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arterio-venous malformation

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https://www.readbyqxmd.com/read/28484532/progression-in-size-of-an-arterio-venous-malformation
#1
Abhidha Shah, Neeraj Patni, Raghvendra Ramdasi, Atul Goel
We report a case of a young girl who was admitted with history of sudden onset left hemiplegia, when she was 5 years old. Investigations revealed no vascular malformation or abnormality. On conservative treatment, she progressively improved and had residual hemiparesis. She continued to have intermittent episodes of generalized and focal convulsions. For persistent convulsions, she was investigated again with MRI and angiography after 5 years of first presentation. Investigations at this time revealed a large arteriovenous malformation in the left posterior frontal region...
April 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28324193/hemodynamic-characterization-of-peripheral-arterio-venous-malformations
#2
Sabrina Frey, A Haine, R Kammer, H von Tengg-Kobligk, D Obrist, I Baumgartner
Peripheral arterio-venous malformations (pAVMs) are congenital vascular anomalies that require treatment, due to their severe clinical consequences. The complexity of lesions often leads to misdiagnosis and ill-planned treatments. To improve disease management, we developed a computational model to quantify the hemodynamic effects of key angioarchitectural features of pAVMs. Hemodynamic results were used to predict the transport of contrast agent (CA), which allowed us to compare our findings to digital subtraction angiography (DSA) recordings of patients...
June 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/28324183/multimodality-management-and-outcomes-of-brain-arterio-venous-malformations-avms-in-children-personal-experience-and-review-of-the-literature-with-specific-emphasis-on-age-at-first-avm-bleed
#3
REVIEW
Anan Shtaya, John Millar, Owen Sparrow
PURPOSE: The purpose of this paper is to study the presentation and analyse the results of multimodality treatment of brain arterio-venous malformations (AVMs) in children at our centre and review age at first AVM rupture in the literature. METHODS: Of 52 patients aged <18 years, 47 with brain AVMs (27 males and 20 females) aged 4-17 years (mean 12.2) were retrospectively reviewed. PubMed search revealed five additional studies including 267 patients where the prevalence of age-related AVMs rupture was analysed...
April 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28289622/massive-nasal-arterio-venous-malformation-avm-excision-and-reconstruction-with-expanded-forehead-flap-a-case-report
#4
Ghasem Ali Khorasani, Siamak Rakei, Hooman Riazi
Nasal arterio-venous malformations (AVM) are uncommon lesions. We present a rare case of huge, long standing AVM in the nasal area which was treated by angioembolization, followed by surgical excision and forehead flap reconstruction.
January 2017: World Journal of Plastic Surgery
https://www.readbyqxmd.com/read/28260780/pulmonary-arterio-venous-malformation-pavm-a-rare-case-report
#5
A H Mollah, M S Islam, N Ghafoor, S S Morshed, T K Kar, A L Kabir, N Tabassum
A 6-year-old boy from Comilla, was admitted in Dhaka Medical College Hospital with exertional dyspnea, central cyanosis, clubbing and was finally diagnosed as pulmonary Arterio-Venous Malformation (PAVM) by bubble contrast echocardiography, and pulmonary CT angiography. As PAVM is rare in children, it is often not thought of in differential diagnoses and the diagnosis remains in disguise. In this report, we described the clinical presentation of 6-year-old child with PAVM and also how to investigate the case to get the diagnosis...
January 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28208940/neurological-disorders-complicating-pregnancy-focus-on-obstetric-outcome
#6
Sandya Renukesh, Lavanya Rai
INTRODUCTION: Neurological disorders in pregnancy can be pregnancy related or can be caused by exacerbation of a pre-existing neurological condition or sometimes may even be detected for the first time during pregnancy in which it might be an incidental finding. The diagnosis and management of the neurological disorders in pregnancy is always a challenging task due to varied symptomatology and risks to the fetus. The evaluation and management should be performed in a stepwise fashion and requires multidisciplinary approach...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28194506/treatment-of-type-ii-endoleaks-with-a-novel-agent-precipitating-hydrophobic-injectable-liquid-phil
#7
Amir Helmy, Nadeem Shaida
OBJECTIVE: Endovascular aortic aneurysm repair has become the principle technique used to treat abdominal aortic aneurysms. However, its long-term success is limited by complications, including type II endoleaks from lumbar arteries and the inferior mesenteric artery. Treatment of these endoleaks can be difficult. The most commonly performed procedure is embolisation via mesenteric or iliolumbar vessels. Embolic agents currently used include coils, glue and Onyx, all of which have their limitations...
