A Comprehensive Voice Analysis in Benign Vocal Fold Lesions Treated by Cold Knife Endolaryngeal Surgery Using Subjective, Objective and Video-Stroboscopic Parameters
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In the era of globalisation, numerous technical methods have emerged in the management of benign laryngeal lesions. Still cold knife endolaryngeal surgery holds the basic and effective position in providing excellent voice outcome. The aim of this study is to assess the cold knife as a tool for excision of benign laryngeal lesions by protocol of voice assessment. Fifty-five patients with benign vocal fold lesions were included (26 women and 29 men), with age ranging from 22 to 56 years. Each patient was subjected to endoscopic microlaryngeal surgery with cold instruments. Voice assessment was done preoperatively and 3 weeks postoperatively and 3 month post-operatively. The patients were assessed subjectively by Voice Problem Self-Assessment Scale and objectively by laryngoscopy, stroboscopy, and acoustic analysis. Outcome was measured by comparing preoperative and postoperative groups. Significant improvement (< 0.05) was observed in the voice handicap index, acoustic parameters and video stroboscopy parameters between the preoperative and the postoperative groups. The cold knife endo-laryngoscopic surgery still stands out to be a simple, cost effective yet efficient way in treating majority of benign vocal fold lesions causing hoarseness of voice.
KeywordsBenign vocal lesion Stroboscopy PRAAT Objective voice analysis VHI GRB MPT
This study was not funded by any source.
Compliance with Ethical Standards
Conflict of interest
The authors hereby disclose that they have no conflict of interest.
All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
Informed consent was obtained from all individual participants included in the study.
Human and Animal Rights
This article does not contain any studies with animals performed by any of the authors.
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