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Glottic Insufficiency
Objective Evaluation of Presbyphonia: Spectroacoustic Study on 142 Patients with Praat
Presbyphonia is the sequence of physiological events related to the process of senility of the vocal folds. The aim of our analysis was to provide deeper knowledge of presbyphonia, raising awareness of this condition as well as giving basic suggestions on how to treat related vocal alterations.Clinical Assessment of Glottal Insufficiency in Age-related Dysphonia
Incomplete glottal closure is one of the key clinical aspects of presbylarynx. The objective of the present study is to determine the diagnostic yield of several tests for the assessment of glottal competence in age-related dysphonia.Office-Based Injection Laryngoplasty for the Management of Unilateral Vocal Fold Paralysis
Office-based injection laryngoplasty (OBIL) is a common method of addressing glottal insufficiency. This retrospective chart review identifies the demongraphics, laterality, technique, success rate, injectates, and complications of OBIL performed over a 3-year period at a single institution.Managing Voice Impairment After Injection Laryngoplasty
To date, there is a paucity of literature on the management of suboptimal voice outcomes after injection laryngoplasty. We present three cases of worsened voice quality and impaired mucosal waveform propagation on videostroboscopy after calcium hydroxylapatite (CaHA) injection. The first was found to have superficial deposits of CaHA in Reinke's space. The second case appeared to have overaugmentation of the vocal folds. The third case had atrophic vocal folds, and despite having a deep CaHA injection (within the thyroarytenoid muscles), the injected vocal folds had diminished mucosal waveform amplitude, which was likely because of poor pulmonary function.Frame by Frame Analysis of Glottic Insufficiency Using Laryngovideostroboscopy
Glottic insufficiency (GI) can be either grossly obvious or subtle in its presentation. Subtle GI is demonstrated by various Laryngovideostroboscopic (LVS) clues, including complete but “short” phase closure of the true vocal folds (VFs) during the glottic cycle. We used the frame by frame analysis (FBFA) technique to evaluate its effectiveness in objectively contributing to the diagnosis of subtle GI in patients with atrophic and/or paretic VFs. This article intends to formally present the methods and intentions of the FBFA technique and report our findings using FBFA on subjects with clinically diagnosed GI and normal volunteers.Voice Disorders in the Elderly
Despite the prevalence of voice disorders, as well as the physiological and functional changes of the aging larynx, there is a lack of data analyzing dysphonia in the geriatric population. The goal of this study was to investigate dysphonia in this cohort.The Management of Postintubation Phonatory Insufficiency
Prolonged intubation may lead to medial arytenoid cartilage erosion and cricoarytenoid joint scarring with subsequent glottic insufficiency. This has been referred to as postintubation phonatory insufficiency (PIPI). Reports on treatment outcomes for this condition are lacking.Vocal Fold Bowing in Elderly Male Monozygotic Twins: A Case Study
This case study examined case histories, diagnostic features, and treatment response in two 79-year-old male monozygotic (identical) twins with vocal fold bowing, exploring both genetic and environmental factors. DNA concordance was examined via cheek swab. Case histories, videostroboscopy, auditory- and visual-perceptual assessment, electromyography, acoustic measures, and Voice Handicap ratings were undertaken. Both twins underwent surgical intervention and subsequent voice therapy. Monozygosity was confirmed for DNA polymorphisms, with 10 of 10 concordance for STR DNA markers.Injection Laryngoplasty With Hyaluronic Acid for Unilateral Vocal Cord Paralysis. Randomized Controlled Trial Comparing Two Different Particle Sizes
The objective was to determine if particle size affects durability of medialization in patients undergoing injection laryngoplasty (IL) with hyaluronic acid (HA) for unilateral vocal cord paralysis (UVCP). We hypothesized that large particle-size HA (LPHA) persists longer after injection to produce a more durable vocal result. The study design used was a prospective randomized controlled single-blind trial. Patients underwent IL with Restylane (small particle-size HA, SPHA) or Perlane (LPHA) (Q-Med AB, Uppsala, Sweden).Trial Vocal Fold Injection
Recent developments in temporary vocal fold (VF) augmentation materials and office-based laryngeal procedures have expanded the role of vocal fold injection (VFI). Although already performed in the laryngology community, trial VFI is yet to be defined in the literature. We sought to define trial VFI and to emphasize its concept and clinical utility through a review of our institution's experience. The study design was a retrospective review of our surgical database. All patients who received a temporary, deep VFI were identified.Acute and Subacute Awake Injection Laryngoplasty for Thoracic Surgery Patients
The rehabilitation of glottic incompetence by injection laryngoplasty is important in the management of thoracic surgery patients with vocal cord paralysis. This group of patients presents special considerations that favor injection under local anesthesia. The objective of this study is to characterize our experience with this minimally invasive approach in both the acute and subacute settings. The study was conducted using a retrospective chart review. From a database of 108 patients who received awake percutaneous injection laryngoplasty over a 3-year period, 15 cases were identified that underwent augmentation shortly following thoracic surgery.Vocal Fatigue: Current Knowledge and Future Directions
Summary: Vocal fatigue is a complex multifaceted clinical phenomenon. Several hypotheses exist concerning its underlying mechanism, and a range of empirical studies have examined its manifestation. This article reviews the literature pertaining to the nature, underlying processes, and salient features of vocal fatigue. First, vocal fatigue is defined, its major symptoms are discussed, and hypotheses concerning its primary physiological and biomechanical mechanisms are considered. Second, studies of experimentally induced vocal fatigue in humans are evaluated.Photoglottographic measures in parkinson's disease
This study examines the usefulness of photoglottographic measures in reflecting the phonatory effect of Parkinson's disease. In the first experiment, data obtained by photoglottography were compared between 15 male patients with Parkinson's disease and 15 normal male speakers of similar age. Six photoglottographic parameters, mean open quotient (OQ), mean speed quotient (SQ), perturbation of open quotient (POQ), perturbation of speed quotient (PSQ), frequency perturbation ratio (FPR), and amplitude perturbation ratio (APR), in sustained vowel phonation were investigated.
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