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Stenosis carotid

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https://www.readbyqxmd.com/read/28429599/lipoprotein-associated-phospholipase-a2-and-risk-of-carotid-atherosclerosis-and-cardiovascular-events-in-community-based-older-adults-in-china
#1
Chunxiu Wang, Xianghua Fang, Yang Hua, Yutong Liu, Zhongying Zhang, Xiang Gu, Xiaoguang Wu, Zhe Tang, Shaochen Guan, Hongjun Liu, Beibei Liu, Xiuhai Guo, Xunming Ji
We explored the associations between lipoprotein-associated phospholipase A2 (Lp-PLA2) level and carotid atherosclerosis with all phenotypes and cardiovascular disease (CVD) events in Chinese older adults. A total of 1257 adults aged ≥55 years who were free of CVD were enrolled in this cohort study. Lipoprotein-associated phospholipase A2 level was evaluated in 3 categories: Lp-PLA2 < 175, 175≤ Lp-PLA2 < 223, and Lp-PLA2 ≥ 223 ng/mL. The highest level of Lp-PLA2 was independently associated with common carotid artery intima-media thickening (≥1...
January 1, 2017: Angiology
https://www.readbyqxmd.com/read/28427600/carotid-artery-stenting-investigation-of-plaque-protrusion-incidence-and-prognosis
#2
Masashi Kotsugi, Katsutoshi Takayama, Kaoru Myouchin, Takeshi Wada, Ichiro Nakagawa, Hiroyuki Nakagawa, Toshiaki Taoka, Shinichiro Kurokawa, Hiroyuki Nakase, Kimihiko Kichikawa
OBJECTIVES: This study sought to clarify the incidence and prognosis of PP in carotid artery stenting (CAS). BACKGROUND: Projections thought to be plaque may be observed inside the stent on angiography or intravascular ultrasound (IVUS) during CAS. Known as plaque protrusion (PP), the incidence and prognosis of this complication are unclear. METHODS: A total of 354 consecutive carotid atherosclerotic stenoses in 328 patients (285 men, 43 women; age range 51 to 97 years [mean age 73...
April 24, 2017: JACC. Cardiovascular Interventions
https://www.readbyqxmd.com/read/28424133/carotid-duplex-ultrasonography-additional-imaging-is-rarely-necessary-for-appropriate-treatment-planning-for-carotid-artery-disease
#3
Chad P Ammar, Stephen D Helmer, Alex D Ammar
This study was conducted to determine the utility of multiple imaging studies (CT angiography, magnetic resonance angiography, and/or conventional angiography), in addition to duplex ultrasonography (DU), in evaluating patients with carotid stenosis. A retrospective case series was conducted of patients with carotid stenosis who underwent DU alone or DU plus additional imaging. Concordance between DU and additional imaging and the effect on treatment plan was evaluated. Two hundred patients with carotid stenosis were evaluated...
April 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28420337/right-aortic-arch-analysis-anatomical-variant-or-serious-vascular-defect
#4
Agata Arazińska, Michał Polguj, Konrad Szymczyk, Magdalena Kaczmarska, Łukasz Trębiński, Ludomir Stefańczyk
BACKGROUND: The right-sided aortic arch (RAA) is a rare congenital defect of the aorta. The aim of the study was to assess the occurrence of RAA in diagnoses performed by the University Radiology Department and analyze the frequency of concomitant vascular abnormalities. METHODS: The database of the Radiology Department was retrospectively analyzed between January 2008 and May 2016 with the keyword "right aortic arch". Twenty patients with this diagnosis were identified from a total of 11,690 CT examinations of the chest area, 19,623 CT examinations of brain-supplying vessels, and 1863 MRI examinations of the heart and aortic arch or brain-supplying arteries...
