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Bharadwaj HR, Awuah WA, Adebusoye FT, Tan JK, Ali SH, Pacheco-Barrios N, Papadakis M. Awake craniotomies in South America: Advancements, challenges, and future prospects. J Cent Nerv Syst Dis 2024; 16:11795735241238681. [PMID: 38487717 PMCID: PMC10938621 DOI: 10.1177/11795735241238681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 02/19/2024] [Indexed: 03/17/2024] Open
Abstract
BACKGROUND: Awake craniotomy has emerged as an advanced surgical technique, characterized by keeping the patient awake during brain surgery. In South America, awake craniotomies have grained traction in neurosurgical practices across various medical centres and hospitals, with notable practitioners contributing to its growth and refinement in the region. PURPOSE: This study aims to explore the integration and impact of awake craniotomies in South American neurosurgical practices. The focus is on understanding the benefits, challenges, and potential transformative effects of the procedure in the region. RESEARCH DESIGN: A comprehensive narrative review and analysis through a thorough examination of the existing literature. RESULTS: The findings indicate that awake craniotomies in South America offer substantial benefits, including cost savings thorugh reduced hospitalization time, quicker recovery and decreased morbidity. Enhanced safety, effective pain management and reduced anaesthesia also contribute to this. CONCLUSION: Whilst the adaptation of awake craniotomies in South America holds great promise in transforming neurosurgical care in the region, significant challenges hinder its widespread adoption. Inadequate infrastructure, limited access to equipment, financial instability, and shortages in trained healthcare providers represent challenges that need to be addressed.
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Affiliation(s)
- Hareesha R. Bharadwaj
- Faculty of Biology, Medicine and Health, The University of Manchester, Manchester, UK
| | | | | | - Joecelyn K. Tan
- Faculty of Medicine, University of St Andrews, St Andrews, UK
| | - Syed H. Ali
- Dow University of Health Sciences, Dow Medical College, Karachi, Pakistan
| | | | - Marios Papadakis
- Department of Surgery II, University Hospital Witten-Herdecke, University of Witten-Herdecke, Wuppertal, Germany
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Figueredo LF, Shelton WJ, Tagle-Vega U, Sanchez E, de Macedo Filho L, Salazar AF, Murguiondo-Pérez R, Fuentes S, Marenco-Hillembrand L, Suarez-Meade P, Ordoñez-Rubiano E, Gomez Amarillo D, Albuquerque LAF, de Amorim RLO, Vasquez CM, Baldoncini M, Mejia JA, Niño C, Ramon JF, Hakim F, Mendez-Rosito D, Navarro-Bonnet J, Quiñones-Hinojosa A, Almeida JP. The state of art of awake craniotomy in Latin American countries: a scoping review. J Neurooncol 2023; 164:287-298. [PMID: 37698707 DOI: 10.1007/s11060-023-04433-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 08/22/2023] [Indexed: 09/13/2023]
Abstract
BACKGROUND AND OBJECTIVE Awake craniotomy (AC) is a valuable technique for surgical interventions in eloquent areas, but its adoption in low- and middle-income countries faces challenges like limited infrastructure, trained personnel shortage, and inadequate funding. This scoping review explores AC techniques in Latin American countries, focusing on patient characteristics, tumor location, symptomatology, and outcomes. METHODS A scoping review followed PRISMA guidelines, searching five databases in English, Spanish, and Portuguese. We included 28 studies with 258 patients (mean age: 43, range: 11-92). Patterns in AC use in Latin America were analyzed. RESULTS Most studies were from Brazil and Mexico (53.6%) and public institutions (70%). Low-grade gliomas were the most common lesions (55%), most of them located in the left hemisphere (52.3%) and frontal lobe (52.3%). Gross-total resection was achieved in 34.3% of cases. 62.9% used an Asleep-Awake-Asleep protocol, and 14.8% used Awake-Awake-Awake. The main complication was seizures (14.6%). Mean post-surgery discharge time was 68 h. Challenges included limited training, infrastructure, and instrumentation availability. Strategies discussed involve training in specialized centers, seeking sponsorships, applying for awards, and multidisciplinary collaborations with neuropsychology. CONCLUSION Improved accessibility to resources, infrastructure, and adequate instrumentation is crucial for wider AC availability in Latin America. Despite disparities, AC implementation with proper training and teamwork yields favorable outcomes in resource-limited centers. Efforts should focus on addressing challenges and promoting equitable access to this valuable surgical technique in the region.
