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https://www.readbyqxmd.com/read/29609843/interdisciplinary-treatment-algorithm-for-facial-high-flow-arteriovenous-malformations-and-review-of-the-literature
#1
Katinka Kansy, Jens Bodem, Michael Engel, Christian Freudlsperger, Markus A Möhlenbruch, Christian Herweh, Martin Bendszus, Jürgen Hoffmann, Steffen Kargus
INTRODUCTION: High-flow arteriovenous malformations (HF-AVMs) are congenital vascular malformations. Typical localizations include the face, oral cavity, and extremities. Due to the high recurrence rate of AVM after incomplete resection or embolization, a combination of both therapeutic modalities has become the preferred choice of treatment. Therefore, we have developed an interdisciplinary therapeutic treatment algorithm for facial HF-AVM and performed a systematic review of the literature...
March 9, 2018: Journal of Cranio-maxillo-facial Surgery
https://www.readbyqxmd.com/read/29495955/spontaneous-regression-of-parapharyngeal-arteriovenous-malformation
#2
Wen-Kai Tseng, I-Chang Su, Ming-Ting Chen, Jian-Jr Lee
Arteriovenous malformations (AVMs) are fast-flow vascular malformations that mostly occur in the head and neck region. They are typically progressive and their spontaneous regression is almost never seen. We present a case with pulsatile tinnitus and a parapharyngeal AVM. It resolved completely after diagnostic catheter-based angiography alone.
May 2018: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/29469668/review-of-de-novo-cerebral-arteriovenous-malformation-haemorrhage-risk-treatment-approaches-and-outcomes
#3
Xianli Lv, Guihuai Wang
Objective A small number of patients has been reported to develop a completely new or de novo arteriovenous malformation (AVM) after brain surgery, haemorrhage, head trauma or ischaemic stroke. The natural history of these lesions is unknown. In this review, both ruptured and unruptured de novo AVMs and their treatments were reviewed. Methods Published literature in the PubMed database citing 'de novo cerebral arteriovenous malformation' was reviewed. Additional studies were identified through reference searches in each reviewed article...
January 1, 2018: Neuroradiology Journal
https://www.readbyqxmd.com/read/29417264/polidocanol-sclerotherapy-combined-with-transarterial-embolization-using-n-butyl-cyanoacrylate-for-extracranial-arteriovenous-malformations
#4
Akira Kitagawa, Takahiro Yamamoto, Nozomu Matsunaga, Mayako Yamaji, Shuji Ikeda, Yuichiro Izumi, Makiyo Hagihara, Toyohiro Ota, Tsuneo Ishiguchi
PURPOSE: To assess the safety and effectiveness of polidocanol sclerotherapy combined with transarterial embolization using a liquid adhesive agent (n-butyl cyanoacrylate, NBCA) for treatment of extracranial arteriovenous malformations (AVMs). MATERIALS AND METHODS: Twenty-three patients with symptomatic AVMs in the head and neck (6), upper (7) and lower extremity (10) with a mean age of 42 years (range 4-74) treated with polidocanol sclerotherapy were retrospectively assessed...
February 7, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29382581/chitosan-based-nanoparticles-of-avermectin-to-control-pine-wood-nematodes
#5
Wenlong Liang, Aixin Yu, Guodong Wang, Feng Zheng, Jinliang Jia, Hanhong Xu
Pine wood nematode disease is a most devastating disease of pine trees. Avermectin (AVM) is a widely used bio-nematocide which can effectively to kill the pine wood nematode (PWN). However, its poor solubility in water and rapid photolysis are responsible for its poor bioavailability, which causes environmental pollution because of excessive applied rates. Here, a simple electrostatic interaction method was used to encapsulate AVM within nanoparticles composed of poly-γ-glutamic acid (γ-PGA) and chitosan (CS)...
