Pub Date : 2026-03-05DOI: 10.1016/j.jvoice.2026.02.018
Geneva V Mayne, Han Xu, Sandeep Shelly, Amanda I Gillespie
Objective: Early life adversity and related social determinants of health (SDOHs) are risk factors for trauma, learning and regulation difficulties, and poor adult health outcomes, such as functional voice disorders (FVDs). It is unknown if learning new voice techniques is confounded by a history of adverse experiences. The purpose of this study was to investigate the relationship between SDOHs and cognitive effort in voice therapy.
Methods: Patients referred for voice therapy at the Emory Voice Center in Atlanta, GA were recruited to participate in a non-experimental prospective study using an event-based ecological momentary assessment (EMA) methodology. At therapy initiation, patients completed the Trauma Symptoms of Discrimination Scale (TSDS), the Adverse Childhood Experiences (ACEs) questionnaire, and the Voice Handicap Index-10 (VHI-10). To assess mental effort and frustration for voice therapy, the NASA Task Load Index (NASA-TLX) was administered following each therapy session. Statistical tests were applied to examine differences in ratings among races and voice disorder diagnosis. Pairwise comparisons and generalized estimating equations were used to determine correlations between different outcome measures.
Results: Twenty-seven participants (89% female, 60% white) completed the study. No significant differences in baseline perceptions of voice handicap, mental effort, frustration, trauma symptoms, or early adversity were observed among different groups. Elevated and clinically significant TSDS scores (M=46.18, SD=23.82) were observed among patients with FVDs. Statistically significant and positive correlations were observed between TSDS and mental effort and frustration scores (r=0.51, adjusted p=0.0296). Participants' mental-effort scores decreased significantly after therapy visits when considering the effects of confounders, but frustration scores did not.
Discussion: Results indicate that patients reporting more trauma symptoms were also more likely to report greater cognitive effort and frustration during voice therapy than those reporting fewer trauma symptoms. While mental effort decreased from session to session during therapy, frustration did not. Findings underscore the need for the universal practice of trauma-informed care that includes equipping patients with resources that encourage positive emotions and resilience for the purpose of sustaining mental effort throughout the course of voice therapy.
{"title":"Associations Between Social Determinants of Health, Mental Effort, and Frustration for Voice Therapy.","authors":"Geneva V Mayne, Han Xu, Sandeep Shelly, Amanda I Gillespie","doi":"10.1016/j.jvoice.2026.02.018","DOIUrl":"https://doi.org/10.1016/j.jvoice.2026.02.018","url":null,"abstract":"<p><strong>Objective: </strong>Early life adversity and related social determinants of health (SDOHs) are risk factors for trauma, learning and regulation difficulties, and poor adult health outcomes, such as functional voice disorders (FVDs). It is unknown if learning new voice techniques is confounded by a history of adverse experiences. The purpose of this study was to investigate the relationship between SDOHs and cognitive effort in voice therapy.</p><p><strong>Methods: </strong>Patients referred for voice therapy at the Emory Voice Center in Atlanta, GA were recruited to participate in a non-experimental prospective study using an event-based ecological momentary assessment (EMA) methodology. At therapy initiation, patients completed the Trauma Symptoms of Discrimination Scale (TSDS), the Adverse Childhood Experiences (ACEs) questionnaire, and the Voice Handicap Index-10 (VHI-10). To assess mental effort and frustration for voice therapy, the NASA Task Load Index (NASA-TLX) was administered following each therapy session. Statistical tests were applied to examine differences in ratings among races and voice disorder diagnosis. Pairwise comparisons and generalized estimating equations were used to determine correlations between different outcome measures.</p><p><strong>Results: </strong>Twenty-seven participants (89% female, 60% white) completed the study. No significant differences in baseline perceptions of voice handicap, mental effort, frustration, trauma symptoms, or early adversity were observed among different groups. Elevated and clinically significant TSDS scores (M=46.18, SD=23.82) were observed among patients with FVDs. Statistically significant and positive correlations were observed between TSDS and mental effort and frustration scores (r=0.51, adjusted p=0.0296). Participants' mental-effort scores decreased significantly after therapy visits when considering the effects of confounders, but frustration scores did not.</p><p><strong>Discussion: </strong>Results indicate that patients reporting more trauma symptoms were also more likely to report greater cognitive effort and frustration during voice therapy than those reporting fewer trauma symptoms. While mental effort decreased from session to session during therapy, frustration did not. Findings underscore the need for the universal practice of trauma-informed care that includes equipping patients with resources that encourage positive emotions and resilience for the purpose of sustaining mental effort throughout the course of voice therapy.</p>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2026-03-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147370150","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-04DOI: 10.1016/j.jvoice.2026.02.016
Begüm Açar, Serkan Bengisu
Purpose: This study aims to evaluate the effect of obesity on phonation quality by examining changes in voice parameters in obese individuals who experienced weight loss after bariatric surgery, and to reveal the reflections of anatomical and physiological changes due to weight loss on voice characteristics.
Study design: Prospective study.
