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1.
Rev. cuba. oftalmol ; 34(1): e907, 2021. graf
Article in Spanish | LILACS, CUMED | ID: biblio-1289537

ABSTRACT

El diagnóstico temprano de las lesiones compresivas del nervio óptico adquiere cada vez mayor importancia. La descompresión precoz de este o del quiasma puede resultar una mejora significativa de la función visual, mientras que el diagnóstico erróneo puede ocasionar pérdida visual irreversible, disfunción neurológica o la muerte. Las causas de la compresión de la vía visual anterior son increíblemente variadas. Los meningiomas, los tumores hipofisarios y los aneurismas son las lesiones comúnmente más identificadas como causa de neuropatía óptica compresiva sin edema del disco. Presentamos una paciente femenina de 50 años de edad, quien se sometió a la cirugía de catarata congénita del ojo izquierdo, sin mejoría de la función visual, a lo que se sumó el empeoramiento inespecífico de la calidad visual. La psicofísica visual, la campimetría automatizada y la tomografía de coherencia óptica aportaron hallazgos sugestivos de compresión de la vía visual intracraneal. Se indicó imagen por resonancia magnética de cráneo y órbitas para confirmar la sospecha diagnóstica. La angiografía cerebral demostró la presencia de un aneurisma de la arteria carótida interna, que se trató por vía endovascular con resultados satisfactorios(AU)


The importance of early diagnosis of compressive lesions of the optic nerve is on the increase. Timely decompression of the optic nerve or the optic chiasm may bring about significant visual function improvement, whereas erroneous diagnosis may result in irreversible visual loss, neurological dysfunction or death. The causes of compression of the anterior visual pathway are incredibly varied. Meningiomas, pituitary tumors and aneurysms are the lesions most commonly identified as causes of compressive optic neuropathy without disc edema. A case is presented of a female 50-year-old patient undergoing congenital cataract surgery of her left eye without visual function improvement, alongside unspecific visual quality worsening. Visual psychophysical testing, automated campimetry and optical coherence tomography contributed findings suggestive of intracranial visual pathway compression. Magnetic resonance imaging of the brain and orbits was indicated to confirm the diagnostic suspicion. Cerebral angiography revealed the presence of an internal carotid artery aneurysm which was treated by endovascular procedure with satisfactory results(AU)


Subject(s)
Humans , Female , Middle Aged , Carotid Artery, Internal/diagnostic imaging , Tomography, Optical Coherence/adverse effects , Early Diagnosis , Endovascular Procedures/methods , Visual Field Tests/methods
2.
Rev. Assoc. Med. Bras. (1992) ; 66(1): 31-35, Jan. 2020. tab, graf
Article in English | LILACS | ID: biblio-1091903

ABSTRACT

SUMMARY Homozygous familial hypercholesterolemia is a rarely agentic disorder of the lipoprotein metabolism intimately related to premature atherosclerotic cardiovascular disease that can lead to high disability and mortality. Homozygous familial hypercholesterolemia typically affects not only the aortic root, compromising the coronary ostia, but also affects other territories such as the carotid, descending aorta, and renal arteries. Multi-contrast high-resolution magnetic resonance imaging (MRI) provides a validated and useful method to characterize carotid artery atherosclerotic plaques quantitatively. However, very few studies have been done on assessing plaque composition in patients with Homozygous familial hypercholesterolemia using high-resolution MRI. This report is to evaluate the value of MRI in accessing carotid artery disease in patients with Homozygous familial hypercholesterolemia. We describe a 28-year-old patient from Beijing, China, who presented to the Neurology Clinic with intermittent blurred vision of the right eye, headache, nausea, and vomiting for eight years without obvious causes. Familial hypercholesterolemia was suspected based on medical history and laboratory examination. Carotid Doppler ultrasound showed bilateral common carotid artery, internal carotid artery, and external carotid artery wall thickening with hyperechoic signals. Subsequently, high-resolution multi-contrast MRI of the carotid showed calcification with hypo-intense areas located at the middle layer of the plaque, with moderate stenosis. The plaque located at the right bifurcation of the common carotid artery extended to the internal carotid artery, causing lumen stenosis close to occlusion. The patient was treated with right carotid artery endarterectomy. At a 6-month follow-up, there had been no recurrence of the patient's symptoms.


