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Neurointerventional radiology

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https://www.readbyqxmd.com/read/27919793/inter-rater-reliability-for-thrombolysis-in-cerebral-infarction-with-tici-2c-category
#1
Ondrej Volny, Petra Cimflova, Viktor Szeder
BACKGROUND AND PURPOSE: Thrombolysis in cerebral infarction (TICI) with 2b/3 (>50% of occluded territory/complete reperfusion) has been regarded as a successful angiographic outcome. To account for near-perfect angiographic results, the category TICI 2c (near-complete reperfusion) has been introduced. As the degree of inter-rater reliability for TICI with 2c category remains poorly studied, we strived to evaluate the agreement among stroke-treating specialists. METHODS: All consecutive patients, who underwent stent-retriever thrombectomy for acute ischemic stroke in the period between January 2014 and April 2016 at the Department of Neurointerventional Radiology, were analyzed...
December 2, 2016: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27718098/neurovascular-emergencies-imaging-diagnosis-and-neurointerventional-treatment
#2
W Tania Rahman, Julius Griauzde, Neeraj Chaudhary, Aditya S Pandey, Joseph J Gemmete, Suzanne T Chong
Neurovascular emergencies, consisting of acute ischemic stroke, non-traumatic aneurysmal subarachnoid hemorrhage, arteriovenous malformation, dural arteriovenous fistula, and carotid- cavernous fistula, can have an acute presentation to the emergency department. Radiologists should have an understanding of these processes and their imaging findings in order to provide a prompt and accurate diagnosis. Neurointerventional radiology plays a critical role in providing additional diagnostic information and potentially curative treatment...
October 7, 2016: Emergency Radiology
https://www.readbyqxmd.com/read/27339951/aneurysms-associated-with-brain-arteriovenous-malformations
#3
S K Rammos, B Gardenghi, C Bortolotti, H J Cloft, G Lanzino
Brain arteriovenous malformations are frequently associated with the presence of intracranial aneurysms at a higher-than-expected incidence based on the frequency of each lesion individually. The identification of intracranial aneurysms in association with AVMs has increased due to improvement in diagnostic techniques, particularly 3D and superselective conventional angiography. Intracranial aneurysms may confer a higher risk of hemorrhage at presentation and of rehemorrhage in patients with AVMs and therefore may be associated with a more unfavorable natural history...
June 23, 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/27137521/criteria-for-training-and-accreditation-in-interventional-neuroradiology-neurointervention-approved-by-the-spanish-group-of-interventional-neuroradiology-geni-the-spanish-society-of-neuroradiology-senr-the-spanish-group-of-cerebrovascular-diseases-geecv-the
#4
F Fortea, J Masjuan, F Arikán-Abello, A Rovira, A González, J Arenillas, J Fernández Alen, J Gállego
BACKGROUND: The development of endovascular techniques has put Interventional Neuroradiology (INR) as the first-option treatment in the majority of vascular diseases of the central nervous system. Scientific societies in developed countries have created standard procedures for training and accreditation for a safe practice in these procedures. DISCUSSION: In Spain, we are waiting for the development of the legislation on the accreditation for specialists which will establish the official formative model to achieve an accreditation in INR...
April 30, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/27127230/citation-classics-in-neurointerventional-research-a-bibliometric-analysis-of-the-100-most-cited-articles
#5
Eun Soo Kim, Dae Young Yoon, Hye Jeong Kim, Hong Jun Jeon, Jong Young Lee, Byung-Moon Cho, Kwanseop Lee
BACKGROUND AND PURPOSE: The number of citations that an article has received can be used to evaluate its impact on the scientific community. This study aimed to identify the 100 most cited articles in the field of neurointervention and to analyze their characteristics. MATERIALS AND METHODS: We selected the 669 journals that were considered potentially to publish neurointervention articles based on the database of Journal Citation Reports. Using the Web of Science citation search tool, we identified the 100 most cited articles relevant to neurointervention within the selected journals...
April 28, 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/26674212/a-successful-endovascular-treatment-of-an-ischemic-stroke-following-cardiac-surgery
#6
Maher A Al-Khawaldeh, Osama K Haddad, Ashraf O Alshabatat, Salil V Deo, Abeer Rababa'h, Salah E Altarabsheh
Ischemic stroke following cardiac surgery is one of the devastating complications that surgeons may encounter, and may lead to serious disabilities for the patient. The clinical course of such a complication may be prolonged if it is not treated properly. Making a quick decision when choosing a revascularization method is very helpful in this matter. Effective treatment options are usually limited. Neurointerventional maneuvers have recently emerged as a possible therapeutic modality in this field. We present the case of a 52-year-old woman who had open heart surgery in Queen Alia Heart Institute, Jordan, to replace a severely stenotic rheumatic mitral valve and repair a leaking tricuspid valve...
