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Vertebral artery dissect

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https://www.readbyqxmd.com/read/28645600/newly-detected-cervical-spinal-dural-arteriovenous-fistula-on-magnetic-resonance-angiography-causing-intracranial-subarachnoid-hemorrhage-a-case-report
#1
Hiroaki Matsumoto, Hiroaki Minami, Ikuya Yamaura, Yasuhisa Yoshida, Yutaka Hirata
BACKGROUND: Although an asymptomatic spinal dural arteriovenous fistula (SDAVF) can sometimes be incidentally detected on magnetic resonance imaging (MRI), there are no previous reports showing the development of an SDAVF on MRI or magnetic resonance angiography (MRA). CASE DESCRIPTION: A 64-year old man with unruptured vertebral artery dissection (VAD) developed a subarachnoid hemorrhage (SAH) during regular follow-up. Emergent endovascular coil internal trapping for the VAD was performed...
June 20, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28630664/overlapping-stent-assisted-coil-embolization-for-a-ruptured-intracranial-vertebral-artery-dissection
#2
Katsunori Asai, Hajime Nakamura, Takeo Nishida, Shayne Morris, Takayuki Sakaki
Ruptured intracranial vertebral artery dissection is a cause of non-traumatic subarachnoid hemorrhage. Urgent intervention should be considered to prevent fatal rebleeding. Endovascular parent artery occlusion, which is the initial treatment of choice, is not suitable for patients with a hypoplastic or occlusive contralateral vertebral artery. We report a case of ruptured vertebral artery dissection, which was successfully treated with double overlapping stent-assisted coiling.
June 2017: Journal of Surgical Case Reports
https://www.readbyqxmd.com/read/28611087/acute-ischemic-stroke-after-moderate-to-severe-traumatic-brain-injury-incidence-and-impact-on-outcome
#3
Robert G Kowalski, Juliet K Haarbauer-Krupa, Jeneita M Bell, John D Corrigan, Flora M Hammond, Michel T Torbey, Melissa C Hofmann, Kristen Dams-O'Connor, A Cate Miller, Gale G Whiteneck
BACKGROUND AND PURPOSE: Traumatic brain injury (TBI) leads to nearly 300 000 annual US hospitalizations and increased lifetime risk of acute ischemic stroke (AIS). Occurrence of AIS immediately after TBI has not been well characterized. We evaluated AIS acutely after TBI and its impact on outcome. METHODS: A prospective database of moderate to severe TBI survivors, admitted to inpatient rehabilitation at 22 Traumatic Brain Injury Model Systems centers and their referring acute-care hospitals, was analyzed...
June 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28602923/successful-hybrid-neurovascular-surgery-for-a-ruptured-basilar-artery-dissecting-aneurysm-in-a-patient-with-jeopardized-collateral-circulation-associated-with-aortitis-syndrome-case-report
#4
Kazuaki Yamamoto, Takahisa Mori, Tsuyoshi Watanabe, Tomonori Iwata, Gakuji Gondo, Masahiko Tanaka, Satoshi Tanaka
BACKGROUND: Dissecting aneurysms of the basilar artery (BA) are rare lesions and the management of them has been controversial and challenging. The treatment becomes much more difficult when the patient has a disorder such as aortitis syndrome, which makes cerebral arteries occluded and tortuous. The authors describe a case of a ruptured BA dissecting aneurysm associated with aortitis syndrome, successfully treated with hybrid neurovascular surgery. CASE DESCRIPTION: A 64-year-old woman with a medical history of aortitis syndrome developed a severe headache and was diagnosed with a subarachnoid hemorrhage from a BA dissecting aneurysm...
June 8, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28594803/treatment-of-vertebrobasilar-insufficiency-due-to-stenosis-and-aneurysm-of-the-vertebral-artery
#5
O V Dmitriev, A N Vachev, M Iu Stepanov, T Iu Vovk, V V Kutsenko, A V Krugomov, O V Tereshina
A dissecting aneurysm of the vertebral artery in the extracranial portion is a rare pathology. It may either have a symptom-free course or induce a clinical picture of vertebrobasilar insufficiency. To the main methods of surgical treatment belong endovascular techniques and resection of an aneurysm with shunting of the V3 segment of the vertebral artery. Presented in the article is a clinical case report regarding successful surgical management of a dissecting aneurysm of the extracranial portion in a young woman presenting with a clinical course of vertebrobasilar insufficiency and treated by means of ligation of the vertebral artery in the V1 segment and autovenous shunting from the external carotid artery to the V3 segment of the vertebral artery...