RESUMO A hipercolesterolemia familiar homozigótica, uma doença patogênica rara do metabolismo da lipoproteína intimamente relacionada com a doença cardiovascular aterosclerótica prematura, pode conduzir a uma elevada deficiência e mortalidade. A hipercolesterolemia familiar homozigótica afeta tipicamente não só a raiz aórtica, comprometendo os óstios coronários, mas também outros territórios, como a carótida, a aorta descendente e as artérias renais. Imagens de ressonância magnética multicontraste de alta resolução (RM) fornecem um método validado e útil para caracterizar quantitativamente as placas de aterosclerose da artéria carótida. No entanto, muito poucos estudos foram feitos sobre a avaliação da composição da placa em doentes com hipercolesterolemia familiar homozigótica utilizando ressonância magnética de alta resolução. Este trabalho deve avaliar o valor da ressonância magnética no acesso à doença da artéria carótida em doentes com hipercolesterolemia familiar homozigótica. Descrevemos um paciente de 28 anos de Pequim, China, que se apresentou à clínica neurológica com visão turva intermitente do olho direito, dor de cabeça, náuseas e vômitos por oito anos sem causas aparentes. Suspeitava-se de hipercolesterolemia familiar com base no histórico médico e no exame laboratorial. O ultrassom Doppler carotídeo mostrou uma artéria carótida bilateral comum, artéria carótida interna e parede da carótida externa espessando-se com sinais hiperecoicos. Posteriormente, a ressonância multicontraste de alta resolução da carótida mostrou calcificação com áreas hipointensas localizadas na camada média da placa, com estenose moderada. A placa localizada na bifurcação direita da artéria carótida comum estendia-se até a artéria carótida interna, causando estenose do lúmen próxima à oclusão. O paciente foi tratado com endarterectomia da artéria carótida direita. Em seis meses de acompanhamento, não houve recorrência dos sintomas do paciente.


Subject(s)
Humans , Female , Adult , Thrombosis/diagnostic imaging , Coronary Artery Disease/diagnostic imaging , Magnetic Resonance Imaging/methods , Carotid Stenosis/diagnostic imaging , Plaque, Atherosclerotic/diagnostic imaging , Hyperlipoproteinemia Type II/diagnostic imaging , Carotid Artery, External/pathology , Carotid Artery, External/diagnostic imaging , Carotid Artery, Internal/pathology , Carotid Artery, Internal/diagnostic imaging , Ultrasonography, Doppler, Color/methods , Plaque, Atherosclerotic/pathology , Carotid Intima-Media Thickness , Computed Tomography Angiography/methods
3.
Rev. argent. radiol ; 82(3): 107-113, set. 2018. ilus, graf, tab
Article in Spanish | LILACS | ID: biblio-977271

ABSTRACT

Objetivo Determinar la frecuencia de las complicaciones observadas durante la trombectomía en el ictus isquémico agudo. Materiales y Métodos Se revisó de forma retrospectiva las trombectomías realizadas en nuestra institución cuando los ictus isquémicos tuvieron una indicación de tratamiento endovascular. Se registraron los diferentes dispositivos utilizados en ese periodo de tiempo y si presentaron relación con el desarrollo de las complicaciones inmediatas mediante arteriografía. Resultados De un total de 228 casos, se registraron complicaciones en el 16,6% de los casos. Se identificaron embolias (n » 31), hemorragias subaracnoideas (n » 2), hemorragia gangliobasal (n » 1), vasoespasmo (n » 1), disección (n » 1) y peusoaneurismas (n » 2). La embolia a nuevos territorios se presentó solo en 5 casos. Discusión El tratamiento endovascular ha demostrado ser efectivo para la recanalización en oclusión de gran vaso. El uso de dispositivos presume un riesgo por la manipulación de los vasos. Conclusión La embolia fue la complicación más frecuente. El tratamiento endovascular en el ictus genera un desenlace clínico favorable de los pacientes, al mismo tiempo, el bajo porcentaje de complicaciones que encontramos no suponen una afectación negativa en el desenlace final.