June 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29248377/management-of-a-complex-intracranial-arteriovenous-malformation-with-gamma-knife-radiosurgery-a-case-report-with-review-of-literature
#6
Shyamal C Bir, Subhas K Konar, Devi P Patra, Tanmoy K Maiti, Alireza Minagar, Anil Nanda
The risks and benefits of arteriovenous malformation (AVM) treatment should be considered cautiously in each patient since management strategy of it depends on various factors including age of the patient, location and volume of AVM and presence of other vascular abnormalities. Current management options of AVM include observation, endovascular embolization, radiosurgery and microsurgical resection or in combination of any two of the above procedures. Here, we have discussed a case of intracranial AVM with radiation induced early cyst formation, and performed a literature review to determine the optimum treatment of complex intracranial AVM...
March 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29221921/ethanol-embolotherapy-for-the-management-of-refractory-chronic-skin-ulcers-caused-by-arteriovenous-malformations
#7
YunBo Jin, Xi Yang, Chen Hua, XiaoXi Lin, Hui Chen, Gang Ma, TianYou Wang, WenXin Yu
PURPOSE: To describe the clinical features and treatment outcomes of ethanol embolotherapy in refractory chronic skin ulcers caused by arteriovenous malformations (AVMs). MATERIALS AND METHODS: From October 2011 to October 2015, 12 patients (5 male; mean age, 26.2 y) with refractory chronic skin ulcers caused by AVMs were treated at a single institution. Ethanol embolotherapy was performed by direct puncture techniques. Needles were directly inserted toward the nidus of the lesion based on imaging analysis...
January 2018: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/29217062/arteriovenous-malformations-of-the-head-and-neck
#8
REVIEW
Tara L Rosenberg, James Y Suen, Gresham T Richter
Extracranial arteriovenous malformations (AVMs) are complex vascular malformations to diagnose and treat. They are comprised of congenitally derived arteriovenous shunts with chronic vascular expansion, collateralization, and infiltration of local tissue. Their cause remains unclear, but new genetic and molecular clues are emerging. They may present at any age following an early quiescent period. Diagnosis is based on vascular staining, soft tissue expansion, progressive growth, warmth, and pulsations. Focal lesions can be cured, whereas diffuse AVMs demonstrate highly recidivistic disease...
February 2018: Otolaryngologic Clinics of North America
https://www.readbyqxmd.com/read/29139152/giant-intracranial-arteriovenous-malformation-as-the-focus-of-epileptic-seizures
#9
Mio Takayama, Kenji Hara, Aya Matsusue, Brian Waters, Natsuki Ikematsu, Masayuki Kashiwagi, Shin-Ichi Kubo
A man in his late thirties was found in a supine position in the hallway of his house. He had been diagnosed with epilepsy at approximately 20 years old. Since stopping treatment, epileptic events occurred more frequently and his condition deteriorated in the past 2 years. Autopsy revealed that head injuries were found on the left side of his head. A fracture from the left parietal bone to the anterior cranial fossa was also detected. A subdural hemorrhage (hematoma) spanned a wide range. A subarachnoid hemorrhage was also identified in the left parietal region...
November 14, 2017: Neuropathology: Official Journal of the Japanese Society of Neuropathology
https://www.readbyqxmd.com/read/29042740/arteriovenous-malformation-of-face
#10
Ashok Kumar, Meenu Mittal, Dhirendra Srivastava, Vipul Jaetli, Sunil Chaudhary
Arteriovenous malformations (AVMs) are rare congenital vascular malformations accounting only 1.5% of all vascular anomalies with 50% occurrence in the oral and maxillofacial region. It usually results from birth defects of the vasculature. A literature search revealed only few case reports of AVMs in the facial region. Lack of meticulous diagnosis, scarcity of knowledge, and paucity of literature can result in their exsanguinations leading to fatal hemorrhagic incidents after various dental procedures such as tooth extraction, surgical intervention, puncture wound, or blunt injury in involved area...
