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Interventional neuro radiology

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https://www.readbyqxmd.com/read/28880010/chronic-pancreatitis
#1
REVIEW
Jorg Kleeff, David C Whitcomb, Tooru Shimosegawa, Irene Esposito, Markus M Lerch, Thomas Gress, Julia Mayerle, Asbjørn Mohr Drewes, Vinciane Rebours, Fatih Akisik, J Enrique Domínguez Muñoz, John P Neoptolemos
Chronic pancreatitis is defined as a pathological fibro-inflammatory syndrome of the pancreas in individuals with genetic, environmental and/or other risk factors who develop persistent pathological responses to parenchymal injury or stress. Potential causes can include toxic factors (such as alcohol or smoking), metabolic abnormalities, idiopathic mechanisms, genetics, autoimmune responses and obstructive mechanisms. The pathophysiology of chronic pancreatitis is fairly complex and includes acinar cell injury, acinar stress responses, duct dysfunction, persistent or altered inflammation, and/or neuro-immune crosstalk, but these mechanisms are not completely understood...
September 7, 2017: Nature Reviews. Disease Primers
https://www.readbyqxmd.com/read/28756581/predelivery-uterine-arteries-embolization-in-patients-affected-by-placental-implant-anomalies
#2
Francesco Giurazza, Giuseppe Albano, Liliana Valentino, Emiliano Schena, Tiziana Capussela, Maria Antonella Di Pasquale, Francesco Di Pietto, Rosaria De Ritis, Gennaro Nasti, Giuseppe Scognamiglio, Raffaella Niola
PURPOSE: The aim of this study is to report on a single center experience of managing patients affected by placenta previa major and/or accretism by embolizing uterine arteries immediately before the cesarean delivery to reduce blood loss and secondary the rate of hysterectomies. MATERIALS AND METHODS: Sixty-nine patients have been prospectively enrolled. Inclusion criteria were radiological diagnosis of placenta anomalies and risk factors for peri/postpartum hemorrhage...
July 29, 2017: La Radiologia Medica
https://www.readbyqxmd.com/read/28256398/influence-of-exposure-and-geometric-parameters-on-absorbed-doses-associated-with-common-neuro-interventional-procedures
#3
Mohammad Javad Safari, Jeannie Hsiu Ding Wong, Wei Loong Jong, Nathan Thorpe, Dean Cutajar, Anatoly Rosenfeld, Kwan Hoong Ng
PURPOSE: The purpose of this study was to investigate the effects of routine exposure parameters on patient's dose during neuro-interventional radiology procedures. METHODS: We scrutinized the routine radiological exposure parameters during 58 clinical neuro-interventional procedures such as, exposure direction, magnification, frame rate, and distance between image receptor to patient's body and evaluate their effects on patient's dose using an anthropomorphic phantom...
March 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28197046/outcome-of-noncardiac-surgical-patients-admitted-to-a-multidisciplinary-intensive-care-unit
#4
Pradeep Kumar, M K Renuka, M S Kalaiselvan, A S Arunkumar
CONTEXT: Surgical procedures carry significant morbidity and mortality depending on the type of surgery and patients. There is a dearth of evidence from India on the outcome of surgical patients admitted to an Intensive Care Unit (ICU). AIMS: We aimed to describe the incidence and risk factors of postoperative complications and mortality in noncardiac surgical patients admitted to the ICU. SETTINGS AND DESIGN: This was a prospective observational study on all perioperative patients admitted to a multidisciplinary ICU for 18 months...
January 2017: Indian Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28062801/wire-escalation-in-emergent-revascularization-procedures-of-internal-carotid-artery-occlusions-the-use-of-high-tip-stiffness-microguidewires
#5
José E Cohen, Ronen R Leker, John M Gomori, Eyal Itshayek
OBJECTIVE: We examined the usefulness and safety of high tip stiffness cardiac microguidewires in the endovascular revascularization of selected cases of internal carotid artery (ICA) occlusion. METHODS: Files of patients with acute ischemic symptoms due to ICA occlusions managed from August 2010 to August 2016 by urgent endovascular revascularization were retrospectively reviewed with a waiver of informed consent. Cases where there was escalation to stiff tipped cardiovascular microguidewires after at least two failed attempts to cross the carotid occlusion with standard neuro-microguidewires were included...