Purpose To determine the complications we observed during thrombectomy in acute ischemic stroke. Materials and Methods We reviewed retrospectively thrombectomies performed in our institution when endovascular treatment for stroke was done. The different devices used in this period of time were recorded and we determined if these were related to the development of immediate complications duringthe procedure visualized in arteriography. Results We had 228 cases, complications were found in 16.6% of the cases. Embolisms (n » 31), subarachnoid hemorrhages (n » 2), gangliobasal hemorrhage (n » 1), vasospasm (n » 1), dissection (n » 1) and peusoaneurysms (n » 2) were identified. 5 embolisms happened to new territories during thrombectomy. Discussion Endovascular treatment has been shown to be effective for recanalization in large vessel occlusion. The use of devices presumes a risk for the manipulation of the vessels. Conclusion Embolism was the most frequent complication. The endovascular treatment in the acute stroke produces a favorable clinical outcome of the patients and we found a low percentage of complications that would not suppose a negative affectation in the final outcome.


Subject(s)
Humans , Male , Female , Middle Aged , Aged , Aged, 80 and over , Thrombectomy/methods , Stroke/complications , Stroke/diagnostic imaging , Skull/diagnostic imaging , Spain , Vascular Diseases/complications , Catheterization/methods , Catheterization/statistics & numerical data , Carotid Artery, Internal/diagnostic imaging , Tomography, X-Ray Computed , Stents/statistics & numerical data , Retrospective Studies , Multicenter Study , Thrombectomy/statistics & numerical data , Embolism , Hemorrhage
4.
Arq. bras. oftalmol ; 81(2): 148-152, Mar.-Apr. 2018. graf
Article in English | LILACS | ID: biblio-950435

ABSTRACT

ABSTRACT Differentiating glaucomatous from nonglaucomatous optic disc cupping remains challenging. We present a case of a 48-year-old woman with an internal carotid aneurysm of approximately 3.5 mm × 6.5 mm that mimicked normal-tension glaucoma. The patient had a 2-year history of low vision acuity in her left eye and frontal oppressive headache. Owing to the carotid aneurysm, she developed an asymmetric vertical cup-to-disc ratio above 0.2, and marked inferotemporal neuronal rim loss and pallor of the residual rim were noted in the left disc. She also developed a visual field defect with an arcuate scotoma in the left eye. The patient was referred to a neurosurgeon and underwent endovascular aneurysm occlusion. This case highlights the diagnostic importance of recognizing that many neurological defects remain underdiagnosed.


RESUMO diferenciação de escavações glaucomatosas e não glaucomatosas ainda permanece um desafio ainda nos dias de hoje. Nos descrevemos um caso de aneurisma de carótida interna medindo 3.5mm x 6.5mm que simulava um glaucoma de pressão normal. O caso é sobre uma paciente feminino de 48 anos com história de 2 anos de baixa acuidade visual no olho esquerdo e cefaléia frontal. Devido ao aneurisma de carótida a paciente desenvolveu uma assimetria de escavação vertical maior que 0.2 no olho esquerdo em relação ao direito com defeito localizado da camada de fibras nervosas temporal inferior. Ela também apresentava um defeito arqueado temporal superior a esquerda, cruzando a linha média vertical consistente. Após o diagnostico confirmado pela ressonância magnética funcional, a paciente foi enviada para o neurocirurgião para realização de uma oclusão endovascular do aneurisma. Esse caso nos alerta da importância de se lembrar que não apenas o glaucoma gera escavações suspeitas no disco óptico e que ainda muitos defeitos por causas neurológicas são subdiagnosticados.


Subject(s)
Humans , Female , Middle Aged , Carotid Artery Diseases/diagnostic imaging , Carotid Artery, Internal/diagnostic imaging , Low Tension Glaucoma/diagnostic imaging , Aneurysm/diagnosis , Retina/diagnostic imaging , Magnetic Resonance Imaging/methods , Carotid Artery Diseases/physiopathology , Carotid Artery Diseases/pathology , Carotid Artery, Internal/physiopathology , Carotid Artery, Internal/pathology , Diagnosis, Differential , Low Tension Glaucoma/physiopathology , Low Tension Glaucoma/pathology , Visual Field Tests , Intraocular Pressure
5.
Rev. Assoc. Med. Bras. (1992) ; 63(5): 397-400, May 2017. graf
Article in English | LILACS | ID: biblio-896348

ABSTRACT

Summary Carotid dissection is a rare occurrence but it is the main cause of stroke in individuals aged less than 45 years, and can be the etiology in up to 25% of strokes in young adults. We report a case with classic image of ying yang on vascular ultrasound, which was treated according to the best available medical evidence, yielding a favorable outcome.


