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Differences in laryngeal movements during exercise in healthy and dyspnoeic adolescents.
Int J Pediatr Otorhinolaryngol. 2020 Feb; 129:109765.IJ

Abstract

OBJECTIVES

To compare glottic and supraglottic movements in healthy adolescents and adolescents experiencing dyspnoea during strenuous exercise.

METHODS

Using the continuous laryngoscopy exercise (CLE)-test laryngeal movements during exercise were analysed in healthy controls (n = 28) and compared to subjects with exercise induced bronchoconstriction (EIB) (n = 10), exercise induced laryngeal obstruction (EILO) (n = 10) and subjects experiencing exercise-induced dyspnoea without having any of these diagnoses (n = 31). Images from the video recordings were assessed regarding glottic angle, glottic area and supraglottic area using the software measuring tool EILOMEA.

RESULTS

No significant differences were detected between controls, the dyspnoea group without a diagnosis of EIB or EILO and the EIB group regarding glottis angle, glottis area or supraglottic area at maximum effort. All three parameters differed significantly in the EILO group compared to the other groups (p=<0.001). In the group with EILO all but one had supraglottic obstruction (corresponding to a CLE-test score ≥2). Movement of the laryngeal structures, corresponding to a CLE-test score of 1, at glottic and/or supraglottic level was seen in 26 of 35 (74%) of controls, 34 out of 41 (83%) of patients in the dyspnoea group, and in 25 of 38 (66%) of EIB-subjects.

CONCLUSION

Minor movements at both glottic and supraglottic level are equally common in healthy controls as among adolescents with exercise induced dyspnoea without EIB or EILO and adolescents with EIB. Adolescents with EILO had a statistically significant more pronounced supraglottic obstruction than the other groups.

Authors+Show Affiliations

Department of Surgical Sciences, Otorhinolaryngology and Head & Neck Surgery, Uppsala University, Akademiska Sjukhuset, 751 85, Uppsala, Sweden.Department of Neuroscience, Physiotherapy, Uppsala University, Box 593 BMC, 751 24, Uppsala, Sweden. Electronic address: henrik.johansson@neuro.uu.se.Department of Neuroscience, Physiotherapy, Uppsala University, Box 593 BMC, 751 24, Uppsala, Sweden.Department of Medical Sciences, Respiratory, Allergy and Sleep Research, Akademiska Sjukhuset, 751 85, Uppsala, Sweden.Department of Women's and Children's Health, Uppsala University, Akademiska Sjukhuset, 751 85, Uppsala, Sweden.Department of Surgical Sciences, Otorhinolaryngology and Head & Neck Surgery, Uppsala University, Akademiska Sjukhuset, 751 85, Uppsala, Sweden.

Pub Type(s)

Journal Article
Observational Study

Language

eng

PubMed ID

31706111

Citation

Norlander, Katarina, et al. "Differences in Laryngeal Movements During Exercise in Healthy and Dyspnoeic Adolescents." International Journal of Pediatric Otorhinolaryngology, vol. 129, 2020, p. 109765.
Norlander K, Johansson H, Emtner M, et al. Differences in laryngeal movements during exercise in healthy and dyspnoeic adolescents. Int J Pediatr Otorhinolaryngol. 2020;129:109765.
Norlander, K., Johansson, H., Emtner, M., Janson, C., Nordvall, L., & Nordang, L. (2020). Differences in laryngeal movements during exercise in healthy and dyspnoeic adolescents. International Journal of Pediatric Otorhinolaryngology, 129, 109765. https://doi.org/10.1016/j.ijporl.2019.109765
Norlander K, et al. Differences in Laryngeal Movements During Exercise in Healthy and Dyspnoeic Adolescents. Int J Pediatr Otorhinolaryngol. 2020;129:109765. PubMed PMID: 31706111.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Differences in laryngeal movements during exercise in healthy and dyspnoeic adolescents. AU - Norlander,Katarina, AU - Johansson,Henrik, AU - Emtner,Margareta, AU - Janson,Christer, AU - Nordvall,Lennart, AU - Nordang,Leif, Y1 - 2019/11/02/ PY - 2019/06/19/received PY - 2019/10/30/revised PY - 2019/10/30/accepted PY - 2019/11/11/pubmed PY - 2020/5/28/medline PY - 2019/11/10/entrez KW - CLE-Score KW - EILOMEA KW - Exercise induced laryngeal obstruction KW - Exercise-induced bronchoconstriction KW - Exercise-induced dyspnoea KW - Vocal cord dysfunction SP - 109765 EP - 109765 JF - International journal of pediatric otorhinolaryngology JO - Int. J. Pediatr. Otorhinolaryngol. VL - 129 N2 - OBJECTIVES: To compare glottic and supraglottic movements in healthy adolescents and adolescents experiencing dyspnoea during strenuous exercise. METHODS: Using the continuous laryngoscopy exercise (CLE)-test laryngeal movements during exercise were analysed in healthy controls (n = 28) and compared to subjects with exercise induced bronchoconstriction (EIB) (n = 10), exercise induced laryngeal obstruction (EILO) (n = 10) and subjects experiencing exercise-induced dyspnoea without having any of these diagnoses (n = 31). Images from the video recordings were assessed regarding glottic angle, glottic area and supraglottic area using the software measuring tool EILOMEA. RESULTS: No significant differences were detected between controls, the dyspnoea group without a diagnosis of EIB or EILO and the EIB group regarding glottis angle, glottis area or supraglottic area at maximum effort. All three parameters differed significantly in the EILO group compared to the other groups (p=<0.001). In the group with EILO all but one had supraglottic obstruction (corresponding to a CLE-test score ≥2). Movement of the laryngeal structures, corresponding to a CLE-test score of 1, at glottic and/or supraglottic level was seen in 26 of 35 (74%) of controls, 34 out of 41 (83%) of patients in the dyspnoea group, and in 25 of 38 (66%) of EIB-subjects. CONCLUSION: Minor movements at both glottic and supraglottic level are equally common in healthy controls as among adolescents with exercise induced dyspnoea without EIB or EILO and adolescents with EIB. Adolescents with EILO had a statistically significant more pronounced supraglottic obstruction than the other groups. SN - 1872-8464 UR - https://www.unboundmedicine.com/medline/citation/31706111/Differences_in_laryngeal_movements_during_exercise_in_healthy_and_dyspnoeic_adolescents L2 - https://linkinghub.elsevier.com/retrieve/pii/S0165-5876(19)30518-X DB - PRIME DP - Unbound Medicine ER -