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Nasotracheal intubation under curve-tipped suction catheter guidance reduces epistaxis

Ľintubation nasotrachéale guidée par un cathéter ďaspiration à extrémité courbée réduit ľépistaxis

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Abstract

Background

Nasotracheal intubation (NTI) has greater potential for trauma of nasopharyngeal mucosa than orotracheal intubation. The present study investigated the success rate of NTI and frequency of nasal bleeding using a curve-tipped suction catheter (CTSC) to guide nasotracheal tube advancement.

Methods

Subjects comprised 131 adult patients who underwent NTI. Subjects were randomly divided into two groups: a) NTI under CTSC guidance (G[+] group). The CTSC (14 Fr) was first inserted through the tracheal tube, with the tip of the CTSC emerging from the distal end of the tube. The curved tip was directed ventrally. Both tracheal tube and CTSC were advanced together through the nasopharynx; b) NTI without CTSC guidance (G[-] group). The tracheal tube was advanced into the nasal cavity and passed into the pharynx without CTSC guidance. The time required to pass the endotracheal tube through the nasal cavity (nasal passage time), success rate of nasal passage with nasotracheal tube, and the incidence and severity of nasal bleeding were compared.

Results

Success rate for nasal passage was 100% in the G(+) group (62/62) and 82.6% in the G(-) group (57/69; P = 0.0006). Frequency of nasal bleeding was significantly lower in the G(+) group (21/62, 33.9%) than in the G(-) group (37/69, 53.6%; P = 0.023). Severity of nasal bleeding was also significantly lower in the G(+) group than in the G(-) group (P = 0.030).

Conclusions

Nasotracheal intubation under CTSC guidance increases the success rate of airway instrumentation, and also reduces the incidence and severity of epistaxis.

Résumé

Objectif

Ľintubation nasotrachéale (INT) est plus traumatique pour la muqueuse nasopharyngée que ľintubation orale pour la muqueuse oropharyngée. Nous examinons le taux de succès de ľINT et la fréquence ďépistaxis avec ľusage ďun cathéter ďaspiration à extrémité courbée (CAEC) pour guider le placement du tube nasotrachéal.

Méthode

Les sujets regroupaient 131 adultes qui ont eu une INT. Ils ont été répartis au hasard en deux groupes: a) INT guidée par un CAEC (groupe G[+]). Le CAEC (14 Fr) a ďabord été inséré au travers du tube trachéal, avec la pointe du CAEC émergeant de ľextrémité distale du tube. La pointe courbée a été dirigée vers le bas. Le tube trachéal et le CAEC ont été poussés ensemble dans le nasopharynx; b) INT sans guide CAEC (groupe G[-]). Le tube trachéal a été avancé dans la cavité nasale et passé dans le pharynx sans guide CAEC. Le temps de passage du tube endotrachéal dans la cavité nasale, le taux de succès du passage nasal avec le tube nasotrachéal et ľincidence et la sévérité de saignements nasaux ont été comparés.

Résultats

Le taux de succès du passage nasal a été de 100 % dans le groupe G(+) (62/62) et de 82,6 % dans le groupe G(-) (57/69; P = 0,0006). La fréquence de saignement nasal a été significativement plus faible dans le groupe G(+) (21/62, 33,9 %) que dans le groupe G(-) (37/69, 53,6 %; P = 0,023). La sévérité du saignement nasal a été aussi plus faible dans le groupe G(+), comparé au groupe G(-) (P = 0,030).

Conclusion

Ľintubation nasotrachéale guidée par un CAEC augmente le taux de succès de ľintubation des voies aériennes et réduit ľincidence et la sévérité de ľépistaxis.

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Correspondence to Yoshinari Morimoto.

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Morimoto, Y., Sugimura, M., Hirose, Y. et al. Nasotracheal intubation under curve-tipped suction catheter guidance reduces epistaxis. Can J Anesth 53, 295–298 (2006). https://doi.org/10.1007/BF03022218

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  • DOI: https://doi.org/10.1007/BF03022218

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