常見(jiàn)基因相關(guān)耳聾的臨床特點(diǎn)及人工耳蝸植入效果分析
[Abstract]:Normal hearing is the basis of language formation and development, hearing speech disorder directly affects daily life communication and learning. Deafness is one of the most distressed diseases of human being. In 2006, the second national sampling survey on disabled persons in China showed that the total number of disabled persons of all types was 82 million 960 thousand, and the hearing disability was 27 million 800 thousand, the first of all kinds of disabilities. The causes of deafness include heredity, drugs, noise, trauma, and combination of many factors. Among them, the proportion of the gene mutation as the main deafness cause of the hearing impaired children is up to 50%-60%. in China, and the proportion of the deafness associated with GJB2 and SLC26A4 mutation is about 35.5% in the hereditary deafness. It is the two major responsible gene for the highest detection rate. The clinical and the clinical and imaging features of the deafness people with GJB2 and SLC26A4 mutations are studied from the age, the degree of hearing loss, and the CT expression, so that the diagnosis and guidance of clinical intervention can be made to help clearly diagnose and guide the clinical intervention. Significance. The emergence of Cochlear implantation (CI) technology provides a chance for bilateral extremely severe sensorineural deafness to provide a chance to return to the world of sound..CI implantation is becoming more and more perfect. The number of cases of cochlear implantation is increasing year by year, and the ability of CI people to be aware of hearing, speech recognition, and language output constantly. However, there are still large individual differences in the effect of postoperative rehabilitation. With the extensive use of gene detection and diagnostic techniques, a large number of deafness children with genetic mutations have occupied a large part of the CI population. Different gene mutations have been used as the cause of the cause of sensorineural hearing loss on the effect of auditory speech rehabilitation after CI. There are some contradictions in the previous study. There are few research data on auditory speech rehabilitation effect after CI operation in different regional and non English language families with hearing loss gene related sensorineural hearing loss. 1. the purpose of this study was to compare the age of onset of GJB2, SLC26A4 gene mutation related sensorineural hearing loss in children, the degree of hearing loss and the.2. study of inner ear imaging. To explore the rehabilitation characteristics of auditory speech after cochlear implantation in children with GJB2, SLC26A4 gene mutation related to sensorineural deafness. The first part is to compare the clinical characteristics of the common gene related deafness and to compare the age of onset, the degree of hearing loss and the inner ear imaging characteristics of GJB2, SLC26A4 mutation related sensorineural hearing loss. Methods 218 children with GJB2, SLC26A4 homozygous or complex heterozygous mutations were detected in 218 children with 0~12 year old sensorineural deafness, including 123 cases of GJB2 homozygous or complex heterozygous mutations, and SLC26A4 homozygous or compound heterozygous mutations in the 218 cases of GJB2, homozygous or complex heterozygous mutation in our hospital. 95 cases were divided into infant group (0~1 years old), early childhood group (1.1~3 years), pre school age group (3.1~6 years old) and school age group (6.1~12 years old). The age constitution of children with GJB2, SLC26A4 gene homozygous or complex heterozygous mutations, hearing loss and temporal bone CT imaging characteristics were investigated. The results of the 1, GJB2, SLC26A4 two gene mutation group were found. The proportion of age in infancy, infancy, pre school age and school age were 43.09%, 37.40%, 14.63%, 4.88% and 24.2%, 44.21%, 18.95%, 12.63%, and two groups were statistically significant (P=0.014).2, GJB2, and SLC26A4 gene mutation group was moderate, severe and extremely severe: 8.94%, 17.89, respectively. %, 73.17% and 9.47%, 34.74%, 55.79%, group GJB2 was the most severe hearing loss, and the ratio of hearing loss in the SLC26A4 group was statistically significant (P=0.014).3. The ratio of hearing loss in children with GJB2 gene mutation was statistically significant (P=0.000), and then the 22 groups were compared and the degree of hearing loss in the early childhood group The proportion of extreme severe hearing loss was higher, the proportion of extreme severe hearing loss in preschool and school age groups decreased with severe severe hearing loss. The degree of hearing loss in all age groups of.SLC26A4 gene mutation was severe, most severe, and the ratio of hearing loss was not statistically significant (P=0.686).4, GJB2 gene mutation. In group 99.19% (122/123), the inner ear structure of children was normal, only one case with CT showed bilateral internal auditory stenosis, and the SLC26A4 gene mutation group 95.79% (91/95) had CT in the temporal bone with enlargement of the vestibular aqueduct. 1, the age of children with deafness with GJB2 gene mutation was concentrated in infant, early childhood (0~3 years), most severe sensorineural deafness and no inner ear. The age of.2, SLC26A4 gene mutation and sensorineural hearing loss in children is mostly in early childhood (1.1~3 years), mainly with severe, extremely severe sensorineural deafness, closely related to the internal ear malformation with enlarged vestibule pipes. The second part of the common gene related deafness cochlear implantation is to study the GJB2, SLC26A4 gene The characteristics of auditory speech rehabilitation after cochlear implantation in children with mutational related sensorineural deafness were observed. Methods a total of 198 children, 102 males and 96 females, aged 3.14 years old in October -2016 years in February January 2015, were observed and assessed. The results were divided into group GJB2, SLC26A4 group and unfound basis according to the results of gene detection. The auditory speech ability of the three groups was evaluated and compared before the operation, in March, in June, and in December, respectively. The evaluation contents included sound field hearing hearing threshold test, Categories ofauditory performance, CAP, Speech Intelligibility Rate, SIR score, and speech recognition ability test. The hearing of the hearing impaired children, the standard of language ability evaluation was more than. Results 1, the auditory speech ability of group GJB2, SLC26A4 group and control group increased gradually with the prolongation of recovery time. The difference of CAP, SIR score, speech recognition rate and language age at adjacent time points were statistically significant (P0.05).2, GJB2 group time point CAP, SIR score and speech in each group. There was no significant difference in speech recognition rate and language age compared with the results of the same follow-up time in the control group (P0.05).3. Before operation, March, and CAP after operation in group SLC26A4, SIR score and speech recognition rate were significantly higher than that of group GJB2 and control group, the difference was statistically significant (P0.05). The CAP, SIR score, speech recognition rate and GJB2 group in December after operation. There was no significant difference in the difference between the control group and the control group (P0.05) the language age of the group.SLC26A4 was not statistically significant (P0.05) at all time points and the other two groups. The conclusion was 1. The short-term rehabilitation effect of the cochlear implant in children with SLC26A4 gene mutation was better than that of the GJB2 gene mutation and the undetected gene mutation,.2, and the GJB2 gene mutation in SNHL patients. Conclusion 1. children with deafness with GJB2 gene mutation are concentrated in infants, early childhood (0~3 years), most severe sensorineural deafness, and children with more non.2.SLC26A4 gene mutations and sensorineural hearing loss are more common in children. In early childhood (1.1~3 years of age), severe, extremely severe sensorineural deafness is the main factor, and the.3.SLC26A4 gene mutation is closely related to the enlarged inner ear malformation associated with the vestibule tube. The short-term rehabilitation effect of the cochlear implantation in children with sensorineural deafness is obviously better than that of the GJB2 gene mutation and the.4.GJB2 mutation in the undetected gene mutants. Children with deafness can achieve better hearing and speech rehabilitation after operation, and are equal to those without gene mutation.
【學(xué)位授予單位】:鄭州大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2017
【分類號(hào)】:R764.43
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