Relevant bibliographies by topics / Artère carotide externe

Academic literature on the topic 'Artère carotide externe'

Author: Grafiati
Published: 7 July 2024
Last updated: 7 July 2024

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Journal articles on the topic "Artère carotide externe":

1

Ankolekar, Vrinda Hari, Anne D. Souza, Mamatha Hosapatna, and Amoldeep Singh. "BRANCHES OF EXTERNAL CAROTID ARTERY: A DESCRIPTIVE STUDY." International Journal of Anatomy and Research 6, no. 3.2 (August 10, 2018): 5504–7. http://dx.doi.org/10.16965/ijar.2018.257.

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2

S., Naveen Kumar, and Naveen Kumar K. "Variations in Branching Pattern of External Carotid Artery." Indian Journal of Anatomy 7, no. 5 (2018): 515–17. http://dx.doi.org/10.21088/ija.2320.0022.7518.9.

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3

Gavrilidou, P., D. M. Iliescu, R. Baz, and P. Bordei. "Morphological characteristics of the external carotid artery." ARS Medica Tomitana 19, no. 2 (May 1, 2013): 74–78. http://dx.doi.org/10.2478/arsm-2013-0013.

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Abstract The morphological characteristics at the level of the bifurcation of the common carotid artery were studied on 46 cases, finding that the most frequent, in 52.17% of cases, the common carotid bifurcation appear as the letter “V”, with two possible variations: a wide “V”, in 43.48% of cases and narrow “V” in 8.7% of cases. In 30.43% of cases, the two carotids showed an ascending traject, united for 1-2 cm up to their crossing; in 13,04% of the cases the two arteries were superimposed, the external located anteriorly. In only in two cases on the right side (4.35% of cases and 8.33% of right samples) we found a peculiar aspect of a “U” shaped bifurcation. Regarding the caliber of the external carotid artery, we found that in 43.33% of the cases the external carotid artery had a similar diameter to the internal carotid, also in 43.33% of the external carotid artery have a higher caliber than internal one and the remaining 13.33% of the cases, the external carotid artery had a smaller diameter than the internal one, with all cases on the left (16.67% of left carotid arteries). The caliber of the right external carotid artery was between 4 to 5.6 mm and the one of the left was between 3.6 to 5 mm. When the external carotid was more voluminous than the internal, the differences were 0.5 to 1.2 mm and when the internal carotid was more voluminous than the external, the differences were smaller, 0.2 to 0.8 mm. In relation to the common carotid, the external carotid had a smaller caliber from 0.6 to 1.1 mm. Regarding the external carotid traject, most commonly, from the bifurcation of the common carotid, the external carotid artery showed a vertical trajectory, in 50% of cases; in 40% of cases, the traject was oblique superomedially and in 6.67% of cases the external carotid artery described a curve with the convexity facing laterally, with all cases on the right (11.76% of right carotid arteries); in 3.33% of cases, both on the left (7.69% of the left carotid arteries), the external carotid artery traject described an inverted italic “S”
4

Sonu and Sunita Kalra. "AN UNDOCUMENTED RARE BRANCHING PATTERN OF EXTERNAL CAROTID ARTERY." International Journal of Anatomy and Research 8, no. 4.1 (November 10, 2020): 7767–70. http://dx.doi.org/10.16965/ijar.2020.211.

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The external carotid arterial system supplies the areas of head and neck region. The knowledge of possible anatomical variations occurring in branching pattern of external carotid artery is crucial especially in the surgeries of head, neck and face; as well as for interpretation of radiological investigations like angiograms. During routine dissection of head and region for undergraduate students we discovered common trunk for lingual, facial and ascending pharyngeal arteries. Also, the occipital artery is arising just before the common trunk from the external carotid artery. KEY WORDS: External carotid artery, branches, common trunk, occipital artery.
5

N, Esakkiammal, Renu Chauhan, and Rakhee Sharma. "CLINICAL IMPLICATIONS OF VARIABLE ORIGIN OF EXTERNAL CAROTID ARTERY BRANCHES AND HIGH LEVEL BIFURCATION OF COMMON CAROTID ARTERY." International Journal of Anatomy and Research 5, no. 2.3 (June 30, 2017): 3958–63. http://dx.doi.org/10.16965/ijar.2017.228.

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6

Billakanti, Prakash B. "ANOMALOUS ORIGIN OF OCCIPITOAURICULAR TRUNK FROM EXTERNAL CAROTID ARTERY. Origen anomalo del tronco occipito-auricular de la arteria carotida externa." Revista Argentina de Anatomía Clínica 3, no. 2 (March 28, 2016): 106–9. http://dx.doi.org/10.31051/1852.8023.v3.n2.13927.

