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Bilateral Vocal Fold Immobility Disorders
Sarcoidosis Presenting as Bilateral Vocal Fold Immobility
Bilateral true vocal fold paralysis is rarely attributable to inflammatory diseases. Sarcoidosis is a rare but important etiology of bilateral true vocal fold paralysis by compressive lymphadenopathy, granulomatous infiltration, and neural involvement. We describe the first reported case of sarcoidosis presenting as bilateral vocal fold immobility caused by direct fixation by granulomatous infiltration severe enough to necessitate tracheostomy insertion. In addition, we discuss the presentation, the pathophysiology, and the treatment of this disease with a review of the literature of previously reported cases of sarcoidosis-related vocal fold immobility.Transcricothyroid Endoscopic Subglottic Surgery for Posterior Glottic Stenosis: A Case Report
Posterior glottic stenosis (PGS) is a rare but life-threatening condition mostly caused by damage to the interarytenoid mucosa by an endotracheal tube. In surgical treatment of PGS, airway patency is prioritized, and the laryngeal functions involved in swallowing and phonation are considerably sacrificed. In the majority of cases, lateralization of a vocal fold or partial excision of a vocal fold and arytenoid cartilage results in glottal closure insufficiency and deterioration of phonatory function.Evaluation of Vocal Fold Motion Abnormalities: Are We All Seeing the Same Thing?
Flexible laryngoscopy is the principle tool for the evaluation of vocal fold motion. As of yet, no consistent, unified outcome metric has been developed for vocal fold paralysis/immobility research. The goal of this study was to evaluate vocal fold motion assessment (inter- and intra-rater reliability) among general otolaryngologists and fellowship-trained laryngologists.Acromegaly Presenting With Bilateral Vocal Fold Immobility: Case Report and Review of the Literature
To present a case of bilateral vocal fold immobility (BVCI) in a patient with acromegaly and review the current literature describing this presentation.Magnetic Control of the Glottic Opening in an Ex Vivo Sheep Larynx Model: A Preliminary Study
So far, a number of techniques have been described for the treatment of bilateral vocal fold paralysis. These techniques were reported to be successful in maintaining an adequate airway but also found to be associated with an increased risk of aspiration, dysphonia, and granulation tissue formation at the operation site. We aimed to investigate the effectiveness of a novel mucosa-sparing technique based on the generation of a magnetic field within the larynx for the tailored lateralization of the ipsilateral vocal fold.Cricothyroid Muscle Botulinum Toxin Injection to Improve Airway for Bilateral Recurrent Laryngeal Nerve Paralysis, A Case Series
Bilateral vocal fold paralysis most commonly results from iatrogenic trauma to the recurrent laryngeal nerve during surgical procedures in the anterior neck. Patients may require tracheostomy because of acute or gradual onset of dyspnea and airway compromise. The intralaryngeal injection of Botox has been considered as a possible therapy for these airway symptoms of bilateral vocal fold paralysis. Chronic unopposed activity of intact cricothyroid muscles could potentially result in gradual medialization of the vocal folds in patients with bilateral recurrent laryngeal nerve paralysis.The Evolution of Laryngeal Reinnervation, the Current State of Science and Thoughts for Future Treatments
The treatment of unilateral vocal fold palsy (UVFP) or bilateral vocal fold palsy (BVFP) has been the subject of debate and experiment for 150 years. To date, dozens of different surgical methods have been described to reinnervate this most complex of organs, the larynx. As yet, there is no consensus on the most functionally effective method of reinnervation. However, it is a rapidly expanding area of research and remains an area of controversy. Indications for reinnervation for both UVFP and BVFP are still evolving and our understanding of the neuromuscular supply to the larynx continues to expand.Suture Lateralization in Patients With Bilateral Vocal Fold Paralysis
To introduce a simplified suture lateralization (SL) technique to treat patients with bilateral vocal fold paralysis (BVFP).Laryngeal Chondrosarcoma of the Arytenoid Cartilage Presenting as Bilateral Vocal Fold Immobility: A Case Report and Literature Review
To describe an atypical case of laryngeal chondrosarcoma of arytenoid cartilage presenting as bilateral vocal fold immobility and to avoid potential missed diagnosis.Multiparametric Analysis of Vocal Fold Vibrations in Healthy and Disordered Voices in High-Speed Imaging
The aim of this study was to look for visual subjective and objective parameters of vocal fold dynamics being capable of differentiating healthy from pathologic voices in daily clinical practice applying endoscopic high-speed digital imaging (HSI).Sarcoidosis Presenting as Bilateral Vocal Cord Paralysis From Bilateral Compression of the Recurrent Laryngeal Nerves From Thoracic Adenopathy
