Brazilian Journal of Anesthesiology
https://bjan-sba.org/article/doi/10.1590/S0034-70942007000400009
Brazilian Journal of Anesthesiology
Clinical Information

Disfunção temporária do nervo lingual após uso de máscara laríngea: relato de caso

Temporary lingual nerve dysfunction following the use of the laryngeal mask airway: report

Hugo Eckener Dantas de Pereira Cardoso; Durval Campos Kraychete; José A. Lima Filho; Luciano S. Garrido; Anita Perpétua Carvalho Rocha

http://dx.doi.org/10.1590/S0034-70942007000400009 Braz J Anesthesiol, vol.57, n4, p.410-413, 2007
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Resumo

JUSTIFICATIVA E OBJETIVOS: A máscara laríngea tem sido utilizada com freqüência em Anestesiologia. O emprego dessa técnica, embora esteja relacionado com um menor número de complicações quando comparado com a cânula traqueal, não é isento de morbidade, principalmente, nos casos de via aérea difícil. O objetivo desse relato foi apresentar um caso de lesão unilateral de nervo lingual após o uso da máscara laríngea. RELATO DO CASO: Paciente do sexo feminino foi submetida à intervenção cirúrgica para troca de prótese mamária bilateral, sob anestesia geral balanceada, com máscara laríngea de tamanho 3. O volume aplicado para insuflação do balonete foi de 30 mL de ar. Após a primeira hora do pós-operatório, iniciou quadro de dormência e dor na garganta e nos dois terços posteriores da língua que evoluiu em 24 horas com perda da percepção do sabor dos alimentos. A suspeita diagnóstica foi de neuropraxia do nervo lingual pelo uso de máscara laríngea. Esse quadro se manteve por três semanas, período em que se obteve resolução dos sintomas. CONCLUSÃO: Complicações após o uso de máscara laríngea, apesar de raras, podem ocorrer. A neuropraxia do nervo lingual é uma delas. O seu diagnóstico é clínico, e a sua evolução, favorável, com resolução dos sintomas em semanas ou meses.

Palavras-chave

COMPLICAÇÕES, EQUIPAMENTOS

Abstract

BACKGROUND AND OBJECTIVES: The laryngeal mask has been frequently used in Anesthesiology. Although the rate of complications with this technique is smaller than that of the endotracheal tube, it is not devoid of risks, especially in cases of difficult airways. The objective of this study was to report a case of unilateral lingual nerve damage after the use of the laryngeal mask airway. CASE REPORT: A female patient underwent a surgical procedure for removal of bilateral breast prosthesis under general, balanced anesthesia, with a size three laryngeal mask. The balloon was inflated with 30 mL of air. After the first postoperative hour, she developed decreased sensation and pain in the oropharynx and posterior two thirds of the tongue, which evolved for loss of taste in the next 24 hours. A tentative diagnosis of lingual nerve neuropraxis secondary to the use of the laryngeal mask was made. After three weeks, her symptoms subsided. CONCLUSION: Although complications after the use of the laryngeal mask airway are rare, they do occur, and neuropraxis of the lingual nerve is one of them. The diagnosis is clinical and it has a good outcome, with resolution of the symptoms within a few weeks or months.

Keywords

COMPLICATIONS, EQUIPMENT

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