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282 results on '"Figueiredo, Eberval G."'

5. Enhancing the quality of evidence, comparability, and reproducibility in brain arteriovenous malformations treated with open surgery research: a systematic review and proposal of a reporting guideline for surgical and clinical outcomes

Author

Ferreira, Marcio Y., Mitre, Lucas P., Bishay, Anthony E., Batista, Sávio, Palavani, Lucca B., Oliveira, Leonardo B., Semione, Gabriel, Andreão, Filipi F., Porto Junior, Silvio, Sousa, Marcelo P., Borges, Pedro G. L. B., Camerotte, Raphael, Bertani, Raphael, Lawton, Michael T., and Figueiredo, Eberval G.

Published
2024
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6. Surgical clipping and endovascular treatments for small or very small anterior communicating artery aneurysms: A comparative pooled analysis

Author

Batista, Sávio, Ferreira, Márcio Yuri, B. Oliveira, Leonardo, Semione, Gabriel, Bocanegra-Becerra, Jhon E., Bertani, Raphael, Palavani, Lucca B., de Macêdo Filho, Leonardo José Monteiro, Bertoli, Edmundo Damiani, Rabelo, Nicollas Nunes, Welling, Leonardo Christiaan, Figueiredo, Eberval G., and Lawton, Michael T.

Published
2024
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14. Microsurgical Clipping of Unruptured Anterior Circulation Aneurysms—A Global Multicenter Investigation of Perioperative Outcomes

Author

Sauvigny, Jennifer, primary, Drexler, Richard, additional, Pantel, Tobias F., additional, Ricklefs, Franz L., additional, Catapano, Joshua S., additional, Wanebo, John E., additional, Lawton, Michael T., additional, Sanchin, Aminaa, additional, Hecht, Nils, additional, Vajkoczy, Peter, additional, Raygor, Kunal, additional, Tonetti, Daniel, additional, Abla, Adib, additional, El Naamani, Kareem, additional, Tjoumakaris, Stavropoula I., additional, Jabbour, Pascal, additional, Jankowitz, Brian T., additional, Salem, Mohamed M., additional, Burkhardt, Jan-Karl, additional, Wagner, Arthur, additional, Wostrack, Maria, additional, Gempt, Jens, additional, Meyer, Bernhard, additional, Gaub, Michael, additional, Mascitelli, Justin R., additional, Dodier, Philippe, additional, Bavinzski, Gerhard, additional, Roessler, Karl, additional, Stroh, Nico, additional, Gmeiner, Matthias, additional, Gruber, Andreas, additional, Figueiredo, Eberval G., additional, Coelho, Antonio Carlos Samaia da Silva, additional, Bervitskiy, Anatoliy V., additional, Anisimov, Egor D., additional, Rzaev, Jamil A., additional, Krenzlin, Harald, additional, Keric, Naureen, additional, Ringel, Florian, additional, Park, Dougho, additional, Kim, Mun-Chul, additional, Marcati, Eleonora, additional, Cenzato, Marco, additional, Krause, Linda, additional, Westphal, Manfred, additional, Dührsen, Lasse, additional, and Sauvigny, Thomas, additional

Published
2024
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21. Global Outcomes for Microsurgical Clipping of Unruptured Intracranial Aneurysms: A Benchmark Analysis of 2245 Cases