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Affiliation(s)
- Luisa F Figueredo
- Department of Psychiatry, NYU Langone Health, New York City, New York, USA.
- Department of Neurosurgery, Mayo Clinic Florida, Jacksonville, Florida, USA.
- Faculty of Medicine, Universidad de Los Andes, Bogota, Colombia.
| | - William J Shelton
- Department of Neurosurgery, Mayo Clinic Florida, Jacksonville, Florida, USA
- Faculty of Medicine, Universidad de Los Andes, Bogota, Colombia
| | - Uriel Tagle-Vega
- Facultad de Ciencias de La Salud, Escuela Profesional de Medicina Humana, Universidad Andina del Cusco, Cusco, Perú
| | - Emiliano Sanchez
- Department of Neurosurgery, Mayo Clinic Florida, Jacksonville, Florida, USA
| | - Leonardo de Macedo Filho
- Department of Neurosurgery, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania, USA
| | - Andres F Salazar
- Department of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia
- Faculty of Medicine, Universidad de Los Andes, Bogota, Colombia
| | - Renata Murguiondo-Pérez
- Faculty of Health Sciences, Universidad Anáhuac México Norte, Huixquilucan, Edo. Mex, México
| | - Santiago Fuentes
- Department of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | | | - Paola Suarez-Meade
- Department of Neurosurgery, Mayo Clinic Florida, Jacksonville, Florida, USA
| | | | | | | | - Robson Luis Oliveira de Amorim
- Getúlio Vargas Universitary Hospital, Manaus, Amazonas, Brazil
- Department of Neurosurgery, Hospital Adventista de Manaus, Amazonas, Brazil
| | - Carlos M Vasquez
- Unidad de Neurocirugía Funcional Y Oncológica, Instituto Nacional de Ciencias Neurológicas, Lima, Perú
| | - Matias Baldoncini
- Department of Neurosurgery, Hospital de San Fernando, Buenos Aires, Argentina
| | - Juan Armando Mejia
- Department of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - Claudia Niño
- Department of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | | | - Fernando Hakim
- Department of Neurosurgery, Fundación Santa Fe de Bogotá, Bogotá, Colombia
| | - Diego Mendez-Rosito
- Centro Médico Nacional 20 de Noviembre, Skull Base Program Director, Mexico D. F, Mexico
| | - Jorge Navarro-Bonnet
- Department of Neurosurgery, Angeles Health System/Medica Sur Clinical Foundation, Mexico City, Mexico
| | | | - Joao Paulo Almeida
- Department of Neurosurgery, Mayo Clinic Florida, Jacksonville, Florida, USA
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Intraoperative brain mapping during awake surgery in symptomatic supratentorial cavernomas. ACTA ACUST UNITED AC 2021; 32:217-223. [PMID: 34493402 DOI: 10.1016/j.neucie.2020.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 07/13/2020] [Indexed: 11/20/2022]
Abstract
BACKGROUND Complete resection of symptomatic supratentorial cavernoma (SCA) and removal of the surrounding gliotic area is recommended to minimize the risk of persistent seizures or (re)bleeding. Surgery of SCA located in an eloquent area, can carry out severe postoperative neurological morbidity. We report a study aimed to assess feasibility, extent of resection and outcome after surgical removal of CA by cortico-subcortical intraoperative brain stimulation (ioBS) in the awake patient. METHODS Six patients diagnosed of symptomatic SCA located on an eloquent area and operated on while awake under local anaesthesia ioBS, were included. Preoperative planning included neuropsychologic assessment of language-related functions, sociocognitive functions and executive functions. Intraoperatively, we recorded the results achieved in the planned neuropsychological tasks when stimulation was applied (cortical and subcortical). Postoperative control 3D MRI was scheduled at 1 month after surgery to calculate extent of resection. Neuropsychological assessment at 6 months after surgery was performed in all cases. RESULTS Six patients (5 females, 1 male) aged 24-48 years were included in our study. Locations of the lesions were right insular (n=1), left insular (n=1), left temporo-insular (n=1), left temporal (n=2) and left frontal (n=1). In all patients, positive findings were obtained during ioBS. In 5 patients, complete surgical resection was achieved. Two patients had postoperative transient neurological deficits, one case of hemiparesis, one case of dysnomia, both cleared over a 6-month period. Clinical follow-up revealed that all patients experienced complete recovery from preoperative symptoms within a year and five patients with seizures showed marked improvement and eventually quit antiepileptic drugs. Neuropsychological assessment at 6 months provided normal results compared to preoperative baseline in all domains. CONCLUSIONS Our study suggests that ioBS in the awake surgery of symptomatic SCA located in eloquent areas, allows to increase the rate of complete resection, minimizing postoperative neurological and neuropsychological deficit, and improving postoperative seizures control.
