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https://www.readbyqxmd.com/read/28439193/hysteroscopic-management-of-uterine-arteriovenous-malformation
#1
Stefano Calzolari, Mauro Cozzolino, Eleonora Castellacci, Valeria Dubini, Alfonso Farruggia, Giovanni Sisti
BACKGROUND AND OBJECTIVES: Uterine arteriovenous malformation (AVM) is characterized by shunts between the myometrial arteries and veins. Treatment is based on the severity of uterine bleeding and ranges from conservative medical approaches to embolization of affected arteries. The aim of study was to evaluate the feasibility and safety of hysteroscopy for management of uterine AVM. METHODS: This was a retrospective study of a cohort of 11 cases occurring between March 2012 and December 2015 in our Regional Center of Excellence in Hysteroscopy, University of Florence...
April 2017: JSLS: Journal of the Society of Laparoendoscopic Surgeons
https://www.readbyqxmd.com/read/28431043/male-gender-associated-with-post-treatment-seizure-risk-of-pediatric-arteriovenous-malformation-patients
#2
Wuyang Yang, Erick M Westbroek, Heather Anderson-Keightly, Justin M Caplan, Xiaoming Rong, Alice L Hung, Maria Braileanu, Joanna Y Wang, Geoffrey P Colby, Alexander L Coon, Rafael J Tamargo, Edward S Ahn, Judy Huang
BACKGROUND: Seizure risk has not been fully characterized in pediatric patients with arteriovenous malformations (AVMs). OBJECTIVE: To describe the progression and risk factors of post-treatment seizure in children with AVMs. METHODS: We retrospectively reviewed pediatric patients diagnosed with intracranial AVMs at our institution between 1990 and 2013. Clinical and angiographic variables were included in univariate and multivariate Cox proportional hazard models to explore risk factors associated with time-related seizure outcomes...
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28427974/factors-predicting-spontaneous-thrombosis-of-aggressive-cranial-dural-arteriovenous-fistulas
#3
Santhosh Kumar Kannath, Jayadevan Enakshy Rajan, Amirtendu Mukherjee, Sankara Sarma P
BACKGROUND: Dural arteriovenous fistula (DAVF) with cortical venous drainage (CVD) are known to be aggressive in clinical course and are usually managed promptly. Spontaneous resolution of DAVF is a rare phenomenon and usually occurs in benign type of fistulas. Spontaneous thrombosis of aggressive DAVF is an extremely rare occurrence. The present study aims to identify the incidence and factors determining spontaneous resolution of aggressive DAVF. METHODS: All the patients presenting to our institution with suspected DAVF during the study period (July 2013 - December 2015) were prospectively enrolled into a database...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28427848/early-outcomes-and-periprocedural-complications-of-transarterial-embolization-of-brain-arteriovenous-malformations-with-onyx-%C3%A2
#4
Wojciech Poncyljusz, Marcin Sawicki, Katarzyna Lubkowska, Monika Rać
BACKGROUND: Brain arteriovenous malformation (BAVM) is a rare pathology diagnosed mostly in young adults. However, due to its hemorrhagic complications, it constitutes an important clinical problem. Treatment modalities available include endovascular, surgery and radiosurgery. The aim of the study was to assess the efficacy and safety of endovascular treatment of BAVM with Onyx(®) by reporting one-center experience. MATERIAL AND METHODS: Between 2006 and 2013, 54 patients with BAVM were embolized with Onyx...
April 5, 2017: Neurologia i Neurochirurgia Polska
https://www.readbyqxmd.com/read/28426709/pdgfrb-is-a-direct-regulatory-target-of-tgf%C3%AE-signaling-in-atrioventricular-cushion-mesenchymal-cells
#5
Yin Peng, Shun Yan, Dongquan Chen, Xiangqin Cui, Kai Jiao
Cushion formation is the initial step for the development of valvuloseptal structures in mammalian hearts. TGFβ signaling plays critical roles in multiple steps of cushion morphogenesis. We used a newly developed conditional immortal atrioventricular cushion mesenchymal cell line, tsA58-AVM, to identify the TGFβ regulatory target genes through microarray analysis. Expression of ~1350 genes was significantly altered by TGFβ1 treatment. Subsequent bioinformatic analysis of TGFβ activated genes revealed that PDGF-BB signaling is the top hit as the potential upstream regulator...
