Ifoto yeVideonystagmography (VNG)

Umxholo

• Yintoni i-videonystagmography (VNG)?
• Isetyenziselwa ntoni?
• Kutheni ndifuna iVNG?
• Kwenzeka ntoni ngexesha le-VNG?
• Ngaba kuya kufuneka ndenze nantoni na ukulungiselela i-VNG?
• Ngaba kukho nayiphi na ingozi kwiVNG?
• Zithetha ntoni iziphumo?
• Ngaba ikhona enye into endifuna ukuyazi malunga neVNG?
• Izalathiso

Yintoni i-videonystagmography (VNG)?

IVideonystagmography (VNG) luvavanyo olulinganisa uhlobo lokuhamba kwamehlo okungazibandakanyi okubizwa ngokuba yi-nystagmus. Ezi ntshukumo zinokucotha okanye zikhawuleze, zizinze okanye zijerky. INystagmus ibangela ukuba amehlo akho ahambe ngapha nangapha okanye phezulu okanye ezantsi, okanye zombini. Kwenzeka xa ingqondo ifumana imiyalezo engqubanayo evela emehlweni akho kunye nenkqubo yokulinganisela kwindlebe yangaphakathi. Le miyalezo iphikisanayo inokubangela isiyezi.

Unokufumana i-nystagmus ngokufutshane xa ushukumisa intloko yakho ngendlela ethile okanye ujonge ezinye iintlobo zeepateni. Kodwa ukuba uyifumana xa ungashukumisi intloko yakho okanye ukuba ihlala ixesha elide, kunokuthetha ukuba unesifo se-vestibular system.

Inkqubo yakho ye-vestibular ibandakanya amalungu, imithambo-luvo, kunye nolwakhiwo olusendlebeni yakho yangaphakathi. Liziko eliphambili lomzimba wakho lokulinganisa. Inkqubo ye-vestibular isebenza kunye namehlo akho, imvakalelo yokuthinta kunye nengqondo. Ingqondo yakho inxibelelana neenkqubo ezahlukeneyo emzimbeni wakho ukulawula ibhalansi yakho.

Amanye amagama: VNG

Isetyenziselwa ntoni?

I-VNG isetyenziselwa ukufumanisa ukuba unengxaki ye-vestibular system (ulungelelwaniso lwendlebe yakho yangaphakathi) okanye kwinxalenye yengqondo elawula ibhalansi.

Kutheni ndifuna iVNG?

Unokufuna i-VNG ukuba uneempawu zesifo se-vestibular. Olona phawu luphambili sisiyezi, ligama eliqhelekileyo leempawu ezahlukeneyo zokungalingani. Oku kubandakanya i-vertigo, imvakalelo yokuba wena okanye indawo ekujikelezileyo ujikeleza, uyothuka ngelixa uhamba, kunye nentloko elula, uziva ngathi uza kufa isiqaqa.

Ezinye iimpawu zesifo se-vestibular zibandakanya:

• I-Nystagmus (iintshukumo zamehlo ezingazibandakanyiyo eziya ngapha nangapha okanye phezulu nangaphantsi)
• Ukukhala ezindlebeni (tinnitus)
• Ukuziva ugcwele okanye uxinzelelo endlebeni
• Ukudideka

Kwenzeka ntoni ngexesha le-VNG?

I-VNG inokwenziwa ngumboneleli wokuqala wezempilo okanye enye yezi ntlobo zilandelayo zeengcali:

• I-audiologist, umboneleli wezempilo ojolise ekuchongeni, ekunyangeni nasekulawuleni ilahleko yokuva
• I-otolaryngologist (ENT), ugqirha oyingcali kunyango lwezifo kunye neemeko zeendlebe, impumlo kunye nomqala
• I-neurologist, ugqirha ogxile ekuchongeni nasekunyangeni ukuphazamiseka kwengqondo kunye nenkqubo yovalo

Ngexesha lovavanyo lwe-VNG, uya kuhlala kwigumbi elimnyama unxibe iigoggs ezikhethekileyo. Imigogo ineekhamera ezirekhoda ukuhamba kwamehlo. Zintathu izinto eziphambili kwiVNG:

