Yini i-Technetium-Tc-99m-Tetrofosmin Injection: Ukusetshenziswa, Umthamo, Imiphumela Eceleni nokuningi

I-Technetium-Tc-99m-tetrofosmin injection iyisitholi esinomsakazo esisetshenziswa ezivivinyweni zokuthwebula izithombe zenhliziyo ukusiza odokotela ukuthi babone ukuthi igazi lihamba kahle kangakanani emsipheni wenhliziyo yakho. Le mithi ekhethekile iqukethe inani elincane kakhulu lezinto ezinomsakazo ezivela kumakhamera akhethekile, okuvumela ithimba lakho lokunakekelwa kwezempilo ukuthi lenze izithombe ezinemininingwane yokuhlinzekwa kwegazi nenhliziyo yakho.

Yini i-Technetium-Tc-99m-Tetrofosmin?

I-Technetium-Tc-99m-tetrofosmin iyi-radiopharmaceutical ehlanganisa into enomsakazo i-technetium-99m nenhlanganisela ebizwa ngokuthi i-tetrofosmin. Uma ifakwe emithanjeni yakho yegazi, lesi sitholi sihamba siye emsipheni wenhliziyo yakho futhi siqongelele ezindaweni lapho ukugeleza kwegazi kujwayelekile, okwenza imephu yamaphethini okujikeleza kwenhliziyo yakho.

Ingxenye ethi "Tc-99m" ibhekisela ohlotsheni lwe-technetium olukhipha imisebe ye-gamma, amakhamera akhethekile angayithola ukuze enze izithombe. Ingxenye ye-tetrofosmin isebenza njengesistimu yokulethwa, isiza izinto ezinomsakazo ukuthi zifinyelele futhi zihlale emsipheni wenhliziyo yakho isikhathi eside ngokwanele ukuze kuthwebuleke izithombe ezicacile.

Lesi sitholi sinempilo emfushane kakhulu, okusho ukuthi umsakazo wehla ngokushesha futhi usuka emzimbeni wakho phakathi kwamahora kuya ezinsukwini ngemuva kwenqubo. Inani lokuchayeka emisebeni liphansi futhi libhekwa njengokuphephile ngezinhloso zokuxilonga.

Yini i-Technetium-Tc-99m-Tetrofosmin Esetshenziselwa Yona?

Lo mjovo usetshenziswa ikakhulukazi ekuthwebuleni izithombe ze-myocardial perfusion, okusho ukuthatha izithombe zokugeleza kwegazi emsipheni wenhliziyo yakho. Odokotela basebenzisa lo vivinyo ukuxilonga nokuqapha izimo ezihlukahlukene zenhliziyo, ikakhulukazi lapho bedinga ukubona ukuthi imithambo yakho ye-coronary ihlinzeka kahle kangakanani igazi ezingxenyeni ezihlukene zenhliziyo yakho.

Isizathu esivame kakhulu salolu vivinyo ukuhlola isifo semithambo yenhliziyo, lapho imithambo enciphile noma evaliwe inciphisa ukugeleza kwegazi ezingxenyeni zomgqomo wakho wenhliziyo. Udokotela wakho angase ayale lolu vivinyo uma unezinhlungu esifubeni, ukuphefumula kanzima, noma ezinye izimpawu ezisikisela izinkinga zenhliziyo.

Abahlinzeki bezempilo futhi basebenzisa lokhu kuthwebula izithombe ukuhlola ukuthi inhliziyo yakho isebenza kahle kangakanani ngemuva kokuhlaselwa yinhliziyo, ukuhlola ukusebenza kahle kokwelashwa okufana ne-angioplasty noma ukuhlinzwa kwe-bypass, nokusiza ukuhlela izinqubo zenhliziyo. Kwezinye izimo, kusiza ukunquma ukuthi izinhlungu esifubeni zihlobene nenhliziyo yakho noma zivela kwenye indawo.

Isebenza Kanjani I-Technetium-Tc-99m-Tetrofosmin?

Le tracer isebenza ngokulandela indlela efanayo negazi ngemithambo yakho yenhliziyo nangaphakathi kwamaseli omqomo wakho wenhliziyo. Uma isigxunyekwe, ihamba ngokushesha ngemithambo yakho yegazi futhi iqoqane ezindaweni zenhliziyo yakho ezithola ukugeleza kwegazi okuhle, kuyilapho izindawo ezinokujikeleza okubi zivela njengamabala amnyama ekuthwebuleni izithombe.

