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Carotid artery surgery

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OBJECTIVERevascularization surgery is a safe and effective surgical treatment for symptomatic moyamoya disease (MMD) and has been shown to reduce the frequency of future ischemic events and improve quality of life in affected patients. The authors sought to investigate the occurrence of acute perioperative occlusion of the contralateral internal carotid artery (ICA) with contralateral stroke following revascularization surgery, a rare complication that has not been previously reported.METHODSThis study is a retrospective review of a prospective database of a single surgeon's series of revascularization operations in patients with MMD...
December 14, 2018: Journal of Neurosurgery
Linda J Wang, Emel A Ergul, Mark F Conrad, Mahmoud B Malas, Vikram S Kashyap, Philip P Goodney, Virendra I Patel, W Darrin Clouse
OBJECTIVE: Adding ipsilateral, proximal endovascular (IPE) intervention to carotid endarterectomy (CEA) for the treatment of tandem bifurcation and supra-aortic trunk disease is controversial. Some suggest that this combined strategy (CEA + IPE) confers no risk over isolated CEA (ICEA). Others disagree, reserving CEA + IPE for symptomatic patients. Using the Vascular Quality Initiative (VQI), this study assessed the effect of adding IPE to CEA on stroke and death risk. We further weighed CEA + IPE outcomes in the context of symptomatic status and Society for Vascular Surgery guidelines...
December 12, 2018: Journal of Vascular Surgery
L L Shi, H T Zhen
Objective: To explore the application and to evaluate the advantage of image navigation assisted nasal endoscopic surgery in optic nerve decompression. Method: Sixty patients accepted the image navigation assisted nasal endoscopic surgery therapy in optic nerve decompression were included in this retrospective study and followed up for about six months to four years. Result: The visual acuity was improved in 16 cases with visual acuity above light. One case is 10 cm index, two cases are 40 cm index, one case is 70 cm index, the visual acuity of rest 12 cases was between 0...
December 2018: Journal of Clinical Otorhinolaryngology, Head, and Neck Surgery
Yu Wang, Li Li, Tianlong Wang, Lei Zhao, Hua Feng, Qian Wang, Long Fan, Xuexin Feng, Wei Xiao, Kunpeng Feng
There has been no gold standard for intraoperative monitoring in carotid endarterectomy (CEA) till now. The purpose of the current study was to investigate the value of near-infrared spectroscopy (NIRS) monitoring in CEA and explore the thresholds for intraoperative cerebral hypoperfusion. Eighty-four consecutive patients who underwent CEA surgery in Xuan Wu Hospital of Capital Medical University from August 2015 to June 2016 were enrolled in this study. All patients were intraoperatively monitored by transcranial Doppler ultrasonography (TCD) and NIRS...
December 14, 2018: Cell Transplantation
Karolina Dorobisz, Tadeusz Dorobisz, Dariusz Janczak, Tomasz Krecicki
Stenosis of arteries that supplies blood to the brain is one of the main causes of ischemic stroke which is the third most common cause of deaths in Europe. Atherosclerosis of carotid and vertebral arteries is responsible for 20% of the ischemic stroke cases. Stenosis may be either asymptomatic or manifested with typical neurological symptoms including motor and sensory disturbances as well as disturbances in vision and speech. However, discrete non-specific symptoms of ischemia, including headaches and vertigo, tinnitus and hearing loss, are also quite common...
December 12, 2018: Acta Neurologica Belgica
Vasileios Rafailidis, Konstantinos Notas, Evangelos Destanis, Konstantinos Kouskouras, Ioannis Chryssogonidis, Chrysostomos Xerras, Afroditi Charitanti-Kouridou, Thomas Tegos
BACKGROUND: Carotid dissection is a rare disease, mainly affecting young and middle-aged patients potentially ending up in stroke. Multimodality imaging plays an essential role, both in terms of prompt and accurate diagnosis and follow-up of this entity. PATIENTS AND METHODS: We herein present a case series of patients with internal carotid artery dissection and compare the various imaging findings of ultrasonography, multidetector computed tomography angiography and magnetic resonance angiography, with a purpose to illustrate the value of multimodality imaging in the diagnosis of carotid dissection...
