A5038179661- Intracranial Aneurysms: Treatment and Complications
- Vascular Malformations Diagnosis and Treatment
- Cerebrovascular and Carotid Artery Diseases
- Meningioma and schwannoma management
- Spinal Fractures and Fixation Techniques
- Intracerebral and Subarachnoid Hemorrhage Research
- Moyamoya disease diagnosis and treatment
- Head and Neck Surgical Oncology
- Acute Ischemic Stroke Management
- Cerebrospinal fluid and hydrocephalus
- Traumatic Brain Injury and Neurovascular Disturbances
- Reservoir Engineering and Simulation Methods
- Stroke Rehabilitation and Recovery
- Neurosurgical Procedures and Complications
- Drilling and Well Engineering
- Cerebral Venous Sinus Thrombosis
- Oil and Gas Production Techniques
- Craniofacial Disorders and Treatments
- Spine and Intervertebral Disc Pathology
- Vascular Malformations and Hemangiomas
- Male Reproductive Health Studies
- Thyroid and Parathyroid Surgery
- Marine and Offshore Engineering Studies
- Women's cancer prevention and management
- Neurological disorders and treatments
Hospital Geral de Fortaleza
2023-2024
Hospital Santa Paula
2021
Hôpital Dupuytren
2014-2018
Université de Limoges
2015-2018
Université de Tours
2018
Grupo Santa Casa de Belo Horizonte
2009-2017
Baker Hughes (United States)
2014-2017
St. Joseph's Hospital and Medical Center
2013-2017
Barrow Neurological Institute
2013-2017
Universidade de Brasília
2017
BACKGROUND: Although initially considered safe when covering bifurcation sites, flow-diverting stents may provoke thrombosis of side branches that are covered during aneurysm treatment. OBJECTIVE: To understand the occurrence and clinical expression side-branch remodeling in distal intracranial arterial sites after flow diverter deployment by means correlation imaging data. METHODS: We analyzed our prospectively collected data on a series patients treated with diverters for aneurysms at...
OBJECT Ruptured cerebral arteriovenous malformations (AVMs) with deep localization and high Spetzler-Martin grades are associated considerable challenges regarding nidus eradication treatment. The authors report their experience curative endovascular transvenous embolization in a series of patients harboring “untreatable” lesions. METHODS Between January 2008 June 2013, protocol was implemented at the authors' institution for consecutive ruptured brain AVMs that were considered incurable by...
Curative transvenous embolization is an emerging strategy for treatment of cerebral arteriovenous malformations (AVMs).To assess contemporary outcomes as a stand-alone therapy AVMs.We prospectively followed 40 patients with 41 AVMs who underwent endovascular between January 2008 and 2015. Patient demographics, AVM characteristics, techniques used, angiographic results, clinical outcomes, complications were assessed independently.Thirty-eight (92.6%) anatomically cured. The mean patient age...
Hemorrhagic origin is unidentifiable in 10%-20% of patients presenting with spontaneous subarachnoid hemorrhage (SAH). While the such cases do well clinically, there a lack long-term angiographic followup. The authors present study evaluated clinical and follow-up patient cohort SAH unknown that had been enrolled Barrow Ruptured Aneurysm Trial (BRAT).The BRAT database was searched for despite having undergone two or more studies as MRI brain cervical spine. Follow-up available at 6 months 1...
Abstract BACKGROUND: Blister aneurysms of the internal carotid artery (ICA) are uncommon. There is a paucity data on long-term outcomes patients. OBJECTIVE: To review our experience with treatment these lesions. METHODS: We retrospectively reviewed all treated at institution between 1994 and 2005. Relevant operative notes, radiology reports, inpatient/outpatient records were reviewed. RESULTS: Seventeen patients (3 male, 14 female) 18 blister ICA identified. The mean age was 44.6 years...