November 2015: Oman Medical Journal
https://www.readbyqxmd.com/read/26556438/cervical-subtotal-en-bloc-spondylectomy-of-c6-mesenchymal-chondrosarcoma
#7
Chang-Hwa Lee, Woo-Kie Min
INTRODUCTION: We present a case of C6 mesenchymal chondrosarcoma and discuss safe posterior to anterior approach subtotal en-bloc spondylectomy. MATERIALS AND METHODS: A 29-year-old male consulted for our department with severe posterior neck pain doing exercise. CT scan demonstrated a primary osteolytic lesion on C6 left transverse foramen and MRI demonstrated the tumor involved C6 vertebra from layers B, C and F sectors 4-6 encasing left vertebral artery. Preoperatively neurointerventional radiology service occluded the left vertebral artery and tumor feeding artery using coil embolization...
July 2016: European Spine Journal
https://www.readbyqxmd.com/read/26542238/radiation-doses-in-patient-eye-lenses-during-interventional-neuroradiology-procedures
#8
R M Sánchez, E Vañó, J M Fernández, S Rosati, L López-Ibor
BACKGROUND AND PURPOSE: Eye lenses are among the most sensitive organs to x-ray radiation and may be considered at risk during neurointerventional radiology procedures. The threshold dose to produce eye lens opacities has been recently reduced to 500 mGy by the International Commission on Radiologic Protection. In this article, the authors investigated the radiation doses delivered to patients' eyes during interventional neuroradiology procedures at a university hospital. MATERIALS AND METHODS: Small optically stimulated luminescence dosimeters were located over patients' eyes during 5 diagnostic and 31 therapeutic procedures performed in a biplane x-ray system...
March 2016: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/26452122/face-content-and-construct-validity-of-human-placenta-as-a-haptic-training-tool-in-neurointerventional-surgery
#9
Marcelo Magaldi Ribeiro de Oliveira, Arthur Nicolato, Marcilea Santos, Joao Victor Godinho, Rafael Brito, Alexandre Alvarenga, Ana Luiza Valle Martins, André Prosdocimi, Felipe Padovani Trivelato, Abdulrahman J Sabbagh, Augusto Barbosa Reis, Rolando Del Maestro
OBJECT The development of neurointerventional treatments of central nervous system disorders has resulted in the need for adequate training environments for novice interventionalists. Virtual simulators offer anatomical definition but lack adequate tactile feedback. Animal models, which provide more lifelike training, require an appropriate infrastructure base. The authors describe a training model for neurointerventional procedures using the human placenta (HP), which affords haptic training with significantly fewer resource requirements, and discuss its validation...
May 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/26372000/quality-improvement-guidelines-for-adult-diagnostic-cervicocerebral-angiography-update-cooperative-study-between-the-society-of-interventional-radiology-sir-american-society-of-neuroradiology-asnr-and-society-of-neurointerventional-surgery-snis
#10
Joan C Wojak, Todd A Abruzzo, Jacqueline A Bello, Kristine Ann Blackham, Joshua A Hirsch, Mahesh V Jayaraman, Sean R Dariushnia, Philip M Meyers, Mehran Midia, Eric J Russell, T Gregory Walker, Boris Nikolic
No abstract text is available yet for this article.
November 2015: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/26163052/relative-roles-of-radiologists-and-other-physicians-in-percutaneous-endovascular-neurointerventions
#11
Mougnyan Cox, David C Levin, Laurence Parker, Vijay M Rao
PURPOSE: Cerebral catheter angiography and endovascular neurointerventions (ENIs) were developed and refined by early pioneers in neuroradiology. Recently, with developments in the safety and efficacy of ENIs, other physician specialists have expressed strong interest in performing these procedures. Our purpose was to compare volume and utilization of ENIs, among the various specialties, from 2000 to 2013. METHODS: Data from the Medicare Part B Physician/Supplier Procedure Summary Master Files for 2000 to 2013 were used to study ENI volume and utilization rates, by radiologists, neurosurgeons, neurologists, vascular surgeons, cardiologists, and other physicians...
October 2015: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/26142141/practice-parameter-for-interventional-clinical-practice-and-management
#12
(no author information available yet)
No abstract text is available yet for this article.
August 2015: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/26078360/the-value-of-protective-head-cap-and-glasses-in-neurointerventional-radiology
#13
Marta Sans Merce, Amine M Korchi, Lisa Kobzeva, Jérôme Damet, Gorislav Erceg, Ana Marcos Gonzalez, Karl-Olof Lovblad, Vitor Mendes Pereira
BACKGROUND: Protection of the head and eyes of the neurointerventional radiologist is a growing concern, especially after recent reports on the incidence of brain cancer among these personnel, and the revision of dose limits to the eye lens. The goal of this study was to determine typical occupational dose levels and to evaluate the efficiency of non-routine radiation protective gear (protective eyewear and cap). Experimental correlations between the dosimetric records of each measurement point and kerma area product (KAP), and between whole body doses and eye lens doses were investigated...
