María Isabel Ocampo-Navia

ORCID: 0000-0003-1148-7523
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About
Contact & Profiles
Research Areas
  • Glioma Diagnosis and Treatment
  • Neuroblastoma Research and Treatments
  • Cerebrovascular and Carotid Artery Diseases
  • Meningioma and schwannoma management
  • Intracranial Aneurysms: Treatment and Complications
  • Aortic aneurysm repair treatments
  • Cerebrospinal fluid and hydrocephalus
  • Myasthenia Gravis and Thymoma
  • Moyamoya disease diagnosis and treatment
  • Chronic Lymphocytic Leukemia Research
  • Platelet Disorders and Treatments
  • Pulmonary Hypertension Research and Treatments
  • Aortic Thrombus and Embolism
  • Head and Neck Surgical Oncology
  • Neurological Complications and Syndromes
  • Acute Ischemic Stroke Management
  • Autoimmune Bullous Skin Diseases
  • Hypertrophic osteoarthropathy and related conditions
  • Biological Research and Disease Studies
  • Teratomas and Epidermoid Cysts
  • Peripheral Neuropathies and Disorders
  • Anatomy and Medical Technology
  • Congenital Diaphragmatic Hernia Studies
  • Higher Education Teaching and Evaluation
  • Cerebral Venous Sinus Thrombosis

Pontificia Universidad Javeriana
2017-2025

Hospital Universitario San Ignacio
2018-2025

The University of Texas Health Science Center at San Antonio
2024

Fundación Valle del Lili
2022

University of Illinois Chicago
2020

Benito Juárez Autonomous University of Oaxaca
2017

<title>Abstract</title> Purpose The trunk of the BA remains underrepresented in microsurgical studies. This study aims to address this gap by providing a detailed review BA's anatomy, proposing novel segmental classification artery and significance each segment various surgical pathologies approaches. Methods A total 20 cadaveric adult brain specimens were meticulously examined under high magnification, following Institutional Review Board approval. dissection focused on its branches, with...

10.21203/rs.3.rs-5867946/v1 preprint EN cc-by Research Square (Research Square) 2025-01-24

Objective: Skull base meningiomas account for approximately 25% of intracranial and pose significant therapeutic challenges due to their proximity critical neurovascular structures. This study aims review the management vascular injuries during endoscopic endonasal approaches (EEA) resecting anterior middle cranial fossa. Given potential severe morbidity mortality resulting from complications, this focuses on identifying key anatomic landmarks, predisposing factors, strategies managing such...

10.1055/s-0045-1803126 article EN Journal of Neurological Surgery Part B Skull Base 2025-02-01

BACKGROUND AND OBJECTIVES: Dual antiplatelet therapy (DAPT) is necessary to minimize the risk of periprocedural thromboembolic complications associated with aneurysm embolization using pipeline device (PED). We aimed assess impact platelet function testing (PFT) on reducing PED flow diversion in patients receiving aspirin and clopidogrel. METHODS: Patients unruptured intracranial aneurysms requiring were identified from 13 centers for retrospective evaluation. Clinical variables including...

10.1227/neu.0000000000002956 article EN Neurosurgery 2024-04-18

Endoluminal flow diversion reduces blood into intracranial aneurysms, promoting thrombosis. Postprocedural dual antiplatelet therapy (DAPT) is necessary for the prevention of thromboembolic complications. The purpose this study to therefore assess impact that type and duration DAPT has on aneurysm occlusion rates iatrogenic complications after diversion.A retrospective review a multicenter database was performed from 2012 2020 identify unruptured aneurysms treated with single device...

10.1097/rct.0000000000001457 article EN Journal of Computer Assisted Tomography 2023-08-02

Encephaloceles are rare congenital anomalies resulting from neural tube defects, where abnormal openings of the skull permit herniation intracranial contents. This condition is uncommon in Western countries, but more prevalent Southeast Asia and Africa. Frontoethmoidal encephaloceles account for approximately 20% cases encompass nasofrontal, nasoethmoidal naso-orbital defects. Diagnosis surgical planning entails performing neuroimages, treatment requires a multidisciplinary team. Meticulous...

10.1016/j.inat.2023.101863 article EN cc-by-nc-nd Interdisciplinary Neurosurgery 2023-10-25

Pulmonary hypertension is a chronic vascular disease characterized by pulmonary vasoconstriction and arterial remodeling. remodeling mainly due to small wall thickening lumen occlusion. Previous studies have described intravascular changes in lung sections using histopathology, but few were able obtain fine detailed image of the system. In this study, we used Microfil compounds cast arteries rat model monocrotaline‐induced hypertension. High‐quality images that enabled quantification distal...

