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Voice quality changes after functional endoscopic sinus surgery in patients with nasal polyps. Sci Rep 2022; 12:21225. [PMID: 36482066 PMCID: PMC9732182 DOI: 10.1038/s41598-022-25841-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
Nasal polyps are associated with hyponasality. The effect of functional endoscopic sinus surgery (FESS) on voice quality has not been adequately investigated; therefore, this study developed objective and subjective measurements to compare nasal polyp patients pre- and postsurgery. An observational prospective study was conducted at Srinagarind Hospital, Khon Kaen University, Thailand. Bilateral nasal polyposis patients who underwent FESS between August 1, 2015 and August 1, 2017, were recruited. All participants were assessed for nasal polyp grade, nasometry, acoustic parameters, acoustic perception, and patient satisfaction before surgery and at the 1-, 3- and 6-month follow-ups. Forty-six patients, 29 males and 17 females (mean age 48.2 years ± 16.2 years), were enrolled. Mean nasometry scores were significantly improved at 1, 3 and 6 months after surgery (p < 0.05), whereas the acoustic parameters were not significantly different after surgery (p > 0.05). Overall acoustic perception, assessed with a set of words and sentences, showed significant improvement in hyponasality voice after surgery (p < 0.05), whereas GIRBAS showed no significant change after surgery in each parameter of perception (p > 0.05). Patient satisfaction with voice changes after surgery was high, with significantly increased mean scores between the 1- and 6-month follow-ups (p < 0.05). The results showed that FESS for nasal polyposis patients improved voice quality and patients' voice satisfaction ratings. Trial registration: This trial was registered at the Thai Clinical Trial Registry (TCTR20210324004).
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Internal branch of superior laryngeal nerve block by dexamethasone alleviates sore throat after thyroidectomy: a randomized controlled trial. Eur Arch Otorhinolaryngol 2022; 279:5877-5884. [PMID: 35737102 DOI: 10.1007/s00405-022-07513-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 06/14/2022] [Indexed: 01/04/2023]
Abstract
PURPOSE Postoperative sore throat (POST) is a common complaint following thyroidectomy. Dexamethasone was reported to alleviate POST when administered via different routes. This study aimed to compare the effects of local spray and perineural injection surrounding the internal branch of superior laryngeal nerve (iSLN) in preventing POST and alleviating postoperative impaired voice function. METHODS A randomized, double-blinded, controlled trial was performed to test the efficacy of the iSLN block in inhibiting of POST. A total of 161 patients who underwent elective thyroidectomy were randomly allocated to two groups. Group Spray: 4 mg dexamethasone was sprayed on to the vocal cord; Group iSLN: bilateral perineural injection with 4 mg dexamethasone around the iSLN. The incidence and severity of POST, swallowing pain, and its side effects were evaluated. Postoperative acoustic analysis, including jitter and shimmer, was also performed. RESULTS Group iSLN exhibited a significantly less incidence and intensity of POST at 6 h and 24 h (P < 0.001). The patients experienced less swallowing pain at 6 h (P < 0.001) after the surgery, compared with Group Spray. When compared with Group Spray, Group iSLN improved postoperative voice function, which was characterized by lower jitter and lower shimmer value at 6 h and 24 h (P < 0.001) after the surgery. The severity of postoperative cough is higher in Group Spray (P < 0.001). CONCLUSIONS Among patients undergoing elective thyroidectomy, those who received perineural injection surrounding iSLN with dexamethasone had improved voice function and presented with more excellence in the inhibition of POST and cough, in comparison with the local spray. REGISTER INFORMATION This trial was registered in the Chinese Clinical Trial Registry on 4th Jan, 2021 (ChiCTR2100042145). The trial is registered at http://www.chictr.org.cn/showproj.aspx?proj=120142 .
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Impact of Thyroid surgery on Voice: A prospective study. Indian J Otolaryngol Head Neck Surg 2022; 74:5094-5097. [PMID: 36742723 PMCID: PMC9895169 DOI: 10.1007/s12070-021-02787-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Accepted: 07/25/2021] [Indexed: 02/07/2023] Open
Abstract
Thyroidectomy is one of the most common neck surgery done worldwide. It is associated with debilitating post-operative voice changes even without recurrent laryngeal nerve (RLN) injury. Aims and Objectives: To study the impact of thyroidectomy on voice parameters in the absence of Recurrent Laryngeal Nerve and External Branch of Superior Laryngeal Nerve injury and comparison between the pre and post-operative changes in the subjective and objective voice parameters. Methodology: Patients fulfilling the inclusion criteria underwent thyroidectomy. The Subjective voice assessment was done using Voice Impairment Score (VIS) and objective parameters were analyzed using Multi-Dimensional Voice Program (MDVP) pre-operatively and post-operatively at 1 week, 1 month and 3 months interval. Results: On MDVP analysis of patients, a fall in Mean F0 (Hz), Minimum F0 (Hz) and Maximum F0 (Hz) values was noted at 1 week after surgery. But a trend toward the pre-operative values was observed at 3 months post-operatively.
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Changes in Voice After Septoplasty: A Pilot Study. Indian J Otolaryngol Head Neck Surg 2022; 74:1831-1835. [PMID: 36452526 PMCID: PMC9701994 DOI: 10.1007/s12070-020-01860-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 04/11/2020] [Indexed: 11/24/2022] Open
Abstract
The aim of this study was to evaluate changes in voice after septoplasty in adults using the Dr.Speech assessment module in conjunction with subjective evaluation using Voice Handicap Index (VHI). A total of 50 consecutive patients with symptomatic Deviated Nasal Septum (DNS) undergoing septoplasty were included in the study. Patients fit for surgery underwent septoplasty by standard technique. Voice assessment was done by subjective voice evaluation and Acoustic voice analysis preoperatively, 1 week after surgery and 1 month after surgery. Mean values of both males and females for Fundamental frequency (F0) were within the normal range at all the three times of assessment. No- significant differences were obtained at all the three times of assessment in males and females respectively. Significant results were obtained while comparing the preoperative and postoperative SNR dB values. Mean VHI score at preoperative, 1 week postoperative and 1 month postoperative was 23.2, 22 and 21.5 respectively. No statistical difference was obtained while comparing the mean VHI score at different time intervals. The scores between 0 and 30 are in the mild category, i.e. minimal amount of handicap. The scores of all the patients were less than 30 at all times of assessment. To conclude, post-operative changes in the voice parameters were minimal and not significant, they were indicative of greater acoustical quality of voice and lesser nasalized speech, thus reflecting the positive outcome of surgery.
