Summary
A clinical survey of 500 patients revealed 4.2% incidence of Arnold's ear-cough reflex. The reflex was bilateral in 2.8% of the patients. It was also elicitable from the anterior meatal wall in 2% of the patients, thus questioning the classically taught distribution of Arnold's nerve. Arnold's nerve also mediates the auriculo-palatal auriculo-lacrimal, auriculo-cardiac and the ear-vomiting reflexes; but these are less apparent and not so commonly encountered.
Résumé
Une étude clinique de 500 malades a mis en évidence un réflexe d'Arnold (réflexe auriculaire de toux) chez 4,2% d'entre eux. Ce réflexe était bilatéral chez 2,8% des patients. Il a pu être déclenché au niveau de la paroi antérieure du conduit auditif externe chez 2% d'entre eux, remettant en question la distribution classique du nerf, d'Arnold au niveau de la paroi postérieure du conduit auditif externe. Le nerf d'Arnold peut véhiculer d'autres réflexes: auriculo-palatin, auriculo-lacrymal, auriculo-cardiaque et le réflexe du vomissement; mais ils sont moins marqués et surtout moins fréquents que le réflexe auriculaire de toux.
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Gupta, D., Verma, S. & Vishwakarma, S. Anatomic basis of Arnold's ear-cough reflex. Surg Radiol Anat 8, 217–220 (1986). https://doi.org/10.1007/BF02425070
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DOI: https://doi.org/10.1007/BF02425070