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Las anomalías en el origen y patrón de ramificación de la arteria carótida externa (ACE) son comunes. El nivel de la bifurcación de la arteria carótida común (ACC) y las variaciones en el origen / patrón de ramificación de la arteria carótida externa están bien documentados. En el hallazgo de las arterias occipitales y posteriores surgían de un corto tronco común de la ACE en el lado izquierdo. El conocimiento de las variaciones en el origen y curso de las ramas de la ACE son de suma importancia en la cirugía. Los cirujanos deben ser conscientes de la posibilidad de encontrar estas variaciones, ya que pueden conducir a dificultades en la distinción de las ramas de la arteria carótida externa. Este conocimiento es también importante para los radiólogos en la interpretación de las imágenes de las regiones de la cara y el cuello. Anomalies in the origin and branching pattern of the external carotid artery (ECA) are common. The level of the bifurcation of the common carotid artery (CCA) and the variations in the origin/branching pattern of the external carotid artery are well documented. In the present finding occipital and posterior auricular arteries were arising by a short common trunk from ECA on the left side. Knowledge of variations in the origin and course of branches of ECA is of importance in surgery. Surgeons need to be aware of the possibility of encountering such variations, as they may lead to difficulties in differentiating the branches of external carotid artery. This knowledge is also important for radiologists in the image interpretation of the face and neck regions.
7

Mukhia, Rajeev. "Anatomical Variations in the Branches of External Carotid Artery in Cadavers of Nepalese Origin." Journal of Human Anatomy 4, no. 1 (January 7, 2020): 1–6. http://dx.doi.org/10.23880/jhua-16000144.

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Introduction: Knowledge of the position and the variations of the external carotid artery and its branches are essential for faciomaxillary surgery and surgeries of the neck. The variations in the branching pattern are also essential to avoid complications with catheter insertion of carotid arteries in various procedures and pre-operative angiography. The external carotid artery is an important route for administration of anticancer drugs for head and neck cancer, so the knowledge of anatomy of branching pattern of external carotid artery is clinically important. Materials and Methods: Total 30 external carotid arteries were included in the present study. The dissection of the external carotid artery was carried in the dissection hall of the Anatomy Department, Manipal College of Medical Sciences. When all the branches and course of the external carotid artery was visible, variations was noted. The length of artery was measured with the help of thread, scale and vernier calliper. All the data were analyzed with Microsoft Excel 2007 software and represented as mean and standard deviation. Results: Average length of the external carotid artery from its origin by bifurcation of the common carotid artery to its termination is 8.1 cm on the right side and 8.0 cm on the left side. 40 % of the external carotid artery shows variations in the branching pattern on right side where as 53.4 % of external carotid artery shows variations on left side. Conclusion: The mean length of external carotid artery is more or less difference between right and left side. The prevalence of variations of external carotid artery was seen more on the left side as compared to the right side. The variations in the branching pattern of external carotid artery are important to the vascular surgeons as well as radiologists to prevent diagnostic errors and also to avoid complications while performing surgery in the head and neck region.
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Anuradha, M., and S. Chitra. "A STUDY OF THE COMMON ORIGIN OF LINGUAL AND FACIAL ARTERY FROM THE EXTERNAL CAROTID ARTERY." International Journal of Anatomy and Research 5, no. 1.3 (March 31, 2017): 3656–58. http://dx.doi.org/10.16965/ijar.2017.132.

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9

Sabatier, A., P. Y. Robert, J. P. Sauvage, J. P. Bessede, J. P. Adenis, and R. Chapot. "Artères ophtalmiques issues des carotides externes." Journal Français d'Ophtalmologie 29, no. 8 (October 2006): 944.e1–944.e6. http://dx.doi.org/10.1016/s0181-5512(06)70121-8.

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10

Talay, Süreyya. "Arteriotomy for Carotid Endarterectomy, from Common to Interna or Externa?" Acta Medica 51, no. 3 (September 23, 2020): 25–31. http://dx.doi.org/10.32552/0.actamedica.420.

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Objectives: In this study, we described and compared a modified carotid endarterectomy surgical technique. Our comparison was between arteriotomy incision from common to interna and from common to externa. Methods: This study included 73 isolated carotid anrterctomy operations from two different centers. We performed external incision in 61 cases (Group A) and internal incision in 12 cases (Group B). We also elaborated perioperative data and surgical results between Groups. All cases were performed under general anaesthesia. Results: 2 patients in Group A and 2 patients in Group B died at the early postoperative period due to severe neurological deteriorations in 3 and myocardial infarction in 1 case. All cases were solely operated for carotid artery stenosis. None of these patients were presenting contrlaterally serious carotid artery lesions. 4 patients from Group A and 3 patients from Group B were receiving haemodialysis, perioperatively. Trancient minor neurological complications such as lingual deviation and/or facial asymmetry which were associated with N.Hypoglossus injuries, was observed in 8 cases and 2 cases in Group A and Group B, respectively. Patchplasty was necessary in 5 from Group A. No patchplasty was applied in Group B. We tried to avoid carotid shunt from common to interna in all standart procedures. However, carotid shunt was mandatory in 4 patients and in 1 patient from Group A and B. Conclusion: Our modified carotid incision from common to externa is almost always suitable for internal plaque removal. Thus, an incision to interna can be avoided which prevents internal artery narrowing, endothelial disruption and/or occlusion prone deterioration and internal artery intraoperative dissection risks. Therefore, we believe that an incision from common to external carotid artery is the first choice surgical approach for carotid endarterectomy.
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Journal articles

Dissertations / Theses on the topic "Artère carotide externe":

1

Lanéelle, Damien. "Hémodynamique cérébrale et périphérique dans un contexte de variation de pression de perfusion d'origine environnementale ou pathologique." Electronic Thesis or Diss., Normandie, 2023. http://www.theses.fr/2023NORMC430.