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Nasality outcome in unilateral chronic rhinosinusitis following functional endoscopic sinus surgery. J Formos Med Assoc 2021; 121:936-942. [PMID: 34281727 DOI: 10.1016/j.jfma.2021.06.030] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/23/2021] [Accepted: 06/28/2021] [Indexed: 10/20/2022] Open
Abstract
BACKGROUND/PURPOSE In this study we aimed to investigate the prevalence of abnormal nasality in patients with unilateral rhinosinusitis and their nasality outcomes following functional endoscopic sinus surgery (FESS). METHODS A total of 42 patients with unilateral chronic rhinosinusitis who underwent unilateral FESS between April 2016 and November 2017 were enrolled. Questionnaires on sinonasal symptoms and nasality were recorded. The change in the nasalance score of vowels [a], [i] [u], nasal consonant [m], 2 nasal syllable repetitions, and 2 Chinese sentences were measured. The patients were evaluated preoperatively, 6 months, and 12 months after the operation. The patients were divided into two groups, wide opening surgery and limited surgery, according to the severity of the disease. RESULTS Among 42 patients, the subjective reports showed that one-third of unilateral chronic rhinosinusitis (CRS) patients had abnormal nasality preoperatively and significant improvement following FESS. The Lund-Mackay score was significantly negatively correlated with preoperative nasalance of [i] and positively correlated with change of nasalance of [i]. The increase in the value of [i] is statistically significant (p = 0.01) following FESS. In the further subgroup analysis, the change in nasalance was significant in the wide opening surgery group, but not in the limited surgery group. CONCLUSION Although only one side of the nasal airway was involved, one-third of the patients reported abnormal nasality. In patients with more disease severity who underwent wide opening surgery, the nasalance significantly increased 1 year after FESS. The increase in the objective nasalance score was corresponded to a significant improvement of subjective self-reported nasality assessment postoperatively.
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Neck complaints before and after uncomplicated thyroidectomy: prevalence, postoperative outcome and relationships with thyroid weight and reflux like symptoms. Endocrine 2021; 73:98-106. [PMID: 33405016 PMCID: PMC8211607 DOI: 10.1007/s12020-020-02568-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Accepted: 11/22/2020] [Indexed: 12/01/2022]
Abstract
PURPOSE The surgical thyroid disease includes upper aerodigestive complaints with not homogenous prevalence and specific features. The purpose was to analyze before and after total thyroidectomy (TT) the prevalence and severity of voice, swallowing, respiratory, and reflux airway symptoms in relation with thyroid weight. METHODS A total of 98 consenting patients undergoing TT were enrolled. Preoperatively, 1 and 3 months after TT, patients underwent videolaryngoscopy, subjective evaluation of voice (VIS), swallowing (SIS and EAT-10), respiratory (mMRC), and reflux symptoms (RSI, Gerd-Q). The scores were analyzed based on thyroid weight (<25 gr, 26-50 gr, 51-75 gr, >75 gr) and post-operative score gain was calculated from the score before TT and the follow-up examination. RESULTS In total, 40/98 selected cases of uncomplicated TT completed the postoperative evaluation. Endoscopic signs suggestive of reflux disease were observed in 1/40 (2.5%) and 0/19 cases before and after TT respectively. The prevalence of cases with abnormal reflux symptom index decreased significantly after surgery (8/40 vs 1/40) (p < 0.05), similarly occurred for the Gerd-Q (4/40 vs 1/40) (p < 0.05). Three months after TT the voice, swallowing and respiratory scores were significantly lower than the preoperative ones (p < 0.05). The SIS correlated positively with EAT-10 and RSI. After 3 months the postoperative score gain of voice, swallowing, respiratory, and reflux symptoms (Gerd-Q) was statistically higher (p < 0.05) in the cases with heaviest gland. CONCLUSIONS The surgical thyroid disease is associated to mild aerodigestive preoperative compressive symptoms, that include respiratory abnormalities and reflux like symptoms, regardless of the gland weight. In absence of endoscopic signs of airway reflux the presence of reflux symptoms suggests an overlapping with thyroid neck complaints. The patients undergoing uncomplicated TT had improvement in compressive symptoms and the greatest improvement is seen in larger goiters.
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How Can We Predict the Recovery from Pitch Lowering After Thyroidectomy? World J Surg 2021; 44:3395-3404. [PMID: 32488661 DOI: 10.1007/s00268-020-05628-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND Some of patients are suffered from pitch lowering of voice after thyroidectomy. We sought to identify factors predictive of a recovery from lowered pitch voice after thyroid surgery. METHODS We retrospectively reviewed the records of 133 patients who underwent total thyroidectomy to treat papillary carcinoma between January 2012 and February 2013. Of these, we enrolled 78 who exhibited a lower-pitched voice (SFF fall > 12 Hz) at 2 weeks post-operatively than pre-operatively and investigated pitch recovery after 3 months. We subclassified patients into recovery and non-recovery groups and compared videostroboscopic findings, acoustic voice data, and thyroidectomy-related voice questionnaire scores pre-operatively and 2, 8, and 12 weeks post-operatively. RESULTS Vocal cord asymmetry on videostroboscopic examination at 2 weeks post-operatively (odds ratio 19.056, p = 0.001*) was more frequent in the non-recovery group. In acoustic analysis, mean pre-operative SFF was higher in the non-recovery group than the recovery group (190.9 ± 27.5 and 180.9 ± 24.6 Hz, respectively; p = 0.030*). Also, a reduction in the SFF of > 19.6 Hz, at 2 weeks post-operatively versus pre-operatively, predicted non-recovery of pitch-lowering in patients with reduced SFF within post-operative 3 months, with 72.0% sensitivity and 71.2% specificity. After 6 months of follow-up, no patient who exhibited an SFF fall > 19.6 Hz recovered to within 10 Hz of the pre-operative value. CONCLUSION A reduction in the speaking fundamental frequency (SFF) > 19.6 Hz at 2 weeks post-operatively predicted persisting lowering of voice pitch after thyroidectomy among those with lower-pitched voices after surgery. Pre-operative high SFF and post-operative stroboscopic findings including vocal cord asymmetry at 2 weeks post-operatively also predicted persisting lowering of voice pitch for 3 months.
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Changes of nasalance scores in patients with chronic rhinosinusitis. Int Forum Allergy Rhinol 2020; 11:1022-1024. [PMID: 33372391 DOI: 10.1002/alr.22754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/23/2020] [Accepted: 11/26/2020] [Indexed: 11/06/2022]
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Perceptual Assessment and Acoustic Voice Analysis as Screening Tests for Vocal Fold Paresis After Thyroid or Parathyroid Surgery. World J Surg 2020; 45:765-773. [PMID: 33249535 PMCID: PMC7851023 DOI: 10.1007/s00268-020-05863-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/07/2020] [Indexed: 11/25/2022]
Abstract
Background The aim of this study was to evaluate the reliability of clinician-based perceptual assessment of voice and computerized acoustic voice analysis as screening tests for vocal fold paresis or paralysis (VFP) after thyroid and parathyroid surgery. Methods This was a prospective study of 181 patients undergoing thyroid or parathyroid procedure with pre and postoperative laryngoscopic vocal fold inspection, perceptual voice assessment using grade, roughness, breathiness, asthenia, and strain (GRBAS) scale and acoustic voice analysis using the multi-dimensional voice program (MDVP). Patients were divided into 2 groups for comparison; those with new postoperative VFP and those without. Potential screening tools were evaluated using the receiving operating characteristic (ROC) analysis. Results Fourteen (6.6%) patients had a new postoperative VFP. Postoperative GRBAS scores were significantly (P < 0.05) higher in patients with VFP compared to those without. However, there were no statistically significant differences in MDVP values between the groups. Postoperative GRBAS grade score (cut off > 0) had the best sensitivity, 93%, for predicting VFP, but the specificity was only 50%. Postoperative jitter (cut off > 1.60) in MDVP had a good specificity, 90%, but only 50% sensitivity. Combining all the GRBAS and MDVP variables with P < 0.05 in the ROC analysis yielded a test with 100% sensitivity and 55% specificity. Conclusions Physician-based perceptual voice assessment has a high sensitivity for detecting postoperative VFP, but the specificity is poor. The risk of VFP is low in patients with completely normal voice at discharge. However, routine laryngoscopy after thyroid and parathyroid surgery is still the most reliable exam for VFP screening.
