Yini i-Fluorescein (Indlela Yokujova): Ukusetshenziswa, Umthamo, Imiphumela Eceleni Nokunye

I-Fluorescein idayi eliphuzi-orenji eliqhakazile odokotela abalijova emithanjeni yakho ukusiza ukuxilonga izinkinga zamehlo nezindaba zemithambo yegazi. Lapho leli dayi elikhethekile lihamba ngomgudu wegazi lakho, lenza izingxenye ezithile zomzimba wakho zikhanye ngaphansi kokukhanya okukhethekile, okuvumela udokotela wakho ukuthi abone izinto ezingabonakali.

Cabanga ngayo njenge-highlighter yemithambo yakho yegazi. Leli dayi lisiza ithimba lakho lokunakekelwa kwezempilo ukuthi libone izinkinga kusenesikhathi futhi lenze ukuxilongwa okunembile okungavikela umbono wakho nempilo yonke.

Yini i-Fluorescein?

I-Fluorescein iyidayi yokuxilonga ephephile, evunywe yi-FDA esetshenziswe emithini amashumi eminyaka. Kuyinhlanganisela encibilika emanzini ekhanya ngokuphuzi-luhlaza uma ivezwa ekukhanyeni okuluhlaza okwesibhakabhaka, okuyenza ilungele ukuthwebula izithombe zezokwelapha.

Umuthi uza njengesixazululo esingenazo izinto ezingcolile esijovwa ngqo emgudwini wakho wegazi ngomugqa we-IV. Uma usemzimbeni wakho, uhamba ngokushesha kuwo wonke imithambo yakho yegazi, okuhlanganisa nemithambo emincane emehlweni akho nakwezinye izitho.

Umzimba wakho usebenzisa leli dayi ngokwemvelo futhi uliqede ngezinso zakho phakathi kwamahora angu-24 kuya kwangu-48. Abantu abaningi bayakubekezelela kahle kakhulu, futhi ukusabela okukhulu akuvamile.

Yini i-Fluorescein Esetshenziselwa Yona?

Odokotela ngokuyinhloko basebenzisa i-fluorescein ye-intravenous ukuxilonga izimo zamehlo, ikakhulukazi izinkinga nge-retina ngemuva kweso lakho. Lolu vivinyo, olubizwa ngokuthi i-fluorescein angiography, lusiza ukuhlonza izinkinga ezingasongela umbono wakho.

Udokotela wakho angase ancome lolu vivinyo uma uhlangabezana nezinguquko embonweni, ubuhlungu emehlweni, noma uma unezimo ezinjengesifo sikashukela ezingathinta amehlo akho. Leli dayi lisiza ukudalula imithambo yegazi elimele, imithambo evaliwe, noma izindawo lapho uketshezi luvuza khona.

Nazi izimo eziyinhloko lolu vivinyo olusiza ukuzixilonga:

• I-diabetic retinopathy (ukulimala kweso ngenxa yesifo sikashukela)
• Ukuguga okuhlobene ne-macular degeneration
• Ukuvaleka kwemithambo yegazi noma imithambo emincane
• Ukuvuvukala ku-macula (maphakathi ne-retina yakho)
• Izinyembezi ze-retinal noma ukuhlukana
• Izifo zamehlo ezivuthayo
• Amathumba ngaphakathi noma ngaphandle kweso

Ngezinye izikhathi odokotela basebenzisa i-fluorescein ukuhlola ukuhamba kwegazi kwezinye izindawo zomzimba wakho, nakuba lokhu kungavamile. Lolu vivinyo lunikeza ulwazi olubalulekile olusiza ithimba lakho lokunakekelwa kwezempilo ukuhlela ukwelashwa okungcono kakhulu ngesimo sakho esithile.

Isebenza Kanjani I-Fluorescein?

I-Fluorescein isebenza ngokwenza njengomkhondo okhanyisa imithambo yakho yegazi ngaphansi kwemishini ekhethekile yokuthwebula izithombe. Lapho umbala ungena egazini lakho, uhamba yonke indawo lapho igazi lakho liya khona, okuhlanganisa inethiwekhi ebuthaka yemithambo emehlweni akho.

Umlingo wenzeka lapho udokotela wakho ekhanyisa ukukhanya okuluhlaza okwesibhakabhaka futhi ethatha izithombe ezisheshayo zeso lakho. Imithambo yegazi enempilo ivumela umbala ukuthi ugeleze kahle, kuyilapho izindawo ezilimele zivela njengamabala aqhakazile, iziqephu ezimnyama, noma izindawo lapho umbala uvuza khona.

Lokhu kuthathwa njengamathuluzi okuxilonga asebenzayo kakhulu ngoba anikeza izithombe ezinemininingwane yesikhathi sangempela zamaphethini okuhamba kwegazi. Udokotela wakho angabona kahle ukuthi izinkinga zenzeka kuphi nokuthi zingase zibe zinkulu kangakanani.