Methods: Fifteen female patients who underwent bariatric surgery were included in the study. The voice parameters of the participants were evaluated preoperatively and at the 3rd postoperative month. Demographic data were recorded during the evaluation; the Voice Handicap Index (VHI-10) and Grade, Roughness, Breathiness, Asthenia, Strain (GRBAS) scales were used for perceptual analysis. Voice recordings were obtained according to determined phonation and speech tasks; acoustic analyses were performed using MDVP software. Additionally, cepstral analyses were conducted using ADSV software. Aerodynamic evaluations were performed via maximum phonation time (MPT) measurement.
Results: At the 3rd month after sleeve gastrectomy, the mean body weight of the participants decreased from 104.60 ± 10.84 kg preoperatively to 81.73 ± 12.29 kg postoperatively; BMI decreased from 41.26 to 31.11 (p=0.001). Improvements in GRBAS and VHI-10 scores (p=0.003, p=0.041), and increases in SPI and MPT values (p=0.041, p<0.001) were detected. In cepstral analysis, significant changes were observed in CPP F0, CPP, and L/H Ratio SD parameters in certain sentence types (p<0.05).
Conclusion: Weight loss associated with bariatric surgery may lead to improvement in voice outcomes; however, the mechanisms underlying this improvement have not been fully elucidated. The findings suggest that physiological changes due to weight loss may strengthen respiration-phonation coordination, increase MPT, and improve certain aspects of vocal harmonic regularity. However, the limited change in fundamental acoustic parameters suggests that this effect may be multidimensional and individual-specific.
{"title":"Evaluation of Acoustic Characteristics of Voice Before and After Bariatric Surgery.","authors":"Begüm Açar, Serkan Bengisu","doi":"10.1016/j.jvoice.2026.02.016","DOIUrl":"https://doi.org/10.1016/j.jvoice.2026.02.016","url":null,"abstract":"<p><strong>Purpose: </strong>This study aims to evaluate the effect of obesity on phonation quality by examining changes in voice parameters in obese individuals who experienced weight loss after bariatric surgery, and to reveal the reflections of anatomical and physiological changes due to weight loss on voice characteristics.</p><p><strong>Study design: </strong>Prospective study.</p><p><strong>Methods: </strong>Fifteen female patients who underwent bariatric surgery were included in the study. The voice parameters of the participants were evaluated preoperatively and at the 3rd postoperative month. Demographic data were recorded during the evaluation; the Voice Handicap Index (VHI-10) and Grade, Roughness, Breathiness, Asthenia, Strain (GRBAS) scales were used for perceptual analysis. Voice recordings were obtained according to determined phonation and speech tasks; acoustic analyses were performed using MDVP software. Additionally, cepstral analyses were conducted using ADSV software. Aerodynamic evaluations were performed via maximum phonation time (MPT) measurement.</p><p><strong>Results: </strong>At the 3rd month after sleeve gastrectomy, the mean body weight of the participants decreased from 104.60 ± 10.84 kg preoperatively to 81.73 ± 12.29 kg postoperatively; BMI decreased from 41.26 to 31.11 (p=0.001). Improvements in GRBAS and VHI-10 scores (p=0.003, p=0.041), and increases in SPI and MPT values (p=0.041, p<0.001) were detected. In cepstral analysis, significant changes were observed in CPP F0, CPP, and L/H Ratio SD parameters in certain sentence types (p<0.05).</p><p><strong>Conclusion: </strong>Weight loss associated with bariatric surgery may lead to improvement in voice outcomes; however, the mechanisms underlying this improvement have not been fully elucidated. The findings suggest that physiological changes due to weight loss may strengthen respiration-phonation coordination, increase MPT, and improve certain aspects of vocal harmonic regularity. However, the limited change in fundamental acoustic parameters suggests that this effect may be multidimensional and individual-specific.</p>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2026-03-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147367221","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-02DOI: 10.1016/j.jvoice.2026.02.014
Ben Barsties V Latoszek, Saeed Saeedi, Samira Aghadoost, Svetlana Hetjens, Ferdinand Binkofski
<p><strong>Objectives: </strong>Functional voice disorders are the most common laryngeal disorder, occurring as primary disorders or secondary to organic causes, and are typically managed with voice therapy. Frequently, dysphonia (abnormal overall voice quality) is present as a main symptom. Expert perceptual ratings are considered the gold standard for evaluation. Multiple voice therapy approaches exist, but there is no comprehensive evidence to rank their efficacy.</p><p><strong>Design: </strong>Our study design was a systematic review and network meta-analysis.</p><p><strong>Data sources: </strong>MEDLINE, CENTRAL, Scopus, and Web of Science databases and manual sources were searched from inception to June 2025.</p><p><strong>Study selection: </strong>Two reviewers screened for randomized controlled trials evaluating voice therapy approaches or placebo/no treatment in patients with functional voice disorders and dysphonia symptoms using ordinal/analog perceptual ratings of overall voice quality severity.</p><p><strong>Data extraction and synthesis: </strong>Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Network Meta-Analyses guidelines were followed. Risk-of-bias was assessed using the Cochrane Risk of Bias tool version 2. Grading of Recommendations Assessment, Development, and Evaluation was used to evaluate the certainty of evidence. Mean differences were pooled using a frequentist, graph-theoretical network meta-analysis with random effects.