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Vascular and Interventional Radiology

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https://www.readbyqxmd.com/read/29137094/a-novel-non-contrast-enhanced-mra-using-silent-scan-for-evaluation-of-brain-arteriovenous-malformation-a-case-report-and-review-of-literature
#1
Jin Il Moon, Hye Jin Baek, Kyeong Hwa Ryu, Hyun Park
RATIONALE: Brain arteriovenous malformations (AVMs) are congenital vascular abnormalities involving abnormal connections between arteries and veins. In clinical practice, imaging studies help evaluate feeding arteries, niduses, draining venous systems, and coexisting complications in patients with brain AVM. They also have an impact on decision-making regarding clinical management. We applied a novel non-contrast-enhanced MR angiography (MRA) technique, termed "silent MRA," for evaluating an incidental brain AVM...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29124344/three-dimensional-computed-tomography-angiography-reconstruction-of-the-origin-of-the-uterine-artery-and-its-clinical-significance
#2
Alexandra Arfi, Julia Arfi-Rouche, Vincent Barrau, Krystel Nyangoh Timoh, Cyril Touboul
PURPOSE: In women, the uterine artery is the main branch of the internal iliac artery, vascularizing most of the uterus. Knowledge of its origin and variations is essential during extensive gynaecological surgery and interventional radiological procedures. We aimed to investigate its origin and explore its anatomical variations by three-dimensional (3D) reconstructed computed tomography (CT) angiography. METHODS: This was a retrospective, monocentric observational study involving CT scans of the abdomen and lower limbs of women < 50 years old with 3D reconstructed CT images of the internal and external iliac arterial axes...
November 9, 2017: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29121841/prophylactic-inferior-vena-cava-filter-utilization-and-risk-factors-for-nonretrieval
#3
Jordan R Stern, Danielle E Cafasso, Andrew J Meltzer, Darren B Schneider, Sharif H Ellozy, Peter H Connolly
PURPOSE: Inferior vena cava filters (IVCFs) are often placed for prophylactic indications. We sought to better define the range of practice indications for placement of prophylactic IVCFs, as well as the specific retrieval rate and risk factors for nonretrieval. METHODS: A retrospective, single-institution review of patients undergoing IVCF placement over a 2-year period was performed. Patients undergoing prophylactic IVCF placement were selected from a prospectively collected database...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29113514/microballoon-related-interventions-in-various-endovascular-treatments-of-body-trunk-lesions
#4
Tomohiro Matsumoto, Kosuke Tomita, Satoshi Suda, Kazunobu Hashida, Shunto Maegawa, Toshihiko Hayashi, Takuji Yamagami, Tetsuya Suzuki, Terumitsu Hasebe
Occlusion balloon catheters of 5.2- or 6-French have been used for a few decades in various endovascular treatments of body trunk vascular lesions. However, these catheters may be difficult to place in cases of excessive vessel tortuosity, small vessels, and anatomic complexity. Recently, the introduction of the double lumen microballoon catheters for body trunk vascular lesions has allowed operators to advance them into more distal, smaller, and more tortuous vessels. Since the launch of the first generation microballoon catheters onto the market in Japan in 2011, the microballoon catheters have evolved and are now generally available for clinical use...
November 7, 2017: Minimally Invasive Therapy & Allied Technologies: MITAT
https://www.readbyqxmd.com/read/29106711/interventions-for-treating-central-venous-haemodialysis-catheter-malfunction
#5
REVIEW
Alice L Kennard, Giles D Walters, Simon H Jiang, Girish S Talaulikar
BACKGROUND: Adequate haemodialysis (HD) in people with end-stage kidney disease (ESKD) is reliant upon establishment of vascular access, which may consist of arteriovenous fistula, arteriovenous graft, or central venous catheters (CVC). Although discouraged due to high rates of infectious and thrombotic complications as well as technical issues that limit their life span, CVC have the significant advantage of being immediately usable and are the only means of vascular access in a significant number of patients...
