Ngaba Ukuva okanye Ukulingana Neengxaki Iinkonzo Zogqirha?
Iingqungquthela zeemicircular ziphakathi kwendlebe yangaphakathi. Ezi ntathu zincinci ezincinane (izitshixo ezingasigxina, eziphezulu kunye neziphambili ezingezantsi), zilungiselelwe ngeengalo ezilungileyo. Ziqulethe i-endolymph kunye neeseli ezincinci zeenwele, ezibizwa ngokuba yi-cilia, eziqonda ukuhamba kwethu. Iingqungquthela zengqungquthela ziyinxalenye yesistimu ye-vestibular kunye nomsebenzi wokusinika ingqiqo .
I-Dehiscence ye-Canal Dehiscence (SSCD), ebizwa ngokuba yi-Superior Canal Dehiscence Syndrome (i-SCDS), yimeko ebangelwa ngumngxuma okanye ukuvula kwithambo elijongene nomsele ongundoqo wesigxina. Isithambo esinyanisiweyo sivumela i-endolymph kwisigxina esingasemagqabini sokuhambisa isicatshulwa ukuphendula kwisandi okanye isistim.
Isiganeko kunye Nezizathu
Ukugqwesa kwe-canal dehiscence ye-canal isifo esingavamile kwaye isizathu esingaziwayo. Enye inkolelo kukuba enye kwipesenti ezimbini yabemi izalwe ngethambo elingaqhelekanga elijongene nomsele ongaphantsi wesigxina owenza ukuba ube yi-SSCD. Iingcamango kukuba uxinzelelo okanye utyhafu kudala kubangele umgobo okanye ukuvula kule nthambo esele ipholile. Oku kuchaza ukuba kutheni iminyaka yobudala yokuxilongwa imalunga nama-45 ubudala.
Nangona kunjalo, i-SSCD iye yafunyaniswa kubantu ngabancinci kunene. Enye inkolelo kukuba ithambo alinakuphuhliswa kakuhle kwi-utero kwaye i-SSCD ikhona ngexesha lokuzalwa.
Kwakhona kungenzeka ukuba ithambo elingaphezulu kwinqanaba elisezantsi le-canal liqala ukucuthwa ngobudala kwaye ingcinezelo emncinci okanye ukunyuswa kwengcinezelo enganyangekiyo kungabangela ukuba i-dehiscence. Le thambo linokonakaliswa ngexesha lokuhlinzwa kwendlebe.
I-Superior Circular Canal Dehiscence ichaphazela amadoda, abafazi kunye nabantu ngabanye kuzo zonke iintlanga ngokulinganayo.
Ukungafani ngqo kwe-SSCD akungaziwa.
Izimpawu kunye neMpawu
Iimpawu ze-SSCD ziyahluka phakathi kwabantu. Unokuba nezibonakaliso ze-vestibular, iimpawu zokuphicotha, okanye ukudibanisa kokubili. Ezinye iimpawu ze-SSCD zinokubonakala ziyingqumbo. Iimpawu ze-SSCD zingaquka:
- Utywala okanye i-vertigo (isoloko isandi okanye uxinzelelo lwenziwa)
- Ukungalingani okungapheliyo
- I-Tinnitus - ngezinye izihlandlo ihambelana nokuhamba kwamehlo okanye isandi senhliziyo yakho ukubetha
- I-Hyperacusis (ubuzwe obungavamile kwizandi zansuku zonke)
- Izandi zomsindo ze-Oscillopsia zingenza izinto zivele ngathi zihamba
- I-Nystigmus (ukunyuka kwamehlo okungabonakaliyo - kunokunyanzeliswa)
- Iimpawu ziba zibi nakakhulu xa udibanisa, uhlahlela, okanye uvuthele impumlo yakho
- I-Autophony - unokukwazi ukuva ukunyakaza kwamehlo okanye kwipulse yakho. Izwi lakho linokubonakala likhulu ngokungaqhelekanga kwindlebe echaphazelekayo.
- Ukulahlekelwa kweentlanganiso zokuvavanya ngokuqhelekileyo kwimivalo engezantsi
- Isandi sinokubonakala siphambuke kwiindlebe ezichaphazelekayo
- Ukuzaliswa kwamanzi (ukuvakalelwa okanye ukucinezelwa kwindlebe echaphazelekayo)
Ithambo elincinci elincinci elijongene nomsele ongundoqo wesigxina, nangona kungabikho kwe-dehiscence, kunokubangela ukuba nempawu ezintle ze-SSCD. Kufuneka kwakhona kuqatshelwe ukuba abanye abantu abane-SSCD abanakufumana impawu nhlobo.
Ukuxilongwa
Ukuba ugqirha wakho ugxeka ukuba unakho i-SSCD, bangasebenzisa iimvavanyo ezahlukeneyo ukunceda ukuqinisekiswa oku kuxilongwa. Ugqirha wakho oqhelekileyo unokurhoxisa i-SSCD, kodwa ukuxilongwa kukugqithwe ngugqirha ogxininisekile kwiintlungu zengxolo kunye nomqala ( i-ENT okanye i-otolaryngologist ).
