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bilateral carotide artery stenosis

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https://www.readbyqxmd.com/read/28344618/patient-and-lesion-tailored-algorithm-of-endovascular-treatment-for-arterial-occlusive-disease-of-extracranial-arteries-supplying-the-brain-safety-of-the-treatment-at-30-day-follow-up
#1
Paweł Latacz, Marian Simka, Paweł Brzegowy, Piotr Janas, Marek Kazibudzki, Piotr Pieniążek, Andrzej Ochała, Tadeusz Popiela, Tomasz Mrowiecki
INTRODUCTION: Although surgical endarterectomy remains the treatment of choice for carotid artery stenosis, stenting plays an important role as an alternative treatment modality, especially in high-risk patients. The actual safety profile associated with stenting procedures is probably better than that reported by randomized controlled trials. AIM: To assess the safety of stent implantations in extracranial arteries supplying the brain, and also to identify risk factors associated with this procedure...
2017: Postępy W Kardiologii Interwencyjnej, Advances in Interventional Cardiology
https://www.readbyqxmd.com/read/28323191/the-feasibility-and-safety-of-separate-carotid-artery-stenting-using-the-restrict-protective-method-for-bilateral-carotid-stenosis
#2
Tomotaka Ohshima, Ishu Bishnori, Kojiro Ishikawa, Shunsaku Goto, Taiki Yamamoto, Yoko Kato
BACKGROUND: and Purpose: The treatment strategy for bilateral carotid stenosis (BCS) is not clear. We report our experience of treating 12 patients with BCS using separate carotid artery stenting (CAS) using the restrict protective method. The order of treatment site and the protective method are also discussed. MATERIALS AND METHODS: Between April 2012 and November 2016, 24 lesions in 12 patients (range, 44-83 years; mean, 71 years; 1 woman) underwent CAS at Kariya Toyota General Hospital...
March 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28291634/bilateral-lingual-artery-stenosis-a-rare-late-complication-of-chemoradiotherapy
#3
F Holtz, Y Monnier, U Borner, L Nisa
INTRODUCTION: Carotid artery stenosis following radiotherapy (RT) is a known risk factor for the development of cerebrovascular disease with a risk of subsequent stroke or transient ischaemic attack. In contrast, small vessel disease in the neck following RT has been more rarely described. CASE REPORT: The authors report the case of a 61-year-old man who developed partial lingual necrosis 4 years after surgery and postoperative chemoradiotherapy for squamous cell carcinoma of the floor of the mouth...
March 10, 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28290390/prevalence-and-risk-factors-of-asymptomatic-carotid-artery-stenosis-in-indian-population-an-8-year-follow-up-study
#4
Subhash Kaul, Suvarna Alladi, K Rukmini Mridula, V C S Srinivasarao Bandaru, Matapathi Umamashesh, Darapureddy Anjanikumar, Palli Lalitha, R Chandrasekhar
BACKGROUND: Asymptomatic carotid artery stenosis (ACAS) is a marker for cerebrovascular disease, coronary atherosclerosis, and death. AIM: To investigate the prevalence of ACAS in the Indian population, and to correlate ACAS with other vascular risk factors. MATERIALS AND METHODS: We prospectively recruited 1500 individuals who were older than 40 years and asymptomatic for cerebrovascular disease between June 2003 and December 2014. Evaluation of vascular risk factors was done for all the participants...
March 2017: Neurology India
https://www.readbyqxmd.com/read/28273725/the-effects-of-environmental-enrichment-on-white-matter-pathology-in-a-mouse-model-of-chronic-cerebral-hypoperfusion
#5
Yoshiki Hase, Lucinda Craggs, Mai Hase, William Stevenson, Janet Slade, Aiqing Chen, Di Liang, Abdel Ennaceur, Arthur Oakley, Masafumi Ihara, Karen Horsburgh, Raj N Kalaria
White matter (WM) disintegration is common in the older population and is associated with vascular cognitive impairment (VCI). This study explored the effects of environmental enrichment (EE) on pathological sequelae in a mouse model of chronic cerebral hypoperfusion induced by bilateral common carotid artery stenosis (BCAS). Male C57BL/6 J mice underwent BCAS or sham surgery. One-week after surgery, mice were exposed to three different degrees of EE; either standard housing conditions (std), limited 3 h exposure to EE per day (3 h) or full-time exposure to EE (full) for 12 weeks...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28251333/recognizing-subtle-near-occlusion-in-carotid-stenosis-patients-a-computed-tomography-angiographic-study
#6
Suvi Maaria Koskinen, Heli Silvennoinen, Petra Ijäs, Krista Nuotio, Leena Valanne, Perttu J Lindsberg, Lauri Soinne
INTRODUCTION: Near-occlusion of the internal carotid artery (ICA) is a significant luminal diameter (LD) reduction beyond a tight atherosclerotic carotid stenosis (CS). Recognition of even subtle near-occlusions is essential to prevent underestimation of the stenosis degree. Our goal was to investigate the prevalence of near-occlusion among CS patients using a single standard criterion to facilitate its recognition, even when distal ICA LD reduction is not visually evident in computed tomography angiography (CTA)...