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L’hémodynamique occupe une place centrale dans la prise en charge des maladies vasculaires et en physiologie gravitationnelle. Les travaux présentés ici explorent l’analyse spectrale du signal doppler (ou sonogramme) dans l’artériopathie et l’effet de la microgravité sur l’hémodynamique cérébrale. La reproductibilité de l’analyse de sonogramme est faible quelle que soit la classification utilisée (κ=0.522 [0.520-0.523], p < 0.005 avec 4 catégories, κ=0.546 [0.544-0.547], p < 0.001 avec 13 catégories), indépendamment du diplôme ou de l’expérience. La classification à 13 catégories a un taux de déviance faible par rapport aux autres (5% contre 82 à 88%). Ces résultats encouragent à identifier une méthode d’analyse du sonogramme plus reproductible. Les transitions gravitationnelles sont associées à une augmentation des biomarqueurs de rupture de la barrière hémato-encéphalique ainsi que du stress oxydant et nitrosant (augmentation des protéines GFAP et S100ß, augmentation des radicaux libres et réduction du monoxyde d’azote biodisponible, p < 0,05). La microgravité entraine une augmentation sélective rapide du débit sanguin de l’artère carotide externe ( ̇��ECA, 46% ; p = 0,030, mesuré en échodoppler) alors que le débit sanguin cérébral (DSC) reste identique. Les variations de DSC liées à l’hypercapnie (+ 29% ±18) ou à l’hypovolémie simulée (- 11% ±10) ainsi que la distribution de ce DSC (entre les circulations cérébrales antérieure et postérieure, mesuré en angiographie de flux par résonance magnétique) sont indépendantes de l’anatomie artérielle intracrânienne. Ces résultats encouragent à évaluer l’effet combiné de l’hypoxie et de la microgravité sur le ̇��ECA ainsi que le lien avec les troubles neuro-oculaires associés aux vols spatiaux. La perspective commune est l’étude des résistances vasculaires périphériques afin d’une part de standardiser les conditions d’acquisition des sonogrammes dans le cadre de l’artériopathie ; et d’autre part, d’étudier les potentielles contre-mesures permettant une régulation des débits artériels dans le cadre de la physiologie gravitationnelle
The work presented here explore the spectral analysis of the sonogram and the impact of microgravity on cerebral hemodynamics. The reproducibility of sonogram analysis by classification is low (κ=0.522 [0.520-0.523], p<0.005 with 4 categories, κ=0.546 [0.544-0.547], p<0.001 with 13 categories) independently of the professional’s diploma or experience. The 13-category classification had a low deviance rate (5% compared with 82% to 88%). Gravitational transitions can promote a minor rupture of the blood-brain barrier (significant increase in specific biomarkers, p < 0.05). Microgravity causes a selective increase in external carotid artery blood flow ( ̇��ECA, 46%; p = 0.030) while cerebral blood flow (CBF) remains unchanged. The variations in CBF associated with hypercapnia (+29% ±18) or simulated hypovolemia (-11% ±10) and the distribution of this CBF were independent of intracranial arterial anatomy. These results encourage us to evaluate the combined effect of hypoxia and microgravity on the ̇��ECA as well as the link with the spaceflight associated neuro-ocular syndrome. The common perspective is to study the control of peripheral vascular resistance in order, on the one hand, to standardize the conditions for acquiring sonograms in the context of arteriopathy and, on the other hand, to study potential countermeasures for regulating the arterial flow in the context of gravitational physiology
2

Coutinho, Meriangela Pereira. "Efeitos da CATUAMA sobre a função ventricular, a mecânica do músculo cardíaco e os parâmetros hemodinâmicos de ratos." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/5/5164/tde-04082010-120638/.

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O fitoterápico CATUAMA, utilizado no Brasil há mais de 20 anos, e seu extrato isolado T catigua apresentam efeito de reversão e prevenção da fibrilação ventricular (FV). FV, em pacientes com disfunção cardíaca, representa uma importante causa de morte súbita no mundo ocidental. Neste contexto, os efeitos de CATUAMA sobre a função cardíaca e os parâmetros hemodinâmicos foram investigados em ratos normais. Várias concentrações (10 a 800 ?g/mL) de CATUAMA (uma mistura dos extratos das plantas Trichilia Catigua, Paullinia Cupana, Ptychopetalum Olacoide e Zingiber Officinale) e de cada um de seus constituintes foram infundidas em preparações de músculos papilares isolados. A tensão desenvolvida (TD), tensão de relaxamento (TR) e as velocidades de aumento e redução da tensão (dT/dtmax e dT/dtmin) foram analisadas. Uma única dose de 200 ?g/mL foi injetada na veia jugular direita in situ. Os índices (dP/dtmax e dP/dtmin) de função ventricular esquerda (VE), as pressões sistólica (PSVE) e diastólica final (PDFVE), de perfusão coronariana (PPC), arteriais sistólica (PAS), diastólica (PAD) e média (PAM) e a frequência cardíaca (FC) foram monitoradas por 10min via cateterização VE. CATUAMA afetou a contratilidade miocárdica na maior dose (dose tóxica), reduzindo 9% a TD e 16% a TR, aumentando 90% a dT/dtmin. CATUAMA também melhorou em até 16% as PAS, PAD, PAM e PPC. Seus extratos isolados apresentaram efeitos diferenciados. T catigua não interferiu nas variáveis. P cupana reduziu a contratilidade e a PDFVE e aumentou os parâmetros hemodinâmicos assim como CATUAMA. P olacoide reduziu a TD, a TR e a PDFVE. Z officinale também reduziu a TD e a TR. CATUAMA e T catigua não trazem prejuízo à função cardíaca.
The Brazilian herbal medicine CATUAMA and its extract T catigua have shown reversion and prevention action on ventricular fibrillation (VF). VF, in patients with cardiac dysfunction, is an important cause of sudden death in Western world. In this regard, CATUAMA effects on cardiac function and hemodynamic parameters in normal rats were investigated. Various concentrations (10 to 800?g/mL) of CATUAMA (a mixture of Trichilia Catigua, Paullinia Cupana, Ptychopetalum Olacoide and Zingiber Officinale) and each herbal extract were infused into isolated papillary muscle bath. Developed tension (DT), tension at rest (RT) and velocities of increase and decrease tension (dT/dtmax and dT/dtmin) were analyzed. A single 200?g/mL dose was injected into jugular vein in situ. Left ventricular (LV) function index (dP/dtmax and dP/dtmin), LV systolic and end-diastolic pressures (LVSP and LVEDP), coronary driving pressure (CDP), systolic, diastolic and mean blood pressures (SBP, DBP and MBP) and heart rate (HR) were monitored during 10min by LV catheterization. CATUAMA affected myocardium contractility in the higher and toxic dose, decreasing 9% DT and 16% TR and increasing 90% dT/dtmin. CATUAMA also improved 16% SBP, DBP, MBP and CDP. Its isolated extracts showed different actions. T catigua demonstrated no interference in the variables. P cupana decreased contractility and LVEDP. It improved hemodynamic parameters as CATUAMA. P olacoide decreased DT, TR and LVEDP. Z officinale also decreased DT and TR. CATUAMA and T catigua did not affect cardiac function. These are important results for development of a new drug to prevent and to reverse VF without heart function impairment.
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Vladimir, Manojlović. "Značaj karotidne endarterektomije kod asimptomatskih pacijenata sa nekompletnom kolateralizacijom unutar Vilisovog poligona." Phd thesis, Univerzitet u Novom Sadu, Medicinski fakultet u Novom Sadu, 2015. http://www.cris.uns.ac.rs/record.jsf?recordId=95440&source=NDLTD&language=en.

