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https://www.readbyqxmd.com/read/29788812/a-novel-technique-to-visualize-true-lumen-in-endovascular-treatment-of-the-occlusive-carotid-dissection-and-the-usefulness-of-external-internal-carotid-collateral-channel
#1
Keiji Murata, Shigeru Yamauchi, Yuta Kaneshiro, Yumiko Urano, Keishi Yamagata, Toshihiro Takami
Background Dissection of the internal carotid artery (ICA) can cause occlusion or severe stenosis and is known to be one of the major causes of ischemic stroke in the young. Endovascular treatment is one of the useful options for carotid dissections, but passing the guidewire through the occlusion (lesion-cross) and confirmation of the true lumen are sometimes difficult. Case presentation A 40-year-old right-handed man complaining of dysarthria and gait disturbance consulted our hospital. Magnetic resonance imaging and angiography revealed right ICA dissection...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29780728/intimal-re-layering-technique-for-type-a-acute-aortic-dissection-reconstructing-the-intimal-layer-continuity-to-induce-remodeling-of-the-false-channel
#2
Eugenio Neri, Enrico Tucci, Giulio Tommasino, Giulia Guaccio, Carmelo Ricci, Pierleone Lucatelli, Marco Cini, Roberto Ceresa, Antonio Benvenuti, Luigi Muzzi
Background: Residual false channel is common after repair of type A acute aortic dissection (TAAAD). Starting from our recent series of TAAAD patients we carried out a retrospective analysis, regarding the failure of primary exclusion at the time of the initial operation. We classified the location of the principal entry tears perfusing the residual false channel. The proposed technique represents our attempt to correct the mechanism of false channel perfusion during primary repair. We describe a new technique designed to address some limitations of standard hemiarch aortic replacement...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29778597/microsurgical-clipping-of-ruptured-anterosuperior-projecting-anterior-communicating-artery-aneurysms-how-i-do-it
#3
Feng Xu, Nicholas C Bambakidis
In anterosuperior-projecting anterior communicating artery (ACoA) aneurysms, the aneurysm dome usually adheres to one or both proximal A2 segment, which may present technical difficulties. This video demonstrates microsurgical clipping of a ruptured anterosuperior-projecting AComA aneurysm. A 52-year-old male presented with a Hunt-Hess grade II subarachnoid hemorrhage (SAH). Computed tomography showed SAH in the basal cisterns, sylvian and interhemispheric fissures. Angiography demonstrated a wide-necked AComA aneurysm projecting anterosuperiorly...
May 17, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29775148/the-pterygoclival-ligament-a-novel-landmark-for-localization-of-the-internal-carotid-artery-during-the-endoscopic-endonasal-approach
#4
Ali Tayebi Meybodi, Andrew S Little, Vera Vigo, Arnau Benet, Sofia Kakaizada, Michael T Lawton
OBJECTIVE The transpterygoid extension of the endoscopic endonasal approach provides exposure of the petrous apex, Meckel's cave, paraclival area, and the infratemporal fossa. Safe and efficient localization of the lacerum segment of the internal carotid artery (ICA) is a crucial part of such exposure. The aim of this study is to introduce a novel landmark for localization of the lacerum ICA. METHODS Ten cadaveric heads were prepared for transnasal endoscopic dissection. The floor of the sphenoid sinus was drilled to expose an extension of the pharyngobasilar fascia between the sphenoid floor and the pterygoid process (the pterygoclival ligament)...
May 18, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29774196/common-carotid-artery-dissection-in-multiple-extracranial-injury-a-case-report
#5
Jin Sang Kil, Mi Kyung Lee, Ki Seong Eom
Traumatic common carotid artery dissection (CCAD) is rare. To our knowledge, only 14 case reports have described traumatic CCAD previously. Here, we report a case of CCAD in a patient with severe trauma. A 50-year-old man was lying on the road after drinking alcohol when a car drove over him. Computed tomography (CT) revealed multiple rib fractures with hemopneumothorax, lung contusion, flail chest, large amount of hematoma with bladder rupture, and fractures on the C6 spinous process, sacral ala, iliac bone, and pubic ramus...