March 1, 2017: Neuroradiology
https://www.readbyqxmd.com/read/28223258/the-neurologic-protection-of-unilateral-versus-bilateral-antegrade-cerebral-perfusion-in-aortic-arch-surgery-with-deep-hypothermic-circulatory-arrest-a-study-of-77-cases
#7
Bowen Li, Xiaoping Hu, Zhiwei Wang
BACKGROUD: Unilateral and bilateral antegrade cerebral perfusions (ACP) are recognized methods of cerebral protection in aortic arch surgery. However, the adequacy of cerebral protection in aortic arch surgery with deep hypothermic circulatory arrest is controversial. In this study, we compared unilateral and bilateral ACP of cerebral protection in aortic arch surgery by assessing the patient's intraoperative and postoperative brain function. METHODS: A total of 77 patients undergoing aortic arch surgery were included in this study...
February 20, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/28219575/how-to-clamp-and-bypass-if-there-is-single-artery-supply-to-the-head-and-that-contains-severe-stenosis
#8
Murat Ugurlucan, Yilmaz Onal, Didem Melis Oztas, Omer Ali Sayin, Kubilay Aydin, Ufuk Alpagut
Takayasu arteritis manifests with arterial occlusions and aneurysms. Revascularization is sometimes challenging, especially when carotid arteries are affected. In this report, we present a carotid artery revascularization technique in a patient who was admitted with orthostatic and postprandial transient ischemic attacks, resulting in a diagnosis of bilaterally occluded subclavian and vertebral arteries, occluded left common carotid artery, and severely stenosed right common carotid artery. Clamping of the right carotid artery was a challenge; however, our technique provides a neurologically safe revascularization...
March 2017: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/28191623/the-ivy-sign-on-fluid-attenuated-inversion-recovery-images-related-to-single-photon-emission-computed-tomography-cerebral-blood-flow-in-moyamoya-disease-a-case-report
#9
Fumihiro Matano, Yasuo Murai, Asami Kubota, Takayuki Mizunari, Shiro Kobayashi, Akio Morita
BACKGROUND: Moyamoya disease is an idiopathic progressive cerebrovascular steno-occlusive disorder characterized by the formation of numerous collaterals called moyamoya vessels. Accurate evaluation of vascular status and CBF is needed for prompt treatment to prevent ischemic and/or hemorrhagic events. The pathogenesis of the ivy sign on fluid attenuated inversion recovery (FLAIR) images of moyamoya disease patients is unclear. We report a moyamoya disease case wherein the ivy sign changed in relation to SPECT-measured CBF during progression and following treatment...
