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https://www.readbyqxmd.com/read/28324675/arterial-stiffness-in-hiv-infected-youth-and-associations-with-hiv-related-variables
#1
Allison Ross Eckard, Paolo Raggi, Joshua H Ruff, Mary Ann O'Riordan, Julia C Rosebush, Danielle Labbato, Julie E Daniels, Monika Uribe-Leitz, Christopher T Longencker, Grace A McComsey
Children and young adults infected with HIV are at elevated risk for cardiovascular disease (CVD). However, scarce data exist on the utility of non-invasive methods to diagnose subclinical CVD, such as pulse wave velocity (PWV), a non-invasive measure of arterial stiffness. The objectives of this study were to assess the relationship of carotid-femoral PWV with subclinical atherosclerosis measured by carotid intima-media thickness (IMT), compare measurements to healthy controls, and evaluate variables associated with PWV in HIV-infected youth...
March 21, 2017: Virulence
https://www.readbyqxmd.com/read/28323685/ipsilateral-tremor-like-grasp-reaction-in-a-patient-with-ischemic-stroke
#2
Yuichiro Inatomi, Makoto Nakajima, Toshiro Yonehara, Yukio Ando
Reports of involuntary ipsilateral movements after a stroke are rare, and none have described a patient with both an instinctive grasp reaction and tremor-like movement ipsilateral to the acute stroke lesion. We here report such a patient. A 76-year-old right-handed woman with a past history of left thalamic hemorrhage developed left hemiparesis, an instinctive grasp reaction, and a peculiar involuntary movement of her right arm. This involuntary movement was stereotyped and sometimes rhythmical, with a groping or picking-like action...
March 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28319471/early-secondary-prevention-after-initially-ineffective-revascularization-treatments-for-acute-ischemic-stroke-due-to-tandem-occlusion
#3
Stefano Forlivesi, Elia Pancheri, Giuseppe Moretto, Paolo Bovi, Manuel Cappellari
The most effective treatment of patients with stroke due to tandem occlusion is still unclear. We report the case of a man with stroke due to tandem internal carotid artery/middle cerebral artery occlusion, who underwent initially ineffective intravenous thrombolysis (IVT) and endovascular treatment. Early anticoagulation with apixaban was started after 48 h of IVT, given a newly diagnosed nonvalvular atrial fibrillation. Spontaneous partial recanalization of the cervical internal carotid artery was noted, and carotid endarterectomy was performed 72 h after IVT and 8 h after the last dose of apixaban...
March 17, 2017: Blood Coagulation & Fibrinolysis: An International Journal in Haemostasis and Thrombosis
https://www.readbyqxmd.com/read/28318956/carotid-endarterectomy-to-remove-retained-solitaire-stent-retriever-inside-carotid-stent-after-mechanical-thrombectomy
#4
Mary In-Ping Huang Cobb, Tony P Smith, Patrick A Brown, L Fernando Gonzalez, Ali R Zomorodi
BACKGROUND: Tandem occlusions of the internal carotid artery (ICA) and middle cerebral artery (MCA) occur in up to a third of patients with acute ischemic strokes undergoing endovascular mechanical thrombectomy. Understanding open neurosurgical management of associated complications with this procedure is important. CASE REPORT: A 67-year-old man with acute onset of left hemiparesis and a tandem right ICA and MCA occlusion. He underwent carotid stent angioplasty of a stenotic ICA, followed by attempted Solitaire stent retrieval of an MCA clot...
March 16, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28317160/contrast-enhanced-ultrasonography-vs-b-mode-ultrasound-for-visualization-of-intima-media-thickness-and-detection-of-plaques-in-human-carotid-arteries
#5
Benoy N Shah, Navtej S Chahal, Jaspal S Kooner, Roxy Senior
BACKGROUND: Carotid intima-media thickness (IMT) and plaque are recognized markers of increased risk for cerebrovascular events. Accurate visualization of the IMT and plaques is dependent upon image quality. Ultrasound contrast agents improve image quality during echocardiography-this study assessed whether contrast-enhanced ultrasound (CEUS) improves carotid IMT visualization and plaque detection in an asymptomatic population. METHODS & RESULTS: Individuals free from known cardiovascular disease, enrolled in a community study, underwent B-mode and CEUS carotid imaging...