I-technetium-99m ikhipha imisebe ye-gamma edlula emzimbeni wakho futhi itholwe yikhamera ekhethekile ebizwa ngekhamera ye-gamma noma i-SPECT scanner. Le misebe idala imephu enemininingwane ekhombisa kahle ukuthi i-tracer iqoqane kuphi emqomeni wakho wenhliziyo, iveza amaphethini okugeleza kwegazi.

Lokhu kuthathwa njengensiza yokuxilonga enamandla aphakathi nendawo enikeza ikhwalithi enhle kakhulu yesithombe ngokuvezwa ngemisebe ephansi. Uvivinyo ngokuvamile luhlanganisa amasethi amabili ezithombe - elilodwa lapho uphumule futhi elinye ngemuva kokucindezeleka (ukuzivocavoca noma imithi) ukuqhathanisa ukuthi inhliziyo yakho isabela kanjani ngaphansi kwezimo ezihlukene.

Kufanele Ngiyithathe Kanjani I-Technetium-Tc-99m-Tetrofosmin?

Awuyithathi ngempela le mithi ngomqondo wendabuko - inikezwa njengesitsha ngqo emthanjeni engalweni yakho ngumhlinzeki wezempilo oqeqeshiwe. Ukujova ngokwako kuthatha imizuzwana embalwa nje futhi kuzizwa kufana nokuthola igazi noma ukuthola noma iyiphi enye imithi ye-IV.

Ngaphambi kokuhlangana kwakho, udokotela wakho uzokunika imiyalelo ethile mayelana nokudla nokuphuza. Ngokuvamile uzodinga ukugwema i-caffeine amahora angu-12-24 ngaphambi kokuhlolwa, njengoba kungaphazamisa imithi ethile yokuhlolwa kokucindezeleka. Ungase futhi udinge ukuzila ukudla amahora ambalwa ngaphambi kwenqubo.

Umjovo uvame ukunikezwa emnyangweni wemithi yenuzi noma esikhungweni sokuthwebula izithombe zenhliziyo. Ngemuva kokuthola umjovo, uzolinda imizuzu engaba ngu-15-45 ngaphambi kokuthi ukuthwebula izithombe kuqale, unikeze isikhathi sokulandela ukuthi sisabalale kuyo yonke imisipha yenhliziyo yakho.

Kufanele Ngiyithathe Isikhathi Esingakanani I-Technetium-Tc-99m-Tetrofosmin?

Lena akuyona imithi oyithatha ngokuhamba kwesikhathi - umjovo owodwa onikezwa ngqo ukuhlolwa kwakho kokuthwebula izithombe. Yonke inqubo, okuhlanganisa ukulungiselela, umjovo, isikhathi sokulinda, nokuthwebula izithombe, ngokuvamile kuthatha amahora angu-2-4 kuye ngohlobo lokuhlolwa udokotela wakho akuyalele.

Isithwebuli esingumakhemikhali esisebenzayo ngokwemvelo siphuma emzimbeni wakho ngezindlela ezivamile ze-biological zingakapheli amahora angu-24-48 ngemuva komjovo. Akudingeki ukuthi wenze lutho olukhethekile ukusiza ukuluqeda, nakuba ukuphuza amanzi amaningi kungasiza ukuthi lugeleziswe ngokushesha ohlelweni lwakho.

Uma udokotela wakho edinga ezinye izifundo zokuthwebula izithombe esikhathini esizayo, uzothola umjovo omusha ngaleso sikhathi. Isikhathi phakathi kokuhlolwa okuphindwayo sincike esimweni sakho esithile sezokwelapha kanye nezincomo zikadokotela wakho.

Yiziphi Imiphumela Eceleni Ye-Technetium-Tc-99m-Tetrofosmin?

Abantu abaningi ababi nemiphumela eceleni evela kulomjovo, futhi ukusabela okukhulu akuvamile. Imiphumela eceleni evame kakhulu imnene futhi yesikhashana, ifana naleyo ongase uyithole nganoma yimuphi umjovo noma inqubo yezokwelapha.

Nansi imiphumela eceleni ongase uyibone, iqala ngalezo ezivamile kakhulu:

• Ukuqaqamba okuncane noma ukulimala endaweni yokujova
• Ukunambitheka kwensimbi okwesikhashana emlonyeni wakho
• Isicanucanu esincane, esivame ukudlula ngokushesha
• Umuzwa wokushisa noma ukubomvu ngemuva kokujova
• Ukukhathala ikhanda noma isiyezi

Le miphumela emincane ngokuvamile iyaphela ngemizuzu kuya emahoreni ngemuva kokujova. Ukunambitheka kwensimbi, uma kwenzeka, ngokuvamile kuyanyamalala kungakapheli ihora.

