A5033444411- Intracranial Aneurysms: Treatment and Complications
- Vascular Malformations Diagnosis and Treatment
- Meningioma and schwannoma management
- Moyamoya disease diagnosis and treatment
- Cerebrovascular and Carotid Artery Diseases
- Intracerebral and Subarachnoid Hemorrhage Research
- Neurological Complications and Syndromes
- Pituitary Gland Disorders and Treatments
- Traumatic Brain Injury and Neurovascular Disturbances
- Cerebrospinal fluid and hydrocephalus
- Neurosurgical Procedures and Complications
- Trigeminal Neuralgia and Treatments
- Head and Neck Surgical Oncology
- Adrenal and Paraganglionic Tumors
- Infectious Diseases and Tuberculosis
- Surgical Simulation and Training
- Anatomy and Medical Technology
- Fluid Dynamics Simulations and Interactions
- Neurological Disorders and Treatments
- Cerebrovascular and genetic disorders
- Medical Image Segmentation Techniques
- Paraoxonase enzyme and polymorphisms
- Digital Imaging in Medicine
- PI3K/AKT/mTOR signaling in cancer
- Lattice Boltzmann Simulation Studies
Instituto Nacional de Neurología y Neurocirugía
2008-2024
Universidad Nacional Autónoma de México
2008-2023
Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán
2020
Research Institute for Brain and Blood Vessels Akita
1992-1996
Universidad de Guadalajara
1984
Object The use of intracranial stents in stent-assisted coil embolization is now a current neurosurgical practice worldwide. clinical utility these the sole stenting (SS) technique, however, has not been thoroughly described, and published reports this experience are scarce. This study was designed to evaluate SS treatment dissecting nondissecting aneurysms posterior circulation. Methods prospective descriptive conducted 20 consecutive patients who harbored single circulation were treated...
Abstract IN VASCULAR NEUROSURGERY, the pterional approach has been used primarily for treatment of a wide variety diseases (cavernous angiomas, arteriovenous malformations, etc.), and it is to take advantage naturally occurring planes spaces expose major structures circle Willis. It provides access part anterior circulation aneurysms those in upper most proximal posterior circulation. Conversely, there an increasing interest so-called minimally invasive procedures or keyhole approaches...
The intraoperative anatomical findings of the anterior communicating artery (ACoA) complex in 46 patients with variations were compared to those an equal number without order determine visualization elements vascular complex. All underwent radical surgery for ACoA aneurysm by one three different surgical approaches: transsylvian, interhemispheric, or basal interhemispheric. Visualization was similar variations. differences observed dependent on approach selected and projection aneurysm. It...
<b><i>Purpose:</i></b> We sought to evaluate the long-term functional outcomes and identify potential risk factors for rebleeding in patients with brain stem cavernous malformations (BCMs) who presented hemorrhages were surgically or conservatively treated prospectively monitored. <b><i>Methods:</i></b> From January 1990 July 2015, we included first hemorrhagic episodes secondary single BCMs. Modified Rankin score (mRS) was used neurological...
THE OLFACTORY FUNCTION could be examined in 101 of 138 patients with anterior communicating artery aneurysms, whom we treated during a recent 6-year period. Among them, 49 underwent surgery by the interhemispheric approach and 52 basal approach. Fifteen (31%) exhibited anosmia after approach, whereas only one patient(1.9%) Unilateral dural incision unilateral brain retraction without elevation frontal lobe from base are important, because depression may injure olfactory nerve.
Serial transcranial Doppler (TCD) and cerebral blood flow (CBF) examinations were performed in 73 patients with subarachnoid hemorrhage (SAH) due to ruptured intracranial aneurysm evaluate vasospasm. Twenty-six (35.6%) of the developed ischemic neurological symptoms associated vasospasm, which reversible all except four (5.5%) who demonstrated low-density areas vasospasm on computed tomographic scans. In general, velocities middle arteries began increase soon after onset SAH, reaching...
✓ Vascular complications after percutaneous injection procedures for relief of trigeminal neuralgia are varied, ranging from puncture arterial or venous structures to carotid-cavernous fistulas. The authors present a patient in whom an external carotid artery fistula occurred microcompression procedure the treatment left-sided neuralgia. This is believed be first case this complication secondary facial pain.
