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Strategies for Inhibition of Biofilm Formation on Silicone Rubber Voice Prostheses: A Systematic Review.

BACKGROUND: Lifetime elongation of the silicone voice rubber prostheses by inhibition of biofilm formation is a primary objective in voice restoration of laryngectomized patients. This systematic review sought to explore the existing strategies in this direction. MATERIALS: We conducted a systematic search of both in vitro and in vivo literature published in PubMed, Scopus, and Cochrane Central Register of Controlled Trials, until December 31, 2022, for published and unpublished trials assessing the strategies for inhibiting biofilm formation on silicone rubber voice prostheses, and appraised

Retrospective study of 116 patients with non-organic voice disorders: efficacy of mental imagery and laryngeal shaking.

OBJECTIVE: To report the short- and long-term results of two techniques (mental imagery and manual shaking of the larynx) in patients with non-organic dysphonia or aphonia. DESIGN: Retrospective review of patient records, plus follow-up survey (questionnaire). SETTING: Academic teaching hospital. PATIENTS: One hundred and sixteen patients with moderate to severe non-organic dysphonia or aphonia. OUTCOME: Cure (i.e. normal voice) and improved voice quality, judged by clinicians and patients. RESULTS: One hundred (86 per cent) of the 116 patients were cured. Ninety-four (81 per cent) patien…

[Morphology of the glottis after supracricoid laryngectomy with CHP or CHEP and restoration of basic laryngeal function with special attention to quality of phonation].

PURPOSE: The aim of this work was to describe the morphology of the reconstructed larynx after supracricoid horizontal laryngectomy with simultaneous cricohyopexy (CHP) or cricohyoepiglottopexy (CEHP) preserving one or both arytenoid cartilages, to study the protective and respiratory functions of the larynx, to perform phoniatric evaluation of phonation quality, to analyze voice and speech phonetic-acoustic parameters, and to search for correlations between reconstruction type and phonetic-acoustic characteristics of voice and speech. MATERIAL AND METHODS: The material comprised 58 patients

[Effect of the extents of surgical resection in total laryngectomy on esophageal voice and speech rehabilitation].

The study of functional results of total laryngectomy cannot be separated from articulation of esophageal voice and speech. To achieve success of phoniatric rehabilitation in laringectomized patients, it is necessary to be well aware of pathological sequelae of the very operation, long-term adverse effect of oncological risk factors as well as postoperative anatomo-physiological changes. Anatomic results of total laryngectomy depend on the type of surgical intervention and probable radiotherapy. The extent of surgical procedure, primary dictated by oncological indications, has the essential ef

Comparison of the immediate effect of voiced oral high-frequency oscillation and flow phonation with resonance tube in vocally-healthy elderly women.

PURPOSE: To verify and compare the immediate effects of the voiced oral high-frequency oscillation (VOHFO) technique and the phonation into a silicone resonance tube in the elderly self-perception of vocal and laryngeal symptoms and in their voice quality. METHODS: 14 elderly women, over 60 years old, performed the VOHFO and phonation into a resonance tube technique (35cm in length and 9mm in diameter) with one-week interval between both to avoid carry-over effect. Initially, all participants answered questions regarding the frequency and intensity of their vocal/laryngeal symptoms. Recording…

Acoustic features from speech as markers of depressive and manic symptoms in bipolar disorder: A prospective study.

INTRODUCTION: Voice features could be a sensitive marker of affective state in bipolar disorder (BD). Smartphone apps offer an excellent opportunity to collect voice data in the natural setting and become a useful tool in phase prediction in BD. AIMS OF THE STUDY: We investigate the relations between the symptoms of BD, evaluated by psychiatrists, and patients' voice characteristics. A smartphone app extracted acoustic parameters from the daily phone calls of n = 51 patients. We show how the prosodic, spectral, and voice quality features correlate with clinically assessed affective states and…

Prospective Teacher's Voice Questionnaire (PTVQ): Development of a Questionnaire to Assess Training-Related Voice Symptoms Among Prospective Teachers.