Umbala ngokwawo awelaphi noma yiziphi izimo - ungowokuxilonga kuphela. Nokho, ulwazi oluhlinzekayo lubalulekile ekunqumeni uhlelo lokwelashwa olufanele esimweni sakho esithile.

Kufanele Ngiyithathe Kanjani I-Fluorescein?

Awuyithathi ngempela i-fluorescein ngomqondo wendabuko - inikezwa njengomjovo ngokuqondile emthanjeni engalweni yakho. Uchwepheshe wezempilo uzohlala enikeza lo muthi endaweni yezokwelapha efana nesibhedlela noma umtholampilo wamehlo.

Ngaphambi kokuqokwa kwakho, ungaqhubeka udla futhi uphuze ngokujwayelekile ngaphandle uma udokotela wakho ekunikeza imiyalelo ethile ngenye indlela. Akudingeki ukuthi uzile noma ugweme noma yiziphi izidlo ngaphambi kokuhlolwa.

Nakhu okwenzeka ngesikhathi senqubo:

1. Umnakekeli noma uchwepheshe uzofaka umugqa omncane we-IV engalweni yakho
2. Uzohlala phambi kwekhamera ekhethekile eyenzelwe ukuthwebula amehlo akho
3. Isixazululo se-fluorescein sijovwa ngokushesha nge-IV
4. Izithombe zithathwa ngokushesha futhi ziqhubeke imizuzu embalwa
5. Inqubo yonke ngokuvamile ithatha imizuzu engu-15 kuya kwengama-30

Ungase uzwe umuzwa ofudumele omfushane noma isicanucanu esincane lapho umbala ujovwa, kodwa lokhu kuvamile ukuthi kudlule ngokushesha. Abantu abaningi bathola ukuthi lolu vivinyo lunethezekile kunalokho abebelindele.

Kufanele Ngithathe Isikhathi Esingakanani I-Fluorescein?

I-Fluorescein iyisijovo esisodwa, hhayi umuthi owuthatha ngokuphindaphindiwe. Umthamo wonke unikezwa ngesikhathi sokuqokwa kwakho kokuxilonga, futhi ukuhlolwa kuvame ukuqedwa kungakapheli imizuzu engama-30.

Umzimba wakho ngokwemvelo uqeda umbala phakathi kwamahora angu-24 kuya kwangama-48 ngezitho zakho zomzimba. Akudingeki ukuthi wenze lutho olukhethekile ukuze usize le nqubo - vele uphuze amanzi amaningi njengoba uvamile ukwenza.

Uma udokotela wakho edinga ukuphinda ukuhlolwa ukuze aqaphe isimo sakho ngokuhamba kwesikhathi, bazohlela ama-aphoyintimenti ahlukene. Abanye abantu bangase badinge ukulandelela ama-fluorescein angiograms njalo ezinyangeni ezimbalwa noma iminyaka, kuye ngesimo sabo esithile samehlo.

Yiziphi Imiphumela Eceleni Ye-Fluorescein?

Abantu abaningi bathola imiphumela emincane kakhulu eceleni ye-fluorescein, futhi abaningi abanayo imiphumela eceleni nhlobo. Ukusabela okuvame kakhulu ukushintsha kombala kwesikhashana kwesikhumba sakho nomchamo, okuvamile ngokuphelele futhi akulimazi.

Nayi imiphumela emincane eceleni ongase uyibone:

• Umchamo ophuzi noma owolintshi oqhakazile amahora angu-24 kuya kwangama-48
• Umbala ophuzi omncane esikhumbeni sakho ophela emahoreni ambalwa
• Isicanucanu esifushane noma umuzwa ofudumele ngesikhathi sokujova
• Ukunambitheka kwensimbi okwesikhashana emlonyeni wakho
• Isiyezi esincane esidlula ngokushesha

Le miphumela yesikhashana futhi ayibonisi noma yiziphi izinkinga. Umbala ophuzi emchameni wakho umane nje ungumbala okhishwa emzimbeni wakho ngokwemvelo.

Imiphumela emibi kakhulu ayivamile kodwa ingabandakanya:

• Ukungezwani komzimba okunezinduna, ukuluma, noma ubunzima bokuphefumula
• Isicanucanu esibi noma ukuhlanza
• Ukuquleka noma isiyezi esikhulu
• Ukuvuvukala kobuso bakho, izindebe, noma umphimbo

Ithimba lakho lezempilo likuqapha eduze ngesikhathi nangemva komjovo ukuze libheke noma yiziphi izindlela ezingavamile. Balungile ukubhekana nanoma yiziphi izinkinga ezingase zivele, nakuba izinkinga ezinzima zingavamile kakhulu.