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Functional Voice and Swallowing Outcome Analysis After Thyroid Lobectomy: Transoral Endoscopic Vestibular Versus Open Approach. World J Surg 2020; 44:4127-4135. [DOI: 10.1007/s00268-020-05731-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/04/2020] [Indexed: 01/29/2023]
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Does Nasal Surgery Affect Voice Outcomes? A Systematic Review with Meta-Analyses. Ann Otol Rhinol Laryngol 2020; 129:1174-1185. [PMID: 32525399 DOI: 10.1177/0003489420933290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVES Changes in airflow dynamics after nasal surgery may have implications on voice quality. Multiple studies have evaluated the impact of nasal surgery on voice using heterogeneous outcome measures. We aim to systematically review the impact of nasal surgery on voice quality. METHODS Our study design was a systematic review with meta-analyses. A literature search of PubMed, Ovid, Cochrane from 1997 to 2017 was performed. Inclusion criteria included English language studies containing original data on nasal surgery and voice. Two investigators independently reviewed all manuscripts and performed a comprehensive quality assessment. Meta-analysis was completed on quantitative voice measurements. RESULTS Of 463 identified, 19 studies with 692 patients fulfilled eligibility. Nasal surgeries performed included endoscopic sinus surgery (11/20), septoplasty (11/20), rhinoplasty (2/20), and turbinate reduction (2/20). Voice outcomes measured included nasalance (8/20), fundamental frequency (11/20), jitter (10/20), shimmer (10/20), harmonic to noise ratio (HRN) (8/20), formants (5/20), and voice handicap index (VHI) (4/20). Voice examinations were assessed preoperatively and 1 to 30 months postoperatively. Meta-analysis revealed statistically significant changes in nasalance, (P < .01) 1 month postoperatively; there was no significant difference in nasalance at 6 months postoperatively. All other variables analyzed revealed no statistically significant differences. Five of nine studies showed majority of patients did not notice subjective change in voice after surgery, but with high heterogeneity of measurements. CONCLUSIONS There may be a short-term increase in nasalance that resolves at longer follow-up, but there seem to be no other objective changes in voice. There may be subjective changes after surgery, but require further study to evaluate.
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Objective and subjective changes in voice after endoscopic sinus surgeries in patients with and without nasal polyps. Am J Otolaryngol 2020; 41:102367. [PMID: 31831185 DOI: 10.1016/j.amjoto.2019.102367] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2019] [Revised: 11/28/2019] [Accepted: 12/03/2019] [Indexed: 11/30/2022]
Abstract
BACKGROUND Many studies have looked at the effect of functional endoscopic sinus surgeries (FESS) on nasalance, nasal consonant and nasalized vowels. Only two studies investigated the effect of FESS on vocal sound quality and have not found statistically significant changes before and after operations. The aim of this study was to examine the short-term and long-term objective and subjective changes in the vocal quality of patients after FESS, comparing patients with and without nasal polyps. METHODS Sixteen patients were recruited for voice analysis during pre-operative, within two weeks and at least three months post-operatively. Subjective questionnaire was used to assess perception of voice changes. RESULTS There were no statistically significant changes in the acoustic parameters of patients with nasal polyposis. In patients with CRS without polyps, there was a statistically significant increase in fundamental frequency (F0) in nasal sound during early follow up. The changes in soft phonation index (SPI) values between the two groups were statistically significant during early follow-ups. Only patients with nasal polyposis perceived a subjective change in their voice post-operatively. CONCLUSIONS Clinicians should inform all patients, especially voice professionals about the possible effects of endoscopic sinus surgeries on their voice quality.
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Comparison Between Patient-Perceived Voice Changes and Quantitative Voice Measures in the First Postoperative Year After Thyroidectomy: A Secondary Analysis of a Randomized Clinical Trial. JAMA Otolaryngol Head Neck Surg 2019; 144:995-1003. [PMID: 29710208 DOI: 10.1001/jamaoto.2018.0309] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance Voice changes after thyroidectomy are typically attributed to recurrent laryngeal nerve injury. However, most postoperative voice changes occur in the absence of clinically evident vocal fold paralysis. To date, no study has compared the prevalence, duration, and consequences of voice-related disability from the patient perspective with use of quantitative vocal measures. Objectives To assess the quality-of-life consequences of postthyroidectomy voice change from the perspective of patients with thyroid cancer and to compare patient-perceived voice changes with changes in quantitative vocal variables at 5 time points in the first postoperative year. Design, Setting, and Participants This prospective mixed methods observational study within a randomized clinical trial occurred at the University of Wisconsin Hospital and Clinics. Participants were 42 patients with clinically node-negative papillary thyroid cancer without a preexisting vocal cord paralysis who were recruited and enrolled from outpatient clinics between June 6, 2014, and March 6, 2017, as part of the ongoing randomized clinical trial. Intervention Total thyroidectomy. Main Outcomes and Measures Semistructured interviews, symptom prevalence, and instrumental voice evaluations (laryngoscopy, phonation threshold pressure, Dysphonia Severity Index, and Voice Handicap Index) occurred at baseline (n = 42) and 2-week (n = 42), 6-week (n = 39), 6-month (n = 35), and 1-year (n = 30) postoperative time points. Results Participants had a mean age of 48 years (interquartile range, 38-58 years; age range, 22-70 years) and were mostly female (74% [31 of 42]) and of white race/ethnicity (98% [41 of 42]). Impaired communication was the primary theme derived from patient interviews from before thyroidectomy to after thyroidectomy. Voice changes were perceived by 24 participants at 2 weeks after thyroidectomy. After surgery, voice symptoms were prevalent and persisted for 50% (21 of 42) of participants out to at least 1 year of follow-up. Quantitative vocal perturbations were detected in the Dysphonia Severity Index and Voice Handicap Index at the 2-week follow-up but returned to baseline levels by the 6-week follow-up visit. Conclusions and Relevance Voice changes are common after surgery for papillary thyroid cancer and affect quality of life for many patients out to 1 year of follow-up. Directly querying patients about postoperative voice changes and questioning whether commonly used aerodynamic and acoustic variables detect meaningful voice changes are important in identifying patients whose quality of life has been affected by postthyroidectomy dysphonia. Trial Registration ClinicalTrials.gov Identifier: NCT02138214.