April 2018: Korean Journal of Neurotrauma
https://www.readbyqxmd.com/read/29765829/injury-of-the-carotid-artery-during-endoscopic-endonasal-surgery-surveys-of-skull-base-surgeons
#6
Nicholas R Rowan, Meghan T Turner, Benita Valappil, Juan C Fernandez-Miranda, Eric W Wang, Paul A Gardner, Carl H Snyderman
Objectives  This study aimed to review endoscopic skull base surgeon experience with internal carotid artery (ICA) injuries during endoscopic endonasal surgery (EES) to provide an estimate of the incidence of ICA injury, the associated factors and identify the best training modalities for the management of this complication. Design  Anonymous electronic survey of past participants at a well-established endoscopic skull base surgery course and a global online community of skull base surgeons. Main Outcome Measures  Relative incidence of ICA injuries during EES, associated anatomic and intraoperative factors, and surgeon experience...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29765821/potential-surgical-exposure-of-the-parapharyngeal-internal-carotid-artery-by-endonasal-transoral-and-transcervical-approaches
#7
Kangsadarn Tanjararak, Smita Upadhyay, Thanakorn Thiensri, Jun Muto, Boonsam Roongpuvapaht, Daniel M Prevedello, Ricardo L Carrau
Objectives  Endoscopic and endoscopic-assisted approaches to the parapharyngeal space have been reported; however, their potential for vascular exposure has not been previously assessed. This study aims to compare the potential exposure and control of the parapharyngeal internal carotid artery (ppICA) via various approaches. Design and Main Outcome Measures  Ten cadaveric specimens were dissected bilaterally, exposing the ppICA via endonasal, transoral, and transcervical approaches. Length of the exposed vessel and potential control were assessed (feasibility and time required to place an encircling suture)...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29765820/a-comparative-analysis-of-endoscopic-assisted-transoral-and-transnasal-approaches-to-parapharyngeal-space-a-cadaveric-study
#8
Xicai Sun, Bo Yan, Huy Q Truong, Hamid Borghei-Razavi, Carl H Snyderman, Juan C Fernandez-Miranda
Background  Surgical resection of parapharyngeal space (PPS) tumors is very challenging. An endoscopic-assisted surgical approach to this region requires detailed and precise anatomic knowledge. The main purpose of this study is to describe and compare the detailed anatomy of the PPS via transnasal transpterygoid (TP) and endoscopic-assisted transoral (TO) approaches. Materials and Methods  Six fresh injected cadaver heads (12 sides) were prepared for dissection of the PPS via TP and TO approaches. Computed tomography (CT) with image-based navigation (Navigation System II; Stryker, Kalamazoo, Michigan, United States) was used to identify bony structures around the PPS...
June 2018: Journal of Neurological Surgery. Part B, Skull Base
https://www.readbyqxmd.com/read/29764015/-treatment-and-prognosis-of-264-patients-with-hypopharyngeal-carcinoma
#9
W Xu, Z H Lyu, N Sa, J K Ma, J J Tian, S H Feng, P Cui, H Y Cao
Objective: To investigate the key factors influencing the prognosis of hypopharyngeal carcinoma and the therapeutic methods improving the efficacy of treatments for hypopharyngeal carcinoma. Methods: Two hundred and sixty-four cases of hypopharyngeal squamous cell carcinoma treated from May 2010 to May 2015 were analyzed retrospectively. There were 211 cases of pyriform sinus carcinoma, 37 cases of posterior pharyngeal wall carcinoma, and 16 cases of postcricoid carcinoma. According to UICC 2002 criteria, 2 cases were for stage Ⅰ, 14 for stage Ⅱ, 32 for stage Ⅲ and 216 for stage Ⅳ...
May 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29761077/anatomical-cadaver-study-of-endolaryngeal-vascularization-focus-on-the-glottis-supraglottis-and-subglottis-from-the-transoral-microsurgical-point-of-view
#10
Pietro Perotti, Marco Ferrari, Nausica Montalto, Davide Lancini, Alberto Paderno, Fabiola Incandela, Barbara Buffoli, Luigi Fabrizio Rodella, Cesare Piazza
Introduction: Carbon dioxide laser coagulation during transoral laser microsurgery (TLM) for laryngeal cancer allows control of bleeding from vessels smaller than 0.5 mm. Therefore, larger arteries and veins must be carefully managed by clipping and/or monopolar cautery. The aim of this paper is to detail endolaryngeal vascular anatomy and identify areas of possible bleeding during TLM. Methods: We performed an anatomical study on a series of 11 fresh-frozen human cadavers...