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Minkin K, Gabrovski K, Karazapryanov P, Milenova Y, Sirakov S, Karakostov V, Romanski K, Dimova P. Awake Epilepsy Surgery in Patients with Focal Cortical Dysplasia. World Neurosurg 2021; 151:e257-e264. [PMID: 33872840 DOI: 10.1016/j.wneu.2021.04.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 04/05/2021] [Accepted: 04/06/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Awake craniotomy (AC) and direct electric stimulation emerged together with epilepsy surgery >80 years ago. The goal of our study was to evaluate the benefits of awake surgery in patients with drug-resistant epilepsy caused by focal cortical dysplasia (FCD) affecting eloquent areas. METHODS Our material included 95 patients with drug-resistant epilepsy and FCD, who were operated on between January 2009 and December 2018. These 95 patients were assigned into 3 groups: AC; general anesthesia (GA) with intraoperative neuromonitoring; and GA without intraoperative neuromonitoring. We investigated the following variables: age at surgery, lesion side, eloquent cortex involvement, brain mapping success rate, epilepsy surgery success rate, intraoperative complications, postoperative complications, and intraoperative changes of the preoperative resection plan according to results of the brain mapping by direct electric stimulation. RESULTS We found statistically significant differences between the AC and GA groups in the mean age at operation, lesion side, eloquent localization, and postoperative transient neurologic deficit. Seizure outcome in the AC was satisfactory (71% complete seizure control) and comparable to the seizure outcome in the GA groups. Our preoperative plan was changed because of functional constraints in 6 patients (43%) operated on during AC. CONCLUSIONS AC during epilepsy surgery for FCD in eloquent areas may change the preoperative plan. The good rate of postoperative seizure control and the absence of permanent postoperative neurologic deficit in our series is the main proof that AC is a useful tool in patients with FCD involving the eloquent cortex.
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Affiliation(s)
- Krasimir Minkin
- Department of Neurosurgery, University Hospital "St. Ivan Rilski", Sofia, Bulgaria.
| | - Kaloyan Gabrovski
- Department of Neurosurgery, University Hospital "St. Ivan Rilski", Sofia, Bulgaria
| | - Petar Karazapryanov
- Department of Neurosurgery, University Hospital "St. Ivan Rilski", Sofia, Bulgaria
| | - Yoana Milenova
- Department of Neurology, University Hospital "St. Ivan Rilski", Sofia, Bulgaria
| | - Stanimir Sirakov
- Department of Interventional Radiology, University Hospital "St. Ivan Rilski", Sofia, Bulgaria
| | - Vasil Karakostov
- Department of Neurosurgery, University Hospital "St. Ivan Rilski", Sofia, Bulgaria
| | - Kiril Romanski
- Department of Neurosurgery, Military Medical Academy, Sofia, Bulgaria
| | - Petia Dimova
- Department of Neurosurgery, University Hospital "St. Ivan Rilski", Sofia, Bulgaria
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Albuquerque LAF, Diógenes GS, Pessoa FC. Challenges in Starting an Awake Craniotomy Project in a Low-Resource Public Health System. World Neurosurg 2020; 146:277-279. [PMID: 33279624 DOI: 10.1016/j.wneu.2020.12.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Lucas Alverne F Albuquerque
- Department of Neurosurgery, Hospital Geral de Fortaleza, Fortaleza, Ceará, Brazil; Department of Neurology, Universidade de Campinas, Campinas, São Paulo, Brazil.
