract symptoms secondary to benign prostatic hyperplasia. METHODS AND MATERIALS: A database search of MEDLINE, Embase, Web of Science, and Cochrane Library was performed for published literature up to August 2015 concerning PAE in the treatment of BPH. Inclusion and exclusion criteria were applied by two independent reviewers, and disagreements were resolved by consensus...
December 28, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28032132/reply-to-the-comment-prophylactic-uterine-artery-embolization-in-mid-trimester-pregnancy-termination-for-placenta-previa-required-for-all-patients
#18
LETTER
Renguang Pei
No abstract text is available yet for this article.
December 28, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28032131/endovascular-mechanical-thromboaspiration-of-right-hepatic-arterial-thrombosis-after-liver-transplantation
#19
Roberto Gandini, Daniel Konda, Luca Toti, Sergio Abrignani, Stefano Merolla, Giuseppe Tisone, Roberto Floris
A 56-year-old male Patient presented 27 days after a liver transplantation (LT) with fever and hyperbilirubinemia. He underwent CT examination resulting in a diagnosis of right hepatic artery (HA) occlusion with hepatic bilomas. Once placed a long right femoral 6F introducer at the origin of the HA, a 0.014" guidewire was advanced over the thrombus, in a segmental branch. A 4MAX (Penumbra, Alameda, USA) catheter was advanced and withdrawn under constant aspiration until complete clot removal was achieved. Follow-up CT and D-US assessments at 12 months demonstrated regular HA patency and bilomas reduction...
December 28, 2016: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28028579/prophylactic-uterine-artery-embolization-in-mid-trimester-pregnancy-termination-for-placenta-previa-required-for-all-patients
#20
LETTER
Shigeki Matsubara, Hironori Takahashi, Yosuke Baba
No abstract text is available yet for this article.
December 27, 2016: Cardiovascular and Interventional Radiology
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