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Abstract
Importance An increasing number of surgeries are being performed for differentiated thyroid cancer (DTC). Long-term voice abnormalities are a known risk of thyroid surgery; however, few studies have used validated scales to quantify voice outcomes after surgery. Objective To identify the prevalence, severity, and factors associated with poor voice outcomes following surgery for DTC. Design, Setting, and Participants A cross-sectional, population-based survey was distributed via a modified Dillman method to 4185 eligible patients and linked to Surveillance, Epidemiology and End Results (SEER) data from SEER sites in Georgia and Los Angeles, California, from February 1, 2017, to October 31, 2018. Multivariable logistic regression and zero-inflated negative binomial analysis were performed to determine factors associated with abnormal voice. Participants included patients undergoing surgery for DTC between January 1, 2014, and December 31, 2015, excluding those with voice abnormalities before surgery. Main Outcomes and Measures Abnormal Voice Handicap Index (VHI-10) score, defined as greater than 11. The VHI-10 is designed to quantify 10 psychosocial consequences of voice disorders on a Likert scale (0, never; to 4, always). Results A total of 2632 patients (63%) responded to the survey and 2325 met the inclusion criteria. With data reported as unweighted number and weighted percentage, 1792 were women (77.4%); weighted mean (SD) age was 49.4 (14.4) years. Of these, 599 patients (25.8%) reported voice changes lasting more than 3 months following surgery, 272 patients (12.7%) were identified as having an abnormal VHI-10 score, and 105 patients (4.7%) reported vocal fold motion impairment diagnosed by laryngoscopy. In multivariable analysis, factors associated with an abnormal VHI-10 score included age 45 to 54 years (reference, ≤44 years; odds ratio [OR], 1.49; 95% CI, 1.05-2.11), black race (OR, 1.73; 95% CI, 1.14-2.62), Asian race (OR, 1.66; 95% CI, 1.08-2.54), gastroesophageal reflux disease (OR, 1.67; 95% CI, 1.15-2.43), and lateral neck dissection (OR, 1.99; 95% CI, 1.11-3.56). Conclusions and Relevance A high prevalence of abnormal voice per validation with the VHI-10 emphasizes the need for heightened awareness of voice abnormalities following surgery and warrants consideration in the preoperative risk-benefit discussion, planned extent of surgery, and postoperative rehabilitation.
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Abstract
BACKGROUND Septoplasty is a surgical technique for the correction of the nasal septum that may alter the vocal tract. The aim of our study is to assess whether this technique modifies nasalance and acoustic parameters, and their clinical implications in voice perception. METHODOLOGY A prospective study was performed between January 2017 and June 2017 including 2 groups of patients: those undergoing septoplasty, and a control group. Subjective nasality questionnaire, objective nasalance with nasometer, and GRBAS (Grade, Roughness, Breathiness, Asthenia, Strain) assessment were statistically analysed. In addition, a recording of patients' voices was made with a subsequent acoustic analysis. Samples were taken: pre-surgically, 2 weeks after surgery and after 3 months. RESULTS After septoplasty, a significant difference was observed in GRBAS, nasality questionnaire and nasometer nasalance, when compared with the control group. As for the acoustic analysis, no differences were observed in most parameters (F0, Jitter, Shimmer, HNR, NHR, Formants F1-F3), except for the antiF3 antiformant, which showed significant changes in all the vowels studied. CONCLUSIONS Septoplasty can produce changes in the vocal tract, with an increase in initial nasalance but with subsequent normalization. Besides, minor changes were found in the acoustic analysis but with no clinical relevance.
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The Effects of Endoscopic Sinus Surgery on Voice Characteristics in Chronic Rhinosinusitis Patients. Ann Otol Rhinol Laryngol 2019; 128:1129-1133. [DOI: 10.1177/0003489419861124] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Objectives: Functional endoscopic sinus surgery (FESS) is a standard treatment modality for patients with chronic rhinosinusitis (CRS) who have failed appropriate medical therapy. However, FESS entails modification of the upper airway tract that may alter phonatory resonance and produce voice changes. The effects of FESS on postoperative voice characteristics in patients with CRS have yet to be quantitatively assessed. Methods: Patients with severe CRS who underwent FESS at a tertiary care referral center between May and October 2017 were prospectively enrolled. The Consensus Auditory-Perceptual Evaluation of Voice (CAPE-V) and the Voice Handicap Index (VHI) were used to quantitatively evaluate voice characteristics and quality of life, respectively. Preoperative and postoperative CAPE-V and VHI scores were compared with postoperative scores for each patient. Sino-Nasal Outcome Test (SNOT-22) scores were also obtained to assess changes in patient symptoms. Results: 18 CRS patients undergoing FESS were enrolled. The average preoperative Lund-Mackay score was 14, indicating baseline severe CRS. Postoperative assessments demonstrated a statistically significant decrease in CAPE-V (45-27, p = .005) and VHI (10-4.7, p < .001) scores. These correlated with a statistically significant decrease in SNOT-22 scores (42-13, p < .001). Conclusions: Patients with CRS experience a significant improvement in voice characteristics and vocal quality of life following FESS. Furthermore, this appears to correlate with a significant decrease in self-reported disease severity. These findings may augment the discussion of potential benefits of FESS to a new potential domain for voice quality.
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Impact of Uncomplicated Total Thyroidectomy on Voice and Swallowing Symptoms: a Prospective Clinical Trial. Indian J Surg 2019. [DOI: 10.1007/s12262-019-01865-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022] Open
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Voice outcomes after endoscopic sinus surgery in patients with chronic rhinosinusitis with nasal polyposis. Laryngoscope 2018; 129:299-302. [DOI: 10.1002/lary.27264] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/09/2018] [Indexed: 11/07/2022]
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Long-term functional voice outcomes after thyroidectomy, and effect of endotracheal intubation on voice. Eur Arch Otorhinolaryngol 2018; 275:3049-3058. [DOI: 10.1007/s00405-018-5145-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Accepted: 09/20/2018] [Indexed: 11/28/2022]
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Nasality Changes With Age in Normal Korean-Speaking Adults. Clin Exp Otorhinolaryngol 2018; 12:95-99. [PMID: 30257547 PMCID: PMC6315219 DOI: 10.21053/ceo.2018.00717] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2018] [Accepted: 08/03/2018] [Indexed: 11/24/2022] Open
Abstract
Objectives This study was performed to investigate the effects of aging on nasality and the influence of age-related changes in nasal cavity volume and nasal patency on nasality. Methods A total of 180 healthy Korean-speaking adult volunteers, who had no nasal or voice-related complaints, were enrolled in this study. Nasometry, acoustic rhinometry, and rhinomanometry were performed to obtain the nasalance score, nasal cavity volume, and nasal resistance, respectively. Changes in these parameters with age were analyzed. Results Nasal cavity volume increased significantly, and nasal resistance decreased significantly, with age. The nasalance scores for the nasal passage and oronasal passage decreased significantly with age, while there were no age-related changes in nasalance scores for the oral passage. Conclusion Nasalance scores for the passages containing nasal consonants decreased with age although significant increases were observed in nasal cavity volume and nasal patency with age. Therefore, the age-related decreases in nasalance scores may result from factors other than changes in the nasal cavity.
