Comparison of Voice Aerodynamics Characteristics in Spasmodic Dysphonia and Muscle Tension Dysphonia

Document Type : Original Article

Authors

1 Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran

2 Department of Speech Therapy, School of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran

3 Otolaryngology Research Center, Tehran University of Medical Sciences, Tehran, Iran

4 Department of Biostatistics, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran

Abstract

Purpose:
Phonation or the generation of audible sound energy is caused by muscular and aerodynamic activities that affect the vocal cords. The main objective of this study was to determine aerodynamic parameters in three categories of normal, spasmodic dysphonia and muscle tension dysphonia.
Methods:
Study population consisted of 30 individuals (ten subjects with spasmodic dysphonia, ten subjects with muscle tension dysphonia and ten normal subjects). Vital capacity of each individual was recorded by a spirometer and maximum phonation time was calculated with the help of stop watch. The data were analyzed with Spss 19 statistical software.
Results:
The maximum phonation time in muscle tension dysphonia was lower than two other groups and in spasmodic dysphonia group was lower than normal, the mean difference between groups was significant (p<0.001). Vital capacity in the group of muscle tension dysphonia was lower than other groups and in spasmodic dysphonia was equal to the normal group, mean difference between groups was statistically significant (p<0.001). Phonation quotient in muscle tension dysphonia was more than spasmodic dysphonia group and in spasmodic dysphonia group was higher than normal and again the mean difference between groups was statistically significant (p<0.001).
Conclusion:
Maximum phonation time between three categories of normal, spasmodic dysphonia and muscle tension dysphonia was significantly different. Vital capacity in normal and spasmodic dysphonia group did not differ significantly and in muscle tension dysphonia group was different compared to other two groups. It seems that vital capacity reduction in this category of patients is an explanation for the occurrence of this type of dysphonia. The results showed that changes in the aerodynamic parameters in addition to separate the normal group from voice disorders, depending on the type of disorder as well. These differences must be considered in the process of assessment and therapeutic interventions.

Keywords

Main Subjects

References

  1. Boone D, McFarlane S, Von Berg S. The Voice and Voice Therapy7th ed. Pearson Education, Boston, MA; 2005:142
  2.  Colton R, Casper J, Hirano M. Understanding voice problem. Edited by John P Butter, Baltimore, Williams and Wilkins 1990:1-9:45
  3.  Schwartz SR, Cohen SM, Dailey SH, Rosenfeld RM, Deutsch ES, Gillespie MB, et al. Clinical practice guideline: hoarseness (dysphonia). Otolaryngology-head and neck surgery 2009; 141(3): S1-S31.
  4.  Altman KW, Atkinson C, Lazarus C. Current and emerging concepts in muscle tension dysphonia: a 30-month review. Journal of Voice 2005; 19(2): 261-7.
  5.  Grillone GA, Chan T. Laryngeal dystonia. Otolaryngologic Clinics of North America 2006; 39(1): 87-100.
  6.  Dejonckere P, Crevier-Buchman L, Marie J, Moerman M, Remacle M, Woisard V. Implementation of the European Laryngological Society (ELS) basic protocol for assessing voice treatment effect. Revue de laryngologie-otologie-rhinologie 2002; 124(5): 279-83
  7.  Netsell R, Lotz W, Shaughnessy AL. Laryngeal aerodynamics associated with selected voice disorders. American journal of otolaryngology 1984; 5(6): 397-403.
  8.  Wuyts FL, Bodt MSD, Molenberghs G, Remacle M, Heylen L, Millet B, et al. The dysphonia severity index: an objective measure of vocal quality based on a multiparameter approach. Journal of Speech, Language and Hearing Research 2000; 43(3): 796.
  9.  Hirano M. Objective evaluation of the human voice: clinical aspects. Folia Phoniatrica et Logopaedica 1989; 41(2-3): 89-144.
  10.  Raes J, Clement P. Aerodynamic measurements of voice production. Acta oto-rhino-laryngologica Belgica 1995; 50(4): 293-8.
  11.  Maslan J, Leng X, Rees C, Blalock D, Butler SG. Maximum phonation time in healthy older adults. Journal of Voice 2011; 25(6): 709-13.
  12.  Speyer R, Bogaardt HC, Passos VL, Roodenburg NP, Zumach A, Heijnen MA, et al. Maximum phonation time: variability and reliability. Journal of Voice 2010; 24(3): 281-4.
  13.  Dejonckere P. Perceptual and laboratory assessment of dysphonia. Otolaryngologic Clinics of North America 2000; 33(4): 731-50.
  14.  Hirano M, Koike Y, Von Leden H. Maximum phonation time and air usage during phonation. Folia Phoniatrica et Logopaedica. 1968;20(4):185-201.
  15.  Dejonckere PH. Assessment of voice and respiratory function.  Surgery of larynx and trachea: Springer; 2010: 11-26.
  16.  Awan SN. The aging female voice: acoustic and respiratory data. Clinical linguistics & phonetics 2006; 20(2-3): 171-80.
  17. Iwata S, Von Leden H. Phonation quotient in patients with laryngeal diseases. Folia Phoniatrica et Logopaedica 1970; 22(2): 117-28.
  18.  Hillman RE, Holmberg EB, Perkell JS, Walsh M, Vaughan C. Objective Assessment of Vocal HyperfunctionAn Experimental Framework and Initial Results. Journal of Speech, Language, and Hearing Research 1989; 32(2): 373-92.
  19.  Dastolfo C, Gartner-Schmidt J, Yu L, Carnes O, Gillespie AI. Aerodynamic Outcomes of Four Common Voice Disorders: Moving Toward Disorder-Specific Assessment. Journal of Voice 2016; 30(3): 301-7.
  20.  Solomon NP, Helou LB, Makashay MJ, Stojadinovic A. Aerodynamic evaluation of the postthyroidectomy voice. Journal of Voice 2012; 26(4): 454-61.
  21. Zheng Y-Q, Zhang B-R, Su W-Y, Gong J, Yuan M-Q, Ding Y-L, et al. Laryngeal aerodynamic analysis in assisting with the diagnosis of muscle tension dysphonia. Journal of voice 2012; 6(2):177-81.

Journal of Paramedical Sciences & Rehabilitation
Volume 6, Issue 4
November 2017
Pages 15-21

Files

Share

How to cite

Statistics