CC BY-NC-ND 4.0 · Int Arch Otorhinolaryngol 2018; 22(01): 050-054
DOI: 10.1055/s-0037-1601403
Original Research
Thieme Revinter Publicações Ltda Rio de Janeiro, Brazil

Microbiology of Tracheal Secretions: What to Expect with Children and Adolescents with Tracheostomies

Mikhael R. El Cheikh
1   Otolaryngologist, Universidade Federal de Goiás, Goiânia, GO, Brazil
Juliane M. Barbosa
1   Otolaryngologist, Universidade Federal de Goiás, Goiânia, GO, Brazil
Juliana A. S. Caixêta
1   Otolaryngologist, Universidade Federal de Goiás, Goiânia, GO, Brazil
Melissa A. G. Avelino
1   Otolaryngologist, Universidade Federal de Goiás, Goiânia, GO, Brazil
2   Pontificia Universidade Católica de Goiás, Goiânia, GO, Brazil
› Author Affiliations
Further Information

Publication History

02 August 2016

29 January 2017

Publication Date:
24 April 2017 (online)


Introduction People with tracheostomies exhibit a higher risk of colonization of the lower respiratory tract, acute tracheitis and pneumonia. Despite this, the culture of tracheal secretions is not a routine in most hospitals, and sometimes empiric therapy is based on personal experience, which is not an ideal situation.

Objective To recognize the pathogens present in the tracheal secretions collected from people up to 18 years old with tracheostomies.

Methods Prospective evaluation of patients under the age of 18 of a tertiary care hospital. A standardized questionnaire was completed, and tracheal secretion aspirates were sent for microbiological cultures and antibiograms.

Results Twenty patients under 18 years of age were evaluated, 65% of whom were male. The microbiological culture was positive in 90% of the patients, and the most common microorganisms found were Pseudomonas aeruginosa (55.5%) and Staphylococcus aureus (27.7%).

Discussion Tracheostomized children and adolescents have respiratory tracts colonized by pathogens, the most common of which is Pseudomonas aeruginosa. These patients must undergo tracheal secretion cultures, whether they present symptoms or not, to determine if there is a correlation between the colonization and the infections. This finding could guide the adequate treatment, avoiding the inappropriate use of antibiotics and indicating the better therapy in cases of laryngeal reconstruction.

Conclusion In this sample, the culture of tracheal secretions was mainly positive, and the most common agent was P. aeruginosa. We suggest the routine access to Brazilian children and adolescents tracheal secretion cultures, which could help to make a profile of these children and guide the use of antibiotics.


The authors have conflict of interests to declare.

This study was not sent to be published elsewhere.

Authors Mikhael R. El Cheikh and Juliane M. Barbosa were responsible for the initial review of the literature, the active search for patients, and the collections of the materials for the bacterial cultures. They also collected all data for the study. Author Juliana A. S. Caixêta was responsible for analyzing the data after it had been compiled; she performed the statistical analyses and wrote the study's discussion. Author Melissa A. G. Avelino was the creator of the project and supervised all of its stages, from the development to the revision of the final article. She was also responsible for submitting the project for grants from research funding institutions.

This study was performed with funds from the Fundação de Amparo à Pesquisa do Estado de Goiás (FAPEG).

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