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Sex Influence on Trigeminal Nerve Stimulation and Breath-Hold Diving Performance: Examination of the Autonomic Regulation of Cardiovascular Responses to Facial Cooling and Apnoea Across Sex and Varied Factors.
NeuroSci
January 2025
Department of Neurophysiology, Neuropsychology and Neuroinformatics, Medical University of Gdansk, 80-210 Gdansk, Poland.
This review emphasises the importance of the cardiovascular response to facial cooling (FC) and breath holding in both sexes. The trigemino-cardiac reflex, triggered by FC, reduces heart rate (HR) and constricts blood vessels. When combined with breath holding, this effect intensifies, enhancing the cardiodepressive impact.
View Article and Find Full Text PDFTrigeminal Nerve Repair: Is the Trigeminocardiac Reflex a Concern?
J Oral Maxillofac Surg
November 2021
Professor, Departments of Surgery and Neurology, The University of Texas Southwestern Medical Center, Dallas, TX.
Purpose: Our hypothesis is that direct manipulation of the third and second divisions of the trigeminal nerve during microneurosurgery does not affect the incidence of trigeminocardiac reflex (TCR). The purpose of this paper was to analyze the incidence of TCR events during microneurosurgery involving the second and third divisions of the trigeminal nerve.
Materials And Methods: This was a retrospective cohort study of 94 patients who underwent nerve repair of the second and third divisions of the trigeminal nerve, between July 2014 and February 2021 by a single surgeon (J.
Maxillomandibulocardiac reflex in a dog.
Acta Vet Scand
October 2018
Department of Animal Medicine, Production and Health, University of Padua, Viale dell'Università 16, 35020, Legnaro, PD, Italy.
Background: The trigeminocardiac reflex (TCR) is a brainstem reflex that may be observed in anaesthesia during surgical procedures stimulating the intracranial or peripheral portion of the trigeminal nerve. The peripheral TCR is divided into the oculocardiac reflex and the maxillomandibulocardiac reflex based on the affected sensory branches of the trigeminal nerve. In veterinary medicine the oculocardiac reflex has been described, however the maxillomandibulocardiac reflex has never been reported.
View Article and Find Full Text PDFSinus arrest with prolonged asystole due to the trigeminocardiac reflex during application of local anaesthetic in the nasal mucosa.
BMJ Case Rep
October 2018
Faculty of Medicine, University of Zurich, Zurich, Switzerland.
The trigeminocardiac reflex (TCR) is defined as a sudden onset of parasympathetic dysrhythmias during stimulation of the trigeminal nerve. We describe a peripheral variation of TCR during manipulation of the nasal mucosa. A 42-year-old patient suffering from severe obstructive sleep apnoea was scheduled for surgical treatment.
View Article and Find Full Text PDFThe clinical surrogate definition of the trigeminocardiac reflex: Development of an optimized model according to a PRISMA-compliant systematic review.
Medicine (Baltimore)
December 2017
Department of Biomedicine, University Hospital Basel, Basel, Switzerland Department of Anesthesiology and Perioperative Medicine, University of Manitoba, Winnipeg, Canada Department of Pathology, Institute of Cardiovascular Physiopathology, University of Buenos Aires, Buenos Aires, Argentina Department of Primary Care, University of Zurich, Zurich, Switzerland.
Background: The trigeminocardiac reflex (TCR) is defined as sudden onset of parasympathetic dysrhythmias including hemodynamic irregularities, apnea, and gastric hypermotility during stimulation of sensory branches of the trigeminal nerve. Since the first description of the TCR 1999, there is an ongoing discussion about a more flexible than the existing clinical definition. Aim of this work was to create a clinical surrogate definition through a systematic review of the literature.
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