March 19, 2017: Echocardiography
https://www.readbyqxmd.com/read/28315799/venous-phase-timing-does-not-predict-spect-results-during-balloon-test-occlusion-of-the-internal-carotid-artery
#6
Brian M Snelling, Samir Sur, Sumedh S Shah, Racheal I Wolfson, Sudheer Ambekar, Dileep R Yavagal, Mohamed S Elhammady, Eric C Peterson
INTRODUCTION: The purpose of this study is to evaluate the role of venous phase timing when compared to Technetium-99m Single Photon Emission Computed Tomography (SPECT) during angiographic balloon test occlusion of the internal carotid artery (ICA) and subsequent sacrifice of the ICA. METHODS: Fifty-six patients underwent formal BTO from April 2008, to February 2014, at our institution. Venous phase timing was calculated for each patient. SPECT imaging for each patient was interpreted by the nuclear medicine radiologist...
March 15, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28314662/synovial-chondromatosis-of-the-temporomandibular-joint-with-extension-into-the-middle-cranial-fossa-and-internal-carotid-canal
#7
C McCaffery, M Dodd, F Bekiroglu, E Twohig
This report presents the case of an extensive synovial chondromatosis of the temporomandibular joint (TMJ), with extension into the middle cranial fossa, middle ear, and carotid canal. Synovial chondromatosis of the TMJ is rare, particularly when associated with intracranial involvement. This case is unique owing to its size and the involvement with the internal carotid artery. The importance of a multidisciplinary approach in the surgical management of such a rare and complex form of this condition is highlighted...
March 14, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28304205/stenting-of-the-cervical-internal-carotid-artery-in-acute-stroke-management-the-karolinska-experience
#8
Anastasios Mpotsaris, Christoph Kabbasch, Jan Borggrefe, Vamsi Gontu, Michael Soderman
Background Emergency stent placement in the extracranial internal carotid artery in combination with anterior circulation thrombectomy is a routine procedure. Yet, precise indications and clinical safety in this setting remains controversial. Present data for mechanical thrombectomy include few studies with acute stenting of tandem occlusions. We evaluated the feasibility, safety and clinical outcome of this endovascular treatment in a retrospective analysis of all consecutive cases at a comprehensive stroke centre...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28304199/jailed-double-microcatheter-technique-following-horizontal-stenting-for-coil-embolization-of-intracranial-wide-necked-bifurcation-aneurysms-a-technical-report-of-two-cases
#9
Takahiro Kitahara, Taketo Hatano, Makoto Hayase, Etsuko Hattori, Akinori Miyakoshi, Takehiko Nakamura
The horizontal stenting technique facilitates endovascular treatment of wide-necked bifurcation intracranial aneurysms. Previous literature shows, however, that subsequent coil embolization at initial treatment results in incomplete obliteration in many cases. The authors present two consecutive cases of wide-necked large bifurcation aneurysms to describe an additional coil embolization technique following horizontal stenting. The patients were a 53-year-old female with an unruptured internal carotid artery terminus aneurysm and a 57-year-old female with a recurrent basilar artery tip aneurysm...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28303659/invasive-characterization-of-atherosclerotic-plaque-in-patients-with-peripheral-arterial-disease-using-near-infrared-spectroscopy-intravascular-ultrasound
#10
Amr E Abbas, Sibin K Zacharias, James A Goldstein, Ivan D Hanson, Robert D Safian
OBJECTIVES: We describe the characteristics of atherosclerotic plaque in patients with peripheral arterial disease (PAD) using near-infrared spectroscopy-intravascular ultrasound (NIRS-IVUS) BACKGROUND: Imaging and autopsy studies have described atherosclerotic plaque in different vascular beds, including varying degrees of lipid, fibrosis, and calcification. Recently, NIRS has been validated as an accurate method for detecting lipid-core plaque (LCP) in the coronary circulation. Invasive evaluation of plaque composition using NIRS-IVUS has not been reported in different peripheral arterial circulations...