October 26, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29103963/clinical-and-radiological-evaluation-of-periocular-infantile-hemangioma-treated-with-oral-propranolol-a-case-series
#6
Maria Antonieta Ginguerra, Osmar Saito, José Byron V D Fernandes, Deborah S Castro, Suzana Matayoshi
PURPOSE: Evaluate the efficacy of propranolol (3 mg/kg/day) in the treatment of periocular infantile hemangioma (IH) based on clinical and radiological findings. DESIGN: Prospective interventional case series METHODS: Study of previously untreated infants with IH conducted at the ophthalmology outpatient service of HC-FMUSP (Brazil). The patients were submitted to a complete ophthalmological examination, grey-scale and Doppler US, and nuclear MRI. Lesion regression was evaluated clinically and radiologically during follow-up...
November 2, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/29101994/acr-appropriateness-criteria-%C3%A2-thoracic-aorta-interventional-planning-and-follow-up
#7
Gregory Bonci, Michael L Steigner, Michael Hanley, Aaron R Braun, Benoit Desjardins, Ron C Gaba, Kenneth L Gage, Jon S Matsumura, Eric E Roselli, David M Sella, Richard Strax, Nupur Verma, Clifford R Weiss, Karin E Dill
Thoracic endovascular aortic repair (TEVAR) has undergone rapid evolution and is now applied to a range of aortic pathologies. Imaging plays a vital role in the pre- and postintervention assessment of TEVAR patients. Accurate characterization of pathology and evaluation for high-risk anatomic features are necessary in the planning phase, and careful assessment for graft stability, aortic lumen diameter, and presence of endoleak are paramount in the follow-up period. CTA is the imaging modality of choice for pre- and postintervention assessment, and MRA is an acceptable alternative depending on patient stability and graft composition...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29101991/acr-appropriateness-criteria-%C3%A2-renovascular-hypertension
#8
Howard J Harvin, Nupur Verma, Paul Nikolaidis, Michael Hanley, Vikram S Dogra, Stanley Goldfarb, John L Gore, Stephen J Savage, Michael L Steigner, Richard Strax, Myles T Taffel, Jade J Wong-You-Cheong, Don C Yoo, Erick M Remer, Karin E Dill, Mark E Lockhart
Renovascular hypertension is the most common type of secondary hypertension and is estimated to have a prevalence between 0.5% and 5% of the general hypertensive population, and an even higher prevalence among patients with severe hypertension and end-stage renal disease, approaching 25% in elderly dialysis patients. Investigation for renal artery stenosis is appropriate when clinical presentation suggests secondary hypertension rather than primary hypertension, when there is not another known cause of secondary hypertension, and when intervention would be carried out if a significant renal artery stenosis were identified...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29101990/acr-appropriateness-criteria-%C3%A2-iliac-artery-occlusive-disease
#9
Alexander Z Copelan, Baljendra S Kapoor, Ali F AbuRahma, Thomas R Cain, Drew M Caplin, Khashayar Farsad, M-Grace Knuttinen, Margaret H Lee, Joseph J McBride, Jeet Minocha, Stephen P Reis, Paul J Rochon, Colette M Shaw, Jonathan M Lorenz
Iliac artery occlusive disease can present as a sudden-onset acute thrombotic or thromboembolic event or as a chronic progressive atherosclerotic process that presents as claudication progressing to rest pain. Depending on the clinical presentation, the diagnosis is usually confirmed through Doppler vascular ultrasound, CT angiography, or MR angiography; the choice of imaging is usually based on modality availability and the presence of patient comorbidities such as chronic kidney disease. The Trans-Atlantic Inter-Society Consensus II classification system is commonly used to describe the extent of the peripheral vascular disease...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29101983/acr-appropriateness-criteria-%C3%A2-imaging-for-transcatheter-aortic-valve-replacement
#10
Jonathon A Leipsic, Philipp Blanke, Michael Hanley, Juan C Batlle, Michael A Bolen, Richard K J Brown, Benoit Desjardins, Robert T Eberhardt, Heather L Gornik, Lynne M Hurwitz, Hersh Maniar, Himanshu J Patel, Elizabeth F Sheybani, Michael L Steigner, Nupur Verma, Suhny Abbara, Frank J Rybicki, Jacobo Kirsch, Karin E Dill
Aortic stenosis is a common valvular condition with increasing prevalence in aging populations. When severe and symptomatic, the downstream prognosis is poor without surgical or transcatheter aortic valve replacement. Transcatheter aortic valve replacement is now considered a viable alternative to surgical aortic valve replacement in patients considered high and intermediate risk for surgery. Pre-intervention imaging with echocardiography and CT are essential for procedure planning and device selection to help optimize clinical outcomes with MR angiography playing largely a complementary role...