OBJECTIVE In this study, the authors sought to define differences in incidence of delayed cerebral ischemia (DCI) between patients treated with dapsone and those placebo. Secondary objectives were clinical outcome at discharge 3 months brain infarction. METHODS A prospective, randomized, double-blind, placebo-controlled study was performed included aneurysmal subarachnoid hemorrhage (SAH) within 5 days from ictus who candidates for aneurysm occlusion, had a Fisher grade or 4. Patients sulfa...
Background: Microsurgical treatment of paraclinoid aneurysms is a complex task that generally requires anterior clinoid process (ACP) removal to obtain adequate surgical exposure. This procedure poses considerable technical difficulty due the association ACP critical neurovascular structures. Furthermore, anatomical variations in parasellar region, such as caroticoclinoid foramen (CCF) or an interclinoid bridge (ICB), may impose additional challenges and increase complications. The present...
A rare case of bilateral abducens nerve paralyses after rupture an anterior communicating artery (AcoA) aneurysm occurred in a 56-year-old female sudden onset severe headache. Bilateral were present without additional neuro-ophthalmological signs. Computed tomography revealed subarachnoid hemorrhage (SAH). Angiography showed AcoA (15 mm diameter, directed antero-inferiorly) that was successfully clipped. Postoperatively, the gradually recovered and disappeared 3 months onset. may occur SAH...
Three-dimensional (3D) neuroanatomical knowledge is vital in neurosurgery. Technological advances improved 3D anatomical perception, but they are usually expensive and not widely available. The aim of the present study was to provide a detailed description photo-stacking technique for high-resolution photography modeling.The described step-by-step approach. time image acquisition, file conversion, processing, final production measured using 2 processing methods. total number size images...
The occurrence of unilateral and bilateral moyamoya disease may be associated with intracranial aneurysms. These aneurysms are two types: major-artery peripheral-artery former arise at the circle Willis latter located mainly either vessels or choroidal arteries. We analyzed 76 patients cerebral who were affected unilaterally bilaterally. Of them, 10 cases studied by our group 66have been reported in other studies. characteristics assessed. frequency is 4-fold higher than moyamoya....
Background: Anomalies of the middle cerebral artery (MCA) are rare; among different types anomalies, aplastic or twig-like (Ap/T) MCA is extremely rare and has been reported under various names, including aplastic, unfused, rete type anomaly. The occurrence a brain aneurysm associated with this anatomic variant an even event, probably their development rupture related to hemodynamic stress tinny wall vessels forming network. Case Description: We present 43-year-old male patient explosive...
Aneurysms from the vertebrobasilar system are rare, accounting for only 5%-10% of all intracranial aneurysms. The most common sites in which these lesions occur bifurcation basilar artery and origin posterior inferior cerebellar (PICA). When aneurysms present distal portion PICA, they represent 0.5% to 6%. These called giant when exceed 25 mm diameter. We a case 49-year-old male who presented with acute obstructive hydrocephalus, required ventriculoperitoneal shunting left hemispheric...
Intracranial aneurysms in children account for 4%-5% of all cases, with 20% being considered giant (>25 mm). The main sites occurrence are the internal carotid artery (ICA) and middle cerebral (MCA). Rupture secondary subarachnoid hemorrhage occur approximately 55%-72.5% a 10%-23% mortality rate. We report case previously healthy nine-year-old girl who developed sudden, severe right retroocular pain holocranial headache as mode onset. Besides, patient presented double vision, her relatives...
Background: Lhermitte-Duclos disease (LDD) or dysplastic gangliocytoma of the posterior fossa is a slow-growing and extremely rare mass lesion that involves Purkinje neurons granular layer cerebellum. It characterized by specific neuroradiological features secondary hydrocephalus. However, documentation surgical experience scarce. Case Description: A 54-year-old man with LDD manifesting as progressive headache presented vertigo cerebellar ataxia. Magnetic resonance imaging demonstrated right...
Background: The middle cerebral artery (MCA) is a common site of aneurysms and 82.6% occur at the bifurcation. When surgery selected as therapeutic option, it intends to clip neck completely because if some remnant occurs, there exists possibility regrowth bleeding in short- or long-term. Methods: We analyzed one drawback fenestrated clips Yasargil Sugita types occlude totally specific point formed by union fenestra with blades, creating triangular space where aneurysm can protrude, giving...