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UVOD: Vilisov poligon predstavlja najznačajniju rezervu kolateralnog protoka između ekstrakranijalnih arterija koje vaskularizuju mozak i ima sposobnost razvoja kolateranih puteva kod ekstrakranijalne karotidne bolesti. Ova anatomska struktura podložna je varijacijama koje uključuju i prekid kontinuiteta i nekompletnost kolateralizacije. CILJEVI: Cilj je bio da se utvrdi da li nekompletnost Vilisovog poligona utiče na češće pojavljivanje neurološke simptomatologije i ishemijske moždane lezije kod pacijenata sa ekstrakranijalnom karotidnom bolesti. Takođe cilj je bio i da se utvrdi da li cerebrovaskularna reaktivnost kod pacijenata sa asimptomatskom ekstrakranijalnom karotidnom bolesti zavisi od kompletosti Vilisovog poligona i na koji način hirurški tretman utiče na parametre cerebrovaskularne rezerve kod pacijenata sa kompletnim i nekompletnim Vilisovim poligonom. METOD: U retrospektivnoj studiji analiziran je nalaz MRA kod 211 pacijenata sa ekstrakranijalnom karotidnom bolesti i 102 pacijenta iz kontrolne grupe. U prospektivnoj studiji je kod 98 pacijenata sa asimptomatskom karotidnom bolesti pored MRA nalaza određivana cerebrovaskularna reaktivnost putem određivanja „breath hold index“-a (BHI) pre i nakon operativnog tretmana. REZULTATI: Nekompletan Vilisov poligon nađen je kod 25% asimptomatskih, 47,5% simptomatskih pacijenata sa karotidnom bolesti i kod 59% kontrolne grupe pacijenata, pri čemu su se razlike pokazale kao statistički značajne. Kod asimptomatskih pacijenata sa nekompletnim Vilisovim poligonom BHI preoperativno iznostio je 0,62 a postoperativno 1,01 na strani lezije. U slučaju nekompletnog Vilisovog poligona preoperativna vrednost BHI iznostila je 0,88 a postoperativna 1,09 na strani lezije. Razlike su se pokazale kao statistički značajne između grupa i pre i posle operativnog tretmana. Porast je bio statistički značajno izraženiji u grupi asimptomatskih pacijenata sa nekompletnim Vilisovim poligonom. Nisu zabeležene major operativne komplikacije (perioeprativni moždani udar,smrtni ishod) a na pojavu hiperperfuzionog sindroma najviše su uticali kompletnost Vilisovog poligona, vrednost BHI i preoperativni tretman hipertenzije. ZAKLJUČCI: Nekompletan Vilisov poligon predstavlja faktor rizika za pojavu neurološke simptomatologije ili ishemijske moždane lezije kod pacijenata sa ekstrakranijalnom karotidnom bolesti. Kod asimptomatskih pacijenata nekompletan Vilisov pologon utiče na smanjenu cerebrovaskularnu reaktivnost i veći rizik od moždanog udara. Parametri cerebrovaskularne reaktivnosti signifikantno se poboljšavaju nakon operativnog tretmana.
INTRODUCTION: Circle of Willis is the most important reserve of collateral flow between the extracranial arteries that supply the brain and has the ability to develop collateral pathways in extracranial carotid disease. This anatomical structure is subject to variations which include a disruption in the continuity and incompleteness of collateralisation. OBJECTIVES: was to determine whether the incompleteness of the Circle of Willis is more often associated with neurological symptoms and ishemic cerebral lesions in patients with extracranial carotid artery disease. Also, the objective was to determine whether cerebrovascular reactivity in patients with asymptomatic extracranial carotid artery disease depends on the completeness Circle of Willis and how surgical treatment affects the parameters of cerebrovascular reserve in patients with complete and incomplete Circle of Willis. METHODS: This study analyzed the findings of MRA in 211 patients with extracranial carotid artery disease and 102 patients in the control group. In prospective study in 98 patients with asymptomatic carotid artery disease in addition to the MRA findings cerebrovascular reactivity was determined by determining the "breath hold index" -a (BHI) before and after surgical treatment. RESULTS: Incomplete Circle of Willis was found in 25% of asymptomatic, 47.5% of symptomatic patients with carotid artery disease, and 59% of the control group patients, where the difference proved to be statistically significant. In asymptomatic patients with incomplete Circle of Willis BHI values were 0.62 preoperatively and 1.01 postoperatively on the side of the lesion. In the case of incomplete Circle of Willis preoperative BHI values were 0.88 preopertively and 1.09 postoperatively in asymptomatic patients. The differences are shown to be statistically significant between the groups before and after surgical treatment. The increase was significantly more pronounced in the group of asymptomatic patients with incomplete Circle of Willis. There were not recorded major operative complications (perioeprativni stroke, mortality) and the occurrence hyperperfusion syndrome was most affected by completeness of the Circle of Willis, a value BHI and preoperative treatment of hypertension. CONCLUSIONS: Incomplete Circle of Willis is a risk factor for the occurrence of neurological symptoms or ischemic brain lesions in patients with extracranial carotid artery disease. In asymptomatic patients incomplete Circle of Willis affects the reduced cerebrovascular reactivity and a higher risk of stroke. The parameters of cerebrovascular reactivity significantly improved after surgical treatment.
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Satogami, Naoe. "Visualization of external carotid artery and its branches: Non-contrast-enhanced MR angiography using balanced steady-state free-precession sequence and a time-spatial labeling inversion pulse." Kyoto University, 2011. http://hdl.handle.net/2433/142043.