Imiphumela emibi kakhulu ayivamile kodwa ingabandakanya ukusabela komzimba. Izimpawu zokusabela komzimba zingabandakanya ubunzima bokuphefumula, ukuvuvukala kobuso bakho noma umphimbo, ukuqubuka okukhulu, noma ukushaya kwenhliziyo okusheshayo. Abahlinzeki bezempilo bahlale belungele ukubhekana nalezi zimo ezingavamile ngokushesha.

Ngezinye izikhathi, abanye abantu bangase bazwe ubuhlungu besifuba noma izinguquko esigqi senhliziyo, nakuba lokhu kuvame ukuhlobana nengxenye yokucindezeleka yokuhlolwa kunokuba i-tracer uqobo. Ithimba lakho lezokwelapha likuqapha eduze kuyo yonke inqubo ukuze liqinisekise ukuphepha kwakho.

Ubani Ongafanele Athole I-Technetium-Tc-99m-Tetrofosmin?

Ngenkathi le tracer ivikelekile ngokujwayelekile kubantu abaningi, abanye abantu kufanele bayigweme noma baxoxe ngezinyathelo zokuphepha ezikhethekile nomhlinzeki wabo wezempilo. Udokotela wakho uzobuyekeza ngokucophelela umlando wakho wezokwelapha nesimo samanje ngaphambi kokuncoma lolu vivinyo.

Abesifazane abakhulelwe akufanele bathole lo mjovo ngaphandle uma kudingeka ngempela, njengoba ukuchayeka emisebeni kungalimaza ingane esakhula. Uma ukhulelwe noma ucabanga ukuthi ungase ukhulelwe, tshela ithimba lakho lezempilo ngokushesha ukuze likwazi ukucabangela ezinye izindlela zokuhlola.

Abesifazane abancelisa ngamabele badinga ukucatshangelwa okukhethekile, njengoba amanani amancane ento enomsakazo angadlulela obisini lwebele. Udokotela wakho angase ancome ukuyeka ukuncelisa ngamabele okwesikhashana amahora angu-12-24 ngemuva komjovo, nakuba lokhu kuncike ezintweni ezihlukahlukene ezithinta isimo sakho.

Abantu abanezifo ezinzima zezinso bangase badinge ukulungiswa komthamo noma ezinye izindlela zokuhlola, njengoba imizimba yabo ingase ingayikhiphi ngempumelelo i-tracer. Ngokufanayo, labo abanezimo ezithile zenhliziyo ezenza ukuhlolwa kokucindezeleka kube yingozi bangase badinge izinqubo ezilungisiwe.

Uma unomlando wokungezwani komzimba okukhulu emithini noma kuma-ejenti ahlukile ezokwelapha, ithimba lakho lezempilo lizothatha izinyathelo ezengeziwe zokuphepha futhi lingase likunikeze imithi ngaphambi kokuhlolwa ukuvimbela ukusabela.

Amagama Omkhiqizo we-Technetium-Tc-99m-Tetrofosmin

Le radiopharmaceutical yaziwa kakhulu ngegama layo lomkhiqizo elithi Myoview, elikhiqizwa yi-GE Healthcare. I-Myoview iyilungiselelo eliyinhloko lezentengiso le-technetium-Tc-99m-tetrofosmin elitholakala ezikhungweni eziningi zezokwelapha.

Ungase futhi uzwe abahlinzeki bezempilo bekhuluma ngayo ngokuthi

Kwabanye iziguli, udokotela wakho angase ancome i-cardiac MRI noma i-cardiac CT scans esikhundleni sokuthwebula ngezithombe zenuzi. Lezi zivivinyo azisebenzisi izinto ezinomsakazo kodwa zinikeza izinhlobo ezahlukene zolwazi mayelana nesakhiwo senhliziyo yakho nomsebenzi wayo.

I-Stress echocardiography enye indlela enye esebenzisa i-ultrasound ukuhlola ukusebenza kwenhliziyo ngesikhathi sokucindezeleka, nakuba inikeza ulwazi oluhlukile kunokuthwebula ngezithombe zenuzi. Udokotela wakho uzokhetha ukuhlolwa okungcono kakhulu ngokusekelwe ezimpawini zakho ezithile kanye nomlando wakho wezokwelapha.

Ingabe i-Technetium-Tc-99m-Tetrofosmin ingcono kune-Technetium-Tc-99m-Sestamibi?