</p><p><strong>Main outcome and measures: </strong>In this study, ratings of perceived overall voice quality (equal-appearing interval [EAI] or visual-analog scales) were converted to a 4-point EAI scale (0 = normal, 1 = slight, 2 = moderate, 3 = severe).</p><p><strong>Results: </strong>A total of 30 randomized clinical trials (N = 1210 patients) were included comparing 24 voice treatments and a control group (no treatment or placebo). The risk of bias ranged from low to high. No significant publication bias was detected. Some data inconsistencies were observed. Although overall heterogeneity was minimal, a small degree of low heterogeneity cannot be entirely excluded. Assessment of heterogeneity within the network also revealed no significant inconsistency. The most effective and significant therapy was an eclectic approach by considering vocal hygiene, manual therapy, facilitating techniques (FT) and transcutaneous electrical nerve stimulation (TENS) (-1.97 [95% CI, -2.97 to -0.97]). Variants of this approach including the same methods without TENS, as well as FT, Manual Circumlaryngeal Therapy, the Comprehensive Voice Rehabilitation Program, Vocal Function Exercises, Tube in Air Phonation, Water Resistance Therapy (WRT), a combination of WRT and Accent Method, and traditional voice therapy in on-one-on sessions also showed significant improvements. The level of certainty ranged from high to very low.</p><p><strong>Conclusions: </strong>In this network meta-analysis of patients
{"title":"Treatment Efficacy for Functional Voice Disorders with Dysphonia: A Network Meta-analysis.","authors":"Ben Barsties V Latoszek, Saeed Saeedi, Samira Aghadoost, Svetlana Hetjens, Ferdinand Binkofski","doi":"10.1016/j.jvoice.2026.02.014","DOIUrl":"https://doi.org/10.1016/j.jvoice.2026.02.014","url":null,"abstract":"<p><strong>Objectives: </strong>Functional voice disorders are the most common laryngeal disorder, occurring as primary disorders or secondary to organic causes, and are typically managed with voice therapy. Frequently, dysphonia (abnormal overall voice quality) is present as a main symptom. Expert perceptual ratings are considered the gold standard for evaluation. Multiple voice therapy approaches exist, but there is no comprehensive evidence to rank their efficacy.</p><p><strong>Design: </strong>Our study design was a systematic review and network meta-analysis.</p><p><strong>Data sources: </strong>MEDLINE, CENTRAL, Scopus, and Web of Science databases and manual sources were searched from inception to June 2025.</p><p><strong>Study selection: </strong>Two reviewers screened for randomized controlled trials evaluating voice therapy approaches or placebo/no treatment in patients with functional voice disorders and dysphonia symptoms using ordinal/analog perceptual ratings of overall voice quality severity.</p><p><strong>Data extraction and synthesis: </strong>Preferred Reporting Items for Systematic Reviews and Meta-Analyses for Network Meta-Analyses guidelines were followed. Risk-of-bias was assessed using the Cochrane Risk of Bias tool version 2. Grading of Recommendations Assessment, Development, and Evaluation was used to evaluate the certainty of evidence. Mean differences were pooled using a frequentist, graph-theoretical network meta-analysis with random effects.</p><p><strong>Main outcome and measures: </strong>In this study, ratings of perceived overall voice quality (equal-appearing interval [EAI] or visual-analog scales) were converted to a 4-point EAI scale (0 = normal, 1 = slight, 2 = moderate, 3 = severe).</p><p><strong>Results: </strong>A total of 30 randomized clinical trials (N = 1210 patients) were included comparing 24 voice treatments and a control group (no treatment or placebo). The risk of bias ranged from low to high. No significant publication bias was detected. Some data inconsistencies were observed. Although overall heterogeneity was minimal, a small degree of low heterogeneity cannot be entirely excluded. Assessment of heterogeneity within the network also revealed no significant inconsistency. The most effective and significant therapy was an eclectic approach by considering vocal hygiene, manual therapy, facilitating techniques (FT) and transcutaneous electrical nerve stimulation (TENS) (-1.97 [95% CI, -2.97 to -0.97]). Variants of this approach including the same methods without TENS, as well as FT, Manual Circumlaryngeal Therapy, the Comprehensive Voice Rehabilitation Program, Vocal Function Exercises, Tube in Air Phonation, Water Resistance Therapy (WRT), a combination of WRT and Accent Method, and traditional voice therapy in on-one-on sessions also showed significant improvements. The level of certainty ranged from high to very low.</p><p><strong>Conclusions: </strong>In this network meta-analysis of patients ","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2026-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147349772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Objectives: The aim of the study is to characterize the sociodemographic profile and describe the diagnoses of patients who consult for dysphonia at a voice unit in a University healthcare network in Chile.
Methods: We evaluated 1079 patients with dysphonia who attended the Voice Unit of a University Hospital. Parameters assessed were age, gender assigned at birth, occupation, smoking history, laryngeal diagnoses, patient-reported outcome measures scores, and Grade, Roughness, Breathiness, Asthenia, Strain, and Instability perceptual ratings.