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Books on the topic "Artère carotide externe":

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Kiyosue, Hiro, ed. External Carotid Artery. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4786-7.

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Rosenberg, Norman. CRC handbook of carotid artery surgery: Facts and figures. 2nd ed. Boca Raton, FL: CRC Press, 1994.

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Djindjian, Rene, I. F. Moseley, R. Houdart, J. Theron, and J. J. Merland. Super-Selective Arteriography of the External Carotid Artery. Springer, 2011.

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Djindjian, Rene, I. F. Moseley, R. Houdart, J. Theron, and J. J. Merland. Super-Selective Arteriography of the External Carotid Artery. Springer London, Limited, 2012.

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Kiyosue, Hiro. External Carotid Artery: Imaging Anatomy Atlas for Endovascular Treatment. Springer Singapore Pte. Limited, 2021.

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Kiyosue, Hiro. External Carotid Artery: Imaging Anatomy Atlas for Endovascular Treatment. Springer, 2020.

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Book chapters on the topic "Artère carotide externe":

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Kiyosue, Hiro, and Shuichi Tanoue. "Maxillary Artery." In External Carotid Artery, 109–215. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4786-7_5.

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Kiyosue, Hiro. "External Carotid Artery." In External Carotid Artery, 1–5. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4786-7_1.

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Kiyosue, Hiro. "Anterior (Visceral) Branches from the Proximal ECA (Superior Thyroidal, Lingual, and Facial Arterial System)." In External Carotid Artery, 7–36. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4786-7_2.

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Kiyosue, Hiro, and Yuji Matsumaru. "Posterior (Neural) Branches from the Proximal ECA." In External Carotid Artery, 37–73. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4786-7_3.

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Kiyosue, Hiro. "Superficial Arteries from the Distal ECA." In External Carotid Artery, 75–107. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4786-7_4.

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Bradac, Gianni Boris. "External Carotid Artery." In Applied Cerebral Angiography, 35–65. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-57228-4_3.

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Bradac, Gianni Boris. "External Carotid Artery." In Cerebral Angiography, 27–53. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54404-0_3.

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Lippert, Herbert, and Reinhard Pabst. "External carotid artery." In Arterial Variations in Man, 83–85. Munich: J.F. Bergmann-Verlag, 1985. http://dx.doi.org/10.1007/978-3-642-80508-0_42.

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Bradac, Gianni Boris. "External Carotid Artery." In Cerebral Angiography, 21–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-15678-6_3.

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Song, Jianping, Wei Zhu, and Ying Mao. "External Carotid Artery-Radial Artery-Middle Cerebral Artery Bypass." In Surgical Atlas of Cerebral Revascularization, 1–10. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-0374-7_1.

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Conference papers on the topic "Artère carotide externe":

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Zhao, Aihong, Ken Digges, Mark Field, and David Richens. "FE Modeling of the Three-Layer Human Carotid Artery Under Impact Loadings." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43955.