2018: Frontiers in Oncology
https://www.readbyqxmd.com/read/29759935/applied-anatomy-of-round-window-and-adjacent-structures-of-tympanum-related-to-cochlear-implantation
#11
Shraddha Jain, Sagar Gaurkar, Prasad T Deshmukh, Mohnish Khatri, Sanika Kalambe, Pooja Lakhotia, Deepshikha Chandravanshi, Ashish Disawal
INTRODUCTION: Various aspects of the round window anatomy and anatomy of posterior tympanum have relevant implications for designing cochlear implant electrodes and visualizing the round window through facial recess. Preoperative information about possible anatomical variations of the round window and its relationships to the adjacent neurovascular structures can help reduce complications in cochlear implant surgery. OBJECTIVE: The present study was undertaken to assess the common variations in round window anatomy and the relationships to structures of the tympanum that may be relevant for cochlear implant surgery...
April 19, 2018: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29753622/acute-ischemic-dissection-of-an-s-shaped-carotid-artery-the-one-stop-value-of-using-a-detachable-solitaire-ab-stent
#12
Hongchao Shi, Jiankang Hou, Wanyin Shi, Jianping Gu
This study aimed to evaluate the efficacy and safety of endovascular repair using detachable Solitaire AB stents for acute ischemic dissection of "S"-shaped carotid arteries. From May 2015 to December 2016, a total of 127 patients with acute ischemic stroke (AIS) underwent endovascular treatment in our center. Among them, five AISs were due to acute dissection of an "S"-shaped carotid artery. Coexisting carotid embolism was identified in all five patients, who first underwent successful Solitaire AB stent-based retrieval of the embolism...
May 9, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29750927/frozen-elephant-trunk-for-acute-type-b-dissection-involving-the-distal-arch-in-the-hybrid-repair-era
#13
Rui-Dong Qi, Jun-Ming Zhu, Yong-Min Liu, Lei Chen, Cheng-Nan Li, Xiao-Yan Xing, Nan Zhang, Li-Zhong Sun
BACKGROUND: Hybrid repair of complicated acute type B aortic dissection(ATBAD) with aortic arch involvement is associated with a high rate of endoleak, stroke, and retrograde aortic dissection. Optimal management of this lesion remains uncertain. In this hybrid repair era, surgical results of ATBAD with distal aortic arch involvement using a frozen elephant trunk(FET) procedure with left subclavian artery(LSCA)-left common carotid artery(LCCA) transposition is reported. METHODS: From April 2011 to April 2016, 53 patients with complicated ATBAD with distal aortic arch involvement underwent a FET procedure with LSCA-LCCA transposition...
May 8, 2018: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/29747261/-significance-of-the-definition-and-detailing-of-the-central-neck-compartment-in-the-treatment-of-thyroid-carcinoma
#14
J Wang, S Y Wang
The cervical lymph node metastasis is a risk factor for the high recurrence rate and low survival rate in patients with thyroid carcinoma (especially for age ≥45 years old), which is the most common head and neck carcinoma. The neck lymphatic metastasis, mostly occurring in the central neck compare, is diagnosed among 20%-90% of patients with differentiated thyroid carcinoma. To definite the anatomic boundaries of the central lymph nodes and their subgroups is significantly important for thyroid carcinoma, such as the determination of surgical extent, the evaluation of prognosis and the choice of different treatment strategies...
April 7, 2018: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke za Zhi, Chinese Journal of Otorhinolaryngology Head and Neck Surgery
https://www.readbyqxmd.com/read/29746515/variations-of-the-origin-of-superior-thyroid-artery-and-its-relationship-with-the-external-branch-of-superior-laryngeal-nerve
#15
Meselech Ambaw Dessie
INTRODUCTION: The superior thyroid artery, the main atrial supply of neck region, is branched from the external carotid artery as a first branch, but it may also arise from the common carotid artery and its bifurcation. The external branch of superior laryngeal nerve runs parallel to it and later crossing the artery either above or below the upper pole of the thyroid gland. OBJECTIVE: This study aimed at evaluating the variations of the origin of superior thyroid artery and its relationship with the external branch of the superior laryngeal nerve...