Results: Of the 1079 patients with dysphonia who were included in this study, 418 were male (38.7%), and 661 were female (61.3%). The age groups were as follows: under 18 years (n = 68); 19-40 years (n = 353); 41-60 years (n = 383); and >60 years (n = 162). The predominant professions of the patients were teachers, retired individuals, and students. Smoking was reported by 17.7% patients. With regard to the etiology of dysphonia, in children (1-17 years old), cysts (n = 23;33,8%), nodules (n = 20;29,4%). In adults (18-60 years old), polyps (n = 142;19.3%), muscle tension dysphonia (MTD) (n = 107;14.5%), and vocal paralysis (n = 67;9.1%) predominated. In patients >60 years, vocal paralysis (n = 47;17%), presbylarynx (n = 30;10.9%), and vocal fold (VF) neoplasm (n = 22;8%) predominated. Based on videolaryngoscopic findings, the sample group was divided into functional dysphonia (n = 174), organic dysphonia (n = 679), and movement disorders (n = 226). The most frequently laryngeal pathologies were polyps, MTD, and VF paralysis. Organic dysphonia was more common in all age groups, and movement disorders dysphonia presented a worse voice quality and voice-related quality of life.
Conclusions: In this population of 1079 patients with dysphonia, adults and women were predominant. Dysphonia had different etiologies in the different age groups studied. Cysts and nodules predominating in children, polyps and MTD in adults, and paralysis in the elderly. This is the first study in Chile that finds the prevalence in a large number of patients of all ages that consult for dysphonia in a Voice Unit in an Otolaryngology Department.
{"title":"Sociodemographic and Diagnostic Characteristics of Patients with Dysphonia at a Tertiary Voice Unit in Chile: A Retrospective Study.","authors":"Jhonatan Castro, Antonia Lagos-Villaseca, Adrian Castillo-Allendes, Karen Nazal, Macarena Viñuela, Norma León, Carla Napolitano","doi":"10.1016/j.jvoice.2026.01.050","DOIUrl":"https://doi.org/10.1016/j.jvoice.2026.01.050","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of the study is to characterize the sociodemographic profile and describe the diagnoses of patients who consult for dysphonia at a voice unit in a University healthcare network in Chile.</p><p><strong>Methods: </strong>We evaluated 1079 patients with dysphonia who attended the Voice Unit of a University Hospital. Parameters assessed were age, gender assigned at birth, occupation, smoking history, laryngeal diagnoses, patient-reported outcome measures scores, and Grade, Roughness, Breathiness, Asthenia, Strain, and Instability perceptual ratings.</p><p><strong>Results: </strong>Of the 1079 patients with dysphonia who were included in this study, 418 were male (38.7%), and 661 were female (61.3%). The age groups were as follows: under 18 years (n = 68); 19-40 years (n = 353); 41-60 years (n = 383); and >60 years (n = 162). The predominant professions of the patients were teachers, retired individuals, and students. Smoking was reported by 17.7% patients. With regard to the etiology of dysphonia, in children (1-17 years old), cysts (n = 23;33,8%), nodules (n = 20;29,4%). In adults (18-60 years old), polyps (n = 142;19.3%), muscle tension dysphonia (MTD) (n = 107;14.5%), and vocal paralysis (n = 67;9.1%) predominated. In patients >60 years, vocal paralysis (n = 47;17%), presbylarynx (n = 30;10.9%), and vocal fold (VF) neoplasm (n = 22;8%) predominated. Based on videolaryngoscopic findings, the sample group was divided into functional dysphonia (n = 174), organic dysphonia (n = 679), and movement disorders (n = 226). The most frequently laryngeal pathologies were polyps, MTD, and VF paralysis. Organic dysphonia was more common in all age groups, and movement disorders dysphonia presented a worse voice quality and voice-related quality of life.</p><p><strong>Conclusions: </strong>In this population of 1079 patients with dysphonia, adults and women were predominant. Dysphonia had different etiologies in the different age groups studied. Cysts and nodules predominating in children, polyps and MTD in adults, and paralysis in the elderly. This is the first study in Chile that finds the prevalence in a large number of patients of all ages that consult for dysphonia in a Voice Unit in an Otolaryngology Department.</p>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2026-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147349833","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-02DOI: 10.1016/j.jvoice.2026.02.008
Ashvath Madhushankar, Jakob R Holm, Kelly Y Shih, Owen P Wischhoff, Rachel H Emanuel, Jack J Jiang
Introduction: Nonlinear energy difference ratio (NEDR) and voice type component profile (VTCP) are reliable acoustic metrics for voice classification; however, their performance under varying vocal intensities, speech sounds, and recording environments has not been thoroughly established. This study examined the effectiveness of these measures under real-world variability with different phonemes, sound intensities, and environments to help determine their clinical diagnostic potential.
Methods: Thirty-one normophonic adults produced sustained vowels (/a/, /i/, /u/) and fricatives (/s/, /z/) at five nominal sound pressure levels from very soft (L1), soft (L2), baseline (L3), loud (L4), and very loud (L5). The vowel /a/ was also recorded in sound-attenuated and noise-masked environments to elucidate the environmental effects on reliability. Trimmed 0.75-second samples were analyzed in MATLAB to compute NEDR and VTCP values. Repeated-measures analysis of variances tested the effects of intensity, sound type, and environment for NEDR and VTCP.
Results: NEDR remained stable across vowels and voiced fricatives, with deviations limited to very soft phonation (L1) and the voiceless fricative /s/. VTCP was more sensitive to changes, particularly at low intensities and in noisy environments, with voice types 3 and 4 frequently misclassifying healthy phonations as disordered. Across environments, NEDR showed greater robustness than VTCP.
