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Cardiovascular and Interventional Radiology

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https://www.readbyqxmd.com/read/28612147/fluoroscopic-targeting-of-wallstents-and-amplatzer-vascular-plugs-in-sharp-recanalization-of-chronic-venous-occlusions
#1
Minhaj S Khaja, Jeffrey Forris Beecham Chick, Ari D Schuman, Kyle J Cooper, Bill S Majdalany, Wael E Saad, David M Williams
INTRODUCTION/PURPOSE: Sharp recanalization of chronic venous occlusions is usually performed with targeting of wire-capture devices like loop snares or balloons. We describe sharp recanalization of chronic venous occlusions using self-expanding stents and vascular plugs. MATERIAL AND METHODS: We retrospectively reviewed all sharp venous recanalization procedures performed over an 11-month period and found Wallstent and Amplatzer vascular plug (AVP) targeting was performed in 16 patients...
June 13, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28600637/transfemoral-snare-assisted-advancement-of-stent-graft-across-acutely-angulated-aortic-arch
#2
Sang Yub Lee, Dongho Hyun, Kwang Bo Park, Hong Suk Park, Young Soo Do
Delivery of stent grafts during thoracic endovascular aortic replacement can be challenging, especially in aortic arches with severe angulation. Several techniques have been recommended to achieve this. We introduce a simple technical method, transfemoral snare-assisted device advance, which was successful in a 72-year-old woman with an aneurysm in a severely angulated aortic arch and review various technical tips.
June 9, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28597064/magnetic-resonance-signal-intensity-ratio-measurement-before-uterine-artery-embolization-ability-to-predict-fibroid-size-reduction
#3
Stevo Duvnjak, Pernille Ravn, Anders Green, Poul Erik Andersen
PURPOSE: To evaluate whether the magnetic resonance imaging (MRI) signal intensity (SI) ratio between the dominant fibroid and the periphery striated muscle can predict fibroid volume reduction >50% after uterine fibroid embolization (UFE). MATERIALS AND METHODS: From October 2013 until May 2016, 52 patients were included in this prospective study. The SI ratio before UFE was calculated using circular region of interests placed on the dominant fibroid and the iliac muscle...
June 8, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28597063/limited-post-observation-period-in-pediatric-outpatient-ultrasound-guided-liver-biopsies
#4
Shireen Hayatghaibi, Daniel Ashton, Heather Cleveland, Kamlesh Kukreja
PURPOSE: We retrospectively studied whether a limited 2 h post-biopsy observation period after a percutaneous outpatient ultrasound-guided liver biopsy is a sufficient monitoring period for children. MATERIALS AND METHODS: This study is an IRB-approved retrospective cohort review of consecutive outpatient percutaneous ultrasound-guided liver biopsies from June 01, 2014, to June 30, 2016. A total of 198 biopsies in 192 patients (85 females and 113 males) underwent an outpatient ultrasound-guided liver biopsy between June 01, 2014, and June 30, 2016 (age range 3 weeks-18 years, mean 11...
June 8, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28593396/balloon-occluded-microwave-ablation-a-potential-therapeutic-option-in-liver-lesions-bearing-close-proximity-to-major-hepatic-and-or-portal-veins
#5
LETTER
Kelvin Cortis, Sarah Degiorgio, Christine Cannataci, Roberto Miraglia
No abstract text is available yet for this article.
June 7, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28593395/anti-tumor-effects-of-sorafenib-administered-at-different-time-points-in-combination-with-transarterial-embolization-in-a-rabbit-vx2-liver-tumor-model
#6
Yuki Tomozawa, Norihisa Nitta, Shinichi Ohta, Shobu Watanabe, Akinaga Sonoda, Ayumi Nitta-Seko, Keiko Tsuchiya, Kiyoshi Murata
OBJECTIVE: To investigate the most suitable timing parameters when using sorafenib to enhance the anti-tumor effects of transarterial embolization (TAE) in a rabbit VX2 liver tumor model. MATERIALS AND METHODS: Twenty-five Japanese white rabbits were randomly assigned to five equal groups two weeks after VX2 tumor transplantation to the liver. We then performed the combination treatment with sorafenib and TAE in the according ways; Group 1 (TAE just before consecutive 7-day administration of sorafenib), Group 2 (TAE on second day of the administration period), Group 3 (TAE on fourth day of the administration period), and Group 4 (TAE after the administration period)...
