Objective: To compare functional hearing preservation (HP) with a slim perimodiolar array (SPA) and a slim lateral wall array (SLW) in cochlear implantation (CI). Study Design: Retrospective chart review. Setting: Tertiary referral center. Patients: All adult, post-lingual CI recipients with serviceable preoperative hearing serially implanted with SPA or SLW electrodes from July 2015 through July 2018. Interventions: Cochlear implantation. Main Outcome Measures: Hearing preservation (HP). Patients with a low frequency pure-tone average (LFPTA) (125, 250, 500 Hz) threshold less than 80 dB were considered HP candidates based on preoperative audiograms. Postoperative audiograms were obtained before activation. Successful HP was defined as retention of LFPTA less than 80 dB. The change in LFPTA (ΔLFPTA) was also calculated. Results: One hundred twenty one patients were implanted with either the SPA or SLW electrodes, 82 (42,40) of whom were HP candidates with postoperative audiograms. Average (standard deviation, SD) preoperative LFPTA was 54.86 [19.38] and 54.38 [13.58] dB for SLW and SPA respectively, with a mean ΔLFPTA of 24.6 [15.94] and 24.92 [16.66] dB. Successful HP was achieved in 21 (50%) and 22 (55%). Preoperative LFTPA, ΔLFPTA, and postoperative LFPTA were not significantly different (p = 0.89, 0.75, 0.93) between electrodes. Conclusions: The SPA is as effective at immediate functional HP after CI as a SLW.
Objectives/Hypothesis: Respiratory laryngeal dystonia (RLD) is poorly understood and rarely reported in the literature. Patients have atypical laryngeal movement resulting in airway obstruction. This motion is neurogenic in nature, is constant while awake, nonepisodic, and non-trigger dependent. Given its rarity, it is often misdiagnosed for inducible laryngeal obstruction; however, it is refractory to medical and behavioral management. Although this condition has been addressed in the literature, this report is the largest case series characterizing presenting symptomology, multimodal treatment outcomes, and longitudinal course of these patients, and proposes a set of diagnostic criteria to aid in clinical identification of RLD patients. Our objectives were to characterize RLD clinically and offer diagnostic guidelines to clinicians. Study Design: A prospective case series with a retrospective analysis at a tertiary referral center. Methods: A review of clinical records and videostroboscopic analysis of 16 patients treated for respiratory laryngeal dystonia from October 2005 to October 2018 was performed. Results: Sixteen patients with respiratory laryngeal dystonia were included. The common features of this group were persistent, nonepisodic dyspnea and stridor with laryngoscopic evidence of paradoxical vocal fold motion. Our patients had no structural neurologic abnormalities. These patients typically failed respiratory retraining therapy and medical management of laryngeal irritants. In our series, 100% of patients underwent respiratory retraining therapy, 68.8% received laryngeal botulinum toxin injection, and 31.3% required tracheostomy. Conclusions: RLD is a rare and challenging condition. The disorder can be severely disabling, and treatment options appear limited. A multidisciplinary approach may be helpful. Some patients responded to laryngeal botulinum injection and medical management, whereas others required tracheostomy for symptom control.
Objectives/Hypothesis Vocal tremor is a neurologic disorder that can be treated with laryngeal botulinum toxin injections (LBTX). We sought to describe our experience with thyroarytenoid and concurrent strap muscle injection. Study Design Retrospective chart review. Methods A chart review was performed of all patients with a primary diagnosis of vocal tremor treated with LBTX from 2012 through 2017. Results Twenty‐one patients were included (mean age 69 years, 100% female). Thirteen patients (62%) had a minor component of spasmodic dysphonia in addition to their tremor. Fourteen patients had vertical and horizontal components to their tremor, and two had horizontal tremor alone. The remaining five patients did not have clear characterization of their tremor. A total of 49 injections were reviewed (25 thyroarytenoid [TA], 24 thyroarytenoid and strap muscle [TA+S]), and patients reported subjective voice benefit with 48 (96%) of these (92% TA, 100% TA+S). When available, the postprocedural change from baseline Voice Handicap Index‐10 and Consensus Auditory Perceptual Evaluation of Voice scores were calculated (mean overall: −1.9, −7.8; TA: −2.7, −3.5; TA+S: −1.4, −10.3, respectively). Subjective patient improvement ratings (scale 0%–100%) were obtained for 46 injections, with a mean of 70% improvement per injection. Of patients with both horizontal and vertical tremor, outcomes were improved with TA+S injection versus TA alone (mean improvement 74% vs. 35%, P < .005). Conclusions There is utility in the characterization of vertical and horizontal components of vocal tremor. Patients with both appear to have increased benefit with injection of strap muscles in addition to thyroarytenoid muscles. Level of Evidence 4 Laryngoscope, 129:1433–1437, 2019
Organized in 1890 to encourage the teaching of speech, speechreading and the use of residual hearing to people who are deaf or hard of hearing, the Alexander Graham Bell Association for the Deaf and Hard of Hearing (AG Bell) welcomes to its membership all who are interested in improving educational, professional and vocational opportunities for people who are deaf or hard of hearing.
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