January 17, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28178896/sequential-pet-estimation-of-cerebral-oxygen-metabolism-with-spontaneous-respiration-of-15-o-gas-in-mice-with-bilateral-common-carotid-artery-stenosis
#10
Takashi Temma, Makoto Yamazaki, Jun Miyanohara, Hisashi Shirakawa, Naoya Kondo, Kazuhiro Koshino, Shuji Kaneko, Hidehiro Iida
Positron emission tomography with (15)O-labeled gases ((15)O-PET) is important for in vivo measurement of cerebral oxygen metabolism both in clinical and basic settings. However, there are currently no reports concerning (15)O-PET in mice. Here, we developed an (15)O-PET method applicable to mice with spontaneous respiration of (15)O-gas without a tracheotomy catheter. Sequential (15)O-PET was also performed in a mouse model of chronic cerebral hypoperfusion with bilateral common carotid artery stenosis (BCAS) induced by placement of microcoils...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28165646/simultaneous-noncontrast-angiography-and-intraplaque-hemorrhage-snap-imaging-comparison-with-contrast-enhanced-mr-angiography-for-measuring-carotid-stenosis
#11
Hongge Shu, Jie Sun, Thomas S Hatsukami, Niranjan Balu, Daniel S Hippe, Haining Liu, Ted R Kohler, Wenzhen Zhu, Chun Yuan
PURPOSE: To evaluate in a proof-of-concept study the feasibility of Simultaneous Noncontrast Angiography and intraPlaque hemorrhage (SNAP) imaging as a clinical magnetic resonance angiography (MRA) technique for measuring carotid stenosis. There is a growing interest in detecting intraplaque hemorrhage (IPH) during the clinical management of carotid disease, yet luminal stenosis has remained indispensable during clinical decision-making. SNAP imaging has been proposed as a novel IPH imaging technique that provides carotid MRA with no added scan time...
February 6, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28121957/prevalence-and-risk-factors-for-atherosclerotic-carotid-stenosis-and-plaque-a-population-based-screening-study
#12
Shin Young Woo, Jin Hyun Joh, Sang-Ah Han, Ho-Chul Park
Atherosclerotic carotid stenosis (ACS) is a major cause of ischemic stroke. Screening for asymptomatic ACS is important to identify the patients who require longitudinal surveillance, medication, or endovascular surgery. The aim of this study was to assess the prevalence and risk factors for ACS and carotid plaque (CP) in Korea using a population-based screening study.We recruited participants during visits to several community welfare centers in Korea. The baseline characteristics of the study population were collected...
January 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28057413/upper-extremity-blood-pressure-difference-in-patients-undergoing-carotid-revascularisation
#13
A Huibers, J Hendrikse, M M Brown, S A Pegge, M Arnold, F L Moll, L J Kapelle, G J de Borst
INTRODUCTION: Blood pressure (BP) regulation is important in patients with carotid artery atherosclerotic disease. Concomitant subclavian artery stenosis (SAS) might lead to an underestimation of the true systemic BP in the monitoring of these patients. This study aimed to assess the prevalence of the inter-arm BP difference in patients undergoing carotid intervention and its association with ipsilateral significant subclavian stenosis and clinical outcome. METHODS: Bilateral BP measurements and vascular imaging (CTA and MRA) of both subclavian arteries and the innominate artery were assessed in 182 symptomatic patients with carotid artery stenosis undergoing revascularisation in the International Carotid Stenting Study (ICSS)...
February 2017: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28045690/clinical-case-of-the-month-a-49-year-old-man-who-presents-with-left-sided-weakness-an-update-on-ischemic-stroke
#14
Najy Masri, Rikki Weems, Falon Brown, Ben Andres, Fred Lopez
A 49 year-old man with a past medical history significant for essential hypertension, hyperlipidemia, and coronary artery disease status post percutaneous coronary intervention and stent placement in the right coronary artery in 2010 presented for evaluation of left hemiplegia. He was feeling well until three hours prior to presentation, at which time he fell while walking from his bedroom into the kitchen. After falling, he noticed that his left upper and lower extremities felt weak. He denied any symptoms preceding the fall or any loss of consciousness...
November 2016: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28018499/advantages-of-selective-use-of-intraluminal-shunt-in-carotid-endarterectomy-a-study-of-122-cases
#15
Muhammad Jamil, Rashid Usman, Salma Ghaffar
Objectives: To assess the advantage of selective use of shunt in carotid endarterectomy (CEA) under local anesthesia. Materials and Methods: A total of 122 consecutive patients fulfilling international guidelines were included. Shunt was used selectively only in cases of bilateral severe carotid artery occlusive disease or in those patients who developed neurological symptoms on clamping of carotid artery. Follow up was done weekly for one month; then every month for 3 months; and then every 3 months for a year...