June 7, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28593394/double-balloon-assisted-coil-embolization-bace-combined-with-proximal-and-distal-balloon-inflation-for-short-abdominal-arterial-segments-comparison-with-single-bace
#7
Mitsunari Maruyama, Takeshi Yoshizako, Tomonori Nakamura, Megumi Nakamura, Rika Yoshida, Shinji Ando, Hajime Kitagaki
PURPOSE: To evaluate the differences of technique between coil embolization for short abdominal arterial segments with only proximal balloon inflation and combined proximal and distal balloon inflation, as well as the volume embolization ratio (VER) and the ratio of the first coil diameter to the target vessel diameter (first coil diameter ratio). MATERIALS AND METHODS: From January 2014 to August 2016, we performed coil embolization of the short segment in seven patients...
June 7, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28593393/endovascular-management-of-severe-arterial-haemorrhage-after-radical-prostatectomy-a-case-series
#8
Lawrence Bonne, Patrick Gillardin, Liesbeth De Wever, Els Vanhoutte, Steven Joniau, Raymond Oyen, Geert Maleux
PURPOSE: The aim of this study is to assess the safety, effectiveness and long-term outcome of endovascular management of arterial haemorrhage after radical prostatectomy (RP). MATERIALS AND METHODS: Ten patients who received endovascular treatment for refractory bleeding after RP between January 2008 and December 2016 were retrospectively identified. Contrast-enhanced computed tomography (CT) was performed and followed by catheter-directed treatment by means of transarterial embolization (TAE) or stent graft placement...
June 7, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28589250/histopathological-and-bacteriological-analysis-of-thrombus-material-extracted-during-mechanical-thrombectomy-in-acute-stroke-patients
#9
Francisco Hernández-Fernández, Laura Rojas-Bartolomé, Jorge García-García, Óscar Ayo-Martín, Juan David Molina-Nuevo, Rosa Angélica Barbella-Aponte, Gemma Serrano-Heras, Enrique Juliá-Molla, María José Pedrosa-Jiménez, Tomás Segura
PURPOSE: Management of stroke secondary to septic emboli (SE) remains challenging, due to both the lack of specific recommendations and the gravity of the underlying pathology.The aim of this study is to describe the presence of SE in a series of mechanical thrombectomies (MT), analyzing technical complexity and outcomes with respect to the patients by means of histological analysis and microbiological study of the clot. METHODS: All the retrieved clots were studied under an established protocol, including histopathological and bacteriological study with hematoxylin-eosin, Gram and Gomori trichrome staining...
June 6, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28584948/evaluation-of-visualization-using-a-50-50-contrast-media-glucose-5-solution-technique-for-radioembolization-as-an-alternative-to-a-standard-sandwich-technique
#10
Karolin J Paprottka, Andrei Todica, Harun Ilhan, Johannes Rübenthaler, Franziska Schoeppe, Marlies Michl, Volker Heinemann, Peter Bartenstein, Maximilian F Reiser, Philipp M Paprottka
BACKGROUND: Radioembolization (RE) with (90)yttrium ((90)Y) resin microspheres generally employs a sandwich technique with separate sequential administration of contrast medium (CM), followed by vehicle (e.g., glucose 5% [G5] solution), then (90)Y resin microspheres (in G5), then G5, and then CM again to avoid contact of CM and microspheres under fluoroscopic guidance. This study evaluates the visualization quality and safety of a modified sandwich technique with a 50/50-mixture of CM (Imeron 300) and G5 for administration of (90)Y resin microspheres...
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28584947/mechanical-recanalization-using-solitaire-ab-device-for-severe-thromboembolic-events-in-endovascular-treatment-of-intracranial-aneurysms
#11
Qiuji Shao, Liangfu Zhu, Tianxiao Li, Li Li, Yingkun He, Kaitao Chang, Xiaodong Liang
INTRODUCTION: Severe thromboembolism with complete occlusion of the proximal arteries during or after coil embolization can cause serious neurologic deficits. The study aimed to assess the effectiveness and safety of Solitaire AB device as a rescue therapy for severe thromboembolic complications in the endovascular treatment of intracranial aneurysms. MATERIALS AND METHODS: Between February 2013 and April 2016, 1047 intracranial aneurysms treated with endovascular procedures were retrospectively reviewed in our center...
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28584946/post-procedural-care-in-interventional-radiology-what-every-interventional-radiologist-should-know-part-ii-catheter-care-and-management-of-common-systemic-post-procedural-complications
#12
Bedros Taslakian, Divya Sridhar
Interventional radiology (IR) has evolved into a full-fledged clinical specialty with attendant comprehensive patient care responsibilities. Providing excellent and thorough clinical care is as essential to the practice of IR as achieving technical success in procedures. Basic clinical skills that every interventional radiologist should learn include routine management of percutaneously inserted drainage and vascular catheters and rapid effective management of common systemic post-procedural complications. A structured approach to post-procedural 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...