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Blunt traumatic rupture of the carotid artery is a rare but life threatening injury. The histology of the artery is key to understanding the aetiology of this injury. The carotid artery is composed of three layers known as the tunica intima, media, and adventitia, with distinct biomechanical properties. In order to examine the behaviour of the carotid artery under external load we have developed a three layer finite element model of this vessel. A rubber-like material model from LS-DYNA was selected for the FE model. The Arbitrary-Lagrangian Eulerian (ALE) approach was adopted to simulate the interaction between the fluid (blood) and the structure (carotid). To verify the FE model, the impact bending tests are simulated using this FE model. Simulation results agree with tests results well. Furthermore, the mechanical behaviour of carotid artery tissues under impact loading were revealed by the simulations. The results provide a basis for a more in-depth investigation of the carotid artery in vehicle crashes. In addition, it provides a basis for further work on aortic tissue finite element modeling.
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Liepsch, D., G. Pflugbeil, J. Fischer, and C. Weigand. "Flow Visualization and LDA Measurements in Human Carotid Artery Models." In ASME 1996 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/imece1996-1187.

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Abstract Flow parameters including pulsatile flow, wall distensibility, the non-Newtonian flow of blood in flow separation regions and high/low blood pressure, were studied in models of a healthy carotid artery model (37° bifurcation angle between the internal and external carotid artery), a 90% stenosis in the internal carotid artery and an 80% stenosis in both the internal and external carotid arteries. The goal of the study was to analyze the flow in detail, measuring the local velocity components. This knowledge is important for the interpretation of ultrasound measurements in vivo. Elastic silicon rubber models having a compliance similar to human vessels and the same surface structure as in the biological intima were prepared from casts of human carotid arteries taken at autopsy. Studies were done at various Reynolds numbers. Flow was visualized with colored dyes (steady flow) and with a photoelasticity apparatus and birefringent solution (pulsatile studies). Flow separation regions and reattachment points could be easily localized with these methods and recorded on video tape. The local velocity was measured with a 1-, 2-, or 3-D laser-Doppler-anemometer (LDA). The flow in the unstenosed model was Re = 250. In the stenosed models, the Reynolds number decreased to Re-213 under the same experimental conditions. High velocity fluctuations with vortices were found in the stenosed models. The jet flow in the stenosis increased up to 4 m/s. With an increasing bifurcation angle, the separation regions in the external and internal carotid artery increased. Increased blood pressure (a higher Re number) led to an increase in flow separation and to high velocity shear gradients. The highest shear stresses were nearly 20 times higher than normal. The 90% stenosis created very high velocity shear gradients and high velocity fluctuations. In addition to the ratio of the stenosis, the form (geometry) of the stenosis also played a major role in determining the flow structure. Behind the stenoses large eddies were found over the whole cross section. In these separation regions, particles may stick more easily to the wall and to existing stenoses. Sharp edged stenoses will grow faster than smooth stenosis formations. In the healthy carotid artery model only a slight flow separation region was observed in the internal carotid artery at the branching cross section. The flow in the healthy carotid artery model was almost ideal, whereas in the stenosed models the flow separations regions extended far into the internal carotid artery. Figure 1 shows the axial velocity component of a healthy carotid artery at Re = 350. The velocity profiles over the cross section 10mm downstream of the bifurcation in the internal carotid artery are shown for a blood-like fluid. The Womersley parameter was α = 4.15. The phase shown in 90°. Figure 2 shows the vertical velocity component at a phase of 90°. Figure 3 shows the velocity profiles in a model with a 90% stenosis in the internal carotid artery at a phase 90°. The differences in the velocity distribution can be clearly seen. High velocity fluctuations were recorded which may lead to chemical reactions in the blood cells. We conclude that a detailed understanding of flow is necessary before vascular surgery is performed especially before artificial grafts are implanted. Models should be prepared to help to optimize such grafts and no flow parameter can be neglected especially at bends and bifurcations.
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Albadawi, Muhamed, Yasser Abuouf, Shinichi Ookawara, and Mahmoud Ahmed. "Influence of Carotid Artery Stenosis Location on Lesion Progression Using Computational Fluid Dynamics." In ASME 2020 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/imece2020-23451.

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Abstract Atherosclerosis is a major arterial disease characterized by the thickening of the arteries’ walls. The development of stenosis at the carotid bifurcation affects the local variations in blood flow dynamic factors. The carotid artery dynamic factors: including the wall shear stress (WSS), time-averaged wall shear stress (TAWSS) and pressure gradient affect the rate of progression of the stenosis. It is essential to analyze the flow in three-dimensional reconstructed patient-specific geometries with realistic boundary conditions to estimate the blood flow dynamic factors. Hence, a three-dimensional comprehensive model is developed including the non-Newtonian blood flow under pulsatile flow conditions. The model is numerically simulated using computational fluid dynamics solvers along with the medical imaging to investigate the effect of stenosis locations on its progression. The numerically predicted blood flow dynamic factors are analyzed. It was found that the blood flow dynamic factors have the importance to influence the diagnosis and prediction of asymptomatic carotid artery stenosis progression. Based on results, the value of TAWSS at the stenosis in the stenotic Common Carotid Artery (CCA) is 46.68 Pa comparing to 19.24 Pa and 10.049 Pa in Internal Carotid Artery (ICA) and External Carotid Artery (ECA) respectively. Also, it was found that the maximum value of WSS in the healthy artery at the bifurcation with 3.829 Pa. However, in stenotic arteries the maximum value for WSS located at the stenosis throat which was found to be 102.158 Pa for CCA comparing to 46.859 Pa in ICA and 33.658 Pa in ECA.
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Bernardes, Leonardo de Sousa, Raphael Palomo Barreira, Marina Trombin Marques, Danyelle Sadala Reges, Vivian Dias Baptista Gagliardi, and Rubens José Gagliardi. "Internal Carotid Artery Dissection during Puerperium: A Case Report." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.456.

