Trigeminal-cardiac reflex in neurosurgery: case report and literature update

Authors

DOI:

https://doi.org/10.11606/issn.1679-9836.v104i5e-234869

Keywords:

Reflex trigeminocardiac, Trigeminal nerve, Vagus nerve, Neurosurgery

Abstract

The trigeminal-cardiac reflex (TCR), although a well-recognized and well-described phenomenon, is a relatively rare but potentially serious occurrence that should always be borne in mind during surgical procedures involving the skull, face and neck. We describe the case of a 45-year-old female patient who presented with episodes of bradycardia, hypotension and cardiac arrest during resection of a skull base meningioma. The incidence of RTC in neurosurgical procedures is variable, occurring mainly in skull base and cerebellopontine angle procedures, with mechanical stimulation being the most effective way of provoking it. There is usually reversal with withdrawal of the stimulus, but anticholinergics can be used in cases of persistent bradycardia and hypotension. Although TCR does not usually cause significant sequelae, there is a report of a fatal case due to coronary spasm. Because it is potentially serious, it is important for anesthesiologists and neurosurgeons to keep the possibility of this reflex in mind in order to avoid unfavorable outcomes.

 

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Author Biographies

  • Natalia Alini Haubenthal, Universidade Franciscana (UFN), Santa Maria, RS, Brasil.

    Acadêmica de Medicina da Universidade Franciscana

     

  • Gisandra de Fátima Stangherlin, Universidade Franciscana (UFN), Santa Maria, RS, Brasil.

    Acadêmica de Medicina da Universidade Franciscana

  • Heloísa Chiarini, Universidade Franciscana (UFN), Santa Maria, RS, Brasil.

    Acadêmica de Medicina da Universidade Franciscana

  • Luiza de Gregori Dutra, Universidade Franciscana (UFN), , Santa Maria, RS, Brasil.

    Acadêmica de Medicina da Universidade Franciscana

  • Henrique Chiarini Batistella, Pontifícia Universidade Católica de Campinas (PUCAMP), Campinas, SP, Brasil.

    Acadêmico de Medicina da Pontifícia Universidade Católica de Campinas

  • Liliani Mathias Brum, Universidade Franciscana (UFN), Santa Maria, RS, Brasil.

    Docente do curso de Medicina da Universidade Franciscana

  • Daniel Pascotto de Oliveira, Hospital Universitário de Santa Maria (HUSM), RS, Brasil.

    Médico Neurocirugião do Hospital Universitário de Santa Maria

  • Kelly de Oliveira Harada, Universidade Franciscana (UFN), Santa Maria, RS, Brasil.

    Docente do curso de Medicina da Universidade Franciscana

References

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Published

2025-09-10

Issue

Section

Relato de Caso/Case Report

How to Cite

Haubenthal, N. A., Stangherlin, G. de F. ., Chiarini, H. ., Dutra, L. de G., Batistella, H. C. ., Brum, L. M., de Oliveira, D. P., & Harada, K. de O. (2025). Trigeminal-cardiac reflex in neurosurgery: case report and literature update. Revista De Medicina, 104(5), e-234869. https://doi.org/10.11606/issn.1679-9836.v104i5e-234869