Author

Drexler, Richard, Sauvigny, Thomas, Pantel, Tobias F., Ricklefs, Franz L., Catapano, Joshua S., Wanebo, John E., Lawton, Michael T., Sanchin, Aminaa, Hecht, Nils, Vajkoczy, Peter, Raygor, Kunal, Tonetti, Daniel, Abla, Adib, El Naamani, Kareem, Tjoumakaris, Stavropoula I., Jabbour, Pascal, Jankowitz, Brian T., Salem, Mohamed M., Burkhardt, Jan-Karl, Wagner, Arthur, Wostrack, Maria, Gempt, Jens, Meyer, Bernhard, Gaub, Michael, Mascitelli, Justin R., Dodier, Philippe, Bavinzski, Gerhard, Roessler, Karl, Stroh, Nico, Gmeiner, Matthias, Gruber, Andreas, Figueiredo, Eberval G., da Silva Coelho, Antonio Carlos Samaia, Bervitskiy, Anatoliy V., Anisimov, Egor D., Rzaev, Jamil A., Krenzlin, Harald, Keric, Naureen, Ringel, Florian, Park, Dougho, Kim, Mun-Chul, Marcati, Eleonora, Cenzato, Marco, Westphal, Manfred, Dührsen, Lasse, Drexler, Richard, Sauvigny, Thomas, Pantel, Tobias F., Ricklefs, Franz L., Catapano, Joshua S., Wanebo, John E., Lawton, Michael T., Sanchin, Aminaa, Hecht, Nils, Vajkoczy, Peter, Raygor, Kunal, Tonetti, Daniel, Abla, Adib, El Naamani, Kareem, Tjoumakaris, Stavropoula I., Jabbour, Pascal, Jankowitz, Brian T., Salem, Mohamed M., Burkhardt, Jan-Karl, Wagner, Arthur, Wostrack, Maria, Gempt, Jens, Meyer, Bernhard, Gaub, Michael, Mascitelli, Justin R., Dodier, Philippe, Bavinzski, Gerhard, Roessler, Karl, Stroh, Nico, Gmeiner, Matthias, Gruber, Andreas, Figueiredo, Eberval G., da Silva Coelho, Antonio Carlos Samaia, Bervitskiy, Anatoliy V., Anisimov, Egor D., Rzaev, Jamil A., Krenzlin, Harald, Keric, Naureen, Ringel, Florian, Park, Dougho, Kim, Mun-Chul, Marcati, Eleonora, Cenzato, Marco, Westphal, Manfred, and Dührsen, Lasse

Abstract

BACKGROUND AND OBJECTIVES: Benchmarks represent the best possible outcome and help to improve outcomes for surgical procedures. However, global thresholds mirroring an optimal and reachable outcome for microsurgical clipping of unruptured intracranial aneurysms (UIA) are not available. This study aimed to define standardized outcome benchmarks in patients who underwent clipping of UIA. METHODS: A total of 2245 microsurgically treated UIA from 15 centers were analyzed. Patients were categorized into low- ("benchmark") and high-risk ("nonbenchmark") patients based on known factors affecting outcome. The benchmark was defined as the 75th percentile of all centers' median scores for a given outcome. Benchmark outcomes included intraoperative (eg, duration of surgery, blood transfusion), postoperative (eg, reoperation, neurological status), and aneurysm-related factors (eg, aneurysm occlusion). Benchmark cutoffs for aneurysms of the anterior communicating/anterior cerebral artery, middle cerebral artery, and posterior communicating artery were determined separately. RESULTS: Of the 2245 cases, 852 (37.9%) patients formed the benchmark cohort. Most operations were performed for middle cerebral artery aneurysms (53.6%), followed by anterior communicating and anterior cerebral artery aneurysms (25.2%). Based on the results of the benchmark cohort, the following benchmark cutoffs were established: favorable neurological outcome (modified Rankin scale ≤2) ≥95.9%, postoperative complication rate ≤20.7%, length of postoperative stay ≤7.7 days, asymptomatic stroke ≤3.6%, surgical site infection ≤2.7%, cerebral vasospasm ≤2.5%, new motor deficit ≤5.9%, aneurysm closure rate ≥97.1%, and at 1-year follow-up: aneurysm closure rate ≥98.0%. At 24 months, benchmark patients had a better score on the modified Rankin scale than nonbenchmark patients. CONCLUSION: This study presents internationally applicable benchmarks for clinically relevant outcomes after microsurgical clipping of UIA.