December 12, 2018: VASA. Zeitschrift Für Gefässkrankheiten
A N Vachev, O V Dmitriev, M Yu Stepanov, E V Frolova
The authors examined efficacy of carotid endarterectomy (CEA) in treatment of patients suffering from vertebrobasilar insufficiency (VBI) without significant involvement of the vertebral arteries. The study included a total of 297 patients with VBI and diagnosed as having stenosis of the bifurcation of the carotid arteries amounting to 70% and more, with no significant involvement of the vertebral arteries revealed. All patients underwent CEA: eversion CEA was performed in 226 (76.1%) cases and the classical one in 71 (23...
2018: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
R S Tarasov, A N Kazantsev, N N Burkov, A I Anufriyev, Ye Ya Yakhnis, K I Grachev, A R Shabayev, A V Mironov, L S Barbarash
AIM: To compare in-hospital outcomes of carotid endarterectomy (CEE) in patients with different lesion of contralateral internal carotid artery (ICA). MATERIAL AND METHODS: There were 730 CEE procedures in patients with bilateral ICA lesion for the period 2011-2016. All patients were divided into 4 groups depending on contralateral ICA stenosis grade: group 1 - stenosis up to 60% (42.6%, n=311); group 2 - 60-90% (18.7%, n=137); group 3 - 90-99% (25.9%, n=189); group 4 - occlusion (12...
2018: Khirurgiia
Soraya L Voigt, Muath Bishawi, David Ranney, Babatunde Yerokun, Richard L McCann, G Chad Hughes
BACKGROUND: Subclavian artery revascularization is frequently performed in the setting of thoracic endovascular aortic repair (TEVAR). However, there is little information on the short- and long-term outcomes of patients undergoing carotid to subclavian artery bypass in this clinical setting. As such, this study sought to define the early and late outcomes associated with this procedure. METHODS: Patients undergoing carotid-subclavian bypass in conjunction with TEVAR between June 2005 and September 2016 were retrospectively identified from a prospectively maintained, single-center aortic surgery database...
October 24, 2018: Journal of Vascular Surgery
Kok Ann Colin Teo, Tseng Tsai Yeo, Vijay K Sharma
No abstract text is available yet for this article.
December 4, 2018: Clinical Neurology and Neurosurgery
Mujgan Tek, Mehmet Serkan Çetin, Erdem Diker, Savaş Çelebi, Basri Amasyali, Berkten Berkalp
BACKGROUND: Platelet to lymphocyte ratio (PLR) has been demonstrated as an risk and prognostic marker in many of cardiovascular diseases. Relationship between PLR and severity of carotid stenosis has been shown. The aim of our study was to investigate the relationship between PLR and all cause mortality in patients with carotid arterial disease. METODS: This retrospective study included 146 patients who had been performed selective carotid angiography. Carotid stenosis were graded by the North American Symptomatic Carotid Endarterectomy Trial (NASCET) criteria...
December 1, 2018: Romanian Journal of Internal Medicine, Revue Roumaine de Médecine Interne
Anna Solini, Marta Seghieri, Eleonora Santini, Livia Giannini, Edoardo Biancalana, Stefano Taddei, Duccio Volterrani, Rosa Maria Bruno
OBJECTIVE: Bariatric surgery may ameliorate renal function through vascular mechanisms. This study tested surgery's ability to improve measured glomerular filtration rate (mGFR) and identified clinical, renal, and systemic vascular predictors of such improvement. METHODS: Twenty-five nondiabetic subjects with severe obesity were studied before and 1 year after Roux-en-Y gastric bypass, evaluating mGFR and renal plasma flow, basal renal resistive index (RI) and dynamic renal RI, renal visceral fat, and systemic vascular parameters, including flow-mediated dilation, aortic pulse wave velocity, and carotid intima media thickness and stiffness...
December 5, 2018: Obesity
Jing Liu, Yibo Qin, Yifan Wu, Zhiting Sun, Binhan Li, Huimin Jing, Chuangnian Zhang, Chen Li, Xigang Leng, Zhihong Wang, Deling Kong
Small diameter vascular grafts have been promising substitutes for bypass surgery to treat cardiovascular disease. However, no ideal product is available in the clinic. In order to design improved, next generation vascular grafts, it is essential to understand the cellular and molecular mechanisms underlying tissue regeneration after vascular graft implantation. Two diverse microenvironments, circulating blood and the surrounding tissue, are involved in the regeneration process after vascular graft implantation in situ...