July 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28116528/cerebral-abscess-after-neuro-vascular-embolization-own-experience-and-review-of-the-literature
#8
G Cossu, R T Daniel, M Messerer
BACKGROUND: Cerebral abscesses are a rare complication after therapeutic neuro-endovascular procedures. METHOD: The aim of this article is to report a case of cerebral abscess after the endovascular embolization of a cerebral aneurysm and to discuss and review all the cases of cerebral abscess secondary to neurovascular embolization described in the literature up to now. RESULTS: A 40-year-old female patient was treated using an endovascular embolization for a ruptured aneurysm of the basilar artery tip...
March 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28115008/hereditary-hemorrhagic-telangiectasia-liver-disease-and-elevated-serum-testosterone-osler-weber-rendu-syndrome-a-case-report
#9
R Dissanayake, K P K Y M D S Wickramarathne, S N Seneviratne, S N Perera, M U J Fernando, V P Wickramasinghe
BACKGROUND: A Sri Lankan girl with hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu syndrome) is described. CASE PRESENTATION: She presented with recurrent spontaneous epistaxis, pulmonary arterio venous malformation and oral telangiectasia. A diagnosis of Hereditary hemorrhagic telangiectasia (Osler-Weber-Rendu syndrome) was made based on the presence of three Curacao criteria (out of four). Evaluations of her jaundice revealed chronic parenchymal liver disease with multiple nodules in the liver with early portal hypertension...
January 23, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28069785/postoperative-mycoplasma-hominis-brain-abscess-keep-it-in-mind
#10
Sarah Maria Bergin, Shehara M Mendis, Barnaby Young, Ezlyn Binti Izharuddin
A temporal lobe abscess was diagnosed in a 57-year-old man. A urethral catheter had been inserted 12 days earlier, just prior to clot evacuation of a subacute haematoma secondary to an arterio-venous malformation. Fever persisted despite debridement and treatment with meropenem and vancomycin. Gram stains of operative samples showed no bacteria. Extended cultures grew pinpoint colonies after 5 days. Meanwhile, sequencing of bacterial 16S rDNA from operative specimens had identified Mycoplasma hominis; the bacterial colonies were subsequently similarly identified...
January 9, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/27864873/hereditary-haemorrhagic-telangiectasia-to-transplant-or-not-to-transplant-is-there-a-right-time-for-liver-transplantation
#11
Yannick D Muller, Roland Oppliger, Romain Breguet, Philippe Meyer, Laura Rubbia-Brandt, Pierre-Auguste Petignat, Thomas Harr, Eric Dayer, Jörg D Seebach
BACKGROUND & AIMS: Hereditary haemorrhagic telangiectasia is characterized by arterio-venous malformations (AVM). It frequently involves the liver without clinical symptoms, but may lead to biliary ischaemia, portal hypertension, or fatal high-output heart failure. The indication of liver transplantation is controversial. METHODS: Herein, we report the case of a 65-year-old female patient with a 'double Osler syndrome' consisting of hereditary haemorrhagic telangiectasia (HHT) and type I hereditary angioedema diagnosed at the age of 25 and 22 years respectively...
December 2016: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/27797413/selective-arterial-spin-labeling-in-conjunction-with-phase-contrast-acquisition-for-the-simultaneous-visualization-of-morphology-flow-direction-and-velocity-of-individual-arteries-in-the-cerebrovascular-system
#12
Thomas Lindner, Naomi Larsen, Olav Jansen, Michael Helle
PURPOSE: In various cerebrovascular diseases the visualization of individual arteries and knowledge about their hemodynamic properties, like flow velocity and direction, can become important for an accurate diagnosis. Magnetic resonance angiography methods are intended to acquire this information, but often a single acquisition is not sufficient to retrieve all of this desired information. METHODS: Using selective arterial spin labeling (ASL) methods, a single artery of interest can be tagged and visualized, whereas quantitative information about hemodynamics can be retrieved using phase-contrast techniques that are often limited regarding their selectivity...
October 31, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27766428/multiple-cerebral-arterio-venous-malformations-impact-of-multiplicity-and-hemodynamics-on-treatment-strategies
#13
Klaus-Peter Stein, Isabel Wanke, Neriman Oezkan, Yuan Zhu, I Erol Sandalcioglu, Michael Forsting, Ulrich Sure
BACKGROUND: Multiple AVMs are exceptionally rare lesions and only a few larger series have been published, including other vascular pathologies, such as arterio-venous fistulae (AVF) or patients with hereditary syndromes. Our study presents clinical, angiographic, and therapeutic characteristics of patients harboring sporadic multiple AVMs. METHODS: Basic demographic data, vascular architecture, clinical presentation, treatment strategies, and treatment outcome were analyzed retrospectively from patients with cerebral AVMs treated in our department between 1990 and 2015...