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28584945/cirse-quality-assurance-document-and-standards-for-classification-of-complications-the-cirse-classification-system
#13
D K Filippiadis, C Binkert, O Pellerin, R T Hoffmann, A Krajina, P L Pereira
Interventional radiology provides a wide variety of vascular, nonvascular, musculoskeletal, and oncologic minimally invasive techniques aimed at therapy or palliation of a broad spectrum of pathologic conditions. Outcome data for these techniques are globally evaluated by hospitals, insurance companies, and government agencies targeting in a high-quality health care policy, including reimbursement strategies. To analyze effectively the outcome of a technique, accurate reporting of complications is necessary...
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28584944/psoas-abscess-and-spondylodiscitis-following-radiofrequency-ablation-of-a-renal-tumour-unexpected-complications
#14
LETTER
Simon A Zakeri, An Ngo, Nabil Kibriya
No abstract text is available yet for this article.
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28584943/compartment-syndrome-after-embolization-of-arteriovenous-malformation
#15
Kyoung Won Yoon, Seon-Hee Heo, Dongho Hyun, Kwang Bo Park, Young Soo Do, Dong-Ik Kim
Management of arteriovenous malformations (AVMs) remains challenging because of their unpredictable course and high morbidity rate. In this case report, we present a patient with a huge AVM on the right calf who suffered complications of compartment syndrome, rhabdomyolysis, skin necrosis, and nerve damage after sclerotherapy. Limb salvage was achieved in spite of these devastating complications. A multidisciplinary team approach is important especially when making decisions for the management of a complicated AVM...
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28584942/combined-ct-fluoroscopic-and-ivus-guidance-for-percutaneous-treatment-of-a-postsurgical-pseudoaneurysm-following-repair-of-ascending-thoracic-aortic-aneurysm
#16
Anastasia Hadjivassiliou, Joel Gagnon, Michael Janusz, Darren Klass
Thoracic aortic pseudoaneurysms are a recognized complication following aortic arch replacement. The established first line treatment is surgical repair; however, this may not be feasible in all patients. Percutaneous treatment of ascending thoracic pseudoaneurysms has been described as an alternative for nonsurgical candidates. Utilization of multimodality imaging can prove invaluable in minimizing the risk of potentially fatal intra-procedural complications. We present a case of successful embolization using computer tomography-guided direct percutaneous puncture of the pseudoaneurysm, with concomitant endovascular treatment under fluoroscopic and intravascular ultrasound guidance in a patient with challenging vascular anatomy...
June 5, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28560551/repetitive-blunt-trauma-and-arterial-injury-in-the-hand
#17
REVIEW
Geoffrey A Gardiner, Allison Tan
INTRODUCTION/PURPOSE: Arterial injury in the hand is most often due to repetitive blunt trauma. Although not always associated with significant impairment, it may cause serious ischemic damage or considerable disability. As a cause of digital ischemia, the frequency of this disorder is widely under appreciated. This study reviews the clinical and angiographic features of this condition. MATERIALS/METHODS: An extensive literature review combined with the authors experience with arterial injury in the hand due to repetitive blunt hand trauma is summarized with emphasis on mechanisms of injury and pathologic changes to explain the angiographic findings and clinical presentations...
May 30, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28560550/reply-to-safety-and-efficacy-of-y-90-radioembolization-after-prior-major-hepatic-resection-dosimetric-consideration
#18
LETTER
Markus Zimmermann, Philipp Bruners
No abstract text is available yet for this article.
May 30, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28560549/cost-analysis-of-prostate-artery-embolization-pae-and-transurethral-resection-of-the-prostate-turp-in-the-treatment-of-benign-prostatic-hyperplasia
#19
Sandeep Bagla, John Smirniotopoulos, Julie Orlando, Rachel Piechowiak
PURPOSE: Prostatic arterial embolization (PAE) has emerged as a minimally invasive alternative to TURP; however, there are limited cost comparisons reported. The purpose of this study was to compare in-hospital direct costs of elective PAE and TURP in a hospital setting. MATERIALS AND METHODS: Institutional Review Board-approved retrospective review was performed on patients undergoing PAE and TURP from January to December 2014. Inclusion criteria included male patients greater than 40 years of age who presented for ambulatory TURP or PAE with no history of prior surgical intervention for BPH...
May 30, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28550514/regarding-yttrium-90-radioembolization-for-unresectable-combined-hepatocellular-cholangiocarcinoma
#20
LETTER
Zhongzhi Jia
No abstract text is available yet for this article.
May 26, 2017: Cardiovascular and Interventional Radiology
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