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Evaluation of speech improvement following obturator prostheses for patients with palatal defect. THE JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA 2018; 143:202. [PMID: 29390771 DOI: 10.1121/1.5020781] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Palatal defect is a common maxillofacial defect after maxillectomy that can be repaired by obturator prostheses, which can effectively improve patients' speech. However, comprehensive evaluation methods for speech recovery are still controversial and remain undefined. A prospective cohort study on 34 patients with palatal defect and 34 healthy controls was performed. Patients received obturator prostheses and their speech was recorded without and then with obturators. Participants pronounced six Chinese vowels and 100 syllables for recording. This paper evaluated the recovery of speech function of patients through the combination of subjective and objective assessment methods. Recruited listeners evaluated the speech intelligibility (SI) of 100 syllables. Vowel formant frequency and quantified vowel nasalization were measured using analysis software. The SI of patients improved significantly after wearing obturators. F2 values of six vowels in patients with obturators were higher than patients without obturators and close to the corresponding values in normal controls. The differences in F2 of /i/ and /u/, (A1-P1) of /i/ and /u/ for patients without and with obturator use were significant. Patients' ability to control the pronunciation of /i/ and /u/ improved greatly with obturators. These provide clinical evidence of the treatment outcomes in patients with palatal defect who received obturators.
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Nasalance Changes Following Various Endonasal Surgeries. Int Arch Otorhinolaryngol 2017; 21:110-114. [PMID: 28382115 PMCID: PMC5375947 DOI: 10.1055/s-0037-1598035] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2016] [Accepted: 11/06/2016] [Indexed: 12/02/2022] Open
Abstract
Introduction There is change in nasalance post endonasal surgery which is not permanent. Objectives The objective of this study is to evaluate the long-term nasalance changes following different types of endonasal surgeries. Methods We included in this study patients who underwent sinonasal surgery at the Otorhinolaryngology Department in Zagazig University Hospitals from February 2015 until March 2016. We divided the patients into two groups according to the surgeries they underwent: Group (A) was the FESS group and group (B), the septoturbinoplasty group. We checked nasalance using a nasometer before and after the sinonasal surgery. Results Nasalance increased at one month after the operation in both groups. However, it returned to nearly original levels within three months postoperatively. Conclusion FESS, septoplasty, and turbinate surgery may lead to hypernasal speech. This hypernasal speech can be a result of change in the shape and diameter of the resonating vocal tract. Hypernasal speech in these circumstances may be a temporary finding that can decrease with time. Surgeons should inform their patients about the possibility of hypernasality after such types of surgery, especially if they are professional voice users.
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Effects of Nasal Obstruction due to Nasal Polyposis on Nasal Resonance and Voice Perception. Folia Phoniatr Logop 2016; 68:141-143. [DOI: 10.1159/000452490] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Hypernasality after using the endoscopic endonasal transsphenoidal approach for skull base tumors. Laryngoscope 2015; 126:329-33. [PMID: 26152772 DOI: 10.1002/lary.25450] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2014] [Revised: 04/16/2015] [Accepted: 05/28/2015] [Indexed: 11/08/2022]
Abstract
OBJECTIVES/HYPOTHESIS The increasing number of endoscopic endonasal transsphenoidal approaches (EETSA) has resulted in several sinonasal complications, including voice changes. Here, we compared preoperative and postoperative voice changes according to age. METHODS We retrospectively reviewed the medical records. Patients were divided into the following three groups according to age: ≤ 30 years, 31 to 60 years, and ≥ 60 years. Patients underwent preoperative voice evaluation using acoustic analysis, a nasometer, and the voice handicap index (VHI). A nasometer was used to measure the nasalance scores. The subjects read or repeated three speech stimuli. For each stimulus, mean nasalance scores were obtained and age dependence was analyzed. Repeat testing was performed 6 months postoperatively. RESULTS One hundred and seventy patients who underwent binostril four-hand EETSA with a bilateral modified rescue flap were included in this study. Mean nasalance scores for the oral passage, oronasal passage, and nasal passage--as well as mean jitter scores, shimmer scores, and VHI--were significantly increased in all of the EETSA patients (P < 0.05 for all). Mean nasalance scores for the nasal sentences were significantly increased in the ≤ 30 age group (all, P < 0.05). Scores for the oronasal passage and nasal passage were significantly increased in the 31 to 60 age group (all, P < 0.05). Scores for the oronasal passage, nasal passage, jitter, and shimmer were significantly increased in the > 60 age group (all, P < 0.05). CONCLUSIONS Endoscopic endonasal transsphenoidal approaches might contribute to voice changes. In addition, older age might produce hypernasality and roughness after EETSA. Patients who plan to undergo EETSA should be informed that their voice may change after the operation. LEVEL OF EVIDENCE 4.
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Changes in nasal resonance following septoplasty in adults: Acoustic and perceptual characteristics. LOGOP PHONIATR VOCO 2015; 41:93-100. [PMID: 25842965 DOI: 10.3109/14015439.2015.1007160] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES Patients undergoing surgery for a deviated nasal septum (septoplasty) often report that their voice sounds different or less hyponasal. However, such a relationship between septoplasty and vocal resonance remains without scientific evidence. The purpose of this work is to investigate whether nasal septal surgery has any effect on nasal resonance, both in terms of objective measurements and patient perception. METHODS The research carried out was a prospective case-control study. We recruited patients who underwent septoplasty (study group) and healthy volunteers (control group). We obtained voice recordings of the nasal consonant /m/ pre- and four weeks postoperatively and twice at similar time intervals in the control group. We investigated objective changes by means of acoustic analysis of the voice recordings and calculated the total amount of acoustic energy in different bandwidths on a wide-band spectrogram. We also utilized a questionnaire to explore patient perception. RESULTS A total of 34 participants entered the study. ANOVA testing revealed significant changes in average total acoustic energy, phlegm, and throat dryness postoperatively. Regarding patient perception, a considerable number of our patients felt that their voice had changed for the better upon direct questioning. However, statistical analysis of the questionnaire items related to nasality of voice did not show a significant change. CONCLUSIONS In this study it has been demonstrated that surgical correction of septal deviation causes significant spectrographic changes. In particular it causes changes in the average total acoustic energy during the production of a nasal consonant. A considerable number of our patients reported change in their vocal resonance for the better. We recommend that patients be advised that their voice may sound different after surgery, or less hyponasal.
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Abstract
OBJECTIVES The nose and paranasal sinuses contribute to speech resonance and changes to these structures may alter speech nasality. This change may influence one's vocational and social functioning and quality of life. Our investigation explored objective and subjective changes in nasality following nasal surgery in a prospective and longitudinal fashion. METHODS Recordings of sustained vowel and sentence stimuli and voice-related quality of life measurements were obtained preoperatively and at 2, 4, 8, and 24 weeks postoperatively from individuals undergoing nasal and/or sinus surgery. Objective measures of fundamental frequency, jitter, shimmer, and harmonic to noise ratio (HNR) were determined. Pre- and postoperative speech samples were assessed by 15 naïve listeners. RESULTS In all, 15 subjects completed the study. Neither speakers nor listeners perceived a subjective change in nasality following surgery. No statistically significant change in microacoustic measures were identified. Although nasal sentences did not reveal differences for 3 microacoustic measures, a difference in HNR was identified. CONCLUSIONS Patients undergoing nasal surgery did not exhibit subjective changes in resonance postoperatively. Aside from a difference in HNR for the nasal sentence, objective microacoustics remained unchanged. These results demonstrate the stability of oranasal resonance despite nasal surgery and provide valuable data for patient informed decision-making.