| | | | - Fátima C Pessoa
- Speech therapist, Hospital Geral de Fortaleza, Fortaleza, Brazil
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Prat-Acín R, Galeano-Senabre I, López-Ruiz P, García-Sánchez D, Ayuso-Sacido A, Espert-Tortajada R. Intraoperative brain mapping during awake surgery in symptomatic supratentorial cavernomas. Neurocirugia (Astur) 2020; 32:S1130-1473(20)30105-6. [PMID: 33060022 DOI: 10.1016/j.neucir.2020.07.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Accepted: 07/13/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND Complete resection of symptomatic supratentorial cavernoma (SCA) and removal of the surrounding gliotic area is recommended to minimize the risk of persistent seizures or (re)bleeding. Surgery of SCA located in an eloquent area, can carry out severe postoperative neurological morbidity. We report a study aimed to assess feasibility, extent of resection and outcome after surgical removal of CA by cortico-subcortical intraoperative brain stimulation (ioBS) in the awake patient. METHODS Six patients diagnosed of symptomatic SCA located on an eloquent area and operated on while awake under local anaesthesia ioBS, were included. Preoperative planning included neuropsychologic assessment of language-related functions, sociocognitive functions and executive functions. Intraoperatively, we recorded the results achieved in the planned neuropsychological tasks when stimulation was applied (cortical and subcortical). Postoperative control 3D MRI was scheduled at 1 month after surgery to calculate extent of resection. Neuropsychological assessment at 6 months after surgery was performed in all cases. RESULTS Six patients (5 females, 1 male) aged 24-48 years were included in our study. Locations of the lesions were right insular (n=1), left insular (n=1), left temporo-insular (n=1), left temporal (n=2) and left frontal (n=1). In all patients, positive findings were obtained during ioBS. In 5 patients, complete surgical resection was achieved. Two patients had postoperative transient neurological deficits, one case of hemiparesis, one case of dysnomia, both cleared over a 6-month period. Clinical follow-up revealed that all patients experienced complete recovery from preoperative symptoms within a year and five patients with seizures showed marked improvement and eventually quit antiepileptic drugs. Neuropsychological assessment at 6 months provided normal results compared to preoperative baseline in all domains. CONCLUSIONS Our study suggests that ioBS in the awake surgery of symptomatic SCA located in eloquent areas, allows to increase the rate of complete resection, minimizing postoperative neurological and neuropsychological deficit, and improving postoperative seizures control.
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Affiliation(s)
- Ricardo Prat-Acín
- Servicio de Neurocirugía. Hospital Universitario I Politècnic La Fe, Valencia, Spain; Unidad Mixta Nanomedicina y Sensores: Fundación Hospital La Fe, Universidad Politécnica de Valencia, Spain.
| | - Inma Galeano-Senabre
- Servicio de Neurocirugía. Hospital Universitario I Politècnic La Fe, Valencia, Spain; Unidad Mixta Nanomedicina y Sensores: Fundación Hospital La Fe, Universidad Politécnica de Valencia, Spain
| | | | - Daniel García-Sánchez
- Servicio de Neurocirugía. Hospital Universitario I Politècnic La Fe, Valencia, Spain
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Intraparenchymal Epidermoid Cyst Close to Broca Area-Awake Craniotomy and Gross Total Resection. World Neurosurg 2020; 141:367-372. [PMID: 32593769 DOI: 10.1016/j.wneu.2020.06.135] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/15/2020] [Accepted: 06/17/2020] [Indexed: 12/27/2022]
Abstract
BACKGROUND Epidermoid tumors, or epidermoid cysts (ECs), are benign, slow-growing, congenital, and rare lesions that represent approximately 0.2%-1.8% of all intracranial tumors. Intraparenchymal ECs are very rare lesions that may account for 1.5% of all intracranial epidermoid tumors; frontal lobe involvement is found in 39.2% of intraparenchymal ECs. We present a case using awake craniotomy to achieve maximal safe gross total resection of a rare intraparenchymal EC close to Broca area in a bilingual patient. CASE DESCRIPTION A 45-year-old man presented with a generalized seizure episode. He was initially treated with levetiracetam, which led to renal failure. Imaging findings demonstrated an intraparenchymal left frontal EC with peripheral coarse calcifications at Broca area. As the patient was bilingual and had a normal neurologic examination, we performed a left frontal awake craniotomy under local anesthesia so as to map both languages, using the motor task and a test for language monitoring, alternating a naming task in Portuguese and English and a semantic task in Portuguese. A gross total resection was achieved with no neurologic deficits. Histopathologic examination confirmed the diagnosis of an epidermoid cyst. After 1 year, the patient is still seizure-free. CONCLUSIONS Awake surgery proved to be a useful tool for complete resection of the capsule even in a very eloquent language area. In multilingual patients with benign intra-axial lesions, intraoperative mapping should be performed for all the languages in which the patient is fluent to avoid postoperative neurologic deficits.
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