Resumo A dissecção de carótida é entidade rara, mas é a principal causa de acidentes vasculares cerebrais isquêmicos em menores de 45 anos e pode ser a etiologia de até 25% dos acidentes vasculares cerebrais em adultos jovens. Apresenta-se um caso com imagem clássica de ying yang à ultrassonografia vascular, que foi tratado de acordo com as melhores evidências médicas disponíveis e apresentou boa evolução.


Subject(s)
Humans , Female , Carotid Artery, Internal/diagnostic imaging , Carotid Artery, Internal, Dissection/diagnostic imaging , Magnetic Resonance Imaging , Platelet Aggregation Inhibitors/therapeutic use , Angiography/methods , Fluoroscopy/methods , Treatment Outcome , Ultrasonography, Doppler, Color , Carotid Artery, Internal, Dissection/complications , Carotid Artery, Internal, Dissection/drug therapy , Stroke/etiology , Middle Aged
6.
Braz. j. otorhinolaryngol. (Impr.) ; 83(2): 162-167, Mar.-Apr. 2017. tab, graf
Article in English | LILACS | ID: biblio-839422

ABSTRACT

Abstract Introduction: When an expanded endonasal transsphenoidal surgical approach is performed, intrasphenoid septations must be completely resected. If these structures are close to the internal carotid artery (ICA), then their manipulation might cause vascular injury. Objective: The objective of this study is to describe the frequency of intrasphenoid septations in the internal carotid artery protuberance (ICAp). Methods: Computed tomography (CT) scans of 421 patients were analysed. Intrasphenoid septations (classified as intersphenoid or accessory) and their relationship to the ICAp were described. Additionally, a sphenoid sinus classification was performed based on their degree of pneumatisation to determine whether a difference exists in the frequency of intrasphenoid septations inserted into ICAp with regard to sinus type. Results: The patient mean age was 39 ± 21.4 years. Overall, 219 patients (52%) had septations in the ICAp; 359 patients (85.3%) had intersphenoid septations; of the latter, 135 (37.6%) had septations in the ICAp. This frequency was higher among patients with sphenoid sinus type 4 or 5 (44.7% and 43.5%, respectively). Accessory septations were found in 255 patients (60.6%); 140 of these septations (54.9%) were in the ICAp. Among 351 patients with types 3, 4 or 5 sphenoid sinuses (i.e., only well-pneumatised sphenoid sinuses), 219 (62.4%) had septations in the ICAp. These frequencies are higher than those reported in most previous studies. Conclusion: The frequency of intrasphenoid septations in the ICAp found is considerable. It is higher among patients with more pneumatised sinuses. This finding justifies an appropriate pre-operative study, and careful attention must be paid during transsphenoidal surgery.