<b>Objective</b> Endoscopic ipsilateral endonasal transmaxillary, contralateral transseptal and Caldwell-Luc approaches can access lesions within the retromaxillary space pterygopalatine fossa. We compared exposure surgical freedom of these transmaxillary to assist with decision making. <b>Design</b> Four cadaveric heads were dissected bilaterally using three just described. Prior dissection, stereotactic computed tomography (CT) scans obtained on each head obtain anatomical measurements....
Este estudo teve como objetivo identificar a taxa de mortalidade do câncer colo útero entre os anos 2013 2022 no Estado Tocantins. Trata-se uma pesquisa observacional transversal, onde foi usado fonte secundária o site DataSus e INCA para ser encontrada informações sobre mortalidade, fatores risco distribuição geográfica, assim utilizado bancos dados SCIELO, LILACS PUBMED busca artigos científicos que acrescentassem coerência confiabilidade presente estudo. Foi identificado, alta estado...
A endometriose é uma doença caracterizada pela presença de tecido endometrial funcional fora da cavidade uterina e do miométrio (FEBRASGO, 2021), associada a sintomas como dismenorreia, dispareunia infertilidade. Realizou-se revisão integrativa na base dados Literatura Latino-Americana Caribe em Ciências Saúde (LILACS) e, contando com auxilio das estratégias PICOT (LIRA; ROCHA; PICOT, 2019) PRISMA 2020 (PAGE et al, 2022), foram selecionados 13 artigos. Evidenciou-se, portanto, que, por...
Transvenous embolization is a developing concept for curative therapy of cerebral arteriovenous malformations (AVMs). The feasibility this endovascular method has not been reported in children.To report our experience treating pediatric AVMs with the transvenous approach (TVA).A cohort 7 patients (younger than 18 years age) who underwent TVA between January 2012 and 2014. was used alone or conjunction other arterial approaches definitive sessions. Patient demographics, AVM characteristics,...
Dural substitutes are used to achieve watertight closure of the dura mater when adequate is not possible. The purpose this study was evaluate efficacy and safety a new collagen matrix dural substitute (Duradry, Technodry, Belo Horizonte MG) in repair or expansion cranial spinal mater. METHOD: Thirty patients, operated on between March September, 2008, were studied. Surgical records reviewed for sex, age, location graft, technique, presence fistula infection. patients followed up at least 3...
OBJECTIVE Even though published data exist concerning the prevalence of ischemic lesions detected by diffusion-weighted imaging (DWI) following endovascular treatment intracranial aneurysms, a single-center cross-evaluation different techniques has been lacking. The authors sought to prospectively evaluate and clinical significance occurring after aneurysms compare safety effectiveness broad spectrum currently accepted in setting. METHODS This was prospective cohort study involving...
The management of arteriovenous malformations (AVMs) in the basal ganglia, insula, and thalamus is demanding for all treatment modalities.To define safety outcomes embolization used as a stand-alone therapy deep-seated AVMs.A cohort 22 patients with AVMs located thalamus, insula who underwent between January 2008 December 2013.Eighteen (82%) had anatomic exclusion. mean size was 2.98 ± 1.28 cm, number sessions 2.1 per patient. Most presented hemorrhage (82%, n = 18), 3 (14%) were...
OBJECTIVE The outcome for jailing arterial branches that emerge near intracranial aneurysms during flow-diverting stent (FDS) deployment remains controversial. In this animal study, the authors aimed to elucidate role of collateral supply with regard hemodynamic changes and neointimal modifications occur from arteries FDSs. To serve purpose, sought quantify 1) at jailed immediately after placement 2) ostia surface values 3 months stenting; both parameters were investigated in presence or...
The far-lateral transcondylar surgical approach is often used to clip vertebral artery (VA) and posterior inferior cerebellar (PICA) aneurysms. role of condyle resection during this controversial.To evaluate patient outcomes in patients with VA-PICA aneurysms whom drilling the occipital was not necessary.Between May 2005 December 2012, a total 56 consecutive incidental or ruptured underwent surgery without condylar resection. Clinical presentation, reports, presurgery postsurgery...