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Background: Carotid or vertebral artery dissection is a rare puerperium event, occurring in less than 6% of cases. Although physiopathology is not completely understood, it is probably multifactorial involving increased cardiac output, hypervolemia and hormonal changes remodeling endothelium and favoring dissection. Most patients present headache and neck pain, but it is also reported Horner syndrome, tinnitus, retroorbital pain and cranial nerve palsies. Case Report: Female, 39-year-old patient in the 20th day of puerperium presents a sudden headache with transitory left hemiparesis and dysarthria for 30 minutes. Magnetic Resonance Imaging (MRI) with angioresonance revealed an area of right middle cerebral artery (MCA) infarction and right internal carotid artery dissection in the cervical segment with a large intraluminal thrombus. The diagnosis was stablished as ischemic stroke caused by carotid dissection. Transcranial doppler presented post stenotic flow in the right MCA, flow inversion in the right anterior cerebral artery (ACA) and ipsilateral collateral circulation of the external carotid artery. After two months on double antiplatelet treatment (apirin 100mg and clopidogrel 75mg), it was partially recanalized and there was improvement in the collateral and hemodynamic pattern. Conclusion: Puerperium pacients describing intense headache or neck pain should be investigated with MRI and angioresonance of intracranial and cervical vessels. In the cervical arterial dissection it is recommended double antiplatelet therapy, for three to six months.
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Püschner, A., RT Hoffmann, T. Zahnert, and V. Gudziol. "Migrating coils after bilateral embolization of external carotid artery: a case report." In Abstract- und Posterband – 89. Jahresversammlung der Deutschen Gesellschaft für HNO-Heilkunde, Kopf- und Hals-Chirurgie e.V., Bonn – Forschung heute – Zukunft morgen. Georg Thieme Verlag KG, 2018. http://dx.doi.org/10.1055/s-0038-1639765.

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Bressloff, N. W., J. Banks, and K. V. Bhaskar. "Parametric Geometry Definition and Analysis of the Human Carotid Artery Bifurcation." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-59124.

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Three-dimensional parametric computer aided design (CAD) geometry definitions of the human carotid artery bifurcation are presented for both Y-shaped and tuning-fork models. Drawing on methods largely developed in aerodynamic design, these parametric CAD geometries are deployed within a response surface methodology to systematically map the variation of spatially integrated mean shear stress with the angles of the internal carotid artery (ICA) and the external carotid artery (ECA). Although the absolute values of this shear stress metric agree in some regions of the design space, significant differences exist in the shapes of the response surfaces for the alternative CAD models. The tuning-fork data reveals unexpected results in the location of the lowest value of the metric (at large ICA angles and small ECA angles) and also in the presence of two regions of high metric values — one, unsurprisingly, at large ICA and ECA angles but another exists close to the baseline geometry at the centre of the design space. In contrast, the Y-shaped data is such that a very spiky response surface is produced dominated by changes in the ICA angle. Also, the minimum is located at small ICA and large ECA angles. Finally, evidence is presented for strong recirculation at the outflow of the sinus bulb for small ICA angles that is nonexistent for large ICA angles.
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Metzger, Thomas A., Santanu Chandra, and Philippe Sucosky. "Hemodynamic Abnormalities in Stented Carotid Artery: A Fluid Structure Interaction Study." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-93091.

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Balloon-stented angioplasty is a common treatment for carotid arterial atherosclerosis. Clinical studies have shown that within 6 months of the initial procedure, 25% of stented-angioplasty patients develop restenosis, a postoperative narrowing of the artery due to plaque accumulation onto the stent. While hemodynamics and more specifically low oscillatory wall-shear stress have been identified as key factors promoting atherogenesis, their role in restenosis following stent implantation remains unclear. We hypothesize that the implantation of a stent generates hemodynamic abnormalities consisting of low wall shear stresses in the vicinity of arterial wall regions prone to restenosis. The objective of this study was to compare computationally the hemodynamics in normal (healthy), stenosed (atherosclerotic) and stented carotid artery bifurcation models and to investigate potential correlations between regions presenting high hemodynamic abnormalities and regions prone to postoperative stent angioplasty restenosis. Realistic, three-dimensional models of normal, stenosed and stented human carotid bifurcations consisting of the common (CCA), external (ECA) and internal (ICA) carotid arteries were developed using the computer-assisted design software Solid Edge. The characteristic dimensions of the normal and stenosed models were obtained from previously published human data. The stented model was designed by modeling the inner surface of the ICA bulb region as a rigid cylindrical surface mimicking the presence of a stent. Fluid-structure interaction (FSI) simulations were carried out using the adaptive arbitrary Lagrangian Eulerian (ALE) approach of ANSYS 14 to simulate flow and arterial wall dynamics in each model subjected to physiologic pressure and flow rate. As expected, the atherosclerotic model resulted in higher velocity and wall shear stress (WSS) levels than the normal model due to the reduced ICA lumen. In addition, while stent implantation restored the hemodynamic performance of the vessel, it generated lower WSS than in the normal model, which may contribute to restenosis. This study provides new insights into the possible hemodynamic roots of postoperative stent angioplasty restenosis.
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Araújo, Maria Tereza Corrêa de, Amanda Virgínia Oliveira Leite, Ana Clara Sousa Leal, Daniel Jonatan de Aguiar Almeida, Iris Maria de Miranda Correia, and David Plácido Lopes. "AGenesis of the internal carotid artery (ICA agenesis): an integrative review." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.308.

