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Results for “Speech Reception Threshold Test”

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PubMed1990

Middle fossa decompression of the internal auditory canal in acoustic neuroma surgery: a therapeutic alternative.

Unilateral acoustic neuromas in only-hearing ears and bilateral acoustic neuromas (NF-2) are separate entities, but both pose a common problem because surgical removal has the potential to leave the patient totally deafened. A middle fossa decompression of the internal auditory canal (IAC) was performed in 8 patients (5 with NF-2 tumors and 3 with neuromas in an only-hearing ear). In 5 of the 8, the speech discrimination scores at the 6-month follow-up were better than preoperative scores. After 6 months, however, hearing regressed at variable rates. Although not a definitive therapeutic treatment, decompression of the IAC appears to improve and perhaps prolong useful hearing, which gains valuable time for rehabilitation. Rigid follow-up by computed tomography scans or magnetic resonance imaging is essential.

Adult↗
PubMed1990

Stapedotomy technique and results: ten years' experience and comparative study with stapedectomy.

Fifty of the 810 patients who underwent stapedotomy for otosclerosis from 1969 through 1988 were randomly chosen for follow-up of at least 5 years. Most of the patients (65%) had follow-up of 10 years after stapedotomy, but another 50 patients who underwent stapedectomy had follow-ups of longer than 10 years. In 50 patients, stapedectomy under local anesthesia was performed by removal of the footplate of the stapes, using an endaural incision, and covering the oval window with Gelfoam. In the other 50 patients, stapedotomy was performed under general anesthesia, using an endopreauricular incision, making a small hole in the footplate, and covering the hole only with blood from the surgical area. Although both groups showed improvement in hearing after the operation, the air-bone gap in the stapedotomy group was significantly better than that in the stapedectomy group. The use of the endopreauricular incision under general anesthesia was preferable to endaural incision under local anesthesia because the operative field was wider, more convenient for the surgeon, and conducive to patient safety. There were no significant complications in either group.

Adult↗
PubMedDate not supplied

The relationships between self-reported hearing disability and measures of auditory disability.

Although required for many practical purposes, adequate measures of hearing disability are not yet available. In an attempt to identify a set of performance tests for predicting hearing disability in daily life the relationship between self-reported disability scores and measures of auditory disability was examined. The Amsterdam Inventory was completed by 51 respondents aged 30 to 70 years who also performed on various tests. Earlier factor analysis of the inventory scores resulted in the distinction of five aspects of auditory disability. Stepwise multiple regression analysis in the present study shows that the tests describe and differentiate quite well between these five aspects. Multiple correlation coefficients range from R = 0.60 to R = 0.74.

Adult↗
PubMed1978

Evaluation of hearing aid fitting based on the patients' experiences from everyday listening conditions.

We found that a relationship existed between degree of sensorineural hearing loss and discrimination score obtained in free field with convenient hearing aids against background noise. However, the standard deviation was so great that we could not elaborate a diagram from which, with any reasonable degree of accuracy the expected discrimination score with suitable hearing aids could be predicted for each individual patient. Then 20 patients with sensorineural hearing losses tried different hearing aids under everyday listening conditions, and simplified speech audiometry against background noise was performed. We found that none of the patients achieved better discrimination scores with aids they rejected under everyday listening conditions than with aids they preferred. This indicates that we need to pay attention to the patient's experience with hearing aids under everyday listening conditions in each individual case, when a hearing aid is to be selected.

Adult↗
PubMed1993

Lip-reading the BKB sentence lists: corrections for list and practice effects.

Two groups of 21 adult subjects with normal hearing viewed the video recordings of the Bamford-Kowal-Bench standard sentence lists issued by the EPI Group in 1986. Each subject viewed all of the 21 lists and attempted to write down the words contained in each sentence. One group lip-read the lists with no sound (the LR:alone condition). The other group also heard a sequence of acoustic pulses which were synchronized to the moments when the talker's vocal folds closed (the LR&Lx condition). Performance was assessed both by loose (KW(L)) and by tight (KW(T)) keyword scoring methods. Both scoring methods produced the same pattern of results: performance was better in the LR&Lx condition; performance in both conditions improved linearly with the logarithm of the list presentation order number; subjects who produced higher overall scores also improved more with experience of the lists. The data were described well by a logistic regression model which provided a formula which can be used to compensate for practice effects and for differences in difficulty between lists. Two simpler, but less accurate, methods for compensating for variation in inter-list difficulty are also described. A figure is provided which can be used to assess the significance of the difference between a pair of scores obtained from a single subject in any pair of presentation conditions.

Adolescent↗
PubMed1992

Cochlear implants in the management of bilateral acoustic neuromas.

Multichannel cochlear implants currently provide the only modality for successful auditory rehabilitation of patients with bilateral profound sensorineural hearing loss who derive no benefit from amplification. We have developed a protocol for patients with neurofibromatosis and bilateral acoustic neuromas in which every effort is made to preserve hearing in at least one ear. Failing that, the cochlear nerve is spared, potentially allowing for the insertion of a cochlear implant. We present our data on one such patient whose auditory function was restored with a Nucleus mini 22-channel cochlear implant following removal of his acoustic neuroma.

Adult↗
PubMed1989

[Rehabilitation in esophageal speech and its perceptive-acoustic features after total laryngectomy without pharyngo-esophageal plastic surgery].