2017: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/28583461/repair-of-v2-vertebral-artery-injuries-sustained-during-anterior-cervical-discectomy
#6
Evgenii Belykh, David S Xu, Kaan Yağmurlu, Ting Lei, Vadim A Byvaltsev, Curtis A Dickman, Mark C Preul, Peter Nakaji
BACKGROUND: The V2 segment of the vertebral artery (VA) typically runs through the transverse foramen of C2-C6. V2 injury may occur during anterior approaches to the cervical spine and can cause significant morbidity. We aimed to describe landmarks and microsurgical V2 repair techniques through the standard anterolateral cervical discectomy approach. METHODS: Five silicone-injected cadaveric heads (necks-C7) were dissected bilaterally. An anterolateral approach with C3-4, C4-5, and C5-6 discectomies and an ipsilateral VA injury were simulated...
June 2, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28574627/ct-versus-mr-techniques-in-the-detection-of-cervical-artery-dissection
#7
Uta Hanning, Peter B Sporns, Meilin Schmiedel, Erich B Ringelstein, Walter Heindel, Heinz Wiendl, Thomas Niederstadt, Ralf Dittrich
BACKGROUND: Spontaneous cervical artery dissection (sCAD) is an important etiology of juvenile stroke. The gold standard for the diagnosis of sCAD is convential angiography. However, magnetic resonance imaging (MRI)/MR angiography (MRA) and computed tomography (CT)/CT angiography (CTA) are frequently used alternatives. New developments such as multislice CT/CTA have enabled routine acquisition of thinner sections with rapid imaging times. The goal of this study was to compare the capability of recent developed 128-slice CT/CTA to MRI/MRA to detect radiologic features of sCAD...
June 2, 2017: Journal of Neuroimaging: Official Journal of the American Society of Neuroimaging
https://www.readbyqxmd.com/read/28569284/acute-pulmonary-oedema-not-always-cardiogenic
#8
M Bonello, R Pullicino, A J Larner
A patient presented with fulminant pulmonary oedema and required acute intubation and ventilation. There was no history of a prior cardiac disorder. As he was weaned from sedation, following stabilisation of his pulmonary status, neurological signs suggestive of brainstem dysfunction became apparent. Investigations showed infarcts in the posterior cerebral circulation secondary to a vertebral artery dissection. Neurogenic pulmonary oedema needs to be considered in any patient with fulminant pulmonary oedema without overt evidence or history of cardiac disease...
March 2017: Journal of the Royal College of Physicians of Edinburgh
https://www.readbyqxmd.com/read/28554184/vertebral-artery-dissection-in-a-bouncy-castle-injury-case-report-and-literature-review
#9
Valeria Ripa, Timur M Urakov, Sarah C Jernigan
There is an increased rate of injuries associated with activities on bouncy castles. The purpose of this article was to describe the case of a 6-year-old boy who sustained a brain infarct as a consequence of a left posterior inferior cerebellar artery dissection due to improper landing in a bouncy castle and who required a suboccipital craniotomy. The second goal was to outline the literature review regarding cervical trauma related to trampoline or bouncy castle accidents in pediatric populations. Based on the described case and reviewed studies, bouncy castle or any other activity resulting in hyperflexion or hyperextension of the neck should be carefully evaluated for cervical spine fractures and vascular injuries...
May 30, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28547783/aortic-arch-origin-of-the-left-vertebral-artery-an-anatomical-and-radiological-study-with-significance-for-avoiding-complications-with-anterior-approaches-to-the-cervical-spine
#10
Gabrielle G Tardieu, Bryan Edwards, Fernando Alonso, Koichi Watanabe, Tsuyoshi Saga, Moriyoshi Nakamura, Mayuko Motomura, Raghu Sampath, Joe Iwanaga, Oded Goren, Stephen Monteith, Rod J Oskouian, Marios Loukas, R Shane Tubbs
INTRODUCTION: Complications from anterior approaches to the cervical spine are uncommon with normal anatomy. However, variant anatomy might predispose one to an increased incidence of injury during such procedures. We hypothesized that left vertebral arteries that arise from the aortic arch instead of the subclavian artery might take a more medial path in their ascent making them more susceptible to iatrogenic injury. MATERIALS AND METHODS: Fifty human adult cadavers were examined for left vertebral arteries having an aortic arch origin and these were dissected along their entire cervical course...