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Changes in Acoustic Parameters of Voice After Endoscopic Sinus Surgery in Patients with Nasal Polyposis. Indian J Otolaryngol Head Neck Surg 2014; 66:381-5. [PMID: 26396948 PMCID: PMC4571469 DOI: 10.1007/s12070-014-0700-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2013] [Accepted: 01/18/2014] [Indexed: 10/25/2022] Open
Abstract
Our aim was to evaluate acoustic voice analysis of patients diagnosed with nasal polyps before and after endoscopic sinus surgery. Forty-three patients diagnosed with nasal polyposis who had undergone endoscopic sinus surgery were included in this prospective study. Patients were divided into three groups according to the stage of nasal obstruction before the surgery. Acoustic voice analyses were performed on each patient before the endoscopic sinus surgery and six weeks following the surgery with the multi-dimensional voice program. Jitter, shimmer, F0 frequency, and noise to harmonic ratio (NHR) parameters were obtained for acoustic analysis. Our investigation showed that Jitter, shimmer and NHR values decreased, and F0 value increased in the postoperative period in patients that had a partial nasal obstruction before the surgery. Non-significant increases were also observed in these four parameters after the surgery in cases with total or near-total nasal obstruction. We also found that the postoperative changes in shimmer values between the Stage III patients and the patients in other stages were statistically significant (P = 0.027). Voice changes that became more marked with increasing stages of the nasal polyposis. According to our results, patients should be informed of the possible alterations in speech following major surgical interventions on the paranasal sinuses.
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Changes and recovery of voice quality after sinonasal surgery. Eur Arch Otorhinolaryngol 2014; 272:2853-9. [DOI: 10.1007/s00405-014-3386-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Accepted: 10/30/2014] [Indexed: 10/24/2022]
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The role of the maxillary sinus on the voice. Eur Arch Otorhinolaryngol 2014; 272:2347-50. [PMID: 25348340 DOI: 10.1007/s00405-014-3357-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2014] [Accepted: 10/19/2014] [Indexed: 11/24/2022]
Abstract
The objective of the study was to determine the effect of the maxillary sinus on the voice. The prospective study was conducted at an academic secondary referral center. A prospective chart review of 43 patients (17 males, 26 females) who conducted a voice recording and survey before and 3 months after middle meatal antrostomy whose lesion was confined to the maxillary sinus. Subjective voice changes were surveyed using a questionnaire. After phonation [∧m ma: the Korean pronunciation of 'mother'], [Nu Na: the Korean pronunciation of 'sister'], we analyzed the nasal consonant [m] of [∧m ma] and nasalized vowel [a] of [∧m ma] and [a] of [Nu Na]. In the poll conducted, the change rates for males and females were 41.1 % (7/17) and 15.4 % (4/26), respectively; of the male patients, 85.7 % (6/7) felt that the sound quality was better and 14.3 % (1/6) that it was worse. However, all the female patients felt it was better. Among of the patients with an improved voice, reduced nasal sound was the most frequent observation. In an objective analysis, a tendency to lowered frequencies was observed for nasalized vowels after surgery. Significant differences were observed at second formant frequencies of [a] of [∧m ma] and first formant frequencies of [a] of [Nu Na] in female subjects (P < 0.005). Our findings indicated that the maxillary sinus plays a role in the modification of voice quality. Preoperative counseling is important for patients concerning expected changes in the voice after maxillary sinus surgery.
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Nasalance scores in pediatric patients after adenoidectomy. Int J Pediatr Otorhinolaryngol 2014; 78:610-3. [PMID: 24507662 DOI: 10.1016/j.ijporl.2014.01.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Revised: 01/06/2014] [Accepted: 01/08/2014] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Adenoidectomy is one of the most frequently performed operations in childhood. Nasal obstruction and chronic infection are the basic indications for surgery. Nasometer measures both oral and nasal air pressure during loud speech, and calculates their ratio. The aim of this study was to compare the mean nasal values in patients who had adenoidectomy at different ages against a control group. METHODS Eighty children between the ages of three and sixteen that had adenoidectomy in our clinic between 2006 and 2010 were compared against eighty age-matched controls who had not had nasal obstruction in their lifetime and were proven to have open nasal airways on physical examination. RESULTS Statistical analysis of the data showed that mean nasalance scores were significantly lower in patients who had adenoidectomy before 6 years of age when compared to the ones who had the operation after the age of six. In addition, when we compared the children who had adenoidectomy before 5 years of age and between 5 and 6 years of age, we found that their nasalance scores were significantly lower when compared to those who had adenoidectomy after the age of six (p = 0.017 and p = 0.019, respectively). CONCLUSION This study has shown that, even when adenoidectomy is performed, hyponasality may continue in clinically symptomatic patients under the age of six, and that there are no determined risk factors other than the early age.
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Nasalance change after sinonasal surgery: analysis of voice after septoturbinoplasty and endoscopic sinus surgery. Am J Rhinol Allergy 2013; 27:67-70. [PMID: 23406604 DOI: 10.2500/ajra.2013.27.3832] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND Changes in nasalance caused by resonance change after endonasal surgeries have been reported in prior studies. In clinical practice, although patients often complain of a nasal voice just after surgery, their voices recover over time. The objective of this study was to evaluate the long-term nasalance changes before and after endonasal surgery. METHODS Patients who underwent sinonasal surgery at Yeouido St. Mary's Hospital between March 2009 and July 2011 were included in this study. We classified the subjects into three groups according to the surgeries they underwent: group 1, the septoturbinoplasty group; group 2, the endoscopic sinus surgery group; and group 3, the septoturbinoplasty and endoscopic sinus surgery group. We checked acoustic profiles, Grade, Roughness, Breathiness, Asthenia, Strain (GRBAS) scores, and nasalance using a nasometer before and after the sinonasal surgery. RESULTS When considering multidimensional voice program results, no observed parameters showed statistically meaningful changes before or after the operation in all three groups. GRBAS scales in all patients changed less than two scales postoperatively. Nasalance increased at 1 month after the operation in all groups. However, it returned to original levels with time: 3 months in group 2 and 6 months in groups 1 and 3. CONCLUSION Sinonasal surgery can change the acoustic characteristics of the vocal tract and produce a significant increase in nasality in the early phase. However, after proper healing of the nasal cavity, nasality was observed to become similar to the preoperative level. Therefore, patients, especially voice professionals, do not need to be wary of voice changes after sinonasal surgery.
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Effects of uvulopalatopharyngoplasty with or without radiofrequency tongue base reduction on voice in patients with obstructive sleep apnea. Laryngoscope 2013; 123:1806-10. [DOI: 10.1002/lary.23456] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Revised: 03/21/2012] [Accepted: 05/03/2012] [Indexed: 11/08/2022]
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An acoustical analysis of the effects of maxillary sinus augmentation on voice quality. Oral Surg Oral Med Oral Pathol Oral Radiol 2012; 115:175-84. [PMID: 22835658 DOI: 10.1016/j.oooo.2012.01.035] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2011] [Revised: 01/13/2012] [Accepted: 01/30/2012] [Indexed: 11/19/2022]
Abstract
OBJECTIVE Increased experience in sinus lifting procedures has led to a number of literature reports, but the potential effects of sinus lifting on voice quality is not clearly addressed in clinical studies. The aim of this study was to objectively investigate the effects of sinus lifting on alterations in voice quality and, in particular, on vocal resonance. STUDY DESIGN A total of 17 patients who were in need of bilateral sinus augmentation were recruited. Acoustic analyses were performed before and after surgery. Volume changes in the sinuses were recorded before and after surgery using dental volumetric tomography. The Friedman test with Bonferroni correction was used to analyze the data. RESULTS Changes in the perturbation parameters of acoustic sound analysis were found to be statistically significant. CONCLUSIONS We recommend that all patients (especially voice professionals) be informed about the possible effects of sinus lifts on speech and voice alterations.