Bilateral true vocal fold paralysis is rarely attributable to inflammatory diseases. We describe what appears to be the first case in the medical literature of sarcoidosis presenting as isolated, bilateral true vocal cord paralysis resulting from compressive bilateral mediastinal adenopathy. The presenting symptoms, clinical outcome, radiographs and laryngeal findings are discussed in detail. Sarcoidosis should therefore be added to the differential diagnosis of bilateral vocal fold paralysis.A Case of Creutzfeldt-Jacob Disease with Bilateral Vocal Fold Abductor Paralysis
Bilateral vocal fold abductor paralysis was seen in a patient with Creutzfeldt-Jacob disease. After tracheotomy, the patient showed disappearance of reduced oxygen saturation with high-pitched inspiratory stridor and pulling phenomenon of the supraclavicular region and larynx. Electromyographic examinations of the intrinsic laryngeal muscles, including the thyroarytenoid and posterior cricoarytenoid muscles, demonstrated that there was no apparent action potential in those muscles during spontaneous respiratory movements, and there was no abnormal potential for those muscles at rest.Bilateral vocal fold paralysis: an unsual treatment with botulinum toxin
We presented a patient with bilateral vocal fold paralysis treated with intralaryngeal Botox injection to improve the glottal airway. The use of Botox in this manner has not been previously reported and highlights the value and role of intralaryngeal Botox in changing the configuration of the glottis. The concept and various approaches for using Botox to alter pathologic vocal fold position is reviewed and discussed.Electrophysiologic monitoring of the recurrent laryngeal nerves may not predict bilateral vocal fold immobility after thyroid surgery
Two cases of bilateral vocal fold immobility (VFI) after identification and preservation of the recurrent laryngeal nerves (RLNs) required tracheotomy until vocal fold recovery. The first patient underwent thyroid surgery without preoperative or postoperative evaluation of the vocal folds, administration of postoperative intravenous steroids, or electrophysiologic monitoring of the RLNs, whereas the second patient underwent a thyroid procedure in which all of the aforementioned were executed. Preoperative and postoperative clinical evaluation of the RLNs is strongly suggested in patients undergoing thyroid surgery, especially revision surgery.Inspiratory pressure threshold training for upper airway limitation: a case of bilateral abductor vocal fold paralysis
Summary: A single subject design was used to determine if pressure threshold training strengthens the inspiratory muscles in a subject with a limited glottal airway as well as diminish dyspnea and improve parameters of speech. The subject was a 19-year-old woman whose glottal airway was limited due to bilateral abductor vocal fold paralysis following a thyroidectomy. A 5-week inspiratory muscle strength-training program was implemented using a pressure-threshold trainer to strengthen the inspiratory muscles with the intent of enabling the generation of higher inspiratory pressures.Sarcoidosis Presenting as Bilateral Vocal Fold Paralysis
Summary: Sarcoidosis with cranial polyneuritis and mediastinal granulomatous compression as a cause of unilateral left vocal fold paralysis has been reported infrequently. No case of sarcoidosis causing bilateral vocal fold paralysis in the abducted position has been reported in the Otolaryngology/Voice literature. Vocal fold function can be impacted in sarcoidosis by direct laryngeal involvement or by neural pathways. In the patient described in this case, sarcoid cranial polyneuritis coupled with bilateral paratracheal and mediastinal adenopathy resulted in bilateral vocal fold paralysis.The Evolving Etiology of Bilateral Vocal Fold Immobility
Summary: In the past, bilateral vocal fold immobility (BVFI) occurred most commonly after thyroidectomy. However, no large series documenting the etiology of adult BVFI has been published within the past fifteen years. This study reviews the etiologic patterns of BVFI at our institutions. We compare BVFI from before and after 1980. We also review combined studies of unilateral vocal fold immobility (UVFI) to compare and unilateral versus bilateral etiologic trends. In comparison with previously published series, fewer cases of BVFI present today as a complication of thyroid surgery and more as the result of malignancies and nonsurgical trauma.Posterior cordectomy and subtotal arytenoidectomy for the treatment of bilateral vocal fold immobility: Functional results
We report vocal and respiratory results following endoscopic CO2 laser therapy for bilateral vocal fold immobility in adduction. Two techniques were used: posterior cordectomy (PC) and subtotal arytenoidectomy (SA). Respiratory improvement was demonstrated by the peak expiratory flow/peak inspiratory flow ratio (PEF/PIF, normal = 1), which was less than 2 for 83% of patients following PC and for 81% following SA. As for vocal results, there were no significant quantitative differences between the two techniques.
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