Conclusion: NEDR demonstrates relative stability across vocal intensity, phoneme type, and recording environment, supporting its potential clinical utility, including in telepractice and nonsoundproof settings. Its susceptibility to very low intensities and voiceless fricatives highlights the need for cautious interpretation and further validation in disordered populations.
{"title":"Performance of Nonlinear Energy Difference Ratio and Voice Type Component Profile Across Phoneme, Relative Sound Pressure Level, and Environment.","authors":"Ashvath Madhushankar, Jakob R Holm, Kelly Y Shih, Owen P Wischhoff, Rachel H Emanuel, Jack J Jiang","doi":"10.1016/j.jvoice.2026.02.008","DOIUrl":"10.1016/j.jvoice.2026.02.008","url":null,"abstract":"<p><strong>Introduction: </strong>Nonlinear energy difference ratio (NEDR) and voice type component profile (VTCP) are reliable acoustic metrics for voice classification; however, their performance under varying vocal intensities, speech sounds, and recording environments has not been thoroughly established. This study examined the effectiveness of these measures under real-world variability with different phonemes, sound intensities, and environments to help determine their clinical diagnostic potential.</p><p><strong>Methods: </strong>Thirty-one normophonic adults produced sustained vowels (/a/, /i/, /u/) and fricatives (/s/, /z/) at five nominal sound pressure levels from very soft (L1), soft (L2), baseline (L3), loud (L4), and very loud (L5). The vowel /a/ was also recorded in sound-attenuated and noise-masked environments to elucidate the environmental effects on reliability. Trimmed 0.75-second samples were analyzed in MATLAB to compute NEDR and VTCP values. Repeated-measures analysis of variances tested the effects of intensity, sound type, and environment for NEDR and VTCP.</p><p><strong>Results: </strong>NEDR remained stable across vowels and voiced fricatives, with deviations limited to very soft phonation (L1) and the voiceless fricative /s/. VTCP was more sensitive to changes, particularly at low intensities and in noisy environments, with voice types 3 and 4 frequently misclassifying healthy phonations as disordered. Across environments, NEDR showed greater robustness than VTCP.</p><p><strong>Conclusion: </strong>NEDR demonstrates relative stability across vocal intensity, phoneme type, and recording environment, supporting its potential clinical utility, including in telepractice and nonsoundproof settings. Its susceptibility to very low intensities and voiceless fricatives highlights the need for cautious interpretation and further validation in disordered populations.</p>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":" ","pages":""},"PeriodicalIF":2.4,"publicationDate":"2026-03-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12958462/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147349815","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-01Epub Date: 2023-10-20DOI: 10.1016/j.jvoice.2023.09.022
Swapna Sebastian , Suma Susan Mathews , Mahasampath Gowri , Manish Kumar , John Mathew
The voice of an individual is the result of interaction between the laryngeal and supra-laryngeal structures of a person. Since the laryngeal and supra-laryngeal structures differ from one person to another, the voice produced by each person becomes unique and recognizably different from another person. If this uniqueness in voice can be found in the acoustic parameters of the voice, it can contribute to the fields of forensic speaker identification and voice biometrics. The best methodology for such a study would be a comparison of the voices of twins who have a number of similar characteristics.
Objectives of the study
To find out whether it is possible to perceptually differentiate the cry of identical twins from each other. To compare the acoustic parameters of cry among the twin pairs to find out the differentiating parameter.
Materials and methods
This was an observational longitudinal study. Nineteen pairs of twins less than 1 week old who had completed 34 months of gestation period with no major congenital abnormalities were included in the study. The PRAAT software was used for the analysis of the voice samples.
Results
The present study on neonates could not identify one single differentiating acoustic parameter among the twins. We infer from the study that rather than an individual parameter, it could be a complex interaction of different parameters that could give individual identity to a person’s voice.
Conclusion
The high similarity noticed in the acoustic parameters among the twin pairs, suggests that rather than individual parameters, it could be a complex interaction of different parameters that could give individual identity to a person’s voice. The study can offer information to automatic speaker recognition, Forensic speaker identification, and voice biometry.
{"title":"Can There be a Biometric Parameter for Voice?—An Investigation Into the Vocal Cry of Twins","authors":"Swapna Sebastian , Suma Susan Mathews , Mahasampath Gowri , Manish Kumar , John Mathew","doi":"10.1016/j.jvoice.2023.09.022","DOIUrl":"10.1016/j.jvoice.2023.09.022","url":null,"abstract":"<div><div>The voice of an individual is the result of interaction between the laryngeal and supra-laryngeal structures of a person. Since the laryngeal and supra-laryngeal structures differ from one person to another, the voice produced by each person becomes unique and recognizably different from another person. If this uniqueness in voice can be found in the acoustic parameters of the voice, it can contribute to the fields of forensic speaker identification and voice biometrics. The best methodology for such a study would be a comparison of the voices of twins who have a number of similar characteristics.</div></div><div><h3>Objectives of the study</h3><div>To find out whether it is possible to perceptually differentiate the cry of identical twins from each other. To compare the acoustic parameters of cry among the twin pairs to find out the differentiating parameter.</div></div><div><h3>Materials and methods</h3><div>This was an observational longitudinal study. Nineteen pairs of twins less than 1 week old who had completed 34 months of gestation period with no major congenital abnormalities were included in the study. The PRAAT software was used for the analysis of the voice samples.</div></div><div><h3>Results</h3><div>The present study on neonates could not identify one single differentiating acoustic parameter among the twins. We infer from the study that rather than an individual parameter, it could be a complex interaction of different parameters that could give individual identity to a person’s voice.</div></div><div><h3>Conclusion</h3><div>The high similarity noticed in the acoustic parameters among the twin pairs, suggests that rather than individual parameters, it could be a complex interaction of different parameters that could give individual identity to a person’s voice. The study can offer information to automatic speaker recognition, Forensic speaker identification, and voice biometry.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"40 2","pages":"Pages 316-320"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49693446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-01Epub Date: 2023-11-07DOI: 10.1016/j.jvoice.2023.10.012
Bailey Balouch , Philip J. Maxwell , Swetha Vontela , Robert T. Sataloff
Glottic insufficiency is incomplete or soft closure of the true vocal folds during phonation and is a common cause of dysphonia. Treatment includes voice therapy, type I thyroplasty, vocal fold injection augmentation (with materials such as autologous fat), arytenoid cartilage repositioning, or a combination of treatment modalities. The present study aimed to compare long-term outcomes of lipoinjection medialization with type I thyroplasty for patients with glottic insufficiency.