Resumo Introdução: Quando uma abordagem cirúrgica transesfenoidal endonasal ampliada é feita, septações intraesfenoidais devem ser completamente ressecadas. Se essas estruturas estiverem próximas à artéria carótida interna (ACI), a manipulação pode causar lesão vascular. Objetivo: O objetivo deste estudo foi descrever a frequência de septações intraesfenoidais na protuberância da artéria carótida interna (pACI). Método: Exames de tomografia computadorizada (TC) de 421 pacientes foram analisados. As septações intraesfenoidais (classificadas como interesfenoidais ou acessórias) e sua relação com a pACI foram descritas. Além disso, uma classificação do seio esfenoidal foi feita com base no seu grau de pneumatização para determinar se existe uma diferença na frequência de septações intraesfenoidais inseridas em pACI em relação ao tipo de seio. Resultados: Pacientes com idade média de 39 ± 21,4 anos foram incluídos. No geral, 219 pacientes (52%) apresentavam septações na pACI; 359 (85,3%) septações interesfenoidais; 135 (37,6%) septações na pACI. Essa frequência foi maior entre os pacientes com seio esfenoidal tipo 4 ou 5 (44,7 e 43,5%, respectivamente). As septações acessórias foram encontradas em 255 doentes (60,6%); 140 dessas septações (54,9%) estavam na pACI. Entre 351 pacientes com seios esfenoidais tipos 3, 4 ou 5 (isto é, apenas seios esfenoidais bem pneumatizados), 219 (62,4%) tinham septações na pACI. Essas frequências são superiores às relatadas na maioria dos estudos. Conclusão: A frequência de septações intraesfenoidais na pACI encontrada é considerável, é maior entre pacientes com seios mais pneumatizados. Esse achado justifica um estudo pré-operatório adequado e uma atenção especial deve ser dada durante a cirurgia transesfenoidal.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Paranasal Sinuses/surgery , Paranasal Sinuses/diagnostic imaging , Sphenoid Sinus/surgery , Sphenoid Sinus/diagnostic imaging , Carotid Artery, Internal/anatomy & histology , Paranasal Sinuses/anatomy & histology , Sphenoid Sinus/anatomy & histology , Carotid Artery, Internal/diagnostic imaging , Tomography, X-Ray Computed
9.
Arq. neuropsiquiatr ; 74(5): 396-404, May 2016. tab, graf
Article in English | LILACS | ID: lil-782025

ABSTRACT

ABSTRACT Objective To evaluate the intercarotid distance (ICD) of patients with pituitary macroadenoma and compare to heatlhy controls. Method We retrospectively reviewed contrast-enhanced MRI images from twenty consecutive patients diagnosed with non-functioning pituitary macroadenoma, measured the ICD at two different levels (petrous segment – ICD1 and horizontal cavernous segment – ICD2) and compared to twenty paired controls. Results There was no statistically significant difference of the mean ICD1 between the groups and subgroups. For the ICD2 there was statistically significant difference between the case and controls. However, there was no significant difference between the patients with smaller adenomas and the controls. In contrast, the patients with giant adenomas showed statistically significantly higher ICD2 than the controls. Conclusion The ICD at the horizontal segment of the cavernous carotid tends to be wider in patients with giant pituitary adenomas than in healthy individuals or patients with smaller adenomas.


RESUMO Objetivo Avaliar a distância intercarotídea (DIC) de pacientes com macroadenoma de hipófise e comparar com controles saudáveis. Método Foram analisados retrospectivamente imagens de ressonância magnética com contraste de vinte pacientes consecutivos com diagnóstico de macroadenoma hipofisário não-funcionante, medidas as DIC em dois níveis diferentes (segmento petroso – DIC1 e segmento cavernoso horizontal – DIC2) e comparados com vinte controles pareados. Resultados Não houve diferença estatisticamente significativa da DIC1 média entre os grupos e subgrupos. Para a DIC2 houve diferença estatisticamente significativa entre os casos e controles. No entanto, não houve diferença significativa entre os doentes com adenomas menores e os controles. Entretanto, os pacientes com adenomas gigantes tiveram estatisticamente significativamente DIC2 que os controlos. Conclusão A DIC no segmento horizontal da carótida cavernoso, tende a ser mais larga em doentes com adenomas hipofisários gigantes do que em indivíduos saudáveis ou de pacientes com adenomas menores.


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aged , Young Adult , Pituitary Neoplasms/diagnostic imaging , Carotid Artery, Internal/diagnostic imaging , Adenoma/diagnostic imaging , Pituitary Neoplasms/pathology , Sphenoid Sinus/pathology , Sphenoid Sinus/diagnostic imaging , Magnetic Resonance Imaging/methods , Carotid Artery, Internal/pathology , Adenoma/pathology , Case-Control Studies , Cavernous Sinus/pathology , Cavernous Sinus/diagnostic imaging , Retrospective Studies
10.
Article in English | WPRIM | ID: wpr-212754

