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Venous sinus stenosis

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https://www.readbyqxmd.com/read/29067093/stent-retriever-thrombectomy-combined-with-local-thrombolytic-therapy-for-cerebral-venous-sinus-thrombosis-a-case-report
#1
Chengwei Chen, Qiujing Wang, Xifeng Li, Ziming Lu, Jian He, Qinrui Fang, Xunchang Ke, Chuanzhi Duan, Tielin Li
The present study reports the effect of successful treatment of cerebral venous sinus thrombosis (CVST) with stent retriever thrombectomy combined with local thrombolytic therapy. Medical records of 29 patients were retrospectively analyzed following a diagnosis of CVST with magnetic resonance venography (MRV) or digital subtraction angiography (DSA). Systemic anticoagulation was the initial treatment in all patients following admission. In group A, stent retriever thrombectomy combined with local thrombolytic therapy was performed on 14 patients who met the criteria of endovascular therapy...
November 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/29018653/chiari-type-1-malformation-induced-intracranial-hypertension-with-diffuse-brain-edema-treated-with-foramen-magnum-decompression-a-case-report
#2
Toshiki Fukuoka, Yusuke Nishimura, Masahito Hara, Shoichi Haimoto, Kaoru Eguchi, Satoshi Yoshikawa, Toshihiko Wakabayashi, Howard J Ginsberg
Chiari type 1 malformation (CM1) rarely causes papilloedema, which is indicative of high intracranial pressure with or without ventricular dilatation. Furthermore, concomitant brain parenchymal abnormalities have not been reported to date. In this paper, the authors report on a young woman of CM1-induced intracranial hypertension (ICH) with diffuse brain edema with a focus on venous sinus assessment, and discuss the surgical strategy. A 24-year-old woman presented to Nagoya University Hospital complaining of 4-year history of severe occipital headache and blurry vision with slowly progressive worsening...
October 2017: NMC Case Rep J
https://www.readbyqxmd.com/read/28984521/idiopathic-intracranial-hypertension-120-day-clinical-radiological-and-manometric-outcomes-after-stent-insertion-into-the-dural-venous-sinus
#3
Hasan Asif, Claudia L Craven, Almas H Siddiqui, Syed N Shah, Samir A Matloob, Lewis Thorne, Fergus Robertson, Laurence D Watkins, Ahmed K Toma
OBJECTIVE Idiopathic intracranial hypertension (IIH) is commonly associated with venous sinus stenosis. In recent years, transvenous dural venous sinus stent (DVSS) insertion has emerged as a potential therapy for resistant cases. However, there remains considerable uncertainty over the safety and efficacy of this procedure, in particular the incidence of intraprocedural and delayed complications and in the longevity of sinus patency, pressure gradient obliteration, and therapeutic clinical outcome. The aim of this study was to determine clinical, radiological, and manometric outcomes at 3-4 months after DVSS in this treated IIH cohort...
October 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28951273/stenosis-before-thrombosis-intracranial-hypertension-from-jugular-foramen-stenosis-secondary-to-renal-osteodystrophy
#4
Darian R Esfahani, Ali Alaraj, Daniel M Birk, Keith R Thulborn, Fady T Charbel
BACKGROUND: Venous outflow obstructions are rare anatomic findings that can present with symptoms of elevated intracranial pressure, including headache and vision loss, and can be mistaken for more common diagnoses, such as idiopathic intracranial hypertension (IIH) or cerebral venous sinus thrombosis (CVST). While venous outflow obstructions have been reported in rare bone dysplasias and congenital abnormalities, to date they have not been reported in renal osteodystrophy (ROD), a relatively common disorder seen in patients with chronic kidney disease...
September 23, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28946157/duplex-sonographic-diagnosis-of-perinatal-hemorrhagic-stroke
#5
Karl-Heinz Deeg
Children are particularly at risk for stroke in the neonatal period. Neonatal hemorrhagic stroke is rarer than ischemic stroke. The incidence is 40.7/100 000 live births. Hemorrhagic stroke is caused by a disruption in venous drainage usually due to local thrombosis. As a result of the nonspecific clinical symptoms in this age group, diagnosis is usually made too late. The only relatively specific symptom is a cerebral seizure during the first week of life. Therefore, stroke should be ruled out by diagnostic imaging in the case of any seizure in the first days of life...