Methods
Adult voice center patients who had undergone surgical vocal fold medialization with autologous lipoinjection or with type I thyroplasty for glottic insufficiency were included in this retrospective study. The primary outcome measures were the need for further medialization surgery and improvement in the glottic gap.
Results
There were 172 subjects included in this study: 100 subjects underwent type I thyroplasty and 72 subjects underwent autologous lipoinjection medialization. Neither age nor gender differed significantly between thyroplasty and lipoinjection groups. The rate of further medialization surgery did not differ significantly between thyroplasty and lipoinjection groups, but further medialization surgery was performed longer after the initial operation in the thyroplasty group Baseline glottic gap did not differ significantly between thyroplasty and lipoinjection groups. When improvement from baseline was compared between thyroplasty and lipoinjection subjects, the improvement from baseline was similar for both groups at 6 months and at 12 months. Voice handicap index scores improved significantly after thyroplasty or after lipoinjection, and the improvement from baseline was similar in both cohorts.
Conclusion
Both autologous lipoinjection medialization and type I thyroplasty provide effective medialization for patients with glottic insufficiency. Both techniques yield similar reoperation rates, and the benefit of surgery appears to last for at least 1 year for most patients.
{"title":"Long-term Outcome of Autologous Lipoinjection Medialization Laryngoplasty versus Type I Thyroplasty","authors":"Bailey Balouch , Philip J. Maxwell , Swetha Vontela , Robert T. Sataloff","doi":"10.1016/j.jvoice.2023.10.012","DOIUrl":"10.1016/j.jvoice.2023.10.012","url":null,"abstract":"<div><div><span>Glottic insufficiency is incomplete or soft closure of the true vocal folds<span> during phonation and is a common cause of </span></span>dysphonia<span>. Treatment includes voice therapy, type I thyroplasty, vocal fold injection augmentation (with materials such as autologous fat), arytenoid cartilage repositioning, or a combination of treatment modalities. The present study aimed to compare long-term outcomes of lipoinjection medialization with type I thyroplasty for patients with glottic insufficiency.</span></div></div><div><h3>Methods</h3><div>Adult voice center patients who had undergone surgical vocal fold medialization with autologous lipoinjection or with type I thyroplasty for glottic insufficiency were included in this retrospective study. The primary outcome measures were the need for further medialization surgery and improvement in the glottic gap.</div></div><div><h3>Results</h3><div>There were 172 subjects included in this study: 100 subjects underwent type I thyroplasty and 72 subjects underwent autologous lipoinjection medialization. Neither age nor gender differed significantly between thyroplasty and lipoinjection groups. The rate of further medialization surgery did not differ significantly between thyroplasty and lipoinjection groups, but further medialization surgery was performed longer after the initial operation in the thyroplasty group Baseline glottic gap did not differ significantly between thyroplasty and lipoinjection groups. When improvement from baseline was compared between thyroplasty and lipoinjection subjects, the improvement from baseline was similar for both groups at 6 months and at 12 months. Voice handicap index scores improved significantly after thyroplasty or after lipoinjection, and the improvement from baseline was similar in both cohorts.</div></div><div><h3>Conclusion</h3><div>Both autologous lipoinjection medialization and type I thyroplasty provide effective medialization for patients with glottic insufficiency. Both techniques yield similar reoperation rates, and the benefit of surgery appears to last for at least 1 year for most patients.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"40 2","pages":"Pages 504-510"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71523210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-01Epub Date: 2023-11-03DOI: 10.1016/j.jvoice.2023.09.031
Surbhi Raheja, Pallavi Kelkar
Objectives
Educating teachers about vocal hygiene can be a means of alleviation or prevention of voice problems in this population. The present study aimed to compare four modes of educating teachers in India (n = 80) about vocal hygiene.
Method
Four groups of 20 teachers were exposed to educative material on the vocal hygiene program created for the present study. Each group received it either in audio mode delivered by the researcher posing as a voice therapist (VA); in audio mode delivered by a researcher posing as a teacher (TA); in written mode delivered by the researcher posing as a voice therapist (VW); or in written mode delivered by a researcher posing as a teacher (TW). The improvement in the knowledge of teachers before and after vocal hygiene education was gauged by administering a written questionnaire before and after the content that the teachers received.