May 25, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28544621/a-cell-adhesive-peptide-from-tropoelastin-promotes-sequential-cell-attachment-and-spreading-via-distinct-receptors
#11
Pearl Lee, Giselle C Yeo, Anthony S Weiss
Tropoelastin is the dominant monomer that assembles to form elastin, which confers elasticity to vertebrate elastic tissues including skin, arteries and lungs. Tropoelastin interacts with cells through cell surface receptors including integrins and glycosaminoglycans (GAGs). As the region 17-18 is recognized as a key region in cell attachment and spreading, we utilized C-terminal truncated tropoelastin constructs containing dissected sections of domain 18. We mapped a cell interactive sequence of tropoelastin to domain 17 and the first 6 amino acids (aa) of domain 18...
May 24, 2017: FEBS Journal
https://www.readbyqxmd.com/read/28526034/differential-darc-ackr1-expression-distinguishes-venular-from-non-venular-endothelial-cells-in-murine-tissues
#12
Aude Thiriot, Carolina Perdomo, Guiying Cheng, Igor Novitzky-Basso, Sara McArdle, Jamie K Kishimoto, Olga Barreiro, Irina Mazo, Robinson Triboulet, Klaus Ley, Antal Rot, Ulrich H von Andrian
BACKGROUND: Intravascular leukocyte recruitment in most vertebrate tissues is restricted to postcapillary and collecting venules, whereas capillaries and arterioles usually support little or no leukocyte adhesion. This segmental restriction is thought to be mediated by endothelial, rather than hemodynamic, differences. The underlying mechanisms are largely unknown, in part because effective tools to distinguish, isolate, and analyze venular endothelial cells (V-ECs) and non-venular endothelial cells (NV-ECs) have been unavailable...
May 19, 2017: BMC Biology
https://www.readbyqxmd.com/read/28521360/exposure-of-the-external-carotid-artery-through-the-posterior-triangle-of-the-neck-a-novel-approach-to-facilitate-bypass-procedures-to-the-posterior-cerebral-circulation
#13
Ali Tayebi Meybodi, Michael T Lawton, Pooneh Mokhtari, Olivia Kola, Ivan H El-Sayed, Arnau Benet
BACKGROUND: The external carotid artery (ECA) is the main high-flow donor for extracranial-intracranial revascularization procedures. However, anatomic restraints limit the availability of ECA in posterior exposures of the craniocervical junction aimed for bypass to distal vertebral artery segments. OBJECTIVE: To examine the feasibility and safety of exposure of the ECA through the posterior triangle of the neck. METHODS: A preliminary feasibility study on the posterior neck exposure of the ECA was performed in 1 cadaveric head (2 sides) followed by a morphometric study on 9 cadaveric heads (18 sides)...
June 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28509611/efficacy-of-high-resolution-cone-beam-ct-in-the-evaluation-of-perforators-in-vertebral-artery-dissection
#14
Kenji Shimada, Michihiro Tanaka, Keisuke Kadooka, Hiromu Hadeishi
Introduction A major complication of internal coil trapping for vertebral artery dissection (VAD) is medullary infarction associated with perforator occlusion. Currently, higher spatial resolution imaging can be obtained with high-resolution cone-beam computed tomography (VASO CT), and the efficacy of perforator visualization adjacent to VAD was examined. Methods Eight patients who underwent internal coil trapping or stent-supported coil embolization underwent VASO CT to evaluate perforators around VAD. Visualization of perforators was compared with conventional digital subtraction angiography (DSA) and three-dimensional rotational angiography (3D-RA)...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28509423/analysis-of-the-relationship-between-the-double-transverse-foramen-and-the-possibility-of-developing-clinical-symptoms-after-whiplash
#15
Juan A Sanchis-Gimeno, Marcelino Perez-Bermejo, Luis Rios, Susanna Llido, Markus Bastir, Esther Blanco-Perez, Federico Mata-Escolano
Currently, there is no information about the possibility of developing clinical symptoms after whiplash in double transverse foramen subjects. Our aim was to test whether subjects with double transverse foramen have an increased risk of presenting with an acute headache, dizziness, vertebral artery dissection, and vomiting after whiplash.We recorded the absence/presence of double transverse foramen, and the absence/presence of neck pain, acute headache, dizziness, vertebral artery dissection, and vomiting in 85 patients who had suffered whiplash injuries in car rear-end impacts in road traffic accidents...