October 2017: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/28922875/stent-placement-for-disabling-pulsatile-tinnitus-caused-by-a-lateral-sinus-stenosis-a-retrospective-study
#6
Stéphanie Lenck, Marc-Antoine Labeyrie, Fabrice Vallee, Jean-Pierre Saint-Maurice, Antoine Guillonnet, Anne-Laure Bernat, Pierre Vironneau, Emmanuel Houdart
BACKGROUND: Lateral sinus stenosis is a little-known cause for pulsatile tinnitus (PT). In several small series, stenting has been described as an effective treatment for disabling PT linked with this type of stenosis. OBJECTIVES: To describe the clinical, radiological, and manometric characteristics of patients treated for disabling PT by lateral sinus stenosis. Assessment of the efficacy of stenting for this indication. METHODS: Retrospective study of patients treated for isolated PT by stenting of a lateral sinus stenosis in our institution, between 2009 and 2015...
October 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28893127/successful-presurgical-endovascular-management-of-venous-sinus-thrombosis-associated-with-high-grade-cerebral-arteriovenous-malformation-a-case-report
#7
Yoshinari Osada, Hidenori Endo, Kenichi Sato, Yasushi Matsumoto, Toshiki Endo, Miki Fujimura, Teiji Tominaga
We report a case of a 39-year-old man presenting with a high-grade left parieto-occipital arteriovenous malformation (AVM) complicated by superior sagittal sinus (SSS) stenosis, seven years after the first presentation. Magnetic resonance imaging revealed a newly developed perilesional edema. Venous sinus stenosis acutely progressed to occlusion and induced multiple intracerebral hemorrhages. An emergent balloon venoplasty of the SSS successfully recanalized the thrombosed sinus. Further, multistage transarterial nidus embolization was performed followed by surgical resection, resulting in a complete eradication of the large AVM...
December 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28872565/sinus-pericranii-in-achondroplasia-a-case-report-and-review-of-the-literature
#8
Abbey A Scott, Katelyn D Hodge, Wilfredo Torres-Martinez, Stephen R Dlouhy, Jodi L Smith, David D Weaver
In the field of dysmorphology, achondroplasia is a well-known disorder. Sinus pericranii (SP), however, is not. The latter condition is a rare vascular malformation characterized by abnormal connections between the intracranial and the extracranial venous drainage pathways. The etiology of SP remains unclear, and yet, these defects can be present at birth, develop spontaneously later, or evolve following head trauma. Here, we report on a 2-year-old male with achondroplasia, SP, and craniocervical junction stenosis...
October 2017: Clinical Dysmorphology
https://www.readbyqxmd.com/read/28868187/tumor-cerebri-metastatic-renal-cell-carcinoma-with-dural-venous-sinus-compression-leading-to-intracranial-hypertension-a-case-report
#9
Eric Marvin, Jordan Synkowski, Michael Benko
BACKGROUND: Pseudotumor cerebri (PTC), also known as idiopathic intracranial hypertension (IIH), is a condition associated with increased intracranial pressure (ICP) in the absence of radiographic findings such as mass lesions or cerebral edema. CASE DESCRIPTION: We describe a case of progressive headache and visual disturbances attributed to PTC that resulted from subacute superior sagittal sinus (SSS) stenosis by a metastatic tumor. CONCLUSIONS: Venous outflow obstruction often presents with an acute symptomatology including infarcts, hemorrhages, and seizures, but only rarely does it cause the progressive development of raised ICP...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28859024/spontaneous-resolution-of-venous-aneurysms-after-transarterial-embolization-of-a-variant-superior-sagittal-sinus-dural-arteriovenous-fistula-case-report-and-literature-review
#10
Weizheng Song, Hong Sun, Jin Liu, Li Liu, Jia Liu
We present a rare case of dural arteriovenous fistula (DAVF) with subarachnoid hemorrhage and intraventricular hemorrhage due to its venous aneurysms. A 63-year-old woman was admitted for a sudden loss of consciousness. Computed tomography angiograph, magnetic resonance imaging angiography, and digital subtraction angiography revealed a superior sagittal sinus DAVF. The fistula was fed by the left middle meningeal artery and left internal carotid artery, and was drained by a right vein of Trolard, the superficial Sylvian vein, deep Sylvian vein, and basal vein to the vein of Galen...