ABSTRACT

OBJECTIVE: The management of patients with ruptured cerebral aneurysms and severe vasospasm is subject to considerable controversy. We intended to describe herein an endovascular technique for the simultaneous treatment of aneurysms and vasospasm. MATERIALS AND METHODS: A series of 11 patients undergoing simultaneous endovascular treatment of ruptured aneurysms and vasospasm were reviewed. After placement of a guiding catheter within the proximal internal carotid artery for coil embolization, an infusion line of nimodipine was wired to one hub, and of a microcatheter was advanced through another hub (to select and deliver detachable coils). Nimodipine was then infused continuously during the coil embolization. RESULTS: This technique was applied to 11 ruptured aneurysms accompanied by vasospasm (anterior communicating artery, 6 patients; internal carotid artery, 2 patients; posterior communicating and middle cerebral arteries, 1 patient each). Aneurysmal occlusion by coils and nimodipine-induced angioplasty were simultaneously achieved, resulting in excellent outcomes for all patients, and there were no procedure-related complications. Eight patients required repeated nimodipine infusions. CONCLUSION: Our small series of patients suggests that the simultaneous endovascular management of ruptured cerebral aneurysms and vasospasm is a viable approach in patients presenting with subarachnoid hemorrhage and severe vasospasm.


Subject(s)
Adult , Aged , Aneurysm, Ruptured/therapy , Carotid Artery, Internal/diagnostic imaging , Embolization, Therapeutic , Endovascular Procedures , Female , Humans , Intracranial Aneurysm/therapy , Magnetic Resonance Angiography , Male , Middle Aged , Nimodipine/therapeutic use , Retrospective Studies , Vasodilator Agents/therapeutic use , Vasospasm, Intracranial/therapy
11.
Article in English | WPRIM | ID: wpr-50485

ABSTRACT

OBJECTIVE: Described herein is a microcatheter looping technique to facilitate aneurysm selection in paraclinoid aneurysms, which remains to be technically challenging due to the inherent complexity of regional anatomy. MATERIALS AND METHODS: This retrospective study was approved by our Institutional Review Board, and informed consent was waived. Microcatheter looping method was employed in 59 patients with paraclinoid aneurysms between January 2012 and December 2013. In the described technique, construction of a microcatheter loop, which is steam-shaped or pre-shaped, based on the direction of aneurysms, is mandatory. The looped tip of microcatheter was advanced into distal internal carotid artery and positioned atop the target aneurysm. By steering the loop (via inner microguidewire) into the dome of aneurysm and easing tension on the microcatheter, the aneurysm was selected. Clinical and morphologic outcomes were assessed with emphasis on technical aspects of the treatment. RESULTS: Through this looping technique, a total of 59 paraclinoid aneurysms were successfully treated. After aneurysm selection as described, single microcatheter technique (n = 25) was most commonly used to facilitate coiling, followed by balloon protection (n = 21), stent protection (n = 7), multiple microcatheters (n = 3), and stent/balloon combination (n = 3). Satisfactory aneurysmal occlusion was achieved through coil embolization in 44 lesions (74.6%). During follow-up of 53 patients (mean interval, 10.9 +/- 5.9 months), only one instance (1.9%) of major recanalization was observed. There were no complications related to microcatheter looping. CONCLUSION: This microcatheter looping method facilitates safe and effective positioning of microcatheter into domes of paraclinoid aneurysms during coil embolization when other traditional microcatheter selection methods otherwise fail.


Subject(s)
Adult , Carotid Artery, Internal/diagnostic imaging , Catheterization/methods , Cerebral Angiography/methods , Embolization, Therapeutic/methods , Female , Humans , Intracranial Aneurysm/therapy , Male , Middle Aged , Retrospective Studies , Stents
12.
West Indian med. j ; 62(7): 667-671, Sept. 2013. ilus
Article in English | LILACS | ID: biblio-1045723

ABSTRACT

Extracranial internal carotid artery aneurysms are rare. They may result in thromboembolic phenomena but spontaneous rupture is rare. The clinical presentation may be an asymptomatic neck mass or there may be symptoms of upper aerodigestive tract compression. The diagnosis may be suspected on clinical examination but radiologic investigations play an important role in diagnosis as well as in assessing the risk of complications of surgical intervention. We present a case of a patient with an extracranial internal carotid artery aneurysm, along with a short review of the treatment options.