Ubani Ongafanele Athole I-Fluorescein?

Ngenkathi i-fluorescein ivikelekile ngokuvamile kubantu abaningi, kunezimo ezithile lapho udokotela wakho angakhetha khona indlela ehlukile yokuxilonga. Abantu abanezifo ezinzima zezinso bangase badinge ukucatshangelwa okukhethekile njengoba umbala ukhishwa ngezinso.

Udokotela wakho uzobuyekeza umlando wakho wezokwelapha ngokucophelela ngaphambi kokuncoma leli test. Bazofuna ukwazi nganoma yiziphi izindlela zokungezwani komzimba ngaphambilini emibaleni, imithi, noma ama-ejenti aphambene.

Izimo ezidinga ukuqapha okwengeziwe zihlanganisa:

• Umlando wokungezwani komzimba okukhulu kunoma yimiphi imithi
• Isifo esikhulu sezinso noma ukwehluleka kwezinso
• Izimo zenhliziyo ezinzima ezingase zikwenze uzwe imiphumela emibi kakhulu
• Ukuphendula okubi ngaphambilini ku-fluorescein noma imibala efanayo

Ukukhulelwa kudinga ukucatshangelwa okukhethekile, nakuba i-fluorescein ingasetshenziswa lapho izinzuzo zidlula izingozi. Udokotela wakho uzoxoxa lokhu nawe uma ukhulelwe noma ungase ukhulelwe.

Uma uncelisa, unganconywa ukuthi uphampe futhi ulahle ubisi lwebele amahora angama-24 ngemva kokuhlolwa, nakuba inani lombala elidlulela obisini lwebele lincane kakhulu.

Amagama Omkhiqizo we-Fluorescein

I-Fluorescein iyatholakala ngaphansi kwamagama amaningi emikhiqizo, nakuba umuthi ngokwawo ufana kungakhathaliseki ukuthi umenzi ngubani. Amagama ajwayelekile emikhiqizo ahlanganisa i-Fluorescite, i-AK-Fluor, ne-Funduscein.

Ukugxilisa kanye nokwakheka kungahluka kancane phakathi kwemikhiqizo, kodwa konke kuqukethe isithako esifanayo esisebenzayo - i-fluorescein sodium. Isikhungo sakho sezempilo sizokhetha umkhiqizo osebenza kahle kakhulu emishinini yabo kanye nemithethosivivinyo.

Ezinye izindlela zokulungiselela ziza njengezixazululo ezilungele ukusetshenziswa, kanti ezinye zidinga ukuxutshwa ngaphambi kokujova. Lokhu akuthinti ukuphepha noma ukusebenza kahle kokuhlolwa kwakho - kumane kuyindaba yokulungiselela okulula eqenjini lakho lezempilo.

Ezinye izindlela ze-Fluorescein

Ngenkathi i-fluorescein angiography iyindinganiso yegolide ekuhlolweni okuningi kwamehlo, kunezindlela ezithile zokuxilonga ezingenye udokotela wakho angazicabangela ngokuya ngesimo sakho esithile.

I-OCT (Optical Coherence Tomography) ingahlinzeka ngezithombe ezinemininingwane ye-retina yakho ngaphandle kokusebenzisa noma iyiphi idayi nhlobo. Lolu vivinyo lusebenzisa amaza okukhanya ukudala izithombe eziwela ngesigaba se-retina yakho, nakuba lingabonisi ukugeleza kwegazi njengoba i-fluorescein yenza.

Ezinye izindlela zihlanganisa:

• I-indocyanine green angiography (isebenzisa idayi ehlukile)
• I-Fundus photography (ithatha izithombe ngaphandle kwe dayi)
• I-OCT angiography (ibonisa imithambo yegazi ngaphandle kokujova)
• I-Ultrasonography yezinye izimo zamehlo

Udokotela wakho uzokhetha ukuhlolwa okungcono kakhulu ngokusekelwe kulokho abazama ukukuxilonga kanye nesimo sakho sezempilo ngasinye. Ngezinye izikhathi kudingeka izivivinyo eziningi ukuze uthole isithombe esiphelele sempilo yamehlo akho.

Ingabe i-Fluorescein ingcono kune-Indocyanine Green?

Kokubili i-fluorescein ne-indocyanine green ziyidayi ezinhle zokuxilonga, kodwa ngalinye linamathuba athile ezinhlobo ezahlukene zezinkinga zamehlo. I-Fluorescein ingcono ekuhloleni imithambo yegazi engaphezulu ku-retina yakho futhi iyisivivinyo esisetshenziswa kakhulu.