April 19, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28417663/is-neck-dissection-associated-with-an-increased-risk-of-postoperative-stroke
#5
John D Cramer, Urjeet A Patel, Matthew B Maas, Sandeep Samant, Stephanie Shintani Smith
Objective Prior studies have reported widely disparate rates of postoperative stroke, with conflicting analyses of whether neck dissection is an independent risk factor. Study Design Cohort study. Setting American College of Surgeons National Surgical Quality Improvement Program from 2005 to 2013. Subjects and Methods We compared the 30-day rate of postoperative stroke between patients undergoing complete or modified radical neck dissection and a control cohort composed of those undergoing resections in the oral cavity, oropharynx, larynx, or hypopharynx without neck dissection...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28416412/successful-treatment-of-symptomatic-intracranial-carotid-artery-stenosis-using-a-24-mm-long-bare-metal-coronary-stent
#6
Azeem A Rehman, Ryan C Turner, Brandon P Lucke-Wold, SoHyun Boo
BACKGROUND: Intracranial arterial atherosclerosis represents a common cause of stroke. Despite aggressive and optimal medical management, many patients will unfortunately suffer additional cerebrovascular events. The role of endovascular intervention for intracranial atherosclerotic disease continues to be uncertain, particularly in regard to extensive, symptomatic stenosis. CASE DESCRIPTION: We present a case of a 42-year-old male with a complex medical history who presented with recurrent ischemic stroke in the ipsilateral hemisphere despite optimal medical management...
April 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28414666/just-a-puff-of-smoke
#7
A Leonard
CASE: A 44 year old woman with a history of stroke s/p aneurysm clipping, seizure, and substance abuse was brought to the hospital after a family member received a call from her friend saying she was acting unusual and may have had a seizure while hanging out on the street. At her baseline, she needed modest assistance in daily activities after her CVA and conversed without issue. Her mother died of a stroke. On exam the patient was afebrile, normotensive with mild tachycardia to 110...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28411747/the-impact-of-carotid-or-intracranial-atherosclerosis-on-perioperative-stroke-in-patients-undergoing-open-aortic-arch-surgery
#8
Ken-Ichi Imasaka, Eiki Tayama, Yukihiro Tomita
OBJECTIVES: This study aimed to clarify the impact of carotid or intracranial atherosclerosis on perioperative stroke in patients undergoing open aortic arch surgery. METHODS: Between 2008 and 2015, 200 consecutive patients underwent elective aortic arch surgery with selective antegrade cerebral perfusion and moderate hypothermic circulatory arrest. Nonselective screening for carotid or intracranial atherosclerosis was performed using carotid ultrasonography or magnetic resonance angiography...
May 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28411037/carotid-plaque-evaluation-using-gemstone-spectral-imaging-comparison-with-magnetic-resonance-angiography
#9
Yuki Shinohara, Makoto Sakamoto, Keita Kuya, Junichi Kishimoto, Eijiro Yamashita, Shinya Fujii, Masamichi Kurosaki, Toshihide Ogawa
BACKGROUND: The present study compared the applicability of computed tomography carotid plaque imaging using effective Z maps with gemstone spectral imaging (GSI) to that of magnetic resonance plaque imaging using 3-dimensional time-of-flight magnetic resonance angiography. METHODS: Stenosis was assessed in 18 carotid arteries of 14 patients, and the effective Z values of noncalcified carotid plaques were compared with the signal intensities of magnetic resonance angiography...
April 11, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28409735/quantitative-magnetic-resonance-angiography-as-a-potential-predictor-for-cerebral-hyperperfusion-syndrome-a-preliminary-study
#10
Lukas Andereggen, Sepideh Amin-Hanjani, Marwan El-Koussy, Rajeev K Verma, Kenya Yuki, Daniel Schoeni, Kety Hsieh, Jan Gralla, Gerhard Schroth, Juergen Beck, Andreas Raabe, Marcel Arnold, Michael Reinert, Robert H Andres
OBJECTIVE Cerebral hyperperfusion syndrome (CHS) is a rare but devastating complication of carotid endarterectomy (CEA). This study sought to determine whether quantitative hemodynamic assessment using MR angiography can stratify CHS risk. METHODS In this prospective trial, patients with internal carotid artery (ICA) stenosis were randomly selected for pre- and postoperative quantitative phase-contrast MR angiography (QMRA). Assessment was standardized according to a protocol and included Doppler/duplex sonography, MRI, and/or CT angiography and QMRA of the intra- and extracranial supplying arteries of the brain...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28400904/extensive-mobile-thrombus-of-the-internal-carotid-discovered-after-intravenous-thrombolysis-what-do-i-do-now
#11
Eugene L Scharf, Jennifer E Fugate, Sara E Hocker
This case report describes a rare presentation of ischemic stroke secondary to an extensive internal carotid artery thrombus, subsequent therapeutic dilemma, and clinical management. A 58-year-old man was administered intravenous (IV) thrombolysis for right middle cerebral artery territory ischemic stroke symptoms. A computed tomography angiogram of the head and neck following thrombolysis showed a longitudinally extensive internal carotid artery thrombus originating at the region of high-grade calcific stenosis...