Published
2023

28. Minipterional Approach for Middle Fossa Skull Base Lesions: Technical Note.

Author

Mura, Jorge M., Rabelo, Nícollas N., Telles, Joao P. M., Poblete, Tomás, Hernández-Álvarez, Víctor, Muñoz, Sebastián, and Figueiredo, Eberval G.

Subjects
SKULL base, ARACHNOID cysts, TRIGEMINAL neuralgia, INTRACRANIAL aneurysms, CEREBRAL arteries, THERAPEUTICS
Abstract

Surgical access to the middle fossa can be technically challenging. As neurosurgery evolves to minimally invasive approaches, the objective of this study is to demonstrate the extension of the Minipterional approach to access the middle fossa. We present a new surgical approach to the middle fossa for the treatment of secondary trigeminal neuralgia. Three cases are reported to illustrate the following techniques: a patient with petrotentorial meningioma and trigeminal neuralgia, a patient with an arachnoid cyst compressing the fifth nerve, and a patient with a middle cerebral artery aneurysm and a long history of TN (trigeminal neuralgia) refractory to medical and surgical treatments. All three experienced full symptom controls with no permanent neurological deficits. Therefore, the Minipterional technique might represent a feasible, effective, and safe option to treat refractory secondary TN. It also allows approaching these lesions when the posterior fossa approach is compromised by anatomical distortion and enables the simultaneous treatment of secondary trigeminal neuralgia and other lesions, such as aneurysms and meningiomas. [ABSTRACT FROM AUTHOR]

Published
2023
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42. Spheno-orbital meningiomas: Is orbit reconstruction mandatory? Long-term outcomes and exophthalmos improvement.

Author

Gomes dos Santos, Alexandra, Silva Paiva, Wellingson, Maria da Roz, Leila, do Espirito Santo, Marcelo Prudente, Jacobsen Teixeira, Manoel, Figueiredo, Eberval G., and Gomes da Silva, Vinicius Trindade

Subjects
CENTRAL nervous system tumors, ORBITS (Astronomy), EXOPHTHALMOS, RADIOTHERAPY, VISUAL acuity
Abstract

Background: Meningiomas correspond to one-third of all primary central nervous system tumors. Approximately 9% of them are spheno-orbital meningiomas (SOMs), presenting significant clinical symptoms as visual impairment and orbital esthetics. This article aims to evaluate exophthalmos' improvement in a surgical series without orbital reconstruction. Methods: We consecutively included all patients diagnosed with SOM, admitted to a single institution for 10 years. Surgical resection was the standard of care, associated or not with adjuvant radiation therapy. The radiological investigation included preoperative and postoperative head CT or MRI. We quantified proptosis through imaging. Results: Forty patients composed this series, 87.5% were female. Proptosis was the most common presentation (90%), followed by decreased visual acuity (65%), motility deficit (20%), and headache (20%). Gross total resection was achieved in 65% of the procedures. In late outcomes, 78% of the patients maintained or improved visual acuity and 85% maintained or improved headache. Proptosis significantly improved after surgery and along with the follow-up (P < 0.001). Ten patients were submitted to adjuvant RT, six of them after a subtotal resection. All patients of this subgroup had proptosis. It was observed a higher frequency of worse in visual acuity in patients submitted to RT (71% vs. 28%, P = 0.038). Conclusion: Resection of SOM was sufficient to stop the evolution of visual deficit and allowed the improvement of proptosis. Orbital reconstruction does not seem to be an essential step in reducing enophthalmos. [ABSTRACT FROM AUTHOR]

Published
2022
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49. 207.2: Immunomodulatory effect of thalidomide in the kidney of donor brain death experimental model.

Author

Silva, Filipe, primary, Sanatana, Alexandre C, additional, Pepineli, Rafael, additional, Feliciano, Regiane S, additional, Sala, Ana CG, additional, Schust, Amanda S, additional, Neri, Luis M, additional, Figueiredo, Eberval G, additional, Fernandes, Paulo MP, additional, Nepomuceno, Natalia A, additional, Ruiz, Liliane M, additional, and Dellê, Humberto, additional

Published
2019
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