The Speech, Spatial and Qualities of Hearing Scale (SSQ) is applied worldwide as a highly reliable tool for the characteristic of the quality of life and subjective sensations of the patients presenting with hearing impairment as well as for the estimation of the efficiency of hearing aids. The objective of the present study was to validate and adapt the Russian language version of the SSQ questionnaire (SSQrus) for its application in the audiological practice under conditions of this country. After the cultural and language adaptation of SSQrus, it was validated by means of repeat interviewing of three groups of the respondents (a total of 93 subjects with normal, moderately and severely impaired hearing). The results of the validation give evidence of the high reliability of the modified questionnaire. Specifically, high reproducibility of the data estimated from the results of the second interview has been demonstrated (r=0.85--0.99). High sensitivity of SSQruswas confirmed by the agreement between the results of the estimation (in scores) and the degree of the observed loss of hearing. The estimates obtained by the application of the SSQrus questionnaire are comparable with those reported by the foreign authors. It is concluded that the SSQrus questionnaire can be used in routine audiological practice as an additional diagnostic instrument for the estimation of hearing problems experienced by a patient, monitoring efficiency of therapy and surgical treatment of hearing impairment, improvement of hearing aids, and hearing dysfunction research.
Background: The objective of the study is evaluation of ciliary function and mucosal cytology after endoscopic sinus surgery in children with chronic rhinosinusitis (CRS). Methodology: A total of 132 children with CRS who underwent endoscopic sinus surgery, as well as 15 healthy controls were involved in the study. In this follow-up study patients were examined preoperatively, as well as 3, 6, 9, and 12 months after endoscopic sinus surgery. Assessment of ciliary function and sinonasal mucosal cytology was performed using high-speed videomicroscopy. Lund-Kennedy, Lund-Mackay, and sinonasal outcome test 20 (SNOT20) scores were also evaluated. Results: Total SNOT-20, Lund-Mackay, and Lund-Kennedy values significantly decreased after sinus surgery. In contrast, ciliary function and mucosal cytology only tended to improve after 6 months. 9 months after surgery the number of ciliated cells, ciliary beat frequency, cell viability, and ciliary length were significantly higher than preoperatively. The most significant improvement of ciliary function and cell height was observed 12 months after operation, whereas epithelial dystrophy and neutrophil infiltration were significantly reduced. Conclusions: Substantial improvement was observed only in a year after surgery, whereas 0 to 3 months after the surgery ciliary function was severely impaired thus predisposing to recurrent sinusitis or other complications.
Goals of the study were investigation the perception of vibro-acoustic signals, spreading in water, by deaf patients and the possibility of use hydrovibrotactile stimulation for habilitation of deaf children. In the first part of study 5 experienced cochlear implants (CI) users were involved – 2 adults and 3 children with congenital deafness. Participants were presented modulated tones (100-4000 Hz) and natural sounds (horn, pipe, march melody) though underwater loudspeakers in small swimming pool. Each participant was sitting in the swimming pool without CI during the stimulation. It was shown that deaf subjects are able to detect vibro-acoustic signals, spreading in water, which they feel as a vibrotactile sense. The most vibrotactile sensitivity was between 100 and 400 Hz, while stimuli between 1000 Hz and 4000 Hz didn’t evoke any sensation. In the second part of the study 30 early aged children with severe or profound sensorineural hearing loss without hearing aids or CI experience were participated. It was observed typical oriented behavioral reactions in response to test stimuli in water in 15 children from the experimental group, but there weren’t reactions to the acoustic component of stimuli on air (out of water). Hydrovibrotactile stimulation sessions prior amplification and CI processor fitting accelerated the development of oriented and stable condition motor reflex reactions to sounds in children with hearing aids and CI, including even near-threshold stimuli, in comparison with control group children, who got only traditional lessons with speech-language therapist. As a result, an adequate fitting of hearing aids or CI processor and spontaneous development of hearing behavior in everyday situations were achieved significantly faster.
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