The experiences with the plastic surgery of pharyngo-oesophageal sphincter during the laryngectomy were presented. The sphincteric forces were studied accordingly to the rehabilitation successes and also the acoustic and perceptive data of the oesophageal speech. The results were compared with these after the classical laryngestomy. It was pointed out that the sphincteroplasty lowered its tension and made the rehabilitation more easier. The oesophageal voice produced in this occasion is better than after the classical laryngectomy. The fundamental frequency is two times higher, the prosody and speech tempo more normal. These positive results were encountered in 76% of cases. However, in some cases the psychological and social difficulties were so great that we preferred the surgical rehabilitation with shunt formation.

Adult↗
PubMed1978

Speech reception by the hearing-impaired: methods of testing and the development of new tests.

The development of tests for measuring speech reception in the hearing impaired is reviewed. The rationale for a new closed-response-set nonsensesyllable test is presented followed by a description of the test. Preliminary normative and comparative data for this Nonsense Syllable Test are reported. Current work on the development of related tests for young, profoundly deaf children, and measuring reception of the prosodic features of speech is also described.

Audiometry, Speech↗
PubMed1988

[Diagnosis of central hearing disorders in childhood].

As a contribution to the diagnosis of central auditory disorders in children we developed a series of tests providing a basis for the analysis of auditory perception dysfunctions, offering a detailed description of their symptomatology and thus furnishing a basis for carefully directed measures of treatment. Evaluation criteria necessary for the analysis of tests featuring artificially altered language (band-pass-filtered speech, time-compressed speech, tests with background noise or dichotic speech) are described together with findings obtained from previous investigations. The test series further includes objective audiometric methods and additional tests for the evaluation of auditory perception performance (e.g. phoneme discrimination).

Audiometry↗
PubMed1985

Part- vs full-list performance on the NST by normal-hearing and hearing-impaired adults.

Performance-Level functions were determined for part- and full-list Edgerton and Danhauer (1979) Nonsense Syllable Test (NST) mean scores of 15 normal-hearing (NH) and 15 mild-to-moderately hearing-impaired (HI) Ss. In the first part-list procedure S received 5 different items from the 25-item NST List A at each ascending SL (25, 35, 45, 55, and 65 db re: S's better-ear SRT), while in the second, full-list, procedure S received the full 25 items. As previous studies had shown, the NST could be used to distinguish the NH and HI groups. The P-L functions were not significantly different for the part- vs the full-list procedures except at the 35 and 55 db SLs in which the part-list scores tended to overestimate those from the full list for both groups, to a maximum difference in percent correct of about 7%. Clinical implications are presented.

Adult↗
PubMed1985

Children's performance on multidimensionally scored time-compressed sentential stimuli.

Normative data were obtained for 96 children with normal auditory and language abilities in grades 2, 4, and 6 when presented monaurally with time-compressed (TC) sentences and 1st- and 2nd-order sentential approximations at 32 db re SRT. Oral responses were taped and multidimensionally scored in order to sensitize the test. Consistent with previous reports of normative data at other age levels, performance became poorer for 0 to either 40 or 60% TC (there was a negligible difference between the latter), was better for normal sentences than for sentential approximations, and improved slightly in the higher grades.

Auditory Perceptual Disorders↗
PubMed1986

[Suitability of speech audiometry study procedures for current demands in clinical and general practice].

The quality of the recorded audiometric test material (the "Freiburg" and "Marburg" language test) meets the High Fidelity standards of the 1960's. In the light of current technology (digital technique, compact disc, etc.), the question arises whether speech-audiometry can still contribute to diagnosis, medico-legal assessment and fitting of hearing aids. Results of the "Freiburg" language test are presented, which analyse the comparability of the individual groups in quiet and in noisy surroundings, the technical and technological aspects of the sound systems, orthophonic reproduction and the practical performance of audiometric speech tests. Finally, recommendations of the commission for speech-audiometry and hearing aids of the ADANO are presented and discussed. These may explain present and future demands and possibilities of a broad-band audiometric investigation spectrum in hospital and practice.

Audiometry, Pure-Tone↗
PubMed1995

Electromagnetic ossicular augmentation device.

Conventional hearing aids have a number of limitations inherent to amplifying sound in the narrow confines of the external auditory canal. Disadvantages include acoustic feedback, poor fidelity, and the stigmata of aging. Since 1986, Michigan Ear Institute and Smith and Nephew Richards Company have been investigating the feasibility of a new device that converts sound to an electromagnetic field. The efficacy and safety of electromagnetic-induced hearing was sufficient enough to have the Federal Food and Drug Administration approve a pilot study of ten patients with a sensorineural hearing loss in whom a target magnet is implanted beneath the tympanic membrane. A status report of this study and a review of our preceeding investigations are presented in this article.

Audiometry, Pure-Tone↗
PubMed1994

The Nobelpharma auditory system bone-anchored hearing aid: the Edmonton experience.

The unique ability of titanium to osseointegrate has been utilized in clinical practice for bone-anchored hearing aids in Sweden since 1977. The percutaneous design by Nobelpharma has been shown to be useful not only for pure conductive hearing loss but also mixed losses with a bone pure tone average of 45 dB (60 dB with the HC220). We examine our experience, since May 1991, with 15 patients aged 8 to 73 years, including indications, complications, and both objective and subjective results. In addition, we have found the second stage can be successfully completed during the initial anesthetic without the usual delay of 3 months for many patients. We believe the technique for osseointegration is a suitable addition to the armamentarium for the otolaryngologist against hearing loss.

Adolescent↗