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논문 기본 정보

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학술저널
저자정보
Yeon Soo Kim (Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine) Dabin Lee (Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine) Jaehyung Park (Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine) Kwang-Yoon Jung (Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine) Seung-Kuk Baek (Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine)
저널정보
대한의학레이저학회 MEDICAL LASERS Medical Lasers Vol.13 No.3
발행연도
2024.9
수록면
150 - 154 (5page)
DOI
10.25289/ML.24.019

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초록· 키워드

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Background: Laser laryngeal microsurgery is a common treatment of vocal fold polyps (VFP), a leading cause of dysphonia. The CO2 laser is predominantly used for its precision in excising delicate tissues while minimizing damage to the surrounding healthy tissue. The 532-nm diode laser can also be employed for the cauterization of the microvasculature within the vocal folds. This study aims to evaluate the efficacy of the 532-nm diode laser in the treatment of VFP. Methods: Forty-four patients diagnosed with VFP were enrolled and underwent laser laryngeal microsurgery using a CO2 laser. The patients were divided into two groups: one receiving additional treatment with the 532- nm diode laser. Voice status was assessed and compared preoperatively and postoperatively using acoustic analysis, aerodynamic analysis, voice range profile, the GRBAS scale, and the voice handicap index (VHI). Results: The mean flow rate and maximal pitch showed significant improvements from preoperative to postoperative measurements in additional 532-nm diode laser treatment group. All objective indicators demonstrated normalization and enhancement following surgery. Subjective perceptual assessments also indicated significant improvement postoperatively, and the VHI showed improvement across all domains. However, there was no significant difference in the test results between the two groups, regardless of the additional use of the 532-nm diode laser. Conclusion: Laser phonomicrosurgery using both CO2 and 532-nm diode lasers is an effective in treating VFP. Although the additional benefit of the diode laser was not conclusively demonstrated, its potential for photocoagulating the vocal fold microvasculature suggests further research is warranted.

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