July 2017: Contemporary Clinical Dentistry
https://www.readbyqxmd.com/read/28969199/an-unusual-case-of-giant-arterio-venous-malformation-of-anterior-abdominal-wall
#11
P S Aravinda, Hirdaya Hulas Nag, Vithal Kumar M Betigeri, Puja Sakhuja, Ashok Sharma
Arterio-Venous Malformations (AVMs) are high flow vascular anomalies, commonly seen in head, neck and extremities. AVMs represent a direct connection between the arterial and the venous systems. They are congenital, often asymptomatic and rarely manifest before adolescence. Depending on the site, size and symptoms, treatment options varies from conservative management to surgical resection. Here, we report a case of 20-year-old male patient with long standing lump in the anterior abdominal wall with no typical clinical features of vascular lesions...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28931254/cavernomas-and-arteriovenous-malformations-in-the-mesial-temporal-region-microsurgical-anatomy-and-approaches
#12
Alvaro Campero, Pablo Ajler, Carlos Rica, Albert Rhoton
BACKGROUND: The mesial temporal region (MTR) is located deep in the temporal lobe and it is surrounded by important vascular and nervous structures that should be preserved during surgery. OBJECTIVE: To describe microsurgical anatomy and approaches to the MTR in relation to cavernomas and arteriovenous malformations (AVMs). METHODS: Five formalin-fixed and red silicone-embedded heads of adult cadavers were used for this study. Between January 2003 and June 2014, 7 patients with cavernomas and 6 patients with AVMs in the MTR underwent surgery...
February 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28890056/giant-chest-wall-arteriovenous-malformation-a-case-report-and-literature-review
#13
Cullen McCarthy, Subrato Deb, Suhair Maqusi, Joshua Gierman
INTRODUCTION: We present an interesting case of a 55 year-old male with a large left chest mass after significant cutaneous bleeding. CT angiogram of the chest revealed arteriovenous malformation with blood supply from subbranches of the left subclavian artery, left internal mammary artery and left external carotid artery. Measuring 5.0x14.0x10.8cm, the mass extended superior to the clavicle and inferior to the third rib with medial and lateral borders at the level of the clavicular head and coracoid, respectively...
September 7, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28808648/traumatic-arteriovenous-malformation-of-the-superficial-temporal-artery
#14
Mahmoud Omrani Fard, Omid Yousofnejad, Mohammadbagher Heydari
Most of the vascular lesions on head and neck soft tissue are congenital, but a rare cause can be trauma. A 23-year-old man came to our clinic with a wide pulsatile tortuous mass in the left temporofrontal area. That mass was appeared since 10 years ago. Ten years before his coming to our clinic, he had a blunt trauma in that area. After that, a small wound appeared there and healed gradually. In clinical examination, mass was large and pulsatile, and a fine murmur was detected from it. In paraclinical examination, computed tomography scan with intravenous contrast and sonography revealed a vascular mass with arteriovenous (AV) fistula in soft tissue only in that area...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28698085/modified-park-bench-position-for-superior-vermian-arteriovenous-malformations-and-dural-fistulas
#15
Rouzbeh Motiei-Langroudi, Christoph J Griessenauer, Abdulrahman Y Alturki, Paul H Chapman, Christopher S Ogilvy, Ajith J Thomas
OBJECTIVES: Arteriovenous malformations (AVMs) of the superior cerebellar vermis and dural arteriovenous fistulas (dAVFs) draining into tentorial venous structures are uncommon lesions. Various surgical approaches and positions have been used to gain access. METHODS: We present our experience with 10 superior vermian AVMs and 3 dAVFs with retrograde transverse sinus or torcular drainage, each resected through a supracerebellar infratentorial approach in the park bench position with modification of the neck and head position (vertex tilt-up instead of down)...