Zombili lezi zinto ezisetshenziselwa ukulandelela zizinhle kakhulu ekuthwebuleni izithombe zenhliziyo, futhi akukho noyedwa othi “ungcono” kunomunye - ngamunye unamathuba athile awenza afanele izimo ezihlukene. Ukukhetha kuvame ukuncika ezidingweni zakho zezokwelapha kanye nokukhetha kukadokotela wakho ngokusekelwe olwazini oluthile abalufunayo.

I-Tetrofosmin inamathuba athile obuchwepheshe, okuhlanganisa ukususwa ngokushesha esibindini kanye nekhwalithi engcono yesithombe ezigulini ezithile. Iphinde ivumele ukuthwebula ngokushesha ngemva kokujova, okungenza inqubo isebenze kahle futhi ikhululeke kuwe.

I-Sestamibi, ngakolunye uhlangothi, isetshenziswe isikhathi eside futhi inophenyo oluningi olusekela ukusetshenziswa kwayo. Kungase kukhethwe ezimweni ezithile zomtholampilo noma lapho odokotela bedinga ukuhlola izici ezithile zomsebenzi wenhliziyo.

Zombili lezi zinto ezisetshenziselwa ukulandelela zinikeza ukuvezwa okufanayo kwemisebe futhi zinezimo zokuphepha eziqhathanisekayo. Ithimba lakho lezempilo lizokhetha elilodwa elifaneleka kakhulu isimo sakho esithile, licabangela izinto ezinjengosayizi womzimba wakho, umlando wezokwelapha, kanye nolwazi oluthile abaludingayo ukuze baqongelele mayelana nenhliziyo yakho.

Imibuzo Evame Ukubuzwa Mayelana ne-Technetium-Tc-99m-Tetrofosmin

Umbuzo 1. Ingabe i-Technetium-Tc-99m-Tetrofosmin iphephile kubantu abanesifo sikashukela?

Yebo, le tracer ngokuvamile iphephile kubantu abanesifo sikashukela, futhi ukuba nesifo sikashukela akukwandisi ingozi yakho yemiphumela emibi emthonjeni. Kodwa-ke, ukuphathwa kwesifo sakho sikashukela kungase kudingeke ukuthi kulungiswe ngesikhathi sokuhlolwa kwakho, ikakhulukazi uma udinga ukuzila ukudla ngaphambi kwalokho.

Uma usebenzisa imithi yesifo sikashukela, ikakhulukazi i-insulin noma imithi engabangela ushukela ophansi wegazi, khuluma nethimba lakho lezempilo mayelana nesikhathi sokuthatha imithamo yakho ngesikhathi sokuhlolwa. Bangase balungise uhlelo lwakho lwemithi ukuze bavimbele izinkinga zikashukela wegazi ngesikhathi sokuzila ukudla.

Ingxenye yokucindezeleka yokuhlolwa (uma ifakiwe) idinga ukunakekelwa okukhethekile kubantu abanesifo sikashukela, njengoba ukucindezeleka ngokomzimba noma kwamakhemikhali kungathinta amazinga kashukela wegazi. Ithimba lakho lezokwelapha lizokuqapha eduze futhi lingase lihlole ushukela wakho wegazi ngaphambi nangemva kwenqubo.

Q2. Kufanele Ngenzeni Uma Ngithola Ngengozi I-Technetium-Tc-99m-Tetrofosmin Eningi Kakhulu?

Ukweqisa ngengozi akuvamile kakhulu ngoba lo muthi ulungiswa futhi unikezwa ochwepheshe abaqeqeshiwe abalandela imithetho eqinile yokuphepha. Uma ukweqisa kwenzeka, okuyinhloko okukhathazayo kungaba ukwanda kokuchayeka emisebeni kunemiphumela enobuthi evela emuthini ngokwawo.

Izikhungo zezempilo zinezinqubo ezithile zokuphatha noma yimaphi amaphutha okulinganisa, okuhlanganisa ukwazisa ngokushesha izikhulu zokuphepha emisebeni kanye nokuqaliswa kwezindlela zokuqapha. Uzobhekwa eduze nganoma yiziphi izimpawu ezingavamile futhi ungase uthole ukwelashwa okuzosiza ukuqeda i-tracer ngokushesha.