AIM: To develop and validate a self-administered population-specific survey, available in Spanish, Portuguese, and English, which investigat … back from the pilot participants. The third stage includes the restructuring of the questionnaire's voice quality section to eliminate redundant questions. Through Principal Component Analysis, multicollinear variables were condensed, facilitating the removal of redundant items, and ensuring that the final questionnaire comprised only the most relevant and disc …

Vocal quality 10 years after radiotherapy for early glottic cancer.

The voices of 12 patients who had been treated by radiotherapy for Stage I squamous carcinoma of the glottis at least 10 years previously, and who had shown no signs of recurrent disease, were assessed. A speech therapist detected significant abnormalities in all patients, but these did not detract from the overall high satisfaction of the patients with their voice quality.

Conventional Versus Telepractice Delivery of Eclectic Voice Therapy in Hyperfunctional Voice Disorders: An Efficacy Study.

OBJECTIVES: Literature supports the use of eclectic voice therapy in the treatment of Hyperfunctional Voice Disorders (HFVD). Nevertheless, … pre and post therapy. Consensus Auditory Perceptual Evaluation of Voice (CAPE-V) Kannada, Acoustic Voice Quality Index (AVQI), Voice Handicap Index in Kannada (VHI-K), and Vocal Fatigue Index in Kannada (VFI-K) were obtained at pre therapy, post therapy, and 2 follow-ups. RESULTS: Stroboscopy revealed notable improvement, and CAPE-V, AVQI, VHI, and VFI decrea …

Optimizing Botox regimens in patients with adductor spasmodic dysphonia and essential tremor of voice: A 31-year experience.

OBJECTIVE: The purpose of this study was to quantitatively compare the effectiveness of unilateral and bilateral botulinum toxin A (BTX-A) injections for mitigating undesirable weak/breathy voice quality and dysphagia for patients with adductor spasmodic dysphonia and/or essential tremor of voice (ETV). METHODS: Data were collected from the medical records of 319 patients, yielding three treatment cohorts: patients who received an equal dose bilateral injection regimen (BL=) throughout their course of treatment at VUMC, patients who switched to a unilateral injection regimen (UL), and patient…

Cost-effectiveness analysis of voice rehabilitation for patients with laryngeal cancer: a randomized controlled study.

IntroductionVoice problems are common following radiotherapy for laryngeal cancer. Few studies exist covering the effect of voice rehabilitation, and no previous studies exist regarding the cost of said rehabilitation. This randomized controlled study aimed to analyze the cost-effectiveness of voice rehabilitation after radiotherapy for patients with laryngeal cancer.Material and methodsA total of 66 patients with laryngeal cancer with follow-up data 12 months post-radiotherapy were included. Patients were randomized into receiving either voice rehabilitation (n = 32) or no voice rehabilitatio

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… Voice rehabilitation improved health related quality of life, communicative function, and prevented the deterioration of voice quality over time, effects that remain 12 months post-radiotherapy. … Voice quality after radiation therapy for early glottic cancer. Arch Otolaryngol Head Neck Surg. 2000;126(9):1097–1100. doi: 10.1001/archotol.126.9.1097. 7. Rinkel RN, Verdonck-de Leeuw IM, van Reij EJ, et al. …

The Effect of SPEAK OUT! and The LOUD Crowd on Dysarthria Due to Parkinson's Disease.

Purpose SPEAK OUT! and The LOUD Crowd is a standardized speech therapy program of 12 individual treatments combined with ongoing weekly grou … osody measures of standard deviation of intensity and frequency from reading and monologue, and the voice quality measure of cepstral peak prominence from reading. Patient perception of voice was also assessed with the Voice-Related Quality of Life. Results Posttherapy, mean intensity was greater and variation of frequency was larger in reading and monologue, w …

Distinct Disease and Functional Characteristics of Thyroid Surgery-Related Vocal Fold Palsy.

BACKGROUND: Iatrogenic trauma induced by thyroid surgery is the most common etiology of unilateral vocal fold paralysis (UVFP). UVFP after thyroid surgery may lead to profound physical and psychosocial distress. This study comprehensively evaluated UVFP caused by thyroid surgery, and compared the results with those caused by other surgical trauma. METHODS: Patients with surgery-related UVFP were evaluated using quantitative laryngeal electromyography, videolaryngostroboscopy, voice acoustic analysis, the Voice Outcome Survey, and the Short Form-36 Health Survey quality-of-life questionnaire.