December 4, 2018: Biomaterials Science
Idit Avrahami, Dafna Raz, Oranit Bash
The carotid bifurcation tends to develop atherosclerotic stenoses which might interfere with cerebral blood supply. In cases of arterial blockage, the common clinical solution is to remove the plaque via carotid endarterectomy (CEA) surgery. Artery closure after surgery using primary closures along the cutting edge might lead to artery narrowing and restrict blood flow. An alternative approach is patch angioplasty which takes longer time and leads to more during-surgery complications. The present study uses numerical methods with fluid-structure interaction (FSI) to explore and compare the two solutions in terms of hemodynamics and stress and strain fields developed in the artery wall...
2018: Computational and Mathematical Methods in Medicine
Manraj K S Heran, Nikita Balaji, Richard C Cook
We present the first known application of pre-operative percutaneous management of cerebral malperfusion in a patient with acute near-total occlusion of the right common carotid artery with left hemiplegia complicating an acute Stanford Type A aortic (Type A) dissection.
November 30, 2018: Annals of Thoracic Surgery
Rosa M Mirapeix, Marc Tobed Secall, Carlos Pollán Guisasola, Jacinto Garcia Lorenzo, Jordi Lluansí Planella, Constanza Viña Soria, Mar Palau Viarnès, David Virós Porcuna
INTRODUCTION: Minimally invasive transoral surgery for oropharyngeal cancer is a challenge for head and neck surgeons because of the inside-out anatomic presentation and the confined workspace. This study was performed to describe the main neurovascular and muscular landmarks in a transoral approach. The authors propose an anatomic stratification for this surgery. MATERIALS AND METHODS: Lateral wall of the oropharynx and base of the tongue of 15 formalin-fixed heads (30 sides) and 5 fresh cadaveric heads (10 sides) sagittal sectioned were dissected from the inside outwards...
November 30, 2018: Journal of Craniofacial Surgery
Michael A Kohanski, James N Palmer, Nithin D Adappa
PURPOSE OF REVIEW: Lesions of the petrous apex of the temporal bone can be challenging to access and approaches laterally through the mastoid as well as medially through an endonasal approach are utilized to access this region while preserving function of adjacent structures. Cholesterol granulomas of the petrous apex requiring surgery are marsupialized to prevent expansion of the inflamed cyst and relieve associated clinical symptoms. The endonasal approach to the petrous apex has in the past been limited to lesions medial to the internal carotid artery...
November 30, 2018: Current Opinion in Otolaryngology & Head and Neck Surgery
Dimitri Tsialtas, Maria Giulia Bolognesi, Stephania Assimopoulos, Riccardo Volpi, Roberto Bolognesi
BACKGROUND: We aimed to depict the electrocardiographic and echocardiographic aspects in patients before elective major vascular surgery. METHODS: We evaluated through standard 12 lead electrocardiography and transthoracic echocardiography 469 patients with asymptomatic large abdominal aortic aneurysm (AAA), 334 with critical carotid stenosis (CAS), and 238 with advanced peripheral artery disease (PAD) before surgical revascularization. RESULTS: Patients with AAA were predominantly males (p < ...
December 3, 2018: Acta Cardiologica
Dongheon Lee, Hyoun-Joong Kong, Donguk Kim, Jin Wook Yi, Young Jun Chai, Kyu Eun Lee, Hee Chan Kim
Purpose: Increased robotic surgery is attended by increased reports of complications, largely due to limited operative view and lack of tactile sense. These kinds of obstacles, which seldom occur in open surgery, are challenging for beginner surgeons. To enhance robotic surgery safety, we created an augmented reality (AR) model of the organs around the thyroid glands, and tested the AR model applicability in robotic thyroidectomy. Methods: We created AR images of the thyroid gland, common carotid arteries, trachea, and esophagus using preoperative CT images of a thyroid carcinoma patient...
December 2018: Annals of Surgical Treatment and Research
Yuxin Guo, Maria Cui-Ying Pang, Constance Ee-Hoon Teo, Jack Kian Chng
BACKGROUND: Surgical management of advanced head and neck tumours involving the carotid artery remains controversial with compromised survival outcomes and heightened risks of morbidity and mortality. CASE: We describe a case of a 74-year-old lady with previous T1N0M0 left tongue squamous cell carcinoma (SCC), who developed a left nodal recurrence encasing the left external carotid artery from the carotid bifurcation. She underwent an extended left radical neck dissection with carotid artery patch plasty and remains well to date, 10-months post-surgery...
November 27, 2018: Annals of Vascular Surgery
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