2017: PloS One
https://www.readbyqxmd.com/read/28420371/effect-of-pulmonary-arteriovenous-malformations-on-the-mechanical-properties-of-the-lungs
#6
Cécile Rotenberg, Marcel Bonay, Mostafa El Hajjam, Sandra Blivet, Alain Beauchet, Pascal Lacombe, Thierry Chinet
BACKGROUND: Pulmonary arteriovenous malformations (PAVMs) are present in approximately 15-50% individuals with hereditary hemorrhagic telangiectasia (HHT). They may be isolated but more often are multiple. The goal of this study was to evaluate the influence of PAVMs on lung mechanical properties. METHODS: We reviewed the files of all adult patients (age ≥ 18 years) referred to our Center for evaluation of HHT between 2005 and 2013. The diagnosis of HHT was based on the Curacao criteria and/or the presence of a pathogenic mutation...
April 19, 2017: BMC Pulmonary Medicine
https://www.readbyqxmd.com/read/28419337/targeted-embolization-of-aneurysms-associated-with-brain-arteriovenous-malformations-at-high-risk-for-surgical-resection-a-case-control-study
#7
Matthew D Alexander, Daniel S Hippe, Daniel L Cooke, Danial K Hallam, Steven W Hetts, Helen Kim, Michael T Lawton, Laligam N Sekhar, Louis J Kim, Basavaraj V Ghodke
BACKGROUND: High-risk components of brain arteriovenous malformations (BAVMs) can be targeted to reduce the risk of lesion rupture. OBJECTIVE: To evaluate targeted embolization of aneurysms against other means of treatment with a case-control analysis; we previously investigated this approach associated with BAVMs. METHODS: Retrospective analysis of patients with BAVMs was performed, identifying patients treated with intention to occlude only an aneurysm associated with a BAVM...
April 13, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28414573/phosphatidylserine-translocation-after-radiosurgery-in-an-animal-model-of-arteriovenous-malformation
#8
Newsha Raoufi Rad, Lucinda S McRobb, Zhenjun Zhao, Vivienne S Lee, Nirav J Patel, Anas Sarwar Qureshi, Michael Grace, Joshua J McHattan, Jude V Amal Raj, Hong Duong, Saleh R Kashba, Marcus A Stoodley
Phosphatidylserine (PS) is asymmetrically distributed across the plasma membrane, located predominantly on the inner leaflet in healthy cells. Translocation of PS to the outer leaflet makes it available as a target for biological therapies. We examined PS translocation after radiosurgery in an animal model of brain arteriovenous malformation (AVM). An arteriovenous fistula was created by end-to-side anastomosis of the left external jugular vein to the common carotid artery in 6-week-old, male Sprague Dawley rats...
April 17, 2017: Radiation Research
https://www.readbyqxmd.com/read/28412265/one-stage-supramaximal-full-thickness-wedge-resection-of-vascular-lip-anomalies
#9
Dawn K De Castro, Zhi Yang Ng, Paul W Holzer, Milton Waner, Curtis L Cetrulo, Aaron Fay
PURPOSE: Vascular lip anomalies include infantile hemangiomas, venous malformations, and arteriovenous malformations. Surgical management can be complicated by alterations in horizontal length, vertical height, and lip thickness from the underlying pathology. Additional reconstructive challenges include preservation of oral continence, vermillion definition, and the sublabial sulcus. This report describes a technique of supramaximal single-stage full-thickness wedge resection of these lesions...
March 22, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28408632/4d-dsa-for-dynamic-visualization-of-cerebral-vasculature-a-single-center-experience-in-26-cases
#10
S Lang, P Gölitz, T Struffert, J Rösch, K Rössler, M Kowarschik, C Strother, A Doerfler
BACKGROUND AND PURPOSE: 4D DSA allows acquisition of time-resolved 3D reconstructions of cerebral vessels by using C-arm conebeam CT systems. The aim of our study was to evaluate this new method by qualitative and quantitative means. MATERIALS AND METHODS: 2D and 4D DSA datasets were acquired in patients presenting with AVMs, dural arteriovenous fistulas, and cerebral aneurysms. 4D DSA was compared with 2D DSA in a consensus reading of qualitative and quantitative parameters of AVMs (eg, location, feeder, associated aneurysms, nidus size, drainage, Martin-Spetzler Score), dural arteriovenous fistulas (eg, fistulous point, main feeder, diameter of the main feeder, drainage), and cerebral aneurysms (location, neck configuration, aneurysmal size)...