Results
Results revealed that all four modes were effective in vocal hygiene education. However, no significant difference (P > 0.05) in the improvement of knowledge in teachers across the four modes was seen although the relative mean difference was observed higher for TW mode than other modes. Individual item analyses revealed that some concepts were conveyed more effectively than others. This gave insights into improving the quality and efficacy of vocal hygiene programs in the future.
Conclusion
Findings have implications in reaching out to remote areas and employing peer-to-peer teaching as an effective way of vocal hygiene education among teachers.
{"title":"Modes of Educating Teachers About Vocal Hygiene: A Comparative Study","authors":"Surbhi Raheja, Pallavi Kelkar","doi":"10.1016/j.jvoice.2023.09.031","DOIUrl":"10.1016/j.jvoice.2023.09.031","url":null,"abstract":"<div><h3>Objectives</h3><div>Educating teachers about vocal hygiene can be a means of alleviation or prevention of voice problems in this population. The present study aimed to compare four modes of educating teachers in India (n = 80) about vocal hygiene.</div></div><div><h3>Method</h3><div>Four groups of 20 teachers were exposed to educative material on the vocal hygiene program created for the present study. Each group received it either in audio mode delivered by the researcher posing as a voice therapist (VA); in audio mode delivered by a researcher posing as a teacher (TA); in written mode delivered by the researcher posing as a voice therapist (VW); or in written mode delivered by a researcher posing as a teacher (TW). The improvement in the knowledge of teachers before and after vocal hygiene education was gauged by administering a written questionnaire before and after the content that the teachers received.</div></div><div><h3>Results</h3><div>Results revealed that all four modes were effective in vocal hygiene education. However, no significant difference (<em>P</em> > 0.05) in the improvement of knowledge in teachers across the four modes was seen although the relative mean difference was observed higher for TW mode than other modes. Individual item analyses revealed that some concepts were conveyed more effectively than others. This gave insights into improving the quality and efficacy of vocal hygiene programs in the future.</div></div><div><h3>Conclusion</h3><div>Findings have implications in reaching out to remote areas and employing peer-to-peer teaching as an effective way of vocal hygiene education among teachers.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"40 2","pages":"Pages 360-368"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71488148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-01Epub Date: 2023-12-07DOI: 10.1016/j.jvoice.2023.10.030
Mustafa Aslıer , Hakkı Caner İnan , Aysun Sarıçetin , Hamdi Hakan Coskun
Objectives
The aim of this study was to evaluate the effects of inhaled fluticasone propionate on wound healing after phonosurgical trauma of larynx in rabbit model.
Study Design
A randomized controlled study on experimental animals (rabbits).
Methods
In this prospective experimental animal study, surgically induced type 2 scar was created under general anesthesia in 52 vocal folds of 26 rabbits. Inhaled fluticasone propionate was administered to 13 rabbits in the treatment group for 5 days after the trauma. Rabbits were sacrificed on the 10th, 30th, and 90th days. Histopathological examinations were performed to evaluate epithelization process, inflammation density, and collagen density at the wound side and the results compared between the groups.
Results
On the 10th day after surgical trauma, re-epithelialization was completed in both the treatment and the control groups. There was no difference between the groups in terms of mononuclear cell density on the 10th and 90th days (P > 0.05), but the inflammatory cell density was found to be lower in the treatment group on the 30th day (P = 0.005). Collagen density was significantly lower in all animals treated with inhaled fluticasone propionate, and sacrificed on the 10th, 30th, and 90th days, compared to the control group (P = 0.010, P = 0.038, and P < 0.001, respectively).
Conclusions
Inhaled fluticasone propionate to be applied after phonotrauma reduces inflammation and collagen density in scar tissue in rabbits. Future clinical studies will be promising for the positive effects of inhaled steroids on voice quality after phonosurgery.