March 17, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/28303317/evaluation-of-the-applicability-of-territorial-arterial-spin-labeling-in-meningiomas-for-presurgical-assessments-compared-with-3-dimensional-time-of-flight-magnetic-resonance-angiography
#11
Yiping Lu, Shihai Luan, Li Liu, Ji Xiong, Jianbo Wen, Jianxun Qu, Daoying Geng, Bo Yin
OBJECTIVES: To prospectively evaluate the application of territorial arterial spin labelling (t-ASL) in comparison with unenhanced three-dimensional time-of-flight magnetic resonance angiography (3D-TOF-MRA) in the identification of the feeding vasculature of meningiomas. METHODS: Thirty consecutive patients with suspected meningiomas underwent conventional MR imaging, unenhanced 3D-TOF-MRA and t-ASL scanning. Four experienced neuro-radiologists assessed the feeding vessels with different techniques separately...
March 16, 2017: European Radiology
https://www.readbyqxmd.com/read/28303208/surgical-strategy-to-minimize-ischemia-during-trapping-resection-of-giant-extracranial-carotid-artery-aneurysm-stratified-by-collateral-evaluation
#12
Hiroki Hongo, Tomohiro Inoue, Akira Tamura, Isamu Saito
BACKGROUND: Extracranial carotid artery aneurysm (ECAA) is a rare clinical entity, and no standard treatment strategy has been established for this condition. METHODS: Data from three patients who underwent surgical treatment of enlarging giant ECAAs were retrospectively reviewed. Based on the collateral status, as evaluated by preoperative digital subtraction angiography (DSA), surgical strategy was stratified into (1) high flow bypass followed by cervical ICA (internal carotid artery) ligation, when the collateral status was judged as poor/fair or (2) direct cervical repair with patch application after aneurysmal wall resection when the collateral status was judged as robust...
2017: Surgical Neurology International
https://www.readbyqxmd.com/read/28303160/cervical-rotatory-manipulation-decreases-uniaxial-tensile-properties-of-rabbit-atherosclerotic-internal-carotid-artery
#13
Shaoqun Zhang, Ji Qi, Lei Zhang, Chao Chen, Shubhro Mondal, Kaike Ping, Yili Chen, Yikai Li
Objective. To investigate the effects of one of the Chinese massage therapies, cervical rotatory manipulation (CRM), on uniaxial tensile properties of rabbit atherosclerotic internal carotid artery (ICA). Methods. 40 male purebred New Zealand white rabbits were randomly divided into CRM-Model group, Non-CRM-Model group, CRM-Normal group, and Non-CRM-Normal group. After modeling (atherosclerotic model) and intervention (CRM or Non-CRM), uniaxial tensile tests were performed on the ICAs to assess the differences in tensile mechanical properties between the four groups...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28302605/quantifying-intracranial-internal-carotid-artery-stenosis-on-mr-angiography
#14
H Baradaran, P Patel, G Gialdini, K Al-Dasuqi, A Giambrone, H Kamel, A Gupta
BACKGROUND AND PURPOSE: Intracranial atherosclerosis is a common cause of ischemic stroke. Intracranial stenosis is most commonly quantified by the Warfarin-Aspirin Symptomatic Intracranial Disease method, which involves calculating a ratio of luminal diameter measurements on conventional angiography. Our purpose was to determine whether a single linear measurement of the narrowest caliber of the intracranial ICA on MRA can accurately predict Warfarin-Aspirin Symptomatic Intracranial Disease stenosis measurements...
March 16, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28300678/magnetic-resonance-imaging-of-internal-jugular-veins-in-multiple-sclerosis-inter-observer-agreement-and-comparison-with-doppler-ultrasound-examination
#15
S J Laukontaus, J Pekkola, J Numminen, T Kagayama, M Lepäntalo, M Färkkilä, S Atula, P Tienari, M Venermo
OBJECTIVES: Doppler ultrasound (US) has been widely used to evaluate the cervical venous system of multiple sclerosis (MS) patients according to the hypothesis of chronic cerebrospinal venous insufficiency (CCSVI) with contradictory results. Venous anatomy and pathology can be examined with less operator-dependent magnetic resonance imaging (MRI). DESIGN: To assess the inter-observer agreement in measuring internal jugular vein (IJV) cross-sectional area (CSA) in MR-images and to explore the agreement between US and MRI in the detection of calibres of ≤ 0...