April 2017: Neurohospitalist
https://www.readbyqxmd.com/read/28400487/vascular-anatomy-predicts-the-risk-of-cerebral-ischemia-in-patients-randomized-to-carotid-stenting-versus-endarterectomy
#12
Mandy D Müller, Frank J Ahlhelm, Alexander von Hessling, David Doig, Paul J Nederkoorn, Sumaira Macdonald, Philippe A Lyrer, Aad van der Lugt, Jeroen Hendrikse, Christoph Stippich, H Bart van der Worp, Toby Richards, Martin M Brown, Stefan T Engelter, Leo H Bonati
BACKGROUND AND PURPOSE: Complex vascular anatomy might increase the risk of procedural stroke during carotid artery stenting (CAS). Randomized controlled trial evidence that vascular anatomy should inform the choice between CAS and carotid endarterectomy (CEA) has been lacking. METHODS: One-hundred eighty-four patients with symptomatic internal carotid artery stenosis who were randomly assigned to CAS or CEA in the ICSS (International Carotid Stenting Study) underwent magnetic resonance (n=126) or computed tomographic angiography (n=58) at baseline and brain magnetic resonance imaging before and after treatment...
April 11, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28399892/effects-of-environmental-enrichment-on-white-matter-glial-responses-in-a-mouse-model-of-chronic-cerebral-hypoperfusion
#13
Yoshiki Hase, Lucinda Craggs, Mai Hase, William Stevenson, Janet Slade, Dianne Lopez, Rubin Mehta, Aiqing Chen, Di Liang, Arthur Oakley, Masafumi Ihara, Karen Horsburgh, Raj N Kalaria
BACKGROUND: This study was designed to explore the beneficial effects of environmental enrichment (EE) on white matter glial changes in a mouse model of chronic cerebral hypoperfusion induced by bilateral common carotid artery stenosis (BCAS). METHODS: A total of 74 wild-type male C57BL/6J mice underwent BCAS or sham surgery. One week after surgery, the mice were randomly assigned into three different groups having varied amounts of EE-standard housing with no EE conditions (std), limited exposure with 3 h EE a day (3 h) and full-time exposure to EE (full) for 12 weeks...
April 11, 2017: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/28397443/an-evaluation-of-dual-source-computed-tomography-used-with-the-de-weert-classification-to-detect-vulnerable-plaque-using-ivus-virtual-histology-as-a-standard-of-reference
#14
Bartosz Dołęga-Kozierowski, Piotr Klimeczek, Michał Lis, Róża Krycińska, Anna Chrapusta, Urszula Zaleska-Dorobisz, Jerzy Garcarek, Wojciech Witkiewicz
BACKGROUND: One of the main risk factors for cerebral ischemic events is atherosclerotic disease of the internal carotid artery (ICA). Nowadays, increasing attention is being paid to the relationship between the morphological features of atherosclerotic plaque and the occurrence of stroke. Several studies have demonstrated that the presence of specific vulnerable plaque types, with a large lipid core and thin fibrous cap, can be used as an independent risk predictor of cerebral ischemic events...
January 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28395497/-assessment-and-surgical-treatment-for-58-substernal-goiter
#15
X Zhu, Z C Huang, X Feng, F Tao
Objective: To investigate the diagnosis and treatment of substernal goiter. Methods: A total of 58 cases with substernal goiters undergoing surgery between January 2005 and December 2015 were analysed retrospectively. There were 10 males and 48 females and their age ranged from 38 to 82 years with a median age of 58 years. According to enhanced CT and clinical signs of substernal goiters, there were 40 cases for typeⅠ, 17 cases for type Ⅱ, and 1 case for type Ⅲ. Results: Patients with typeⅠand Ⅱ substernal goiters (8 cases of papillary carcinoma) underwent low neck and collar-type incision, and patients with type Ⅲ substernal goiters received carotid chest surgery...