Los aneurismas de la arteria carótida interna extracraneal son raros. Pueden ocasionar fenómenos tromboembólicos pero la ruptura espontánea no es común. La manifestación clínica puede ser una masa asintomático en el cuello, o pueden presentarse síntomas de compresión de las vías aerodigestivas superiores. Pueden producirse indicios para el diagnóstico a partir de sospechas durante el examen clínico, pero las investigaciones radiológicas desempeñan un papel importante a la hora de diagnosticar, y evaluar el riesgo de complicaciones de la intervención quirúrgica. Presentamos un caso de un paciente con un aneurisma de la arteria carótida interna extracraneal, junto con una breve reseña de las opciones de tratamiento.


Subject(s)
Humans , Middle Aged , Vascular Surgical Procedures/methods , Carotid Artery Diseases/diagnostic imaging , Carotid Artery, Internal , Aortic Aneurysm, Abdominal/diagnostic imaging , Aneurysm/diagnostic imaging , Renal Artery/diagnostic imaging , Carotid Artery Diseases/surgery , Carotid Artery, Internal/surgery , Carotid Artery, Internal/diagnostic imaging , Tomography, X-Ray Computed , Aneurysm/surgery
13.
Neurosciences. 2009; 14 (1): 31-36
in English | IMEMR | ID: emr-92222

ABSTRACT

To assess the significant association of atherosclerosis quantified by screening intima media thickness of bilateral common and internal carotid arteries in patients with asymptomatic and persistent hypertension with and without ischemic stroke. To assess the significant association of atherosclerosis quantified by screening intima media thickness of bilateral common and internal carotid arteries in patients with asymptomatic and persistent hypertension with and without ischemic stroke. The mean diameter as well as intima media thickness of common and internal carotid arteries was significantly higher in group IV than group II, II, and group I. These changes were associated with significant increased fasting serum cholesterol, lowdensity lipoprotein, and decreased high-density lipoprotein. Intima media thickness above one mm was significantly observed in hypertension with ischemic stroke [odd ratio 1.37]. The results support the importance of screening asymptomatic as well as sustained treated hypertension by carotid ultrasound Doppler


Subject(s)
Humans , Male , Female , Hypertension/diagnostic imaging , Carotid Artery, Internal/diagnostic imaging , Carotid Artery, Common/diagnostic imaging , Tunica Intima , Ultrasonography, Doppler
14.
LJM-Libyan Journal of Medicine. 2008; 3 (3): 128-133
in English | IMEMR | ID: emr-146644

ABSTRACT

Sphenoid sinus is the most inaccessible paranasal sinus, enclosed within the sphenoid bone and intimately related to numerous vital neural and vascular structures. Anatomic variation of the sphenoid sinus is well documented and may complicate surgery in such a place. To outline the surgically risky anatomic variants of the sphenoid sinus as well as the variable relationships between the sinus and related neurovascular structures, for the safe removal of intrasphenoid and pituitary lesions. We undertook a prospective review of 300 paranasal sinus CT scans of Libyan patients; coronal CT scans were obtained by special parameter techniques. We assessed pneumatization of pterygoid process [PP], anterior clinoid process [ACP], and greater wing of sphenoid [GWS]; we also examined protrusion and dehiscence of internal carotid artery [ICA], optic nerve [ON], maxillary nerve [MN], and vidian nerve [VN] into the sphenoid sinus cavity. Pneumatization of PP, ACP, and GWS were seen in 87 [29%], 46 [15.3%], and 60 patients [20%], respectively. Protrusion of ICA, ON, MN, and VN were noticed in 123 [41%], 107 [35.6%], 73 [24.3%], and 81 patients [27%], respectively; dehiscence of these structures was encountered in 90 [30%], 92 [30.6%], 39 [13%], and 111 patients [37%], respectively. Statistically, there was a highly significant association between ACP pneumatization and ICA protrusion, ACP pneumatization and ON protrusion, PP pneumatization and VN protrusion; and GWS pneumatization and MN protrusion [p-value < 0.001]. The sphenoid sinus is highly variable; this variability necessitates a comprehensive understanding of the regional sphenoid sinus anatomy by a detailed CT scan sinus examination before surgery in and around the sinus. This study indicates the possibility of a racial anatomical variation of the sphenoid sinus in the Libyan population


Subject(s)
Humans , Male , Female , Sphenoid Sinus/surgery , Carotid Artery, Internal/diagnostic imaging , Tomography, X-Ray Computed , Prospective Studies , Sphenoid Bone/pathology , Optic Nerve/diagnostic imaging , Chi-Square Distribution
16.
Neurol India ; 2005 Jun; 53(2): 213-5
Article in English | IMSEAR | ID: sea-121013

ABSTRACT

The authors report a case of an intracranial aneurysm associated with von Recklinghausen's neurofibromatosis. A 34-year-old woman presented with a history of headaches, unconsciousness and neck rigidity. Widespread cutaneous neurofibromas were found. Investigations revealed an aneurysm of the anterior communicating artery. The authors discuss this case and review the relevant literature.