2016: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/27994990/refractory-case-of-takayasu-arteritis-in-a-young-woman-a-clinical-challenge
#16
Mudassar Ahmed, Salman Mansoor, Salman Assad, Shahar Y Khan, Rizwanullah Khan, Usman Ghani, Taimur Mansoor, Aasim Rehman
Takayasu arteritis (TA) is an idiopathic chronic inflammatory vasculitis of the aorta and its main branches, which if not treated can lead to severe vascular damage and fatal vascular events. Glucocorticoids (GCs) are the mainstay of the therapy of TA but a significant proportion of patients tend to experience flare-ups when their GCs are tapered. We report a case of a 42-year-old female with TA, diagnosed according to the 1990 American College of Rheumatology Criteria for TA. Cardiovascular assessment showed normal carotid upstrokes with bilateral carotid bruits and soft right and left subclavian bruits with weak peripheral pulses...
November 9, 2016: Curēus
https://www.readbyqxmd.com/read/27916638/therapeutical-options-in-the-management-of-carotid-dissection
#17
Ombretta Martinelli, Salvatore Venosi, Jamila BenHamida, Alban Malaj, Cristina Belli, Francesco Giosue' Irace, Roberto Gattuso, Giacomo Frati, Bruno Gossetti, Luigi Irace
BACKGROUND: The best management of carotid artery dissection (CAD) is still controversial ranging from antiplatelet medication to open surgery or endovascular treatment. In this retrospective study, we assessed the safety and efficacy of endovascular stent angioplasty for the treatment of CAD. METHODS: From February 2006 to February 2016, 44 patients (28 women and 16 men, age range 25-65 years, mean 42) with CAD were included in this study. The internal carotid artery dissection was spontaneous in 32 patients and posttraumatic in the remaining 12 (in 1 case, it was bilateral)...
December 1, 2016: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/27789153/de-novo-development-of-moyamoya-disease-in-an-adult-female-with-a-genetic-variant-of-the-rnf-213-gene-case-report
#18
Ryosuke Tashiro, Miki Fujimura, Kuniyasu Niizuma, Hidenori Endo, Hiroyuki Sakata, Mika Sato-Maeda, Teiji Tominaga
BACKGROUND: The de novo development of moyamoya disease (MMD) in adults is extremely rare, with only 2 cases being previously reported. Furthermore, the mechanisms underlying the progression of adult MMD have not been elucidated yet. CASE REPORT: A transient ischemic attack occurred in a 46-year-old woman, owing to progressive MMD. Magnetic resonance (MR) angiography performed 7 years before the diagnosis of MMD did not detect any steno-occlusive changes in the major intracranial vessels, including the internal carotid artery (ICA) and the middle cerebral artery (MCA)...
January 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/27754130/os-25-05-mas1-receptor-deficiency-does-not-deteriorate-cognitive-function-in-vascular-dementia-model-of-mice
#19
Akinori Higaki, Masaki Mogi, Jun Iwanami, Li-Juan Min, Hirotomo Nakaoka, Bao-Shuai Shan, Masayoshi Kukida, Toshihiro Yamauchi, Takafumi Okura, Jitsuo Higaki, Masatsugu Horiuchi
OBJECTIVE: Classical renin-angiotensin system (RAS) is mainly known as angiotensin (Ang) converting enzyme (ACE)/Ang II/Ang type 1 (AT1) receptor axis which induces various organ damages including cognitive decline. On the other hand, ACE2/Ang-(1-7)/Mas axis has been known to exert antagonistic actions against the classical RAS axis in cardiovascular system. However, the roles of ACE2/Ang-(1-7)/Mas axis in cognitive function remain to be elucidated. Here, we examined possible roles of ACE2/Ang-(1-7)/Mas axis in cognitive function in vascular dementia model...
September 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27754070/os-18-02-antihypertensive-treatment-and-risk-of-brain-ischemia-due-to-carotid-stenosis-in-a-survey-of-hospitalised-patients-aged-90-years-and-older
#20
Jürgen Bohlender, Jürg Nussberger, Beate Bohlender
OBJECTIVE: In elderly hypertensive patients, systolic blood pressure (sBP) goals recommended by US and European guidelines (ESH) for the initiation of treatment are more liberal than in younger patients because of an increased risk of treatment-associated side-effects and hypotension. Carotid stenosis increases with age and poses a risk of brain ischemia if hypotension occurs. Its relevance for the routine care of elderly hypertensives, however, remains unclear. We analyzed data on precerebral artery morphology and BP evolution from a survey of aged hospitalized patients...
September 2016: Journal of Hypertension
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