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Citation(s)

  •   Amarante Andrade P, Wistbacka G, Larsson H, Sodersten M, Hammarberg B, Simberg S, Svec JG, Granqvist S
    The Flow and Pressure Relationships in Different Tubes Commonly Used for Semi-occluded Vocal Tract Exercises. J Voice. 2016 Jan;30(1):36-41. doi: 10.1016/j.jvoice.2015.02.004. Epub 2015 Apr 11.
  •   Andrade PA, Wood G, Ratcliffe P, Epstein R, Pijper A, Svec JG
    Electroglottographic study of seven semi-occluded exercises: LaxVox, straw, lip-trill, tongue-trill, humming, hand-over-mouth, and tongue-trill combined with hand-over-mouth. J Voice. 2014 Sep;28(5):589-95. doi: 10.1016/j.jvoice.2013.11.004. Epub 2014 Feb 20.
  •   Awan SN, Gartner-Schmidt JL, Timmons LK, Gillespie AI
    Effects of a Variably Occluded Face Mask on the Aerodynamic and Acoustic Characteristics of Connected Speech in Patients With and Without Voice Disorders. J Voice. 2019 Sep;33(5):809.e1-809.e10. doi: 10.1016/j.jvoice.2018.03.002. Epub 2018 Aug 3.
  •   Enflo L, Sundberg J, Romedahl C, McAllister A
    Effects on vocal fold collision and phonation threshold pressure of resonance tube phonation with tube end in water. J Speech Lang Hear Res. 2013 Oct;56(5):1530-8. doi: 10.1044/1092-4388(2013/12-0040). Epub 2013 Jul 9.
  •   Gaskill CS, Erickson ML
    The effect of a voiced lip trill on estimated glottal closed quotient. J Voice. 2008 Nov;22(6):634-43. doi: 10.1016/j.jvoice.2007.03.012. Epub 2007 Jun 15.
  •   Gaskill CS, Erickson ML
    The effect of an artificially lengthened vocal tract on estimated glottal contact quotient in untrained male voices. J Voice. 2010 Jan;24(1):57-71. doi: 10.1016/j.jvoice.2008.05.004. Epub 2009 Jan 9.
  •   Gaskill CS, Quinney DM
    The effect of resonance tubes on glottal contact quotient with and without task instruction: a comparison of trained and untrained voices. J Voice. 2012 May;26(3):e79-93. doi: 10.1016/j.jvoice.2011.03.003. Epub 2011 May 7.
  •   Granqvist S, Simberg S, Hertegard S, Holmqvist S, Larsson H, Lindestad PA, Sodersten M, Hammarberg B
    Resonance tube phonation in water: High-speed imaging, electroglottographic and oral pressure observations of vocal fold vibrations--a pilot study. Logoped Phoniatr Vocol. 2015 Oct;40(3):113-21. doi: 10.3109/14015439.2014.913682. Epub 2014 May 28.
  •   Guzman M, Calvache C, Romero L, Munoz D, Olavarria C, Madrid S, Leiva M, Bortnem C, Pino J
    Do Different Semi-Occluded Voice Exercises Affect Vocal Fold Adduction Differently in Subjects Diagnosed with Hyperfunctional Dysphonia? Folia Phoniatr Logop. 2015;67(2):68-75. doi: 10.1159/000437353. Epub 2015 Sep 23. Erratum In: Folia Phoniatr Logop. 2015;67(2):75. Pino, J [added].
  •   Guzman M, Castro C, Madrid S, Olavarria C, Leiva M, Munoz D, Jaramillo E, Laukkanen AM
    Air Pressure and Contact Quotient Measures During Different Semioccluded Postures in Subjects With Different Voice Conditions. J Voice. 2016 Nov;30(6):759.e1-759.e10. doi: 10.1016/j.jvoice.2015.09.010. Epub 2016 Jun 13.
  •   Guzman M, Castro C, Testart A, Munoz D, Gerhard J
    Laryngeal and pharyngeal activity during semioccluded vocal tract postures in subjects diagnosed with hyperfunctional dysphonia. J Voice. 2013 Nov;27(6):709-16. doi: 10.1016/j.jvoice.2013.05.007. Epub 2013 Sep 26.
  •   Guzman M, Higueras D, Fincheira C, Munoz D, Guajardo C, Dowdall J
    Immediate acoustic effects of straw phonation exercises in subjects with dysphonic voices. Logoped Phoniatr Vocol. 2013 Apr;38(1):35-45. doi: 10.3109/14015439.2012.731079. Epub 2013 Jan 28.
  •   Guzman M, Laukkanen AM, Krupa P, Horacek J, Svec JG, Geneid A
    Vocal tract and glottal function during and after vocal exercising with resonance tube and straw. J Voice. 2013 Jul;27(4):523.e19-34. doi: 10.1016/j.jvoice.2013.02.007. Epub 2013 May 15.
  •   Mueller G, Bersch-Porada I, Koch-Borner S, Raab AM, Jonker M, Baumberger M, Michel F
    Laboratory evaluation of four different devices for secretion mobilization: Acapella choice, green and blue versus water bottle. Respir Care. 2014 May;59(5):673-7. doi: 10.4187/respcare.02654. Epub 2013 Sep 17.
  •   Patterson JE, Hewitt O, Kent L, Bradbury I, Elborn JS, Bradley JM
    Acapella versus 'usual airway clearance' during acute exacerbation in bronchiectasis: a randomized crossover trial. Chron Respir Dis. 2007;4(2):67-74. doi: 10.1177/1479972306075483.
  •   Radolf V, Laukkanen A, Horacek J, Liu D
    In vivo measurements of air pressure, vocal folds vibration and acoustic characteristics of phonation into a straw and resonance tube used in vocal exercising. In: Proceedings of the 19th International Conference Engineering Mechanics, Czech Republic. ; 2013:478-483.
  •   Simberg S, Laine A
    The resonance tube method in voice therapy: description and practical implementations. Logoped Phoniatr Vocol. 2007;32(4):165-70. doi: 10.1080/14015430701207790.
  •   Sovijärvi A
    Die Bestimmung der Stimmkategorien mittels Resonanzröhren. [Voice classification according to resonance tubes]. In: Fifth International Congress of Phonetic Sciences. Basel, NY. ; 1965.
  •   Titze IR, Story BH
    Acoustic interactions of the voice source with the lower vocal tract. J Acoust Soc Am. 1997 Apr;101(4):2234-43. doi: 10.1121/1.418246.
  •   Titze IR
    Voice training and therapy with a semi-occluded vocal tract: rationale and scientific underpinnings. J Speech Lang Hear Res. 2006 Apr;49(2):448-59. doi: 10.1044/1092-4388(2006/035).
  •   Vampola T, Laukkanen AM, Horacek J, Svec JG
    Vocal tract changes caused by phonation into a tube: a case study using computer tomography and finite-element modeling. J Acoust Soc Am. 2011 Jan;129(1):310-5. doi: 10.1121/1.3506347.
  •   Wistbacka G, Sundberg J, Simberg S
    Vertical laryngeal position and oral pressure variations during resonance tube phonation in water and in air. A pilot study. Logoped Phoniatr Vocol. 2016 Oct;41(3):117-23. doi: 10.3109/14015439.2015.1028101. Epub 2015 Jun 2.

Evaluating the Therapeutic Use of a Vibratory Positive Expiratory Pressure Device (Acapella® Choice) in the Treatment of Pathological Voice - A Feasibility Study

Details for clinical trial NCT04764604