Subject(s)
Adult , Carotid Artery, Internal/diagnostic imaging , Cerebral Angiography , Female , Humans , Intracranial Aneurysm/etiology , Magnetic Resonance Imaging , Neurofibromatosis 1/complications , Subarachnoid Hemorrhage/etiology , Tomography, X-Ray Computed
17.
Article in English | IMSEAR | ID: sea-85534

ABSTRACT

A young male patient, a known case of Eale's disease presented with a large isolated aneurysm of the extra-cranial part of internal carotid artery. Detailed investigation failed to establish the etiology of the aneurysm, and it is possible that the underlying pathology may be the same as that of Eale's disease. Eale's disease is an idiopathic vascular disease of the peripheral retina and we hypothesize that aneurysm in this patient may be associated with Eale's disease of the eye.


Subject(s)
Adult , Aneurysm/complications , Angiography , Carotid Artery Diseases/complications , Carotid Artery, Internal/diagnostic imaging , Humans , Male , Retinal Hemorrhage/complications
19.
Article in English | IMSEAR | ID: sea-43821

ABSTRACT

A traumatic intracavernous ICA aneurysm is a rare complication of head injury with skull base fracture. The hallmark of this condition is delayed, repeated, progressively worse and eventually fatal epistaxis. Inadequate treatment and delayed diagnosis are the major contributors to the high mortality. After epistaxis is controlled by anterior and posterior nasal packing, the patient should be investigated with carotid angiography and cross-flow study. In general, the acceptable procedure for this lesion is the trapping procedure by internal carotid artery ligation at the neck and clipping just proximal to the origin of the opthalmic artery, or by detachable balloon occlusion. However, Dolenc's technique of direct approach to cavernous sinus lesions makes it feasible to clip directly, as in this reported case.


Subject(s)
Adult , Aneurysm, Ruptured/etiology , Carotid Artery, Internal/diagnostic imaging , Cerebral Angiography , Craniocerebral Trauma/complications , Epistaxis/etiology , Hematoma, Epidural, Cranial/etiology , Humans , Male , Tomography, X-Ray Computed
20.
Article in English | WPRIM | ID: wpr-191167

ABSTRACT

This study was intended to correlate the appearance of the cavernous segment of the carotid artery on MR images with the presence of significant stenosis or occlusion of the cervical carotid artery as seen on angiograms in 37 patients with cerebrovascular disorders who had brain MRI and arteriography. Three patients demonstrated an isointense signal within the carotid artery's cavernous segment, correlating with complete carotid occlusion as seen angiographically. Ten patients had variable signal intensity and/or luminal narrowing in the carotid siphon; seven of these findings correlated with angiographic evidence of carotid occlusion, while carotid branch occlusion was seen angiographically in the other three. The demonstration of normal signal void within a normal-appearing cavernous segment of the internal carotid artery in the remaining 24 patients correlated with an absence of significant stenosis within the cervical segment in 21 patients. In the remaining three, significant disease of the internal carotid artery was found. Isointensity or luminal irregularity within the intracranial carotid artery can indicate complete occlusion or slow flow. The presence of normal flow void in the intracranial segment does not exclude significant abnormality of the cervical segment of the carotid artery.


Subject(s)
Adolescent , Adult , Aged , Arterial Occlusive Diseases/diagnosis , Carotid Artery Diseases/diagnosis , Carotid Artery, Internal/diagnostic imaging , Carotid Stenosis/diagnosis , Cerebrovascular Disorders/diagnosis , Female , Humans , Magnetic Resonance Imaging , Male , Middle Aged , Predictive Value of Tests , Retrospective Studies
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