May 16, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28497262/arterial-tortuosity-in-patients-with-spontaneous-cervical-artery-dissection
#16
Alessia Giossi, Dikran Mardighian, Filomena Caria, Loris Poli, Valeria De Giuli, Paolo Costa, Andrea Morotti, Massimo Gamba, Nicola Gilberti, Marco Ritelli, Marina Colombi, Maria Sessa, Mario Grassi, Alessandro Padovani, Roberto Gasparotti, Alessandro Pezzini
PURPOSE: The aim of this study was to test the hypothesis that patients with spontaneous cervical artery dissection (CeAD) have increased arterial tortuosity, and the objective quantification of such a tortuosity may aid in the identification of subjects at increased risk of disease. METHODS: In the setting of a hospital-based, case-control study, we used the vertebral tortuosity index (VTI) measured on magnetic resonance angiography, a validated method for the assessment and quantification of arterial tortuosity, to compare the degree of tortuosity in a series of consecutive patients with spontaneous CeAD and of age- and sex-matched patients with ischemic stroke unrelated to CeAD (non-CeAD IS) and stroke-free subjects...
June 2017: Neuroradiology
https://www.readbyqxmd.com/read/28493024/de-novo-vertebral-artery-dissecting-aneurysm-after-internal-trapping-of-the-contralateral-vertebral-artery
#17
Naoya Kidani, Kenji Sugiu, Tomohito Hishikawa, Masafumi Hiramatsu, Jun Haruma, Shingo Nishihiro, Yu Takahashi, Isao Date
We present the case of a de novo vertebral artery dissecting aneurysm (VADA) after endovascular trapping of a ruptured VADA on the contralateral side. The first ruptured VADA involved the posterior inferior cerebellar artery, which was successfully treated by endovascular internal trapping using a stent. A follow-up study at 3 months revealed a de novo VADA on the contralateral side. The second VADA was successfully embolized using coils while normal arterial flow in the vertebral artery was preserved using a stent...
July 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28489237/medially-displaced-common-and-internal-carotid-arteries-presenting-as-a-pulsatile-mass-clinicoradiologic-analysis-of-62-cases
#18
Ilker Burak Arslan, Yildiz Arslan, Erhan Demirhan, Selahattin Genc, Yeliz Pekcevik, Levent Altin, Zahide Yilmaz, Ibrahim Cukurova
We conducted a prospective study to analyze the medially displaced courses of the common carotid artery (CCA) and the cervical segment of the internal carotid artery (ICA) in patients who were diagnosed with a pulsatile mass on nasopharyngolaryngoscopy and by clinicoradiologic findings. Our study group was made up of 62 patients-40 women and 22 men, aged 30 to 88 years (mean: 63.7)-who presented with a submucosal pseudomass or a bulging mass on the pharyngeal wall with obvious pulsation. For comparison purposes, we recruited a control group of 62 consecutively presenting patients who had been admitted to our Neurology Department with acute severe headache and who had undergone CT angiography based on a suspicion of an aneurysm or a vertebral or carotid artery dissection...
April 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28484132/unilateral-trans-cerebellomedullary-fissure-approach-for-occipital-artery-to-posterior-inferior-cerebellar-artery-bypass-during-aneurysmal-surgery
#19
Hiroshi Abe, Koichi Miki, Hiromasa Kobayashi, Toshiyasu Ogata, Mitsutoshi Iwaasa, Toshio Matsushima, Tooru Inoue
Occipital artery (OA) to the posterior inferior cerebellar artery (PICA) bypass is indispensable for the management of complex aneurysms of the PICA that cannot be reconstructed with surgical clipping or coil embolization. Although OA-PICA bypass is a comparatively standard procedure, the bypass is difficult to perform in some cases because of the location and situation of the PICA. We describe the usefulness of the unilateral trans-cerebellomedullary fissure (CMF) approach for OA-PICA bypass. Thirty patients with aneurysms in the vertebral artery (VA) or PICA were treated using OA-PICA bypasses between 2010 and 2015...
May 9, 2017: Neurologia Medico-chirurgica
https://www.readbyqxmd.com/read/28471896/a-case-report-of-transient-cortical-blindness-after-angiography
#20
Chih Yen Chen, Chi Jen Chen, Ying Chi Tseng
INTRODUCTION: Transient cortical blindness (TCB) is a rare complication after angiography and is proposed to be related to contrast extravasation. We present the first case of TCB after angiography that was evaluated using serial arterial spin-labeling magnetic resonance perfusion (ASLMRP) and susceptibility-weighted imaging (SWI). CASE REPORT: A 65-year-old woman with dyslipidemia who had been treated for left vertebral artery dissection 3 months previously presented with dizziness and right hemiparesis...
May 2017: Neurologist
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