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Three core techniques in surgery of neuroepithelial tumors in eloquent areas: awake anaesthesia, intraoperative direct electrical stimulation and ultrasonography / 中华医学杂志(英文版)
Chinese Medical Journal ; (24): 3035-3041, 2011.
Artigo em Inglês | WPRIM | ID: wpr-292758
ABSTRACT
<p><b>BACKGROUND</b>The goal of surgery in the treatment of intrinsic cerebral tumors is to resect the maximum tumor volume, and to spare the eloquent areas. However, it is difficult to discover the eloquent areas intraoperatively due to individual anatomo-functional variability both for sensori-motor and language functions. Consequently, the surgery of intrinsic cerebral tumors frequently results in poor extent of resection or permanent postoperative deficits, or both, and remains a difficult problem for neurosurgeons.</p><p><b>METHODS</b>From January 2003 to January 2010, 112 patients with neuroepithelial tumors in/close to the eloquent areas were operated on under awake anesthesia with the intraoperative direct electrical stimulation for functional mapping of the eloquent areas. The extent of the tumors was verified by intraoperative ultrasonography. The maximal resection of the tumors and minimal damage of the eloquent areas were the surgical goal of all patients.</p><p><b>RESULTS</b>Totally 356 cortical sites in 99 patients were detected for motor response by intraoperative direct electrical stimulation, 50 sites in 16 patients for sensory, 72 sites in 48 patients for language. Sixty-six patients (58.9%) achieved total resection, 34 (30.4%) subtotal and 12 (10.7%) partial. Fifty-eight patients (51.8%) had no postoperative deficit, while 37 patients (33.0%) had transitory postoperative paralysis, 26 patients (23.2%) with transitory postoperative language disturbance and 3 patients (2.7%) with permanent neurological deficits. No patient complained of pain recollection following operation.</p><p><b>CONCLUSIONS</b>Awake anesthesia, intraoperative direct electrical stimulation and ultrasonography are three core techniques for the resection of intrinsic cerebral tumors near the eloquent areas. This new concept allows an improvement in the quality of surgery for neuroepithelial tumors in/adjacent to eloquent areas.</p>
Assuntos
Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Cirurgia Geral / Mapeamento Encefálico / Neoplasias Encefálicas / Diagnóstico por Imagem / Ultrassonografia / Neoplasias Neuroepiteliomatosas / Estimulação Encefálica Profunda / Anestesia / Métodos Tipo de estudo: Estudo diagnóstico Limite: Adolescente / Adulto / Idoso / Feminino / Humanos / Masculino Idioma: Inglês Revista: Chinese Medical Journal Ano de publicação: 2011 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Cirurgia Geral / Mapeamento Encefálico / Neoplasias Encefálicas / Diagnóstico por Imagem / Ultrassonografia / Neoplasias Neuroepiteliomatosas / Estimulação Encefálica Profunda / Anestesia / Métodos Tipo de estudo: Estudo diagnóstico Limite: Adolescente / Adulto / Idoso / Feminino / Humanos / Masculino Idioma: Inglês Revista: Chinese Medical Journal Ano de publicação: 2011 Tipo de documento: Artigo