• Uvavanyo lwe-Ocular. Ngethuba lale nxalenye ye-VNG, uya kujonga kwaye ulandele amachaphaza ahambayo nahambayo ngaphandle kwebar yokukhanya.
• Uvavanyo lwezikhundla. Ngeli xesha, umboneleli wakho uya kususa intloko nomzimba wakho kwizikhundla ezahlukeneyo. Umboneleli wakho uya kujonga ukuba le ntshukumo ibangela i-nystagmus.
• Uvavanyo lwekhalori. Ngethuba lale ndawo, amanzi afudumeleyo apholileyo okanye umoya uya kufakwa kwindlebe nganye. Xa amanzi abandayo okanye umoya ungena kwindlebe yangaphakathi, kufanele ukuba ubangele i-nystagmus. Amehlo emva koko kufuneka asuke emanzini abandayo akule ndlebe kwaye abuye kancinci. Xa amanzi afudumeleyo okanye umoya ufakwa endlebeni, amehlo kufuneka ahambe kancinci aye kule ndlebe kwaye abuye kancinci. Ukuba amehlo akaphenduli kwezi ndlela, oko kunokuthetha ukuba kukho umonakalo kwiimithambo zendlebe yangaphakathi. Umboneleli wakho uya kujonga ukuze abone ukuba indlebe enye iphendula ngokwahlukileyo kwenye. Ukuba indlebe enye yonakele, impendulo iya kuba buthathaka kunenye, okanye kungabikho mpendulo kwaphela.

Ngaba kuya kufuneka ndenze nantoni na ukulungiselela i-VNG?

Kuya kufuneka wenze utshintsho kwindlela otya ngayo okanye uphephe amayeza athile kusuku olunye okanye ezimbini ngaphambi kovavanyo lwakho. Umboneleli wakho wezempilo uya kukwazisa ukuba ngaba kukho nayiphi na imiyalelo ekhethekileyo ekufuneka uyilandele.

Ngaba kukho nayiphi na ingozi kwiVNG?

Uvavanyo lunokukwenza uzive unesiyezi malunga nemizuzu embalwa. Unokufuna ukwenza amalungiselelo okuba umntu akuqhubise ukugoduka, ukuba isiyezi sihlala ixesha elide.

Zithetha ntoni iziphumo?

Ukuba iziphumo bezingaqhelekanga, oko kunokuthetha ukuba unengxaki yendlebe yangaphakathi. Oku kubandakanya:

• Isifo seMeniere, isifo esibangela ukuba nesiyezi, amaxesha okuva, kunye ne-tinnitus (ukukhala ezindlebeni). Ihlala ichaphazela indlebe enye kuphela. Nangona kungekho nonyango yesifo sikaMeniere, esi sifo sinokulawulwa ngamayeza kunye / okanye notshintsho kwindlela otya ngayo.
• I-Labyrinthitis, ingxaki ebangela i-vertigo kunye nokungalingani. Kubangelwa xa inxenye yendlebe yangaphakathi isuleleka okanye idumbile. Ukuphazamiseka ngamanye amaxesha kuyahamba ngokwakho, kodwa unokumiselwa i-antibiotics ukuba ufumanisa ukuba unesifo.

Iziphumo ezingaqhelekanga zinokuthetha ukuba unemeko echaphazela amalungu engqondo anceda ukulawula ibhalansi yakho.

Ukuba unemibuzo malunga neziphumo zakho, thetha nomboneleli wakho wezempilo.

Ngaba ikhona enye into endifuna ukuyazi malunga neVNG?

Olunye uvavanyo olubizwa ngokuba yi-electronystagmography (ENG) luthatha uhlobo olufanayo lokuhamba kwamehlo njengeVNG. Ikwasebenzisa uvavanyo lweoyile, lweposenti, kunye novavanyo lwekhalori. Kodwa endaweni yokusebenzisa ikhamera ukurekhoda ukuhamba kwamehlo, i-ENG ilinganisa iintshukumo zamehlo ngee-electrode ezibekwe kulusu olujikeleze amehlo.

Ngelixa uvavanyo lwe-ENG lusasetyenziswa, uvavanyo lwe-VNG ngoku luxhaphake. Ngokungafaniyo ne-ENG, i-VNG inokulinganisa kwaye irekhode ukuhamba kwamehlo ngexesha lokwenyani. Ii-VNGs zinokubonelela ngokucacileyo ngemifanekiso yokuhamba kwamehlo.

Izalathiso

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Ulwazi olukule ndawo akufuneki lusetyenziswe endaweni yonyango okanye iingcebiso. Nxibelelana nomboneleli wezempilo ukuba unemibuzo malunga nempilo yakho.