September 2017: Neurologist
https://www.readbyqxmd.com/read/28841117/transient-resolution-of-venous-sinus-stenosis-after-high-volume-lumbar-puncture-in-a-patient-with-idiopathic-intracranial-hypertension
#11
Thomas J Buell, Daniel M S Raper, I Jonathan Pomeraniec, Dale Ding, Ching-Jen Chen, Davis G Taylor, Kenneth C Liu
Stenosis of the transverse sinus (TS) and sigmoid sinus (SS), with a trans-stenosis pressure gradient, has been implicated in the pathophysiology of idiopathic intracranial hypertension (IIH). MRI has shown improvement in TS and SS stenosis after high-volume lumbar puncture (HVLP) in a subset of patients with IIH. The authors present the first report of an IIH patient with immediate post-HVLP TS and SS trans-stenosis pressure gradient reduction and an attendant increase in TS and SS cross-sectional area confirmed using intravascular ultrasonography (IVUS)...
August 25, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28820309/advanced-cone-beam-ct-venous-angiographic-imaging
#12
Visish M Srinivasan, Gouthami Chintalapani, Edward A M Duckworth, Peter Kan
OBJECTIVE The evaluation of the venous neurovasculature, especially the dural venous sinuses, is most often performed using MR or CT venography. For further assessment, diagnostic cerebral angiography may be performed. Three-dimensional rotational angiography (3D-RA) can be applied to the venous system, producing 3D rotational venography (3D-RV) and cross-sectional reconstructions, which function as an adjunct to traditional 2D digital subtraction angiography. METHODS After querying the database of Baylor St...
August 18, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28816935/perimesencephalic-nonaneurysmal-subarachnoid-hemorrhage-caused-by-transverse-sinus-thrombosis-a-case-report-and-review-of-literature
#13
Fang-Wang Fu, Jie Rao, Yuan-Yuan Zheng, Liang Song, Wei Chen, Qi-Hui Zhou, Jian-Guang Yang, Jiang-Qiong Ke, Guo-Qing Zheng
RATIONALE: Perimesencephalic nonaneurysmal subarachnoid hemorrhage (PNSAH) is characterized by a pattern of extravasated blood restricted to the perimesencephalic cisterns, normal angiographic findings, and an excellent prognosis with an uneventful course and low risks of complication. The precise etiology of bleeding in patients with PNSAH has not yet been established. The most common hypothesis is that PNSAH is venous in origin. Intracranial venous hypertension has been considered as the pivotal factor in the pathogenesis of PNSAH...
August 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28710082/accuracy-and-precision-of-venous-pressure-measurements-of-endovascular-microcatheters-in-the-setting-of-dural-venous-sinus-stenosis
#14
Michael B Avery, Sheryl Sambrano, Javed Khader Eliyas, Muneer Eesa, Alim P Mitha
INTRODUCTION: Dural venous sinus stenosis (DVSS) may lead to increased intracranial pressure, sometimes requiring a stent if a high pressure gradient exists. Many neuroendovascular physicians use microcatheters to measure gradients, yet there are no studies comparing the accuracies and precisions of modern day microcatheters. We examined pressure recordings from five commonly used microcatheters in an experimental DVSS model. METHODS: Using a programmable pump, dynamic flow was established in a closed circuit mimicking the venous sinus waveform...
July 14, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28705815/sigmoid-sinus-diverticulum-dehiscence-and-venous-sinus-stenosis-potential-causes-of-pulsatile-tinnitus-in-patients-with-idiopathic-intracranial-hypertension
#15
J A Lansley, W Tucker, M R Eriksen, P Riordan-Eva, S E J Connor
BACKGROUND AND PURPOSE: Pulsatile tinnitus is experienced by most patients with idiopathic intracranial hypertension. The pathophysiology remains uncertain; however, transverse sinus stenosis and sigmoid sinus diverticulum/dehiscence have been proposed as potential etiologies. We aimed to determine whether the prevalence of transverse sinus stenosis and sigmoid sinus diverticulum/dehiscence was increased in patients with idiopathic intracranial hypertension and pulsatile tinnitus relative to those without pulsatile tinnitus and a control group...