November 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/29101959/pediatric-anesthesia-considerations-for-interventional-radiology
#11
REVIEW
Olivia Nelson, Philip D Bailey
Anesthesiologists are increasingly called on to care for pediatric patients undergoing diagnostic imaging and invasive procedures in interventional radiology. These procedures are typically classified as either nonvascular or vascular, and can range from short diagnostic imaging studies or biopsies to significantly longer and more invasive intravascular procedures. Anesthesia providers must consider each child's ability to cooperate reliably during the procedure, their age, and any cognitive impairment to define the best anesthetic plan...
December 2017: Anesthesiology Clinics
https://www.readbyqxmd.com/read/29081155/-changes-of-brain-function-and-cognitive-function-after-carotid-artery-stenting
#12
Z X Lu, G Deng, H L Wei, G F Zhao, L Z Wen, X Chen
Objective: To investigate the effect of carotid artery stenting(CAS) on cognitive function and brain function based on changes of a battery of neuropsychological tests and magnetic resonance imaging. Methods: Thirty-three patients were included with 17 in the stent-placement group and 16 in the control group (receiving medical treatment), among whom, the unilateral or bilateral severe internal carotid artery stenosis was confirmed by cerebral vascular angiography in the department of Interventional Radiology and Vascular Surgery of Zhongda Hospital Southeast University from June 2015 to September 2016...
October 24, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/29076681/anatomical-variants-of-celiac-trunk-hepatic-and-renal-arteries-in-a-population-of-developing-country-using-multidetector-computed-tomography-angiography
#13
Muhammad Arifuzzaman, Syeda Sawaira Nasim Naqvi, Hatem Adel, Syed Omair Adil, Mahreen Rasool, Munawar Hussain
BACKGROUND: Multidetector Computed Tomography (MDCT)s has become a major part in evaluation of hepatic and renal tumours. With improvements in MDCT, CT angiography has also improved and normal anatomy and its variants in patients undergoing operative or interventional procedures can be effectively studied. The purpose of this study was to evaluate the frequency of anatomical variation of celiac trunk, hepatic and renal arterial systems in patients undergoing multidetector CT (MDCT) angiography of the abdominal aorta...
July 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/29068964/an-algorithm-for-managing-intraosseous-vascular-anomalies-of-the-craniofacial-skeleton
#14
Kathryn V Isaac, Tara Lynn Teshima, Richard I Aviv, Mahmood Fazl, Leodante da Costa, Todd Mainprize, Oleh Antonyshyn
BACKGROUND: Intraosseous vascular anomalies (IOVA) are rare in the craniofacial skeleton and present a diagnostic and therapeutic challenge. This study aims to describe the clinical management based on a large case series. METHODS: A retrospective chart review was performed and 9 IOVA were identified over a 15-year period. Data on demographics, diagnostic features, clinical management, and outcomes were reviewed. RESULTS: Five frontal bone IOVA and 4 orbital IOVA were identified...
October 24, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29064016/clinical-features-and-outcomes-of-gastric-ischemia
#15
Ayush Sharma, Saurabh Mukewar, Suresh T Chari, Louis M Wong Kee Song
BACKGROUND AND AIMS: Gastric ischemia is a rare condition associated with poor prognosis. Our study aim was to highlight the clinical features and outcomes of patients with gastric ischemia. METHODS: A retrospective review of patients diagnosed with isolated gastric ischemia at our institution from January 1, 2000, to May 5, 2016, was performed. Demographic, clinical, endoscopic, radiologic, and outcome variables were abstracted for analysis. RESULTS: Seventeen patients (65% men) with mean age of 69...