{"title":"Effects of Inhaled Fluticasone Propionate on Wound Healing After Surgical Phonotrauma Model in Rabbit Larynx","authors":"Mustafa Aslıer , Hakkı Caner İnan , Aysun Sarıçetin , Hamdi Hakan Coskun","doi":"10.1016/j.jvoice.2023.10.030","DOIUrl":"10.1016/j.jvoice.2023.10.030","url":null,"abstract":"<div><h3>Objectives</h3><div><span><span>The aim of this study was to evaluate the effects of inhaled fluticasone propionate<span> on wound healing after phonosurgical </span></span>trauma of </span>larynx in rabbit model.</div></div><div><h3>Study Design</h3><div>A randomized controlled study on experimental animals (rabbits).</div></div><div><h3>Methods</h3><div><span><span>In this prospective experimental animal study, surgically induced type 2 scar was created under general anesthesia in 52 </span>vocal folds<span> of 26 rabbits. Inhaled fluticasone propionate was administered to 13 rabbits in the treatment group for 5 days after the trauma. Rabbits were sacrificed on the 10th, 30th, and 90th days. Histopathological examinations were performed to evaluate </span></span>epithelization process, inflammation density, and collagen density at the wound side and the results compared between the groups.</div></div><div><h3>Results</h3><div><span>On the 10th day after surgical trauma<span>, re-epithelialization was completed in both the treatment and the control groups. There was no difference between the groups in terms of mononuclear cell density on the 10th and 90th days (</span></span><em>P</em><span> > 0.05), but the inflammatory cell density was found to be lower in the treatment group on the 30th day (</span><em>P</em> = 0.005). Collagen density was significantly lower in all animals treated with inhaled fluticasone propionate, and sacrificed on the 10th, 30th, and 90th days, compared to the control group (<em>P</em> = 0.010, <em>P</em> = 0.038, and <em>P</em> < 0.001, respectively).</div></div><div><h3>Conclusions</h3><div>Inhaled fluticasone propionate to be applied after phonotrauma reduces inflammation and collagen density in scar tissue in rabbits. Future clinical studies will be promising for the positive effects of inhaled steroids on voice quality after phonosurgery.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"40 2","pages":"Pages 454-459"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138553556","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2026-03-01Epub Date: 2023-12-23DOI: 10.1016/j.jvoice.2023.09.029
Andrea M. Campagnolo , Jaqueline Priston , Vinícius Nickel , Michael Benninger
Vocal fold fat injection is a technique for treating glottic insufficiency (GI) resulting from various conditions. The use of fat as a graft has several advantages over other grafts. Similar pliability, and vibratory characteristics as a normal vocal fold, not causing foreign body reactions, having the potential to contain stem cells, and often can be done in the office. Long-term results, however, are unpredictable. The objective of this study is to carry out a systematic review of published articles using the technique of fat injection in the vocal folds.
Study design
Systematic review.
Review methods
A literature search was conducted utilizing the combination of the following keywords “vocal folds fat injection,” “laryngoplasty,” and “autologous fat injection vocal folds.” The criteria inclusion of the study for the systematic review were based on PICOTS (population, intervention, comparison outcome, timing, and setting) and Preferred Reporting Items for Systematic Reviews and Meta-analyses statements. Outcomes reviewed included technique, study duration, perceptual and acoustic analysis, and quality of life preoperation and 1-year postoperation.
Results
A systematic review on PubMed, Cochrane, and Embase databases included 13 studies analyzing the data of 472 patients, that had fat injection laryngoplasty for treatment of GI. The causes of GI varied substantially across studies. Considerable heterogeneity across studies was found, including technique for harvest, processing the fat, site of injection, and acoustic analysis. In the studies that measured maximum phonation time (MPT) there was a significant improvement in a follow-up of at least 1 year after the injection. The patient's perception of vocal quality, measured by the Voice Handicap Index, also showed significant improvement in several studies after fat injection laryngoplasty.
Conclusion
Fat injection laryngoplasty seems to be safe and effective for GI for at least 12 months. Multiple studies show favorable outcomes, but the lack of control groups, the heterogeneity in inclusion criteria, nonstandardized techniques, and objective voice evaluations limit this evaluation.
{"title":"Vocal Fold Fat injection for Glottic Insufficiency: Systematic Review","authors":"Andrea M. Campagnolo , Jaqueline Priston , Vinícius Nickel , Michael Benninger","doi":"10.1016/j.jvoice.2023.09.029","DOIUrl":"10.1016/j.jvoice.2023.09.029","url":null,"abstract":"<div><div><span>Vocal fold<span> fat injection is a technique for treating glottic insufficiency (GI) resulting from various conditions. The use of fat as a graft has several advantages over other grafts. Similar pliability, and vibratory characteristics as a normal vocal fold, not causing foreign body reactions, having the potential to contain stem cells, and often can be done in the office. Long-term results, however, are unpredictable. The objective of this study is to carry out a </span></span>systematic review of published articles using the technique of fat injection in the vocal folds.</div></div><div><h3>Study design</h3><div>Systematic review.</div></div><div><h3>Review methods</h3><div>A literature search was conducted utilizing the combination of the following keywords “vocal folds fat injection,” “laryngoplasty,” and “autologous fat injection vocal folds.” The criteria inclusion of the study for the systematic review were based on PICOTS (population, intervention, comparison outcome, timing, and setting) and Preferred Reporting Items for Systematic Reviews and Meta-analyses statements. Outcomes reviewed included technique, study duration, perceptual and acoustic analysis<span>, and quality of life preoperation and 1-year postoperation.</span></div></div><div><h3>Results</h3><div>A systematic review on PubMed, Cochrane, and Embase databases included 13 studies analyzing the data of 472 patients, that had fat injection laryngoplasty<span> for treatment of GI. The causes of GI varied substantially across studies. Considerable heterogeneity across studies was found, including technique for harvest, processing the fat, site of injection, and acoustic analysis. In the studies that measured maximum phonation time (MPT) there was a significant improvement in a follow-up of at least 1 year after the injection. The patient's perception of vocal quality, measured by the Voice Handicap Index, also showed significant improvement in several studies after fat injection laryngoplasty.</span></div></div><div><h3>Conclusion</h3><div>Fat injection laryngoplasty seems to be safe and effective for GI for at least 12 months. Multiple studies show favorable outcomes, but the lack of control groups, the heterogeneity in inclusion criteria, nonstandardized techniques, and objective voice evaluations limit this evaluation.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"40 2","pages":"Pages 466-475"},"PeriodicalIF":2.4,"publicationDate":"2026-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139027611","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}