April 13, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28407366/screening-children-for-pulmonary-arteriovenous-malformations-evaluation-of-18-years-of-experience
#11
Anna E Hosman, Els M de Gussem, Walter A F Balemans, Andréanne Gauthier, Cees J J Westermann, Repke J Snijder, Marco C Post, Johannes J Mager
BACKGROUND: Hereditary Hemorrhagic Telangiectasia (HHT) is an autosomal dominant disease with multi-systemic vascular dysplasia. Early diagnosis through screening is important to prevent serious complications. How best to screen children of affected parents for pulmonary arteriovenous malformations (PAVMs) is often subject to debate. Transthoracic contrast echocardiogram (TTCE) is considered optimal in screening for PAVMs in adults. Guidelines for the screening of children are not specific, reflecting the lack of scientific evidence on the best method to use...
April 13, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28405554/arteriovenous-malformation-underlying-a-plexiform-neurofibroma-an-unusual-presentation
#12
Zaheer Abbas, Sepideh Khani, Javad Zare
Vascular abnormalities associated with neurofibromatosis type 1 are well described in the literature, however, arteriovenous malformation is a very rare finding in neurofibromatosis type 1. We report the case of an 11-year-old girl who presented with a soft mass on the right flank. Provisional diagnosis of plexiform neurofibroma was made on the basis of clinical and histological observations. Because the lesion was warm on palpation, imaging studies were performed to evaluate further and arteriovenous malformation was detected underlying the plexiform neurofibroma...
March 2017: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/28400997/congenital-uterine-arteriovenous-malformation-presenting-as-postcoital-bleeding-a-rare-presentation-of-a-rare-clinical-condition
#13
Neha Agarwal, Seema Chopra, Neelam Aggarwal, Ujjwal Gorsi
Congenital uterine arteriovenous malformation (AVM) is an extremely rare condition with <100 cases documented in literature. We report multiparous women presenting to us with a history of postcoital bleed. Initial Doppler ultrasonography was consistent with features suggestive of AVM. Subsequently, computed tomography (CT) angiography confirmed the diagnosis. Embolization was chosen as the treatment because of the large extension of AVM and the risk of hemorrhage during hysterectomy. The patient was discharged in a stable condition with a plan of repeat embolization in the next setting...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28389875/european-consensus-conference-on-unruptured-brain-avms-treatment-supported-by-eans-esmint-egks-and-sinch
#14
Marco Cenzato, Edoardo Boccardi, Ettore Beghi, Peter Vajkoczy, Istvan Szikora, Enrico Motti, Luca Regli, Andreas Raabe, Shalva Eliava, Andreas Gruber, Torstein R Meling, Mika Niemela, Alberto Pasqualin, Andrey Golanov, Bengt Karlsson, Andras Kemeny, Roman Liscak, Bodo Lippitz, Matthias Radatz, Alessandro La Camera, René Chapot, Civan Islak, Laurent Spelle, Alberto Debernardi, Elio Agostoni, Martina Revay, Michael K Morgan
In December of 2016, a Consensus Conference on unruptured AVM treatment, involving 24 members of the three European societies dealing with the treatment of cerebral AVMs (EANS, ESMINT, and EGKS) was held in Milan, Italy. The panel made the following statements and general recommendations: (1) Brain arteriovenous malformation (AVM) is a complex disease associated with potentially severe natural history; (2) The results of a randomized trial (ARUBA) cannot be applied equally for all unruptured brain arteriovenous malformation (uBAVM) and for all treatment modalities; (3) Considering the multiple treatment modalities available, patients with uBAVMs should be evaluated by an interdisciplinary neurovascular team consisting of neurosurgeons, neurointerventionalists, radiosurgeons, and neurologists experienced in the diagnosis and treatment of brain AVM; (4) Balancing the risk of hemorrhage and the associated restrictions of everyday activities related to untreated unruptured AVMs against the risk of treatment, there are sufficient indications to treat unruptured AVMs grade 1 and 2 (Spetzler-Martin); (5) There may be indications for treating patients with higher grades, based on a case-to-case consensus decision of the experienced team; (6) If treatment is indicated, the primary strategy should be defined by the multidisciplinary team prior to the beginning of the treatment and should aim at complete eradication of the uBAVM; (7) After having considered the pros and cons of a randomized trial vs...
April 7, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28378108/risk-factors-for-neurological-deficits-after-surgical-treatment-of-brain-arteriovenous-malformations-supplied-by-deep-perforating-arteries
#15
Yuming Jiao, Fuxin Lin, Jun Wu, Hao Li, Xin Chen, Zhicen Li, Ji Ma, Yong Cao, Shuo Wang, Jizong Zhao
The treatment of brain arteriovenous malformations supplied by deep perforating arteries (PA) (P-BAVM) remains challenging. The aims of this study were to determine the outcomes after surgical treatment in patients with P-BAVMs and to identify the risk factors associated with postoperative neurological deficits. We retrospectively reviewed the medical charts and imaging records of 228 consecutive patients with BAVMs who underwent microsurgical resection of their BAVMs at Beijing Tiantan Hospital between September 2012 and March 2016...
