Ngeenjongo zeli nqaku, siza kubhekisela ekulahlekeni kwindlebe yokuvalelwa kwintsholongwane ephantsi (ukulahlekelwa kwindlebe kubangelwa iiseli zentloko zentloko ezonakele). Olu hlobo lokulahlekelwa kweendlebe luchaphazela ii-2000 ii-Hz nezantsi. Le yimihlaba enzulu. Ilahleko lokuphulaphulwa kwexesha eliphantsi liyaziwa nangokuthi "i-backverse slope audiogram " kuba umntu onokulahlekelwa kwindlebe ephantsi aphinde ave izandi kwii-frequencies eziphezulu.
Ngenxa yoko, abantu abanokulahlekelwa kwintetho ephantsi-ntsapho bangakwazi ukuqonda kakuhle intetho.
Iimbangela zokulahlekelwa kwexesha eliphantsi
I-Kresge Hearing Research Institute ibike ukuba ukuguqulwa kwimizimba ye-WFS1 (i-Wolfram Syndrome gene) kungabangela ukulahlekelwa kwindlebe ephantsi. Ukuguqulwa komzimba kuthiwa yi-Wolfram Syndrome 1. Ezinye izimbangela zokulahlekelwa kwindlebe ephantsi-mali ziquka i-Mondini dysplasia (i-malchlear malformation), ukulahlekelwa kwintetho ngokukhawuleza, isifo sikaMeniere , ukusuleleka kwe- virus, ukungaphumeleli komntu, kunye nokutshintshwa kwengcinezelo ebangela i-fistula ( i-intracranial hypertension) okanye emva kwe-anesthesia yomgudu.
Ukuxilongwa kwe-Low-Frequency Hearing Loss
Ukulahlekelwa kwintetho ephantsi kwexesha elihle kunokulahleka ngenxa yokuba kunokuba kungenayo impawu emininzi. Izandi ezisezantsi zingaphantsi kolwazi oluninzi njengezandi kwii-frequencies eziphezulu ukwenzela ukuba abantu abanokuvakala phakathi kunye namazinga aphakamileyo bangasebenzisa oko bakuva kuloo majelo ukuba benze oko bangakuvayo kwii-frequencies eziphantsi, ngoko "ukulahlekelwa kwindlebe.
Umntu onokulahlekelwa kwintetho ephantsi kwexesha eliqhelekileyo uya kufumana intetho kunye nolwimi ngokuqhelekileyo. Esinye sezikhombisi ezimbalwa kwilahleko yokuphulaphulwa kwexesha eliphantsi kukuba umntu unzima ukuva kwiqela okanye kwindawo enomsindo. Kwiimeko ezininzi, lolu hlobo lokulahlekelwa kwindlebe luya kuphawulwa ngexesha lokuhlola iindlebe rhoqo.
Ukuba kukho imbali yentsapho yokulahlekelwa kwindlebe ephantsi, kufuneka ubone i-audiologist ukuvavanya ukuvavanya ukuvavanya kwaye ungathembeli kuphela kwiimvavanyo zokuva.
Unokuphatha njani ukuLawula ukuLawula okuNcinci?
Kuxhomekeke kwimibandela yomntu onokulahlekelwa kwindlebe. Kwezinye iimeko, unyango aluvumelekanga. Kukho izixhobo ezintle zokuva ezingasetyenziselwa ukunika amandla kumazinga aphantsi ngaphandle kokukhulisa iindawo umntu aziva ngokuqhelekileyo. Okubaluleke ngakumbi, ezi ncedisi zengxoxo zineengcipheko zokunciphisa izandi kunye nee-microphone ezininzi ezingaphucula ukuva kwiimeko ezinzima. Kukho iinketho ezifana nee-microphone ezikude. I-audiologist yakho iya kukwazi ukukukhokela ekukhetheni iteknoloji efanelekileyo.
> Imithombo:
Kuk, Francis, Ph.D., uDenise Keenan, MA, noCarl Ludvigsen, MS. Ukutshintsha Ngezihlandlo: Ukulawula Ukulahlekelwa Kwamaxesha Aphawulezileyo. Ukuvavanywa kokuHlola ngoNovemba 2003. http://www.hearingreview.com/issues/articles/2003-11_04.asp.
MM Lesperance. I-WFS1 i-Gene Mutation kunye neDolforphism Database. Ukulahlekelwa kwexesha eliphantsi kweVeki. I-Kresge Hearing Research Institute. ILabhanethi ye-Human Genetics.
Niskar AS, i-Kieszak SM, i-Holmes A, iEsteban E, i-Rubin C, i-Brody DJ. Ukuphakama kokuvalelwa kokulahlekelwa phakathi kwabantwana aba-6 ukuya ku-19 ubudala yobudala: I-Third National Health and Nutrition Examination Survey. JAMA. 1998 kuMatshi 8; 279 (14): 1071-5.
> Hain, T (2015). Ukuphulukana kweeNqanaba eziLawulayo eziPhantsi. Utywala kunye noLungelelwano. http://www.dizziness-and-balance.com/disorders/hearing/low-frequency_snhl.html.
Ukuhlaziywa nguMelissa Karp, Au.D.