2007
DOI: 10.1016/j.jvoice.2005.10.005
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Acoustic Analysis Findings in Objective Laryngopharyngeal Reflux Patients

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Cited by 61 publications
(55 citation statements)
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References 29 publications
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“…Incomplete closure of the glottis leads to air leakage, which is acoustically characterized as noise. 6 In a study done by Van Houtte E et al functional voice disorder was most frequently diagnosed (30%), followed by vocal nodules (15%). 7 Whereas significant vocal cord edema, or paralysis/paresis was identified in 52.3%.…”
Section: Discussionmentioning
confidence: 93%
See 1 more Smart Citation
“…Incomplete closure of the glottis leads to air leakage, which is acoustically characterized as noise. 6 In a study done by Van Houtte E et al functional voice disorder was most frequently diagnosed (30%), followed by vocal nodules (15%). 7 Whereas significant vocal cord edema, or paralysis/paresis was identified in 52.3%.…”
Section: Discussionmentioning
confidence: 93%
“…Jitter increase as control over laryngeal muscle tone becomes coarser. 6 Shimmer increases with poor and inconsistent contact between the vocal edges. Incomplete closure of the glottis leads to air leakage, which is acoustically characterized as noise.…”
Section: Discussionmentioning
confidence: 99%
“…[13,18] When voice analysis data of LPR patients were compared to healthy subjects significant deterioration was showed for MPT, jitter, shimmer, and glottal noise in LPR patients. [12,18] F0 is not affected by most laryngeal disorders and Pribuisiene et al [12] found no difference for mean F0 between suspected LPR patients and controls.…”
Section: Discussionmentioning
confidence: 99%
“…[5,11] Laryngopharyngeal reflux is a disease that gives rise to subjective and objective changes in voice quality. [12,13] It is important to describe the effect of LPR in voice disorders. There are different methods to diagnose and follow treatment such as the voice handicap index and objective voice analysis techniques [11,14] but utilization of these techniques is controversial, because the relation between LPR and voice problems is relatively new.…”
mentioning
confidence: 99%
“…As medidas, obtidas através do software Praat (versão 4.6.10) (21) , utilizado em diversos estudos (16,17,22,23,24) , foram: frequência fundamental (f 0 ); frequência mínima; frequência máxima; Jitter (local); Jitter (local, absoluto); Jitter (rap); Jitter (ppq5); Jitter (ddp); Shimmer (local); Shimmer (local, dB); Shimmer (apq3); Shimmer (apq5); Shimmer (apq11); Shimmer (dda); relação ruído/harmônico (NHR); relação harmônico/ruído (HNR). Tais medidas englobam todas as oferecidas pelo programa, sendo importantes na análise pelo fato de fornecerem subsídios sobre os níveis de aperiodicidade, de estabilidade, de ruído, e de frequência do sinal vocal.…”
Section: Métodosunclassified