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Introduction: The ICA agenesis is a rare anomaly, an incidental finding whose incidence is lower than 0,01%. It is predominantly asymptomatic, because of the development of a collateral circulation, though it can present nonspecific symptoms, that result from insufficient blood flow, due to the development of atherosclerosis in vessels that previously supported the blood flow in the absence of the ICA, and by the association with brain aneurysm. Objectives: Conduct an integrative review about the ICA agenesis, describing the aspects and importance of vascular changes. Methods: It is an integrative revision that includes articles indexed in the SCIELO and PUBMED databases, using descriptors, with articles from the last 5 years. Results: The ICA agenesis can be unilateral or bilateral, predominantly on the left side. The main collateral pathways are the Circle of Willis and the transcranial collateral vessels of the external carotid artery. Differential diagnosis, like total occlusion or dissection, should be excluded by the inspection of the carotid canal in the CT, because the demonstration of a normal carotid canal excludes developmental anomalies of the ICA. The MRI and the angiography, combined with CT and Doppler ultrasound allow an accurate diagnosis. Conclusion: It is important to consider the possibility of ICA agenesis in the investigation of nonspecific symptoms, when other more prevalent causes have already been discarded, since these patients have an increased incidence of several other intracranial diseases, such as cerebral aneurysms with an association of 25-44%, that if identified in time, can avoid severe damages.
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Gallo, Diego, Raffaele Ponzini, Filippo Consolo, Diana Massai, Luca Antiga, Franco M. Montevecchi, Alberto Redaelli, and Umberto Morbiducci. "A Numerical Multiscale Study of the Haemodynamics in an Image-Based Model of Human Carotid Artery Bifurcation." In ASME 2009 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2009. http://dx.doi.org/10.1115/sbc2009-206159.

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The initiation and progression of vessel wall pathologies have been linked to disturbances of blood flow and altered wall shear stress. The development of computational techniques in fluid dynamics, together with the increasing performances of hardware and software allow to routinely solve problems on a virtual environment, helping to understand the role of biomechanics factors in the healthy and diseased cardiovascular system and to reveal the interplay of biology and local fluid dynamics nearly intractable in the past, opening to detailed investigation of parameters affecting disease progression. One of the major difficulties encountered when wishing to model accurately the cardiovascular system is that the flow dynamics of the blood in a specific vascular district is strictly related to the global systemic dynamics. The multiscale modelling approach for the description of blood flow into vessels consists in coupling a detailed model of the district of interest in the framework of a synthetic description of the surrounding areas of the vascular net [1]. In the present work, we aim at evaluating the effect of boundary conditions on wall shear stress (WSS) related vessel wall indexes and on bulk flow topology inside a carotid bifurcation. To do it, we coupled an image-based 3D model of carotid bifurcation (local computational domain), with a lumped parameters (0D) model (global domain) which allows for physiological mimicking of the haemodynamics at the boundaries of the 3D carotid bifurcation model here investigated. Two WSS based blood-vessel wall interaction descriptors, the Time Averaged WSS (TAWSS), and the Oscillating Shear Index (OSI) were considered. A specific Lagrangian-based “bulk” blood flow descriptor, the Helical Flow Index (HFI) [2], was calculated in order to get a “measure” of the helical structure in the blood flow. In a first analysis the effects of the coupled 0D models on the 3D model are evaluated. The results obtained from the multiscale simulation are compared with the results of simulations performed using the same 3D model, but imposing a flow rate at internal carotid (ICA) outlet section equal to the maximum (60%) and the minimum (50%) flow division obtained out from ICA in the multiscale model simulation (the presence of the coupled 0D model gives variable internal/external flow division ratio during the cardiac cycle), and a stress free condition on the external carotid (ECA).
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Groen, Harald C., Lenette Simons, E. Marielle H. Bosboom, Frans van de Vosse, Anton F. W. van der Steen, Aad van der Lugt, Frank J. H. Gijsen, and Jolanda J. Wentzel. "MRI Based Quantification of Outflow Boundary Conditions for Computational Fluid Dynamics of Stenosed Human Carotid Arteries." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19160.

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Many studies have been performed to investigate the contribution of wall shear stress (WSS) to pathophysiological processes related to atherosclerosis (Groen, et al., 2007; Kaazempur-Mofrad, et al., 2004; Ku, et al., 1985). To investigate these relationships in stenosed human carotid arteries, accurate assessment of WSS is required. WSS can be calculated in vivo by coupling medical imaging and computational fluid dynamics (CFD). However, often patient specific in- and outflow information is unavailable. Therefore flow through the common (CCA), internal (ICA) and external (ECA) carotid artery needs to be estimated. Murray’s law (Murray, 1926) is often used for that purpose, but it is unclear whether this law holds for stenosed arteries. The goal of this study was to determine outflow boundary conditions for WSS calculations in stenosed carotid bifurcations. Therefore we first quantified the flow (Q) in carotid arteries with different degrees of area stenosis using phase-contrast MRI and determined an empirical relation between outflow-ratios and degree of area stenosis. Secondly we compared the estimated flow ratio based on Murray’s law to the ones measured by MRI. Finally we analyzed the influence of the outflow conditions on the calculated WSS using CFD.

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