Izindaba ezinhle ukuthi i-technetium-99m inempilo emfushane kakhulu, ngakho-ke noma ngabe uthole okuningi kunokuhlosiwe, ukuchayeka emisebeni kuzokwehla ngokushesha ngokuhamba kwesikhathi. Ithimba lakho lezokwelapha lizohlinzeka ngemiyalelo ethile mayelana nezinyathelo zokuphepha okufanele zithathwe kanye nokunakekelwa okulandelayo okudingekayo.

Q3. Kufanele Ngenzeni Uma Ngiphuthelwa Isikhathi Sami Esihleliwe Se-Technetium-Tc-99m-Tetrofosmin?

Njengoba lokhu kuyisivivinyo sokuxilonga kunokuba umuthi ovamile, ukweqa i-aphoyintimenti yakho kusho ukuthi uzodinga ukuhlela kabusha ngolunye usuku. I-tracer ilungiswa ngokushesha kumuntu ngamunye futhi ayikwazi ukulondolozwa ukuze isetshenziswe kamuva, ngakho-ke ukulungiswa okusha kuzodingeka ku-aphoyintimenti yakho ehlelelwe kabusha.

Xhumana nomhlinzeki wakho wezempilo noma isikhungo sokuthwebula izithombe ngokushesha ngangokunokwenzeka ukuze uhlele kabusha. Bazosebenza nawe ukuthola isikhathi esisha sokuqokwa esihambisana neshejuli yakho futhi sihlangabezane nanoma yiziphi izidingo zesikhathi sezokwelapha udokotela wakho azichazile.

Uma ukuhlolwa kwakho ku-odiwele ukuhlola ngokushesha ubuhlungu besifuba noma ezinye izimpawu ezikhathazayo, qiniseka ukuthi uyakusho lokhu lapho uhlela kabusha ukuze bakwazi ukubeka phambili i-aphoyintimenti yakho ngendlela efanele. Ungalibazisi ukufuna ukunakekelwa kwezokwelapha uma unezimpawu ezikukhathazayo.

Q4. Ngingaqala nini kabusha imisebenzi ejwayelekile ngemva kokujovwa kwe-Technetium-Tc-99m-Tetrofosmin?

Ungaqaqa kabusha imisebenzi eminingi ejwayelekile ngokushesha ngemva kokuthi ukuthwebula kwakho izithombe kuqediwe, nakuba ungase uzizwe ukhathele uma ukuhlolwa kwakho kufaka isici sokucindezeleka. I-tracer ngokwayo ayikuvimbeli emisebenzini yakho, kodwa kufanele ulandele noma yiziphi iziyalezo ezithile ezinikezwa ithimba lakho lezempilo.

Emahoreni okuqala angu-24 ngemva kokujova, kuyasiza ukuphuza uketshezi oluningi ukusiza ukukhipha i-tracer ohlelweni lwakho. Ungadla ngokujwayelekile ngaphandle uma udokotela wakho ekunike ezinye izithiyo zokudla ngenxa yezizathu zezokwelapha ezingahlobene ne-tracer.

Uma ube nokuhlolwa kokucindezeleka njengengxenye yenqubo yakho, ungase udinge ukugwema ukuzivocavoca okukhulu amahora ambalwa uze uzizwe ululame ngokuphelele. Abantu abaningi bazizwa bejwayelekile kungakapheli amahora ambalwa beqede ukuhlolwa kwabo.

Q5. Ingabe i-radioactivity ihlala isikhathi esingakanani emzimbeni wami?

Ukukhanya kwemisebe evela ku-technetium-99m kuyehla ngokushesha kakhulu ngenxa yokuphila kwayo okufushane kwesigamu sama-6 amahora. Lokhu kusho ukuthi njalo ngamahora ayi-6, inani lemisebe emzimbeni wakho lehla ngesigamu, futhi kungakapheli amahora angu-24-48, cishe yonke imisebe isinyamalele.

Iningi le-tracer likhishwa ngezimpumputhe zakho futhi livela emchameni wakho, ngenani elincane elikhishwa ngeminye imfucuza yomzimba. Ukuqedwa kuvame ukuqeda phakathi kwezinsuku eziyi-1-2, nakuba ukuphuza amanzi amaningi kungasiza ukusheshisa le nqubo.

Ngosuku lokuqala ngemuva komjovo wakho, unganconywa ukuthi uthathe izinyathelo zokuphepha ezilula njengokugeza indlu yangasese kabili nokugeza izandla zakho kahle ngemuva kokusebenzisa indlu yangasese. Lezi zinyathelo zisiza ukuvikela abanye ekuchayekeni emisebeni engadingekile, nakuba ubungozi busezingeni eliphansi kakhulu.