September 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28704516/ultrasound-diagnosis-of-transverse-sinus-hypoplasia-using-flow-profiles-of-the-internal-jugular-vein
#16
COMPARATIVE STUDY
A-Ching Chao, Ke Han, Feng-Chi Chang, Hung-Yi Hsu, Chih-Ping Chung, Wen-Yung Sheng, Lung Chan, Jiang Wu, Han-Hwa Hu
Accurate diagnosis of subtypes of transverse sinus (TS) hypoplasia requires more expensive methods like magnetic resonance (MR) imaging. We hypothesized ultrasound findings of the internal jugular vein (IJV) can be surrogate indicators for diagnosis of TS hypoplasia. MR images were reviewed in 131 subjects to evaluate TS diameter and the location and degree of venous flow stenosis and obstruction. Ultrasound parameters including the cross-sectional lumen area (CSA), time-average-mean velocity (TAMV), and flow volume (FV) at each IJV segment were also evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28698087/computational-fluid-dynamics-simulation-of-hemodynamic-alterations-in-sigmoid-sinus-diverticulum-and-ipsilateral-upstream-sinus-stenosis-after-stent-implantation-in-patients-with-pulsatile-tinnitus
#17
Yanjing Han, Qingqing Yang, Zeran Yang, Jun Xia, Tianhao Su, Jianan Yu, Long Jin, Aike Qiao
OBJECTIVE: To investigate the relationships between upstream venous sinus stenosis and pulsatile tinnitus (PT), and to assess the correlation with diverticulum growth and the effectiveness of stent implantation. METHODS: Patient-specific geometric models were constructed using computed tomography venography images from a patient with PT, with sigmoid sinus diverticulum, and with upstream transverse sinus stenosis, in whom stenting of the upstream sinus stenosis alone achieved complete remission of PT...
October 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28645586/venous-sinus-stenting-in-the-management-of-patients-with-intracranial-hypertension-manifesting-with-skull-base-cerebrospinal-fluid-leaks
#18
Rajiv R Iyer, David Solomon, Abhay Moghekar, C Rory Goodwin, C Matthew Stewart, Masaru Ishii, Philippe Gailloud, Gary L Gallia
BACKGROUND: A subset of patients with skull base cerebrospinal fluid (CSF) leaks are found to have elevated intracranial pressure (ICP). In these patients, elevated ICP is thought to contribute to both the pathophysiology of the leak and postoperative leak recurrences. Current strategies for postoperative ICP control include medical therapy and shunting procedures. The aim of this study is to report the use of venous sinus stenting (VSS) in the management of patients with skull base CSF leaks caused by elevated ICP...
October 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28637822/pattern-of-pressure-gradient-alterations-after-venous-sinus-stenting-for-idiopathic-intracranial-hypertension-predicts-stent-adjacent-stenosis-a-proposed-classification-system
#19
Daniel Raper, Thomas J Buell, Dale Ding, Ching-Jen Chen, Robert M Starke, Kenneth C Liu
OBJECTIVE: Venous sinus stenting (VSS) is a safe and effective treatment for idiopathic intracranial hypertension (IIH) with angiographic venous sinus stenosis. However, predictors of stent-adjacent stenosis (SAS) remain poorly defined. METHODS: We performed a retrospective review of 47 patients with IIH and intracranial venous stenosis who underwent VSS with pre- and post-stent venography. Patient characteristics, treatments and outcomes were reviewed. Changes in pressure gradient after VSS were classified according to pattern of gradient resolution into types I-III...
June 21, 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/28560487/effect-of-venous-stenting-on-intracranial-pressure-in-idiopathic-intracranial-hypertension
#20
Samir A Matloob, Ahmed K Toma, Simon D Thompson, Chee L Gan, Fergus Robertson, Lewis Thorne, Laurence D Watkins
BACKGROUND: Idiopathic intracranial hypertension (IIH) is characterised by an increased intracranial pressure (ICP) in the absence of any central nervous system disease or structural abnormality and by normal CSF composition. Management becomes complicated once surgical intervention is required. Venous sinus stenosis has been suggested as a possible aetiology for IIH. Venous sinus stenting has emerged as a possible interventional option. Evidence for venous sinus stenting is based on elimination of the venous pressure gradient and clinical response...
May 31, 2017: Acta Neurochirurgica
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