March 7, 2017: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/28394756/progression-of-cerebral-white-matter-hyperintensities-and-the-associated-sonographic-index
#16
Woo-Jin Lee, Keun-Hwa Jung, Young Jin Ryu, Keon-Joo Lee, Jeong-Min Kim, Soon-Tae Lee, Kon Chu, Manho Kim, Sang Kun Lee, Jae-Kyu Roh
Purpose To evaluate the relationship between penetrating arterial pulsation and the progression of white matter hyperintensities (WMHs) by using the sonographic resistance index (RI) along the M1 segment of the middle cerebral artery (MCA). Materials and Methods The study design was approved by the institutional review board of Seoul National University Hospital. The study included 450 individuals who had undergone initial transcranial Doppler (TCD) sonography and magnetic resonance imaging, with follow-up imaging performed within 34-45 months, and who had no stenosis of 30% or more in the internal carotid artery or MCA or a history of stroke other than an old lacunar infarction...
April 10, 2017: Radiology
https://www.readbyqxmd.com/read/28393772/carotid-artery-disease-and-periprocedural-stroke-risk-after-transcatheter-aortic-valve-implantation
#17
Parthasarathy D Thirumala, Sruthi Muluk, Reshmi Udesh, Amol Mehta, John Schindler, Suresh Mulukutla, Vinodh Jeevanantham, Lawrence Wechsler, Thomas Gleason
OBJECTIVE/BACKGROUND: To examine the role of carotid stenosis (CS) and other independent risk factors of perioperative stroke, following transcatheter aortic valve implantation (TAVI). MATERIALS AND METHODS: Using data from the National Inpatient Sample database for analysis, patients who underwent TAVI were identified using the International Classification of Diseases, Ninth Revision, Clinical Modification codes. Various preoperative and perioperative risk factors and their association with perioperative strokes were studied...
April 2017: Annals of Cardiac Anaesthesia
https://www.readbyqxmd.com/read/28392053/factors-affecting-cardiovascular-and-cerebrovascular-complications-of-carotid-artery-stenting-in-northern-michigan-a-retrospective-study
#18
Dalia F Mammo, Chin-I Cheng, Neli P Ragina, Firas Alani
BACKGROUND: This study seeks to identify factors associated with periprocedural complications of carotid artery stenting (CAS) to best understand CAS complication rates and optimize patient outcomes. Periprocedural complications include major adverse cardiovascular and cerebrovascular events (MACCE) that include myocardial infarction (MI), stroke, or death. METHODS: We retrospectively analyzed 181 patients from Northern Michigan who underwent CAS. Rates of stroke, MI, and death occurring within 30days post-procedure were examined...
March 24, 2017: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28390773/common-carotid-artery-end-diastolic-velocity-and-acceleration-time-can-predict-degree-of-internal-carotid-artery-stenosis
#19
David S Strosberg, Mounir J Haurani, Bhagwan Satiani, Michael R Go
OBJECTIVE: Whereas duplex ultrasound parameters for predicting internal carotid artery (ICA) stenosis are well defined, the use of common carotid artery (CCA) Doppler characteristics to predict ICA stenosis when the ICA cannot be insonated directly or accurately because of anatomy, calcification, or tortuosity has not been studied. The objective of this study was to identify CCA Doppler parameters that may predict ICA stenosis. METHODS: We reviewed all patients at our institution who underwent carotid duplex ultrasound (CDU) from 2008 to 2015 and also had a comparison computed tomography, magnetic resonance, or catheter angiogram...
April 5, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28389293/smoking-cessation-counseling-improves-quality-of-care-and-surgical-outcomes-with-financial-gain-for-a-vascular-practice
#20
D A Moses, J H Mehaffey, D V Strider, M C Tracci, J A Kern, G R Upchurch
BACKGROUND: Cigarette smoking is strongly associated with atherosclerotic disease. It is incumbent upon vascular surgeons to provide smoking cessation counseling to their patients. The objective of this study was to determine the association of smoking cessation counseling (SCC) and improvement in quality of care. METHODS: As a quality project using retrospective data, the study received IRB exemption status. A retrospective review of prospectively maintained database from April 2014 through March 2015 of outpatient encounters in a vascular surgery clinic was performed of current smokers...
April 4, 2017: Annals of Vascular Surgery
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