January 6, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28048545/we-de-207a-04-advances-in-radiological-neuro-endovascular-interventional-imaging
#6
S Rudin
1. Parallels in the evolution of x-ray angiographic systems and devices used for minimally invasive endovascular therapy Charles Strother - DSA, invented by Dr. Charles Mistretta at UW-Madison, was the technology which enabled the development of minimally invasive endovascular procedures. As DSA became widely available and the potential benefits for accessing the cerebral vasculature from an endovascular approach began to be apparent, industry began efforts to develop tools for use in these procedures. Along with development of catheters, embolic materials, pushable coils and the GDC coils there was simultaneous development and improvement of 2D DSA image quality and the introduction of 3D DSA...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27855233/a-macroprolactinoma-becoming-resistant-to-cabergoline-and-developing-atypical-pathology
#7
Emilia Sbardella, George Farah, Ahmed Fathelrahman, Simon Cudlip, Olaf Ansorge, Niki Karavitaki, Ashley B Grossman
Pituitary adenomas are a common intracranial neoplasm, usually demonstrating a benign phenotype. They can be classified according to pathological, radiological or clinical behaviour as typical, atypical or carcinomas, invasive or noninvasive, and aggressive or nonaggressive. Prolactinomas account for 40-60% of all pituitary adenomas, with dopamine agonists representing the first-line treatment and surgery/radiotherapy reserved for drug intolerance/resistance or in neuro-ophthalmological emergencies. We present the case of a 62-year-old man with an apparently indolent prolactin-secreting macroadenoma managed with partial resection and initially showing a biochemical response to cabergoline...
2016: Endocrinology, Diabetes & Metabolism Case Reports
https://www.readbyqxmd.com/read/27815339/should-future-interventional-neuroradiologists-be-screened-for-mutations-that-impair-radiation-induced-dna-repair
#8
Kieran Murphy, Adam Thakore, Marie Constance Lacasse, Danyal Z Khan
In our current medical practice, an increasing number of specialists now have access to radiology technical platforms in order to perform imaging-guided procedures. Although knowledge about the current guidelines and radiation protection devices is a pre-requisite for the use of radiation, the preventive measures are often more or less strictly followed, leading to chronic daily exposure to significant doses of radiation and large accumulated lifetime exposures. Aortic intervention, electrophysiology, and neuro intervention in particular can result in large doses to the operators...
February 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27439226/fresh-approach-for-critically-ill-patients-with-time-sensitive-needs
#9
(no author information available yet)
To meet the needs of critically ill patients with time-sensitive needs, the University of Maryland Medical Center (UMMC) created the Critical Care Resuscitation Unit (CCRU), a six-bed, short-stay ICU designed to accelerate care to resource-heavy patients who require immediate evaluation and treatment. The CCRU is modeled after UMMC's trauma resuscitation unit, but with resources and staff geared toward non-trauma, critically ill patients, many of whom require life-saving care. The unit is largely staffed by emergency providers who have undergone additional training in critical care...
July 2016: ED Management: the Monthly Update on Emergency Department Management
https://www.readbyqxmd.com/read/27378212/radiotherapy-for-diffuse-brainstem-glioma-in-children-and-young-adults
#10
REVIEW
Xin Hu, Yuan Fang, Xuhui Hui, Yan Jv, Chao You
BACKGROUND: Diffuse brainstem glioma is a devastating disease with very poor prognosis. The most commonly used radiological treatment is conventional fractionated radiation. So far, there is no meta-analysis or systematic review available that assesses the benefits or harms of radiation in people with diffuse brainstem glioma. OBJECTIVES: To assess the effects of conventional fractionated radiotherapy (with or without chemotherapy) versus other therapies (including different radiotherapy techniques) for newly diagnosed diffuse brainstem gliomas in children and young adults aged 0 to 21 years...
2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27058204/effect-of-early-mobilization-and-rehabilitation-on-complications-in-aneurysmal-subarachnoid-hemorrhage
#11
Tanja Karic, Cecilie Røe, Tonje Haug Nordenmark, Frank Becker, Wilhelm Sorteberg, Angelika Sorteberg
OBJECTIVE Early rehabilitation is effective in an array of acute neurological disorders but it is not established as part of treatment guidelines after aneurysmal subarachnoid hemorrhage (aSAH). This may in part be due to the fear of aggravating the development of cerebral vasospasm, which is the most feared complication of aSAH. The aim of this study was to evaluate the effect of early rehabilitation and mobilization on complications during the acute phase and within 90 days after aSAH. METHODS This was a prospective, interventional study that included patients with aSAH at the neuro-intermediate ward after aneurysm repair...
February 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/26778444/giant-bilateral-cavernous-carotid-aneurysms-complicated-by-epistaxis
#12
P-L Sadigh, A Clifton, A Toma
INTRODUCTION: Epistaxis secondary to a ruptured cavernous-carotid aneurysm that has eroded into the sphenoid sinus is a life-threatening condition. When it is unilateral, balloon or coil embolization of the parent vessel should be considered. When bilateral, coiling the aneurysm to gain hemostasis followed by stent insertion after anticoagulation has been shown to be successful in achieving stabilization of the aneurysm wall whilst maintaining flow through the artery. CASE REPORT: We present a case of epistaxis secondary to giant bilateral cavernous-carotid aneurysm...