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Abstract
OBJECTIVE It is well known that the nasal cavity and paranasal sinuses affect the acoustic characteristics of the voice as resonators. Any expansion in nasal valve area, the narrowest segment of the nasal cavity, affects the nasal resistance and therefore has the potential to alter the nasalance. The aim of this study was to investigate the effect of nasal valve changes on nasalance of the voice by using an external nasal dilator strip that widens the nasal valve area. STUDY DESIGN Before-and-after study. SETTING Tertiary university hospital. SUBJECTS AND METHODS Healthy volunteer subjects who had no nasal or voice-related complaints were enrolled in the study. All subjects underwent acoustic rhinometry and nasometry before and while wearing a commercially available external nasal dilator strip. The data with and without the nasal strip were compared. RESULTS Twenty-five subjects were enrolled in the study. After the application of nasal strips, statistically significant increases were observed in the minimal cross-sectional area of the nasal valve. However, there were no significant changes in the nasalance measurements. CONCLUSION Despite increasing the nasal valve area, application of the nasal strips did not cause any significant change in nasalance scores in healthy subjects, showing no relationship between the nasal valve and nasalance of the voice.
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The use of automatic speech recognition showing the influence of nasality on speech intelligibility. Eur Arch Otorhinolaryngol 2010; 267:1719-25. [PMID: 20422201 DOI: 10.1007/s00405-010-1256-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2009] [Accepted: 04/12/2010] [Indexed: 11/25/2022]
Abstract
Altered nasality influences speech intelligibility. Automatic speech recognition (ASR) has proved suitable for quantifying speech intelligibility in patients with different degrees of nasal emissions. We investigated the influence of hyponasality on the results of speech recognition before and after nasal surgery using ASR. Speech recordings, nasal peak inspiratory flow and self-perception measurements were carried out in 20 German-speaking patients (8 women, 12 men; aged 38 ± 22 years) who underwent surgery for various nasal and sinus pathologies. The degree of speech intelligibility was quantified as the percentage of correctly recognized words of a standardized word chain by ASR (word recognition rate; WR). WR was measured 1 day before (t1), 1 day after with nasal packings (t2), and 3 months after (t3) surgery; nasal peak flow on t1 and t3. WR was calculated with program for the automatic evaluation of all kinds of speech disorders (PEAKS). WR as a parameter of speech intelligibility was significantly decreased immediately after surgery (t1 vs. t2 p < 0.01) but increased 3 months after surgery (t2 vs. t3 p < 0.01). WR showed no association with age or gender. There was no significant difference between WR at t1 and t3, despite a post-operative increase in nasal peak inspiratory flow measurements. The results show that ASR is capable of quantifying the influence of hyponasality on speech; nasal obstruction leads to significantly reduced WR and nasal peak flow cannot replace evaluation of nasality.
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Relationship between nasal cavity volume changes and nasalance. The Journal of Laryngology & Otology 2008; 123:407-11. [PMID: 19000331 DOI: 10.1017/s0022215108004076] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVES The patency and volume of the nasal cavity affect the acoustic characteristics of the voice. The aim of this study was to investigate the effect of a nasal decongestant on nasal volumes and nasalance scores, and to determine the relationship between these measures. METHODS Acoustic rhinometry and nasometry were performed in a group of 21 adult volunteers both prior to and following application of a nasal decongestant. The relationship between changes in nasalance scores and acoustic rhinometric parameters was investigated. RESULTS After the application of nasal decongestant, statistically significant increases were observed in nasalance scores and in all of the acoustic rhinometric parameters assessed (i.e. minimal cross-sectional area, three cross-sectional areas, three volumes and total volume). However, no significant correlation was found between the changes in nasalance scores and acoustic rhinometric parameters. CONCLUSIONS Nasal decongestion causes an increase in nasalance scores and nasal cavity volumes. However, the findings of this study indicate that changes in nasalance scores may result from factors other than nasal cavity volume changes.
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Abstract
Palsy of the external branch of the superior laryngeal nerve (EBSLN) during thyroid surgery is an important complication reported with varying frequency. This study was carried out to investigate the relationship between the EBSLN, the upper part of the thyroid gland and the inferior constrictor muscle of the pharynx (IC), and also to define consistent landmarks for identifying and preserving the EBSLN. Forty neck halves of 20 cadavers were dissected. Measurements were obtained between the crossing point of the EBSLN with the superior thyroid artery (STA) and the upper pole of the thyroid gland, the point where EBSLN penetrates the IC and the inferior thyroid tubercle, and the middle point of the oblique line of the thyroid cartilage, and the EBSLN. In 22.5%, the EBSLN crossed the STA more than 1 cm above the upper pole of the thyroid gland (Type I of Cernea et al. [1992a] Head Neck 14:380-383). In 60%, the EBSLN crossed the STA less than 1 cm above the upper pole of the thyroid gland (Type IIa of Cernea et al. [1992a] Head Neck 14:380-383). In 17.5%, the EBSLN crossed the STA under the upper pole of the thyroid gland (Type IIb of Cernea et al. [1992a], Head Neck 14:380-383). In 22.5%, the full course of the nerve was superficial to the IC (Type 1 of Friedman et al. [2002] Arch Otolaryngol Head Neck Surg 128:296-303). In 67.5%, the nerve penetrated the IC (Type 2 of Friedman et al. [2002] Arch Otolaryngol Head Neck Surg 128:296-303). In 10%, the nerve could not be identified at the lateral side of the IC (Type 3 of Friedman et al. [2002] Arch Otolaryngol Head Neck Surg 128:296-303). In conclusion, it is possible to identify the nerve superficial to the IC in 90% of specimens on average. Knowledge of the relationship between the EBSLN, IC, inferior thyroid tubercle, oblique line of the thyroid cartilage and the sternothyroid muscle will be useful for the surgeon in avoiding unexpected complications.
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Abstract
BACKGROUND Hyponasality may be present in patients with chronic rhinosinusitis because of decreased resonance of nasal cavities. Nasalance is a parameter of nasality measured by a nasometer. This study investigated the influence of functional endoscopic sinus surgery (FESS) on nasalance and determined the correlation of the nasalance change with nasal volume change. METHODS When patients with chronic rhinosinusitis underwent FESS, nasalance was measured by nasometry and nasal volume was measured by acoustic rhinometry before and at least 6 months after surgery. RESULTS There were 81 eligible patients enrolled in the study. Nasalance scores and nasal volumes were significantly increased after FESS. The increased nasalance value was moderately correlated with the increased midnasal and postnasal volumes. The correlation between postoperative changes in nasalance scores and nasal volumes was more remarkable in patients without nasal polyps than in those with nasal polyps and it was also higher in patients with allergic rhinitis than in those without allergic rhinitis. CONCLUSION This study showed that the FESS effectively increased nasalance scores and nasal volumes in patients with chronic rhinosinusitis, but the increase in nasalance scores did not appear to be achieved largely through the increased nasal volumes.
