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CC BY-NC-ND 4.0 · Int Arch Otorhinolaryngol 2019; 23(02): 229-240
DOI: 10.1055/s-0038-1676116
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Thieme Revinter Publicações Ltda Rio de Janeiro, Brazil

Particularities and Clinical Applicability of Saccharin Transit Time Test

Fernanda Rodrigues
1   Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
,
Ana Paula Freire 
1   Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
,
Juliana Uzeloto
1   Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
,
Rafaella Xavier
1   Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
,
Juliana Ito
1   Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
,
Marceli Rocha
1   Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
,
Renata Calciolari
1   Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
,
Dionei Ramos
1   Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
,
Ercy Ramos
1   Department of Physiotherapy, Universidade Estadual Paulista Júlio de Mesquita Filho, Campus de Presidente Prudente, Presidente Prudente, SP, Brazil
› Author Affiliations
Further Information

Publication History

23 January 2018

06 October 2018

Publication Date:
15 February 2019 (online)

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Abstract

Introduction The importance of mucociliary clearance (MCC) for the respiratory system homeostasis is clear. Therefore, evaluating this defense mechanism is fundamental in scientific research and in the clinical practice of pulmonology and of associated areas. However, MCC evaluation has not been so usual due to the complexity of methods that use radiolabeled particles. Nevertheless, as an interesting alternative, there is the saccharin transit time (STT) test. This method is reproducible, simple to perform, noninvasive, does not demand high costs, and has been widely used in studies of nasal MCC. Although the STT test is widely used, there is still lack of a detailed description of its realization.

Objective The present literature review aims to provide basic information related to the STT test and to present the findings of the previous studies that used this method, discussing variations in its execution, possible influences on the obtained results and limitations of the method, as well as to relate our experience with the use of STT in researches.

Data Synthesis There are several factors that can alter the results obtained from STT tests, which would raise difficulties with proper interpretation and with the discussion of the results among different studies.

Conclusions Saccharin transit time is a widely used method for the evaluation of nasal MCC, and therefore, the standardization related to the previous and concurrent to test orientations, and also its execution, become essential to improve its accuracy, and allow comparisons among different studies.

Keywords

mucociliary clearance - airway management - mucus
 

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