10.1177/2045894020922129 article EN cc-by-nc Pulmonary Circulation 2020-04-14

Los tumores primarios del sistema nervioso representaron aproximadamente el 1,4 % de los nuevos diagnósticos cáncer en 2015 y causan 2,6 las muertes por cáncer. Estos tienen una mayor implicación clínica la población infantil adultos jóvenes; su incidencia disminuye con edad. más frecuentes incluyen meningiomas, gliomas pituitarios. En este artículo se hace revisión actualizada sobre epidemiología nervioso, así como principales características actualizaciones manejo prevalentes adulta.

10.11144/javeriana.umed60-1.cere article ES cc-by Universitas Médica 2018-12-18

Introducción: En 2018, los tumores del sistema nervioso representaron aproximadamente el 1,4 % de nuevos diagnósticos cáncer, que causaron 2,6 las muertes por esta enfermedad. Colombia hay pocos informes sobre la epidemiología cerebrales, y existen son a partir bases datos locales no tienen representatividad poblacional. Objetivo: Determinar sobrevida cerebrales en Colombia. Materiales métodos: Estudio observacional descriptivo retrospectivo, mediante registros cáncer base poblacional para...

10.11144/javeriana.umed61-3.sobr article ES cc-by Universitas Médica 2020-05-07

Background: Thymic squamous cell carcinoma (TSCC) is a rare malignancy, accounting for less than 5% of all thymic tumors. However, its occurrence can carry significant clinical implications due to poorly understood pathological features and the absence established management guidelines. While risk factors TSCC remain elusive, it exhibits predilection 2:1 male-to-female ratio, higher incidence rates in Asian populations, median age diagnosis fifth or sixth decade life.

10.1055/s-0044-1780045 article EN Journal of Neurological Surgery Part B Skull Base 2024-02-01

Thymic squamous cell carcinoma (TSCC) is a rare cancer that typically characterized by low rates of brain metastases. However, when it does occur, metastases TSCC can have significant clinical implications due to its rarity and lack established management guidelines. In this literature review case report, we explore the presentation, management, outcomes patients with TSCC. Our found are relatively rare, an estimated incidence 5-10 % among advanced-stage disease. Management often involves...

10.1016/j.dscb.2024.100154 article EN cc-by-nc-nd Brain Disorders 2024-07-05

Background The purpose of this study is to evaluate the impact multiple overlapping flow‐diverting stents have on aneurysm occlusion rates and iatrogenic complications relative single stents. Methods A retrospective review a multicenter database from 2012 2020 was performed identify saccular aneurysms treated initially with ≥12‐month angiographic clinical follow‐up. Aneurysm as function stent number served primary outcome measure serving secondary measure. Results total 250 patients were...

10.1161/svin.121.000188 article EN cc-by-nc-nd Stroke Vascular and Interventional Neurology 2022-02-24

Un entendimiento preciso de la anatomía cerebral es fundamental en práctica y entrenamiento los neurocirujanos. El estudio anatómico cadáveres se ha convertido uno métodos más útiles dentro este campo debido a que permite el variaciones anatómicas poblaciones habilidades quirúrgicas (técnica, profundidad, visoespacialidad) por medio las disecciones para mejor humana del sistema nervioso central. Por ello, técnicas preservación coloración tejido surgen como una alternativa educación...

10.11144/javeriana.umed62-1.teac article ES cc-by Universitas Médica 2021-01-18

El vértigo se define como una sensación rotacional de movimiento y es uno los principales motivos consulta en urgencias. Aproximadamente entre el 5 7% pacientes que asisten a Medicina General han presentado esta afección último año. Por este motivo, necesario tener adecuada orientación casos permita identificar su causa diferenciar la patología central periférica lo permitirá abordar manera adecuada, distinguir aquellos requieran hospitalización para estudios complementarios pueden ser...

10.22379/24224022273 article ES Acta neurológica colombiana 2020-01-01

El dolor facetario lumbar es una de las principales causas lumbar; representa alrededor del 15-56%. La articulación facetaria estabiliza la columna vertebral, tiene un rol fundamental en el soporte, distribución peso y regulación los movimientos rotacionales columna. Por ello, conocimiento anatomía biomecánica esta ayuda a tener mejor comprensión su participación fisiopatología y, por ende, mejora abordaje diagnóstico terapéutico. Nosotros revisamos aquí conceptos actuales embriología,...

10.59156/revista.v34i03.130 article ES Revista Argentina de Neurocirugía 2020-09-10
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