I-Indocyanine green ingena ekujuleni ezicutshini zamehlo futhi ingabonisa imithambo yegazi engase ingabonakali nge-fluorescein. Isebenza kakhulu ezinhlotsheni ezithile zokuguga kwe-macular kanye nezinkinga zamehlo ezijulile.

Nakhu ukuthi ziqhathaniswa kanjani:

• I-Fluorescein: Ingcono emithanjeni yegazi ye-retinal engaphezulu, ayibizi kakhulu, itholakala kabanzi
• I-Indocyanine green: Ingcono emithanjeni yegazi ejulile, ibiza kakhulu, idinga imishini ekhethekile
• I-Fluorescein: Ibanga ukushintsha kombala okuphuzi okwesikhashana
• I-Indocyanine green: Ayibangeli ukushintsha kombala kwesikhumba, kodwa inohlu oluhlukile lwemiphumela emibi

Udokotela wakho uzokhetha ukuhlolwa okungenzeka kakhulu ukuthi kunikeze ulwazi oludingekayo ngesimo sakho esithile. Ngezinye izikhathi kokubili ukuhlolwa kwenziwa ngosuku olufanayo ukuze kutholwe isithombe esiphelele.

Imibuzo Evame Ukubuzwa Nge-Fluorescein

Ingabe i-Fluorescein iphephile kubantu abanesifo sikashukela?

Yebo, i-fluorescein ngokuvamile iphephile kakhulu kubantu abanesifo sikashukela. Eqinisweni, abantu abaningi abanesifo sikashukela bathola i-fluorescein angiograms njalo ukuze baqaphele impilo yamehlo abo, ngoba isifo sikashukela singabangela izinkinga zamehlo ezingathi sína ngokuhamba kwesikhathi.

Ukuhlolwa akuthinti amazinga akho kashukela egazini noma kuphazamise imithi yesifo sikashukela. Kodwa-ke, uma unezinkinga zezinso ezihlobene nesifo sikashukela, udokotela wakho angase afune ukuthatha izinyathelo zokuphepha ezengeziwe noma akuqaphele eduze ngesikhathi sokuhlolwa.

Qiniseka ukuthi utshela ithimba lakho lezempilo ngesifo sakho sikashukela nanoma yiziphi izinkinga ongase ube nazo. Bazolungisa indlela yabo yokuqapha nokunakekela ngokufanele ukuze baqinisekise ukuphepha kwakho kuyo yonke inqubo.

Ngingenzani uma ngithola i-Fluorescein eningi ngengozi?

Njengoba i-fluorescein inikezwa ochwepheshe bezokwelapha abaqeqeshiwe ezindaweni ezilawulwayo, ukweqisa ngengozi akuvamile kakhulu. Umthamo ojwayelekile ubhalwa ngokucophelela ngokusekelwe esisindweni sakho nokuhlolwa okuthile okwenziwayo.

Uma ukhathazekile ngobuningi bedayi olitholile, khuluma nethimba lakho lezempilo ngokushesha. Bangakwazi ukukuqapha nganoma yiziphi izimpawu ezingavamile futhi banikeze ukunakekelwa okusekelayo uma kudingeka.

Izimpawu ezingase zikhombe idayi eliningi kakhulu zihlanganisa isicanucanu esibi, ukuhlanza okuqhubekayo, noma isiyezi esingavamile esingathuthuki. Kodwa-ke, izinkinga ezinzima ezivela ku-fluorescein azivamile kakhulu, ngisho nangemithamo emikhulu.

Kufanele Ngenzeni Uma Ngiphuthelwa Umthamo We-Fluorescein?

Lo mbuzo awusebenzi ngempela ku-fluorescein njengoba inikezwa njengesijovo esisodwa ngesikhathi senqubo yokuxilonga, hhayi njengomuthi ovamile owuthatha ekhaya.

Uma uphuthelwa isikhathi sakho esihleliwe se-fluorescein angiography, vele ushayele ihhovisi likadokotela wakho ukuze uhlele kabusha. Isikhathi sokuhlolwa sivame ukuguquguquka ngaphandle kokuthi unezinkinga zamehlo eziphuthumayo.

Udokotela wakho uzosebenza nawe ukuze athole isikhathi esisha sokuqokwa esihambisana neshejuli yakho. Akunasidingo sokukhathazeka ngokuphuthelwa

Kodwa-ke, uma uthole amaconsi esweni ukuze andise abafundi bakho, ungase ube nombono ongacacile nokuzwela ekukhanyeni amahora amaningi. Kulokhu, kufanele uhlele ukuthi omunye umuntu akuqhubele ekhaya.

Buza ithimba lakho lezempilo ngaphambi kokuhlolwa ukuthi ngabe uzodinga yini ukuhamba ekhaya. Bangakutshela kahle ukuthi yini ongayilindela ngokuya ngezinqubo ezithile ezihlelelwe ukuqokwa kwakho.