October 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28593889/circonscript-subcutaneous-arteriovenous-malformation-of-the-head
#16
Vladimir Mirchevski, Elizabeta Zogovska, Aleksandar Chaparoski, Venko Filipce, Milenko Kostov, Mirko Mishel Mirchevski
The aim of this study is to show the various possibilities to treat this rare malformation, accentuating the results of the early surgical treatment before complications. MATERIAL: The authors present 8 cases of patients with subcutaneous arteriovenous malformations, 5 females and 3 males (age of 7, 13, 19, 23, 27, 52 and 58 years) treated in the period of 1999 until 2015 at the Clinic for Neurosurgery and the Clinic for Plastic, Aesthetic and Reconstructive Surgery in Skopje, Republic of Macedonia...
March 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28540347/interdisciplinary-management-of-head-and-neck-vascular-anomalies-clinical-presentation-diagnostic-findings-and-minimalinvasive-therapies
#17
REVIEW
Maliha Sadick, Walter A Wohlgemuth, Roland Huelse, Bettina Lange, Thomas Henzler, Stefan O Schoenberg, Haneen Sadick
OBJECTIVES: Vascular anomalies are included in the 30 000 rare diseases worldwide affecting less than 5/10 000 people. Depending on their morphology and biological properties, they can cause varied disorders with organ involvement. Almost 60% of vascular anomalies have a predilection for the head and neck region in children. Clinical and scientific effort to establish interdisciplinary management concepts for vascular anomalies is increasing worldwide. METHODS: Especially in the head and neck region, clinical impairment and organ dysfunction is associated with cosmetic issues that may represent a physical and psychological issue for the patient...
2017: European Journal of Radiology Open
https://www.readbyqxmd.com/read/28452186/eocene-paleoecology-of-adapis-parisiensis-primate-adapidae-from-inner-ear-to-lifestyle
#18
Margot Bernardi, Sébastien Couette
European adapids, especially Adapis parisiensis, have been extensively studied over the past two centuries, essentially for taxonomic and phylogenetic purposes. Analyses of dental, cranial, and postcranial morphology have led to various hypotheses about the diet, locomotion, and lifestyle of this fossil primate species. As the morphology of Adapis parisiensis is not directly comparable to any extant species, some interpretations are still debated. The inner ear is crucial to several functional parameters, such as auditory acuity, balance, agility, orientation, and head motion speed during locomotion...
April 27, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28244905/clinical-characteristics-of-arteriovenous-malformations-of-the-head-and-neck
#19
Jae Bong Kim, Jeong Woo Lee, Kang Young Choi, Jung Dug Yang, Byung Chae Cho, Seok-Jong Lee, Yong-Sun Kim, Jong Min Lee, Seung Huh, Ho Yun Chung
BACKGROUND: Arteriovenous malformation (AVM) of the head and neck regions show low incidence; hence, studies regarding the causative factors of onset, diagnostic criteria, clinical aspects, treatment methods, and outcomes remain lacking. OBJECTIVE: To share the diagnostic and treatment experiences at the center and to understand the treatments' effect through a retrospective analysis of cases in the past 15 years. MATERIALS AND METHODS: The authors included 60 patients with AVM in the head and neck area between January 1999 and September 2014 to investigate diagnostic methods, distributions and locations of lesions, clinical stage, and treatment methods by retrospective evaluation...
April 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28050516/high-flow-av-malformation-a-v-shunt-of-mandible-a-rare-life-threatening-entity
#20
Sanat Kumar Bhuyan, Krishna Gopal Birmiwal, Indu Bhusan Kar, Ruchi Bhuyan, Priyanka Debta
Intraosseous Arteriovenous Malformations (AVMs) in the head and neck region are very rare and potentially life threatening entities due to massive hemorrhage. These are the results of an embryonic abnormality of the vascular system. Depending on the blood flow and clinical presentations they are of different types like slow flow and high flow AVM. Here we present a case of high flow AVM involving mandible with a chief complain of gingival bleeding in a four year old girl child.
November 2016: Journal of Clinical and Diagnostic Research: JCDR
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