April 2016: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/26557178/neonatal-brain-abscess-an-atypical-presentation
#13
Rupesh Masand, Ahmad Ali, Alok Purohit
Brain abscesses occur as an uncommon complication of bacterial meningitis in the neonatal period. A 34 weeks preterm at-risk neonate presented with abnormal breathing pattern and inability to maintain the oxygen saturation in room air. Magnetic resonance imaging (MRI) study revealed intra-parenchymal brain abscesses in the left basal ganglion and bilateral fronto-parietal regions. Intravenous piperacillin - tazobactam was commenced and continued for 6 weeks in Neonatal Intensive Care Unit. No surgical intervention was required...
July 2015: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/26523261/stent-assisted-coil-embolization-of-petrous-ica-in-a-teenager-with-neurofibromatosis
#14
Sang Hyuk Lee, Ji Hwan Jang, Kyu Hong Kim, Young Zoon Kim
We herein report on a patient with a cerebral aneurysm located at the petrous portion of the internal carotid artery (ICA). An 18-year-old male, previously diagnosed with neurofibromatosis, was referred to our emergency service complaining of severe headache, pulsatile tinnitus, nausea, and vomiting which occurred suddenly. Neuro-radiological studies including computed tomography and magnetic resonance imaging of the cerebral artery showed a large aneurysm arising from the petrous segment of the left ICA. He was treated with a neuro-interventional technique such as intra-arterial stenting and coil embolization for the aneurysm...
September 2015: Journal of Cerebrovascular and Endovascular Neurosurgery
https://www.readbyqxmd.com/read/26261155/considerations-when-communicating-with-awake-patients-undergoing-image-guided-neuro-interventions
#15
Altin Stafa, Luigi Simonetti, Francesco Di Paola, Marco Leonardi
The authors empirically evaluated the context of intra-procedural physician-patient communication during imaging-guided procedures in a radiology/neuroradiology interventional clinical framework. Different intra-procedural communicative scenarios are reported.They conclude that the quality of intra-procedural physician-patient communication should be considered an important element of individual and team ethical and professional behaviour, able to strongly influence the therapeutic alliance. As for the whole medical communication strategy, an approach which takes into account the psychological and cultural background of the individual patient is preferred...
October 2015: Interventional Neuroradiology
https://www.readbyqxmd.com/read/25802463/benefits-of-an-automatic-patient-dose-registry-system-for-interventional-radiology-and-cardiology-at-five-hospitals-of-the-madrid-area
#16
MULTICENTER STUDY
J M Fernandez-Soto, J I Ten, R M Sanchez, M España, X Pifarre, E Vano
The purpose of this article is to present the results of connecting the interventional radiology and cardiology laboratories of five university hospitals to a unique server using an automatic patient dose registry system (Dose On Line for Interventional Radiology, DOLIR) developed in-house, and to evaluate its feasibility more than a year after its introduction. The system receives and stores demographic and dosimetric parameters included in the MPPS DICOM objects sent by the modalities to a database. A web service provides a graphical interface to analyse the information received...
July 2015: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/25762004/pathogenesis-clinical-course-and-neuro-radiological-signs-of-proprionibacterium-acnes-cerebritis-case-report-and-literature-review
#17
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/25484428/radiation-induced-temporary-alopecia-after-embolization-of-cerebral-aneurysm
#18
Shyam Verma, Cr Srinivas, Maria Thomas
A 47-year-old Indian woman with dark hair developed dramatic alopecia of the occipito-vertical area two weeks after a fluoroscopically-guided endovascular procedure for treatment of cerebral aneurysm. There was spontaneous repopulation of hair in 14 weeks. Neuro-radiological intervention procedures are becoming commoner by the day in India, and the rare but documented possibility of such reactions occurring in patients should be kept in mind by the treating surgeon as well as dermatologist. Necessary counseling regarding this uncommon side-effect is of essence, especially when the radiation dose exceeds 3 Gy...
November 2014: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/25385253/admission-privileges-and-clinical-responsibilities-for-interventional-radiologists
#19
REVIEW
Aghiad Al-Kutoubi
Although clinical involvement by interventional radiologists in the care of their patients was advocated at the inception of the specialty, the change into the clinical paradigm has been slow and patchy for reasons related to pattern of practice, financial remuneration or absence of training. The case for the value of clinical responsibilities has been made in a number of publications and the consequences of not doing so have been manifest in the erosion of the role of the interventional radiologists particularly in the fields of peripheral vascular and neuro intervention...
April 2015: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/25178625/radiologic-evaluation-of-hyperacute-brain-infarction-a-review
#20
REVIEW
M N Islam, R Kuddus, N S Chowdhury, M D Akhter, G Salahuddin, S Parvin
Imaging cerebral infarction in first few hours after the onset of clinical symptoms is a challenge. The role of stroke imaging underwent a paradigm shift from confirmation of infarction from and exclusion of hemorrhage to the detection of the tissue at risk that may be rescued with restoration of circulation. Computed tomography (CT) is generally performed before starting the therapy in order to exclude the presence of bleeding and tumors. Although CT may show findings of infarction as early as 3-6 hours after ictus 30% of CT scans are normal in the first few hours after ischemic insult...
July 2014: Mymensingh Medical Journal: MMJ
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