December 2017: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/28972807/the-future-of-interventional-and-neurointerventional-radiology-learning-lessons-from-the-past
#16
Julian Maingard, Hong Kuan Kok, Dinesh Ranatunga, Duncan Mark Brooks, Ronil V Chandra, Michael J Lee, Hamed Asadi
The rapid progression of medical imaging technology and the ability to leverage knowledge from non-invasive imaging means that Interventional Radiologists (IRs) and Interventional Neuroradiologists are optimally placed to incorporate minimally invasive interventional paradigms into clinical management to advance patient care. There is ample opportunity to radically change the management options for patients with a variety of diseases through the use of minimally invasive interventional procedures. However, this will need to be accompanied by an increased clinical role of IRs to become active partners in the clinical management of patients...
December 2017: British Journal of Radiology
https://www.readbyqxmd.com/read/28956080/-ultrasound-training-in-the-professional-development-of-radiological-specialists-concepts-and-challenges
#17
REVIEW
Marc-André Weber, Stefan Delorme
ISSUE: Ultrasound is an integral part of imaging diagnostics but, unlike CT or MRI, requires the physician to have advanced technical skills for the implementation and documentation of studies. CURRENT SITUATION: Owing to poor remuneration and the large effort required, ultrasound is not a priority at many institutions, and compared to CT, MRI or interventions, little reward is given to those committed to ultrasound. Intense practical teaching is rarely given. As a result, residents have to teach themselves or gain experience during rotations outside radiology...
September 27, 2017: Der Radiologe
https://www.readbyqxmd.com/read/28941968/popliteal-pseudoaneurysm-and-arteriovenous-fistula-after-arthroscopic-anterior-and-posterior-cruciate-ligament-reconstruction-a-case-report
#18
Ding Xu, Liefeng Ji, Jiang Zhu, Yuefeng Xie
INTRODUCTION: Vascular injuries are a well recognised but very rare complication of surgery or trauma around the knee, especially associated with arthroscopic anterior and posterior cruciate ligament reconstruction. PRESENTATION OF CASE: This report describes a case of a Popliteal pseudoaneurysm and arteriovenous fistula after Arthroscopic anterior and Posterior Cruciate Ligament Reconstruction. An 57-year-old male who complained of pain and swelling around the left lower extremity after the ACL and PCL reconstruction using a semitendinosus graft from the two limbs caused by bicycle accident...
2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28931184/-modern-interdisciplinary-management-of-a-uretero-iliac-artery-fistula-case-report
#19
D Benedix, F Meyer, F Fischbach, A Janitzky, Z Halloul
Introduction Abnormal links between the arterial system and other luminal systems are a challenge to those in charge of their adequate diagnostic and therapeutic management. Objective Scientific case report on an individual who underwent successful treatment combining vascular-surgical and interventional radiology techniques for a rare right uretero-iliac artery fistula based on personal clinical experience, a selective literature research and a detailed discussion of current recommendations for diagnostic workup and subsequent treatment...
September 20, 2017: Aktuelle Urologie
https://www.readbyqxmd.com/read/28895367/is-management-of-complex-abdominal-aortic-aneurysms-consistent-across-the-uk-a-questionnaire-based-survey
#20
Eleanor Atkins, Ranjeet Narlawar, Francesco Torella, George A Antoniou
BACKGROUND: Our objective was to quantify variability across the UK in the management of a complex abdominal aortic aneurysm (AAA). METHODS: An online survey was emailed to all members of the Vascular Society for Great Britain and Ireland. The survey presented a vignette of a 63-year-old woman with significant respiratory co-morbidity whose computed tomographic (CT) angiogram demonstrated a 54 mm AAA with a short (7 mm) proximal neck but no other adverse morphological features for a standard or complex endovascular aneurysm repair (EVAR)...
September 11, 2017: International Angiology: a Journal of the International Union of Angiology
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