What about the "actor's formant" in actresses' voices?

Spectrographic analysis of male actors' voices showed a cluster, the "actor's formant" (AF), which is related to the perception of good and projected voice quality. To date, similar phenomena have not been described in the voices of actresses. Therefore, the objective of the current investigation was to compare actresses' and nonactresses' voices through acoustic analysis to verify the existence of the "AF" cluster or the strategies used to produce the performing voice. Thirty actresses and 30 nonactresses volunteered as subjects in the present study. All subjects read a 40-second text at both…

Clinical characteristics and voice analysis of patients with mutational dysphonia: clinical significance of diplophonia and closed quotients.

The aim of this study was to investigate the acoustic and electroglottographic characteristics of patients with mutational dysphonia before and after voice therapy. The clinical records of 15 patients with mutational dysphonia were reviewed, and their voice recordings were analyzed with the help of the Lx Speech Studio program (Laryngograph Ltd, London, UK). After voice therapy combined with the manual compression method, the subjects' voices lowered in pitch and improved in quality. In addition, we classified the mutational dysphonia into four categories according to the presence of diplophon

Low-Frequency TENS in Women With Behavioral Dysphonia: Preliminary Data From a Randomized Clinical Trial.

PURPOSE: To verify the effectiveness of low-frequency transcutaneous electrical nerve stimulation (TENS) simultaneously applied to the performance of vocal exercises in women with behavioral dysphonia. METHODS: This is a randomized, blinded clinical trial (Register Number: RBR-5k95vs). Twelve adult women with vocal nodules, randomly divided into three groups (G1: 4 participants - 12 sessions - application of placebo TENS simultaneously to the execution of vocal exercises; G2: 5 participants - 12 sessions - application of low-frequency TENS (frequency at 10 Hz, 200 μs duration phase, motor thr

Terminated Clinical Trial of TruVox: A Web-Based Intervention to Train Vocal Pitch and Resonance in Transfeminine People.

Transgender people often want to modify their voice to better match their gender identity and expression. Gender-affirming voice training can significantly improve their voice satisfaction, mental health, and quality of life, but is often inaccessible. In an NIDCD-funded grant, we therefore developed a novel website (TruVox) that is currently intended for transfeminine people and combines visual-acoustic biofeedback about vocal pitch and resonance with structured exercises. A clinical trial of TruVox was initiated but terminated by NIDCD before completion, and the current paper describes the m

A Cross-sectional Study of Perceptual and Acoustic Voice Characteristics in Healthy Aging.

PURPOSE: The human voice qualitatively changes across the lifespan. Although some of these vocal changes may be pathologic, other changes li … urther explored potential relationships between these acoustic features and clinical assessments of voice quality using the Consensus Auditory-Perceptual Evaluation of Voice. RESULTS: Chronological age was significantly predicted by greater voice turbulence, variability of cepstral fundamental frequency, low relative to high spectral energy, and cepstral inten …

Transcultural Adaptation and Validation of the Korean Version of the Vocal Tract Discomfort Scale.

OBJECTIVES: The present study translated the Vocal Tract Discomfort Scale (VTDS) into Korean (K-VTDS) and evaluated its reliability and validity. STUDY DESIGN: This was a prospective study. METHODS: The VTDS was first translated into Korean and validated. One hundred and fifty-nine patients with voice disorders were divided into three different diagnostic groups (functional, structural, and neurologic voice disorder) and 131 vocally healthy adults were also included. All participants completed the K-VTDS and the Korean version of the Voice Handicap Index (K-VHI) and Korean versions of the Vo

Optimizing voice after endoscopic partial laryngectomy.

Phonosurgical management of early and midsized glottic cancer has evolved considerably during the past decade. There has been a partial migration from transcervical to transoral partial laryngectomy to diminish perioperative morbidity (ie, tracheotomy) and to facilitate subsequent voice restoration. After an endoscopic partial laryngectomy heals, a medialization of the glottal neocord should be done. An endolaryngeal injection or transcervical medialization is used to reconstruct the glottal valve and the associated aerodynamic competency, which ultimately enhance voice quality. These reconstr…