March 11, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28299248/a-previously-unreported-arterial-variant-of-the-suboccipital-region-based-on-cadaveric-dissection
#16
Christian Fisahn, Brittni Burgess, Joe Iwanaga, Fernando Alonso, Jens R Chapman, Rod J Oskouian, R Shane Tubbs
Introduction Several arterial variants have been reported to occur around the posterior arch of the atlas. Understanding the various anomalies and diagnosing them preoperatively can dramatically reduce the risk of surgical insult during neurosurgical procedures. Herein we report a case of an arterial variant found just below the posterior arch of C1. Case Report During the routine dissection of the suboccipital region via a posterior approach, an unusual bulge was identified just inferior to the inferior capitis oblique muscle...
January 2017: Journal of Neurological Surgery Reports
https://www.readbyqxmd.com/read/28298139/emergent-carotid-stenting-and-intra-arterial-abciximab-in-acute-ischemic-stroke-due-to-tandem-occlusion
#17
Fawaz Al-Mufti, Krishna Amuluru, Nathan W Manning, Imad Khan, Lissa Peeling, Chirag D Gandhi, Charles J Prestigiacomo, Galyna Pushchinska, David Fiorella, Henry H Woo
OBJECTIVE: Acute occlusions of the extracranial internal carotid artery (ICA) and a major intracranial artery respond poorly to intravenous tissue plasminogen activator (tPA) and present an endovascular challenge. The aim of our study was to retrospectively delineate the feasibility of the combined use of emergent carotid stenting and intra-arterial (IA) Abciximab with intracranial revascularization in the setting of acute ischemic stroke and carotid occlusions at our institution. METHODS: Eleven patients with complete cervical carotid occlusion with or without concomitant intracranial ICA and/or MCA occlusion were identified from a single center, retrospective review of patients admitted to the Stroke unit...
March 15, 2017: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/28298027/anatomical-nuances-of-the-internal-carotid-artery-in-relation-to-the-quadrangular-space
#18
Ricardo L L Dolci, Leo F S Ditzel Filho, Carlos R Goulart, Smita Upadhyay, Lamia Buohliqah, Paulo R Lazarini, Daniel M Prevedello, Ricardo L Carrau
OBJECTIVE The aim of this study was to evaluate the anatomical variations of the internal carotid artery (ICA) in relation to the quadrangular space (QS) and to propose a classification system based on the results. METHODS A total of 44 human cadaveric specimens were dissected endonasally under direct endoscopic visualization. During the dissection, the anatomical variations of the ICA and their relationship with the QS were noted. RESULTS The space between the paraclival ICAs (i.e., intercarotid space) can be classified as 1 of 3 different shapes (i...
February 24, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28298019/microsurgical-versus-endovascular-interventions-for-blood-blister-aneurysms-of-the-internal-carotid-artery-systematic-review-of-literature-and-meta-analysis-on-safety-and-efficacy
#19
Sumedh S Shah, Zachary C Gersey, Mohamed Nuh, Hesham T Ghonim, Mohamed Samy Elhammady, Eric C Peterson
OBJECTIVE Blood-blister aneurysms (BBAs) of the internal carotid artery (ICA) have a poor natural history associated with high morbidity and mortality. Currently, both surgical and endovascular techniques are employed to treat BBAs; thus, the authors sought to perform a meta-analysis to compare the efficacy and safety of these approaches. METHODS A literature search of PubMed, MEDLINE, and Google Scholar online databases was performed to include pertinent English-language studies from 2005 to 2015 that discussed the efficacy and safety of either surgical or endovascular therapies to treat BBAs...
February 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28296268/feasibility-and-efficacy-of-intra-arterial-administration-of-mesenchymal-stem-cells-in-an-animal-model-of-double-toxin-induced-multiple-system-atrophy
#20
Ha Na Kim, Dong Yeol Kim, Se Hee Oh, Hyung Sook Kim, Kyung Suk Kim, Phil Hyu Lee
Multiple system atrophy (MSA) is a sporadic neurodegenerative disease of the central and autonomic nervous system. Because no drug treatment consistently benefits MSA patients, neuroprotective strategy using mesenchymal stem cells (MSCs) has a lot of concern for the management of MSA. In this study, we investigated the safety and efficacy of intra-arterial administration of MSCs via internal carotid artery (ICA) in an animal model of MSA. The study was composed of feasibility test using a ×10 and ×50 of a standard dose of MSCs (4 × 10(7) MSCs) and efficacy test using a ×0...
March 13, 2017: Stem Cells Translational Medicine
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