Phonatory Dysfunction in the Patients with Vocal Polyp and Glottic Cancer-A Comparison with Flexible and Screrotic Changes on the Vocal Cords-
スポンサーリンク
概要
- 論文の詳細を見る
Aerodynamic parameters during optimal easy phonation were compared among 6 patients with vocal polyps, 32 patients with glottic cancer (T1 and T2) and 9 normal subjects.<BR>Subglottal pressures (cmH<SUB>2</SUB>O) directly extracted by the miniatured pressure tranceducer through the glottis, mean air flow (ml/sec), pitch (Hz) and intensity (dB) of voices, glottal resistance (cmH<SUB>2</SUB>O/l/sec), subglottal power (×10<SUB>6</SUB> erg/sec), and laryngeal efficiency were obtained with the use of PS-77phonatory equipment and the computerized phonatory system PI-100.<BR>The cases with vocal polyps presented with slightly high values of mean subglottal pressure (the mean value of 9.0cmH<SUB>2</SUB>O) and glottal resistance (the mean value of 38.5cmH<SUB>2</SUB>O/l/sec) and glottal power 3 times greater than that of the normal subjects. The mean value of laryngeal efficiency was about a half level of that in the normal subjects. In the cases of glottic cancer, the subglotal pressures were inceased to the mean value of 11.6 cmH<SUB>2</SUB>O in Tla, 21.7cmH<SUB>2</SUB>O in Tlb and 25.7cmH<SUB>2</SUB>O in T2 cases respectively. The Glottal resistance and subgottal power were significantly increased by as the T stage became advanced. In contrast, the laryngeal efficiencies decreased as the T stage was advanced : the mean value of 1.27 in T1a, 0.50 in T1b, and 0.25 in T2 cases.
- The Japan Laryngological Associationの論文
The Japan Laryngological Association | 論文
- Innervation of the Larynx.:Localization of the Laryngeal Neurons for the Motor, Sensory and Autonomic Nervus System in the Cat
- The Sensory Nerve Fibers in the Larynx of Cats
- Two Cases of Malignant Lymphoma of the Larynx
- HUMAN PAPILLOMAVIRUS TYPE 6 AND 11 IN LARYNGEAL PAPILLOMAS
- Clinical Observations on Bilateral Recurrent Laryngeal Nerve Paralysis