Distinct modulation of tracheal and laryngopharyngeal cough via superior laryngeal nerve in cat

•Limited effect of superior laryngeal nerve (SLN) block on tracheal cough.•SLN block significantly modulate laryngopharyngeal cough.•Bilaterally equal effects of left and right SLN nerve on cough.•Laryngopharyngeal cough does not depend exclusively on SLN.•Tracheobronchial and laryngopharyngeal coug...

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Veröffentlicht in:	Respiratory physiology & neurobiology 2021-11, Vol.293, p.103716-103716, Article 103716
Hauptverfasser:	Simera, Michal, Veternik, Marcel, Martvon, Lukas, Kotmanova, Zuzana, Mostafavi, Soheil, Bosko, Ondrej, Kralikova, Olga, Poliacek, Ivan
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Cats Cooling Cough - physiopathology Disease Models, Animal Female Laryngeal Nerves - physiopathology Laryngopharyngeal cough Larynx - physiopathology Male Nerve Block Pharynx - physiopathology Reflex - physiology Superior laryngeal nerve Trachea - physiopathology Tracheobronchial cough
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Zusammenfassung:	•Limited effect of superior laryngeal nerve (SLN) block on tracheal cough.•SLN block significantly modulate laryngopharyngeal cough.•Bilaterally equal effects of left and right SLN nerve on cough.•Laryngopharyngeal cough does not depend exclusively on SLN.•Tracheobronchial and laryngopharyngeal cough might be separate reflexes. Unilateral and bilateral cooling and bilateral transsection of the superior laryngeal nerve (SLN) were employed to modulate mechanically induced tracheobronchial (TB) and laryngopharyngeal (LPh) cough in 12 anesthetized cats. There was little effect of SLN block or cut on TB. Bilateral SLN cooling reduced the number of LPh (
ISSN:	1569-9048 1878-1519
DOI:	10.1016/j.resp.2021.103716