Injection Therapy of Sulcus Vocalis Using Atelocollagen.
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Accession number;00A1054540
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| Title;Injection Therapy of Sulcus Vocalis Using Atelocollagen. |
| Author;
HESAKA HIROHIKO
(Jikei Univ. School of Medicine)
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Journal Title;Japan Journal of Logopedics and Phoniatrics
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Journal Code:Z0214B
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ISSN:0030-2813
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VOL.41;NO.4;PAGE.385-388(2000)
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| Figure&Table&Reference;FIG.12, REF.5 |
| Pub. Country;Japan |
| Language;Japanese |
| Abstract;The purpose of injecting atelocollagen to treat sulcus vocalis until now has been to achieve a better voice by restoring vocal fold vibration during phonation. When unilateral recurrent nerve paralysis is present, voice improvement is often achieved by repeated injections into the muscle layer of the vocal fold on the paralyzed side. However, in sulcus vocalis there is little collagen accumulation even when injected into the muscle layer, and the limits of treatment seem to be reached without any improvement in hoarseness. Because there is no motor paralysis of the vocal folds, this is suspected to be due to the collagen diffusing as a result of muscle contraction movements during phonation and deglutition. Moreover, even when injected submucosally, because the collagenmerely hardens, it remains in a white state after it is injected, but with little subjective voice improvement. However, noting that the white portion persists, when we tried injecting atelocollagen submucosally on the unaffected side, we encountered cases in which a very good voice lasted for a long time. In this article we report on the effects of atelocollagen injection in animal experiments and its indications for in the treatment of sulcus vocalis. (author abst.) |
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