BACKGROUND: The management of basilar apex (BX) aneurysms remains problematic. OBJECTIVE: We quantified the surgical exposure BX through opticocarotid window (OCW) and carotid-oculomotor (COW), before after mobilization internal carotid artery division posterior communicating (PCoA). METHODS: Eleven silicone-injected cadaveric heads were dissected bilaterally. dissection was divided into 4 major steps: (1) supraorbital modified orbitozygomatic craniotomy, (2) drilling out anterior clinoid...
Flow-diverter stent (FDS) deployment can cause morphological and hemodynamic changes in the carotid siphon (CS), influencing occlusion rate of aneurysms this location. To evaluate to CS after FDS their relationship with intracranial aneurysms. A cohort 183 patients were treated by Pipeline® (Medtronic Inc, Dublin, Ireland). Their CSs classified as type U, V, C, or S, depending on morphology. The posterior anterior bend angles measured strict lateral cerebral angiogram digital subtraction...
OBJECT The primary disadvantage of the posterior cervical approach for atlantoaxial stabilization after odontoidectomy is that it conducted as a second-stage procedure. goal current study to assess surgical feasibility and biomechanical performance an endoscopic endonasal technique C1-2 fixation may eliminate need odontoidectomy. METHODS first step was perform anatomical dissections craniovertebral junction in 10 silicone-injected fixed cadaveric heads identify relevant landmarks. second...
OBJECTIVE The authors describe herein the creation of an animal model capable producing quantifiable data regarding blood flow rate and velocity modifications in terminal anastomotic types cerebrofacial circulation. They also present preliminary results a translational study aimed at investigating role circulation arterial branches jailed by flow-diverting stents as factors contributing to patency or occlusion. METHODS Two Large White swine were used validate terminal-type level right...
OBJECTIVE Transvertebral screws provide stability in thoracic spinal fixation surgeries, with their use mainly limited to patients who require a pedicle screw salvage technique. However, the biomechanical impact of transvertebral alone, when they are inserted across 2 vertebral bodies, has not been studied. In this study, authors assessed offered by construct for posterior instrumentation and compared its performance that standard bilateral rod (PSR) fixation. METHODS Fourteen fresh human...
Recurrent feeders may preclude a successful arterial catheterization of arteriovenous malformations (AVMs). In this paper, the authors report their experience with use compliant balloon to assist microcatheter navigation in AVMs supplied by recurrent configuration. Eight patients had unsuccessful after multiple attempts catheterize pedicle. A was inflated parent artery immediately origin feeder. The then advanced over wire while provided support for navigation. Distal access close nidus...
Cranial nerve injury (CNI) is the most common neurological complication associated with carotid endarterectomy (CEA). Some authors postulate that transverse skin incision leads to increased risk of CNI.We compared incidence CNI and longitudinal incisions in a high-volume cerebrovascular center.We reviewed charts 226 consecutive patients who underwent CEAs between January 2007 August 2009. Pre- postoperative standardized evaluations were performed by faculty neurologists neurosurgeons.One...
<h3>BACKGROUND AND PURPOSE:</h3> Intracranial aneurysm is a devastating disease of complex etiology that not fully understood. The purpose this study was to assess the implications carotid siphon anatomy for formation and development intracranial aneurysms. <h3>MATERIALS METHODS:</h3> Between January 2007 May 2015, lateral view digital subtraction angiographic images 692 consecutive patients with aneurysms treated in our department interventional neuroradiology were reviewed had their angles...
Fahr’s disease (FD), also called idiopathic striopallidodentate calcinosis, nonarteriosclerotic cerebral calcification or basal ganglia calcification1,2, is a rare clinical entity characterized by movement disorders, dementia and behavioral disorders related to symmetric bilateral calcifications of the ganglia. Sporadic family cases have been reported1-3. FD should be differentiated from Fahr’ syndrome. The latter defined as associated with neuropsychiatric manifestations that preferentially...