2018: PloS One
https://www.readbyqxmd.com/read/29744017/spontaneous-recanalization-after-carotid-artery-dissection-the-case-for-an-ultrasound-only-monitoring-strategy
#16
Sarah Lumsden, Gabor Rosta, Jean Bismuth, Alan B Lumsden, Zsolt Garami
Dissection of the internal carotid artery (ICA) accounts for 5% to 25% of ischemic strokes in young adults. We report a case of spontaneous recanalization of a traumatic ICA dissection in which carotid duplex (CDU) and transcranial color-coded duplex ultrasound (TCCD) were used. A 47-year-old male presented with intermittent episodes of headache, blurry vision, anisocoria, and loss of taste sensation following a whiplash injury while body surfing. Magnetic resonance angiogram (MRA) of the neck revealed absent flow in the cavernous ICA and a clot at the skull base...
October 2017: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/29743623/in-vivo-molecular-imaging-of-glutamate-carboxypeptidase-ii-expression-in-re-endothelialisation-after-percutaneous-balloon-denudation-in-a-rat-model
#17
Heike Endepols, Felix M Mottaghy, Sakine Simsekyilmaz, Jan Bucerius, Felix Vogt, Oliver Winz, Raphael Richarz, Philipp Krapf, Bernd Neumaier, Boris D Zlatopolskiy, Agnieszka Morgenroth
The short- and long-term success of intravascular stents depends on a proper re-endothelialisation after the intervention-induced endothelial denudation. The aim of this study was to evaluate the potential of in vivo molecular imaging of glutamate carboxypeptidase II (GCPII; identical with prostate-specific membrane antigen PSMA) expression as a marker of re-endothelialisation. Fifteen Sprague Dawley rats underwent unilateral balloon angioplasty of the common carotid artery (CCA). Positron emission tomography (PET) using the GCPII-targeting tracer [18 F]DCFPyL was performed after 5-21 days (scan 60-120 min post injection)...
May 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29740736/a-rare-case-of-life-threatening-traumatic-carotid-artery-dissection-in-a-child
#18
Fulya Kamit Can, Soysal Turhan, Ayse Berna Anil, Kadir Burhan Karadem, Onur Aras Isik
Penetrating injuries of the carotid and vertebral arteries are rare, but life-threatening conditions. There are still challenges in the first intervention management and patient treatment. Deciding which methods to apply in the first intervention, whether to perform imaging, and the preferred appropriate treatment for the patient (open surgery or endovascular intervention) plays a main role in the patient's survival without neurological deficit. The general management of trauma in penetrating neck injuries and the knowledge of special approaches to carotid artery injury are important for pediatric trauma centers...
May 8, 2018: General Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29726776/the-25th-anniversary-of-the-retrograde-suction-decompression-technique-dallas-technique-for-the-surgical-management-of-paraclinoid-aneurysms-historical-background-systematic-review-and-pooled-analysis-of-the-literature
#19
Bruno C Flores, Jonathan A White, H Hunt Batjer, Duke S Samson
OBJECTIVE Paraclinoid internal carotid artery (ICA) aneurysms frequently require temporary occlusion to facilitate safe clipping. Brisk retrograde flow through the ophthalmic artery and cavernous ICA branches make simple trapping inadequate to soften the aneurysm. The retrograde suction decompression (RSD), or Dallas RSD, technique was described in 1990 in an attempt to overcome some of those treatment limitations. A frequent criticism of the RSD technique is an allegedly high risk of cervical ICA dissection...
May 4, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/29725566/superficial-temporal-artery-middle-cerebral-artery-anastomosis-for-ischemic-stroke-due-to-dissection-of-the-intracranial-internal-carotid-artery-with-middle-cerebral-artery-extension
#20
Masashi Ikota, Gen Kusaka, Yuichi Tanaka
A 31-year-old man presented with a sudden-onset headache, right hemiparesis, and dysarthria on day 0 and was diagnosed with acute ischemic stroke due to dissection of the left intracranial internal carotid artery with middle cerebral artery extension. His symptoms progressed despite the institution of treatment, suggesting progression of the dissection. On day 5 after symptom onset, the patient underwent superficial temporal artery-middle cerebral artery anastomosis. No new ischemic stroke event occurred after surgery...
April 2018: NMC Case Report Journal
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