Ukugqithisa okuphezulu kwe-canal dehiscence kunokuphambuka ngeengxaki ezifanayo ezifana ne-perilymph fistula, i-BPPV kunye ne-otosclerosis.
Imbali nePhysical
Ugqirha wakho angenza iimvavanyo ezahlukeneyo e-ofisi ezingabandakanya:
- Ukuvavanywa koxanduva - ugqirha wakho uza kukubukela uhamba, oku kunceda ukufumanisa iingxaki zokulinganisela.
- Uvavanyo lwe-Oculomotor - ugqirha wakho uya kujonga indlela amehlo akho ahamba ngayo ukufumanisa i-nystigmus.
- Uvavanyo lwe-Fukuda - ugqirha wakho uza kukucela ukuba uhambe endaweni engama-20-30 imizuzwana ngelixa ugcina amehlo akho ivaliwe. Olu vavanyo lisetyenziselwa ukufumanisa ukungaqhelekanga kwesalathisi.
- I-Dix-Hallpike ehamba ngayo - ugqirha wakho uya kwenza lo vavanyo ngokukubeka ngokukhawuleza kunye nentloko yakho yajika kwicala. Ngethuba ukwenza oku ugqirha uya kugcina amehlo akho kwi-nystigmus. I-Dix-Hallpike isetyenzisiwe isetyenziselwa ukulawula i-vertigo ye-postoxysmal positive .
- Uvavanyo lwe-Shake-Head - ugqirha wakho uya kugubha intloko xa ugqoke iilensi ezikhethekileyo.
- Uvavanyo lweNtloko
- Uvavanyo lweVuity Acuity Test
- Uvavanyo lweFistula
- Ibhokisi yebhokisi yengxolo - esetyenziselwa ukuvavanya i-vertigo eyenziweyo
CT Scan
Isisombululo esiphezulu se-CT sisinokuba luncedo ekuhloleni i-SSCD xa kwenziwa ngumntu onobuchule. Uya kufuna ukuya esikhungweni se-radiology esinezakhono ekuboneni i-SSCD, njengoko kunokuba lula ukuphosakela. Nangona unokufumana okulungileyo kwi-CT, kuya kufuneka uphinde ube nemvavanyo yokuvavanya ukujonga umphumo, njengoko umlenze (owaziwa njengexesha elide ) unokumanyanisa ummandla okwenza umgodi ungabalulekanga.
Ukuvavanya iimvavanyo
Uvavanyo lwe-Audiometry lubonisa ukulahlekelwa kweendlebe eziphantsi kwee-frequency, nangona ezinye iintlobo zokulahlekelwa kwintetho zifumaneka. Imiva yokuvavanya ingasetyenziswa ifaka phakathi: i-audiometry yefuthe ecocekileyo, ukuhlolwa kwe-immitance ( tympanometry ) ukukunceda ukulawula iingxaki zeendlebe eziphakathi, okwexeshana kukhishwe i-otoacoustic emissions kunye ne-electrocochleography.
Unyango
Ukucebisa ngokuqhelekileyo kuyisinyathelo sokuqala esilungileyo xa ucinga ukuba ingekho unyango okhuselweyo lwe-SSCD. Ukuba iimpawu azizinzima, ezinye iimeko zingasala ngokuchaneka ngeendlela zokuhlangabezana nazo. Ukuba iimpawu zokungalingani zincinci, ukuvuselelwa kwe-vestibula kungenzela inzuzo ethile.
Nangona kunjalo, ukuba umgangatho wobomi unempembelelo kakhulu, ukulungiswa kokucoca kweso sivulo kuya kuqinisekiswa. Iindlela ezimbini eziqhelekileyo ziquka ukuxhoma umgodi (ovala isalathisi ye-semicircular), okanye ukuvelisa umgcini (oshiya isalathisi esisemthethweni). Zombini iintlobo okanye ukulungiswa kokucoca kufuneka kudambise kwi-gawulu ngento ebizwa ngokuba yindlela ephakathi kwe-fossa (okanye i-middle fossa craniotomy).
Nangona oku kutyunjwa ngokubanzi kunemiphumo emihle, iingxaki kwi-nervous facial and relapse of symptoms zingenzeka. Ngaphambi kokuhlinzwa, kuyona nto ingcono ukuxoxa ngeengozi ezinxulumene nenkqubo kunye nogqirha kwaye ubuze ngokuthe ngqo malunga nantoni na ukuba izigulane zakhe zineengxaki ezinxulumene nenkqubo.
> Imithombo:
> I-American Speech-Language-Hearing Association. Dehiscence yeCanal Superior. http://www.asha.org/Practice-Portal/Clinical-Topics/Superior-Canal-Dehiscence/.
> Utywala kunye neBalance.com. Dehiscence yeCanal Superior. http://www.dizziness-and-balance.com/disorders/unilat/scd.htm.
> Medscape. Dehiscence yeCanal Superior. http://emedicine.medscape.com/article/857914-clinical.
> Minor, uLB. (2000). Isifo se-Canal Dehiscence Syndrome. I-American Journal ye-Otology. 21 (1), iphepha 9-19.
> Intloko ye-UCLA kunye noKukhwa kweNtshontsho. I-Superior Circular Canal Dehiscence. http://headandnecksurgery.ucla.edu/body.cfm?id=154.