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Abstract
OBJECTIVE The purpose of this study was to evaluate the effect of nasal decongestant on nasalance scores for a group of 100 individuals. PARTICIPANTS Forty-one subjects with hypernasality and 59 subjects without hypernasality underwent nasometric assessment at the Hospital for Rehabilitation of Craniofacial Anomalies, University of São Paulo, Bauru, Brazil. DESIGN Nasalance scores were obtained for each subject before the application of a nasal decongestant and again 10 minutes after subjects received a topical nasal decongestant applied into both nostrils. RESULTS The nasalance scores obtained after the application of the nasal decongestant were significantly higher than those obtained before the decongestant. CONCLUSIONS Nasal decongestion had a small but statistically significant effect on nasalance scores, suggesting that in some individuals, nasal congestion should be a variable of concern when using the Nasometer. Both nasal congestion (i.e., due to nasal rhinitis) and the effects of nasal decongestant sprays may influence Nasometer test results. Interpretation of nasalance scores, therefore, should be done carefully. Furthermore, nasometry, with and without nasal decongestant, can be a valuable clinical tool for screening anterior nasal obstruction, helping to isolate obstruction due to nasal congestion from structural obstruction in the nasal cavities.
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Abstract
BACKGROUND Voice alterations after thyroidectomy can be found even with preserved function of laryngeal nerves. The purpose of this study was to evaluate voice before and after thyroid surgery and the role of orotracheal intubation on voice changes. METHODS We conducted a prospective nonrandomized study of patients who underwent thyroid surgery and compared the results with a control group of patients who underwent breast surgery. Subjects underwent a videolaryngoscopic exam, a subjective and an objective voice analysis and a Voice Handicap Index (VHI) questionnaire before and after surgery. RESULTS A total of 100 patients who underwent thyroidectomy and 30 who underwent breast surgery were studied. Both groups were similar in demographic, clinical, and surgical variables. Postoperative videolaryngoscopy showed larynx alterations in 28% of the thyroidectomized patients, without significant alterations in the control group. There were subjective voice changes in 29.7% of the patients without vocal fold immobility after thyroid surgery and no statistically significant changes after breast surgery. Acoustic analysis showed significant increased values in the voice turbulence index (VTI) parameter in both groups, although higher in the thyroid one. In the VHI assessment, voice complaints were more frequently registered in the thyroid group rather than in the control group. CONCLUSIONS Voice alterations are frequent after thyroidectomy even with preserved vocal fold mobility. Such alterations were more frequently detected in that group than in patients who underwent breast surgery. Orotracheal intubation is just one of the multiple factors involved.
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Abstract
The nasal cavity and its related structures make significant contributions to human phonation, especially the resonance of voice spectra. The voice spectra of the nasal consonant-vowel (CV), [md:], in the subjects with nasal obstruction were obtained and were compared with the spectra of the same CV vocalized by the same subjects after topical nasal decongestion treatment with 1:1000 epinephrine solution. Results revealed that the intensity damping was more marked in the high-frequency area (>1600 Hz) after the nasal decongestion. Moreover, the intensities of the spectral valleys damped more than the spectral peaks, especially the spectral valley of 1000-2700 Hz. Therefore, a more complex spectral pattern was formed by the resultant uneven damping effect after nasal decongestion. The nasal cavity plays an important role in the formation of spectral peaks and valleys, and such engraved voice spectra may also characterize nasal voices like the nasal CV [md:] demonstrated in our study.
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Abstract
Forty adult patients diagnosed with chronic rhinosinusitis who underwent functional endoscopic sinus surgery (FESS), were analyzed with respect to postoperative resonatory voice changes. For evaluation the patients were asked about their subjective impression of voice changes using a questionnaire. An objective assessment was performed by determining the so-called nasalance using the Nasometer (Kay Elemetrics), preoperatively, on the immediate postoperative follow-up (2 days after surgery), and approximately 1 month after surgery. The mean nasalance values increased significantly one month after FESS whereas the immediate postoperative control (2 days after surgery) showed a decrease of nasalance. Although FESS is a minimally invasive procedure, it can change the acoustic characteristics of the vocal tract in the long term and produce a significant increase in nasality. The authors strongly recommend that clinicians inform all patients, in particular voice professionals, about the possible effects of endonasal sinus surgery on voice quality.
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Abstract
OBJECTIVE Our goal was to assess patient perception and acoustic characteristics of voice before and after upper airway surgery. STUDY DESIGN AND SETTING We conducted a prospective assessment of 44 surgical patients preoperatively and postoperatively at a tertiary care, academic hospital. Operations included septoplasty and turbinectomy (n = 28) and septoplasty, turbinectomy, uvulopalatopharyngoplasty, and tonsillectomy (n = 16). Patient opinion measures included Voice Handicap Index score, perception of vocal resonance, and change in voice. Acoustic measures included assessment of the relative amplitude of selected formants (resonances) of the vocal tract. RESULTS Mean Voice Handicap Index scores were unchanged after surgery. Nine patients (20%) perceived their voice to be improved after surgery. None perceived the voice to be worse. Postoperative changes in relative formant amplitudes were statistically significant. These changes caused the acoustic features to become more representative of normative data than the preoperative values. CONCLUSION Upper airway oeprations can affect acoustics and perception of voice. SIGNIFICANCE Patients are unlikely to perceive a change in voice as a result of upper airway surgeries, but in those cases where a difference is perceived, it is likely to be a positive change.
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45
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Abstract
Nasality is a disorder due to nasal resonance, which may be induced by a variety of etiologies. Transitional hypernasality is frequently seen in children after adenoidectomy. The alleged post-surgical hypernasality in the case presented was shown to be related to the late detection of an astrocytoma of the cerebellum and the brain stem in a 6-year-old boy. This case was characterized by increased hypernasality which failed speech therapy. A developing one-sided vocal fold palsy in combination with an ipsilateral soft-palate palsy indicated further investigation. Computerized tomography (CT) and magnetic resonance imaging (MRI) revealed a brain stem-tumor with a maximum size of 6 cm involving parts of the cerebellum. These findings demonstrated the need for a strict follow-up, even after adenoidectomy, in the presence of hypernasality for identifying concurrent etiologies as well as cases suitable for speech therapy.
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46
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Abstract
In order to gain further information on the characteristics and physiological correlates of tone decay in humans, the tone decay test was administered to 58 normal-hearing subjects, successively in the left and right ears and in absence and presence of a contralateral noise. The results revealed that tone decay was greater in the right than in the left ear and was increased by contralateral noise. The contralateral effect of this noise on cochlear biomechanisms was then estimated by measuring contralaterally induced variations in the amplitude of click-evoked otoacoustic emissions in the same subjects. In the right ear, the increase in tone decay and the decrease in otoacoustic emission amplitude--both induced by contralateral noise--were positively correlated (r = .315, p = .016). Furthermore, the contralateral changes in otoacoustic emission amplitude were found to be on average larger in the right than in the left ear, this asymmetry being correlated with that observed for the tone decay. These findings are discussed in relation to previous results on simple and induced loudness adaptation in the vicinity of threshold, on contralateral attenuation of otoacoustic emissions and on the influence of the auditory efferents on cochlear biomechanisms.
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