April 4, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28373797/refractory-lesional-parietal-lobe-epilepsy-clinical-electroencephalographic-and-neurodiagnostic-findings
#16
Oğuzhan Kurşun, Hülya Karataş, Neşe Dericioğlu, Serap Saygi
INTRODUCTION: Specialized centers, in the management and surgical treatment of medically refractory epilepsy, emphasize the importance of differentiating the varieties of localization related epilepsies. There has been considerable recent interest in temporal and frontal lobe epileptic syndromes and less attention has been paid to parietal and occipital lobe epilepsies. METHODS: Here we report the clinical, electroencephalographic and neuroimaging characteristics of 46 patients with medically refractory lesional parietal lobe epilepsy who have been followed up for 1-10 years...
September 2016: Noro Psikiyatri Arsivi
https://www.readbyqxmd.com/read/28362923/volume-staged-stereotactic-radiosurgery-for-intracranial-arteriovenous-malformations-outcomes-based-on-an-18-year-experience
#17
Bruce E Pollock, Michael J Link, Scott L Stafford, Giuseppe Lanzino, Yolanda I Garces, Robert L Foote
BACKGROUND: Radiation-based treatment options of large intracranial arteriovenous malformations (AVM) must balance the likelihood of obliteration with the risk of adverse radiation effects (ARE). OBJECTIVE: To analyze the efficacy and risks of volume-staged stereotactic radiosurgery (VS-SRS) for AVM. METHODS: Retrospective study of 34 AVM patients having VS-SRS between 1997 and 2012. A median of 2 stages (range, 2-4) was used to treat a median AVM volume of 22...
April 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28362235/a-supplementary-grading-scale-combining-lesion-to-eloquence-distance-for-predicting-surgical-outcomes-of-patients-with-brain-arteriovenous-malformations
#18
Yuming Jiao, Fuxin Lin, Jun Wu, Hao Li, Lijun Wang, Zhen Jin, Shuo Wang, Yong Cao
OBJECTIVE Case selection for the surgical treatment of brain arteriovenous malformations (BAVMs) remains challenging. This study aimed to construct a predictive grading system combining lesion-to-eloquence distance (LED) for selecting patients with BAVMs for surgery. METHODS Between September 2012 and September 2015, the authors retrospectively studied 201 consecutive patients with BAVMs. All patients had undergone preoperative functional MRI and diffusion tensor imaging (DTI), followed by resection. Both angioarchitectural factors and LED were analyzed with respect to the change between preoperative and final postoperative modified Rankin Scale (mRS) scores...
March 31, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28355735/-clinical-application-of-hybrid-surgery-for-the-treatment-of-cerebral-arteriovenous-malformations
#19
H X Wu, Rexiti Paerhati, G J Feng, X P Yang, P Zhao, Q L Liu, G Li, X G Li, D H Wang
Objective: To investigate the application of hybrid technique for the treatment of cerebral arteriovenous malformations (CAVMs) and to assess the value of hybrid technique. Methods: The cases of CAVMs treated in Qilu hospital and People's Hospital of Xinjiang Uygur Autonomous Region from July 2011 to July 2016 were analyzed retrospectively.Two modes of hybrid surgery, "angiographic diagnosis-craniotomy lesion resection or/and hematoma clearance-intraoperative angiography evaluation" and "angiographic diagnosis-intraoperative embolization-craniotomy lesion resection or/and hematoma clearance-intraoperative angiography evaluation" were applied for all the cases...
March 21, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28351522/dynamic-conformal-arc-radiosurgery-for-arteriovenous-malformations-outcome-and-influence-of-clinical-and-dosimetrical-data
#20
Karen Clement-Colmou, Vincent Roualdes, Stéphane-André Martin, Stephanie Josset, Hubert Desal, Loïc Campion, François Thillays
PURPOSE: To assess efficacy, toxicity, and their predictive factors for dynamic conformal arc arteriovenous malformations (AVM) stereotactic radiosurgery. METHOD: Data concerning 90 consecutive patients were retrospectively studied. Clinical, radiological, dosimetrical data and quality indexes were computed. RESULTS: AVM median volume was 1.06cc. Median prescribed dose was 22Gy. Total occlusion was obtained for 69% of patients. Post-radiosurgery annual hemorrhage rate was 2...
March 25, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
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