December 2016: Acta Neurochirurgica
https://www.readbyqxmd.com/read/27757211/an-unusual-presentation-of-spinal-dural-arteriovenous-fistula-a-case-report
#14
Payam Saadat, Marzie Adabi
BACKGROUND: Spinal dural AVF is the most common type of spinal vascular malformation. However, presenting symptoms differ according to site of spinal involvement. This study described a case of arteriovenous malformation with paraparesis and incontinence. CASE PRESENTATION: Diagnosis of patient was confirmed by clinical and imaging examination using magnetic resonance image and ruling out other possibilities. RESULT: A definitive diagnosis of arterio venous fistula was confirmed by clinical and MRI examination and demonstrated abnormalities compatible with dural arteriovenous fistula...
2016: Caspian Journal of Internal Medicine
https://www.readbyqxmd.com/read/27734988/arterio-venous-malformation-of-the-mandible-case-report-and-review-of-literature
#15
R Spreafico, L Sordo, R Bellotto, M Schipano, A Rescaldani, F Parmigiani
Arteriovenous malformation (AVM) of the head and neck is a rare and potentially life threatening entity due to massive haemorrhage. There are several indications for treatment, including age of the patient and location, extent and type of vascular malformation. Endovascular therapy can effectively cure most lesions with limited tissue involvement. Surgery can be used in selected cases in combination with embolization. Here we report the case of a young woman affected by a massive AVM on the left side of the mandible and submandibular region, and also review the literature on AVM with special attention to treatment strategies...
August 2016: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/27730784/dural-arterio-venous-malformation
#16
P Gupta, S Patel, A Rohatgi, M Chugh
No abstract text is available yet for this article.
February 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27671884/development-of-de-novo-arteriovenous-malformation-following-ischemic-stroke-case-report-and-review-of-current-literature
#17
Aqueel H Pabaney, Richard A Rammo, Rizwan A Tahir, Donald Seyfried
BACKGROUND: Arteriovenous malformations (AVMs) are hypothesized to be static, congenital lesions developing as early as 4 weeks of fetal life. New literature has shown that AVMs may represent dynamic and reactive vascular lesions arising from cerebral infarction, inflammation, or trauma. A literature search reveals 17 previously reported cases of new AVM formation after previous negative imaging studies. This reactive development or "second hit" theory suggests that at a molecular level, growth factors may play a vital role in aberrant angiogenesis and maturation of an arteriovenous fistula into an AVM...
December 2016: World Neurosurgery
https://www.readbyqxmd.com/read/27637641/multimodal-flow-assisted-resection-of-brain-avms
#18
Alessandro Della Puppa, Renato Scienza
OBJECT: The authors report their personal experience with brain arterio-venous malformations (bAVMs) surgery with a multimodal flow-assisted approach. METHODS: Data from patients who consecutively underwent bAVM resection with the assistance of indocyanine green video-angiography (ICG-VA), micro-flow probe flowmetry, and temporary arterial clipping test under intra-operative monitoring, were retrospectively analyzed. RESULTS: Twenty seven patients were enrolled in the study...
2016: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/27631206/hyperbaric-oxygen-therapy-for-postoperative-spinal-dural-arterio-venous-fistula-patients-an-observational-cohort-study
#19
MULTICENTER STUDY
Sichang Chen, Yongjie Ma, Peipeng Liang, Xiaohui Wang, Chao Peng, Lisong Bian, Jiang Liu, Jianzhang Ding, Hongqi Zhang, Feng Ling
Spinal dural arterio-venous fistula (SDAVF) is a common type of spinal vascular malformation. Surgical obliteration of the fistula can cure SDAVF anatomically, but the functional outcome is unsatisfactory.The aim of the study was to evaluate the effect of hyperbaric oxygen therapy (HBOT) on the functional recovery of postoperative SDAVF patients.This prospective cohort study included postoperative SDAVF patients. Patients were divided into control and HBOT groups. Patients in control group received conventional treatment, whereas those in the HBOT group received conventional treatment plus HBOT (2...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27607121/arterio-venous-malformations-of-the-nose-combined-approach-for-a-successful-strategy
#20
Daria Almesberger, Francesco Manna, Gianni Franco Guarneri, Andrea Marchesi, Pier Camillo Parodi
BACKGROUND AND PURPOSE: The purpose of the present study is to evaluate the vascular malformations of the head and neck. They are uncommon lesions, but some areas have a significant potential for fatality, due to their massive bleeding. The vascular anatomy of the nose carries a high recurrence rate, due to the unique characteristic of the nose, especially if deep vascular connection is present. METHODS: The present article describes 2 patients of nasal dorsum arteriovenous malformations, both using a combined procedure: preoperative selective embolization, en-bloc tumor resection, and reconstruction with a forehead flap...
September 2016: Journal of Craniofacial Surgery
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