July 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/26038618/clinical-presentation-imaging-and-management-of-complications-due-to-neurointerventional-procedures
#14
REVIEW
Matthew C Davis, John P Deveikis, Mark R Harrigan
Neurointervention is a rapidly evolving and complex field practiced by clinicians with backgrounds ranging from neurosurgery to radiology, neurology, cardiology, and vascular surgery. New devices, techniques, and clinical applications create exciting opportunities for impacting patient care, but also carry the potential for new iatrogenic injuries. Every step of every neurointerventional procedure carries risk, and a thorough appreciation of potential complications is fundamental to maximizing safety. This article presents the most frequent and dangerous iatrogenic injuries, their presentation, identification, prevention, and management...
June 2015: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/25762004/pathogenesis-clinical-course-and-neuro-radiological-signs-of-proprionibacterium-acnes-cerebritis-case-report-and-literature-review
#15
REVIEW
Aleksandra Yakhkind, Hussam A Yacoub, Jacqueline Grove, Jay D Varrato, John E Castaldo
The clinical and neuroimaging characteristics of brain infections related to Propionibacterium acnes are not well-characterized, making early diagnosis and treatment a challenge. More recently, life-threatening central nervous system infections with P. acnes are being reported with increasing frequency as complications of neurointerventional procedures. We present a rare case of P. acnes cerebritis that occurred as a sequela of bare platinum aneurysm coiling and a contaminant of percutaneous angiographic intervention...
2015: Hospital Practice (Minneapolis)
https://www.readbyqxmd.com/read/25561584/an-overview-of-clinical-associate-roles-in-the-neurointerventional-specialty
#16
REVIEW
Melissa D Chittle, Teresa Vanderboom, Judith Borsody-Lotti, Suvranu Ganguli, Patricia Hanley, JoAnne Martino, Peter Mueller, Alexandra Penzias, Catherine Saltalamacchia, Robert M Sheridan, Joshua A Hirsch
Neurointerventionalists have long partnered with certain types of clinical associates to provide longitudinal care. This overview summarizes differences in education, background, roles, and scopes of practice of the various clinical associates (physician assistants, nurse practitioners, clinical nurse specialists, radiology practitioner assistants, radiologist assistants, and nursing care coordinators). Key differences and similarities are highlighted to alleviate confusion about the roles clinical associates can assume on a neurointerventional service...
March 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/25119254/the-three-dimensional-shape-analysis-of-the-m1-segment-of-the-middle-cerebral-artery-using-mra-at-3t
#17
Jintao Han, Huiting Qiao, Xuan Li, Xiaogang Li, Qingyuan He, Yu Wang, Ziman Cheng
INTRODUCTION: The M1 segment of the middle cerebral artery (MCA) is of great importance to neurosurgery and interventional radiology. The purpose of this study was to describe the M1 segment in three dimensions based on shape projection using magnetic resonance angiography (MRA). METHODS: A three-view method was established and used in the retrospective analysis of 717 M1 segments derived from 3D-TOF MRA images. In this method, the M1 segment was first projected on three orthogonal planes (axial, coronary, and sagittal plane); the courses of the projected vessels were classified as line-shape, C-shape, or S-shape on each orthogonal plane; and then the actual parameters, including internal diameter and so on, were measured on the projected images...
November 2014: Neuroradiology
https://www.readbyqxmd.com/read/25064936/e-021%C3%A2-de-novo-progressive-multiple-and-recurrent-intracranial-dural-arteriovenous-fistulas-characteristics-and-outcomes
#18
S Hetts, T Tsai, D Cooke, M Amans, J Narvid, C Dowd, R Higashida, V Halbach
PURPOSE: Although many intracranial dural arteriovenous fistulas (DAVFs) are straightforward to treat, de novo and rapidly progressive ("runaway" or "malignant") DAVFs are more complex, often requiring multiple treatment sessions with suboptimal results. As these are rare entities, we sought to review our experience in the treatment of de novo and progressive DAVFs in order to better understand predictors of disease progression. MATERIALS AND METHODS: Under an IRB-approved protocol, 29 patients with multiple, recurrent, de novo, or progressive DAVFs were identified from our hospital's neurointerventional radiology database of 578 patients treated for intracranial DAVFs between 1986 and 2012...
July 2014: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/25034389/endovascular-stroke-therapy
#19
REVIEW
Jonathan Birns, Sam Qureshi, Ruoling Chen, Ajay Bhalla
BACKGROUND: Following the development of intravenous thrombolysis as a successful treatment for ischaemic stroke, advances in neurointerventional radiology have facilitated endovascular approaches to treatment. This article reviews the available endovascular therapeutic options and their evidence-base. SUMMARY: Initial studies demonstrated that endovascular treatment of ischaemic stroke with intra-arterial thrombolysis and/or the use of clot-retrieval, thrombus aspiration and stent-retriever devices produced early recanalisation and reperfusion and improved neurological outcome...
September 2014: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/24976085/wfitn-recommendations-for-certification-and-maintenance-of-competence-in-interventional-neuroradiology-therapeutic-neurointervention-endovascular-neurosurgery
#20
EDITORIAL
Luc Picard, Serge Bracard, Georges Rodesch
No abstract text is available yet for this article.
May 2014: Interventional Neuroradiology
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