I-imagery ye-resonance magnetic (i-MRI) yiyona test ejwayelekile yegolide yokuhlola nokuqapha ukuqhubeka kwe- multiple sclerosis . Into enhle mayelana ne-MRIs ukuthi banganikeza ulwazi olubalulekile mayelana nempilo yomuntu ngaphandle kokuhlasela.
Ingxenye ebalulekile ye-MRI ihilela ukuphathwa kwedayi ehlukile. Ledayi i-agadolinium-basis based based agent ehlinzekwe ngomlomo womuntu.
Ikhanyisa izilonda ze-MS kwi-MRI, ivumela isazi sezinzwa ukuba sithole ukuthi ngabe umuntu womuntu usebenza kanjani, njengokungathi njengamanje noma abasanda kubuzwa ngokuphindaphindiwe .
I-Brain Deposits namaDyes ahlukene aseGalolinium-Based Based
Nakuba ukungafani kwe-gadolinium-kungase kubangele imiphumela emibi njengemilenze ekhanda, isicanucanu, isizungu, noma ukuzwa okubandayo uma kujowe, ukukhathazeka okuyinhloko okuvelele ukuthi ukungafani kwe-gadolinium kungenzeka kungasuswa ngokuphelele emzimbeni womuntu ngemva kokuwuthola .
Eqinisweni, ngo-2015, ngemuva kokuqhutshwa kwezifundo, i-FDA yakhipha ukuKhulwa koKhuseleko okubonisa ukuthi abantu abane-MS abathola ama-MRI amaningi ngokuphambene bangathola amanani amancane e-gadolinium-based agent agent ahlukaniswe kwezinye izingxenye zobuchopho bawo.
Akukacaci ukuthi lezi zimali zisho ukuthini, njengokuthi ukugcinwa kwazo kuzolimaza umuntu esikhathini esizayo. Ngaphezu kwalokho, akucaci ngokuphelele ukuthi ngabe ama-agent athile okuhlukanisa asekelwe e-gadolinium angaphansi yini noma ngaphezulu ukuthi afakwe ebuchosheni kunabanye.
Izindaba ezinhle ukuthi abacwaningi bahlola ngokucophelela lokhu okutholayo okusha. Ucwaningo olwenziwe ku- Radiology Oluphenyayo lwathola ukuthi ukuphathwa kwama-gayolinium-based based dyes kwakuxhomeke emzimbeni (okusho ukuthi izikhathi ezingaphezu komuntu ezitholwa ngokuphambene, ubuchopho obuningi obungaba nawo).
Ucwaningo lubuye lwaphetha ngokuthi kwakungekho ukuhlobana phakathi kobuchopho be-gadolinium-based agent agents kanye nomsebenzi womuntu wezinso, ubudala, ubulili noma isikhathi phakathi kokuchasana kwabo (i-MRI yabo yokugcina) nokufa.
Kubalulekile ukuthi uqaphele ukuthi ithambo lifakaze futhi empeleni, ucwaningo lubonisa ukuthi ukuthuthwa kwethambo kuvame kakhulu kunezokwelapha.
Ngokuvamile, iphuzu elikhulu lokuthatha ekhaya lapha ukuthi abacwaningi badinga ukuqhubeka befunda le nto ukuze baqaphele ukuthi kungenzeka yini ukulimala.
Ezinye Izingozi Zobuningi Bokuhluka Nge-MRI
Ngokuvamile, izinhlobo ezithile zokungafani kwe-gadolinium zingabangela isifo esibi esibizwa nge-nephrogenic systemic fibrosis kubantu abanezinkinga ezibalulekile zezinso. Lesi simo senza isikhumba siqinise futhi sibangele ukulimala kwezitho zangaphakathi.
Yingakho kubaluleke kakhulu ukutshela udokotela wakho mayelana nezinkinga zezinso ngaphambi kwe-MRI yakho. Udokotela wakho angadinga ukuhlolwa kwegazi ukuze ahlole umsebenzi wezinso zakho, futhi.
Lokhu kusho konke, ngokusetshenziswa kwama-MRIs okungewona umehluko, ukunciphisa ama-dosage ama-agent ehlukile, kanye nama-agent ahlukumezayo okungafani, lesi simo sinqabile kakhulu manje.
Kanti futhi okungajwayelekile, abanye abantu banomdlavuza we-gadolinium. Ngokuvamile, ukusabela kwabo kunomusa futhi kufaka ukukhwabanisa isikhumba. Ngokuvamile, umuntu angathuthukisa ukubhekana nesifo esibi kakhulu ku-gadolinium.
Ingabe i-MRI ingenziwa ngaphandle kokungafani phakathi kwe-MS?
Ngokuqinisekile, ukuhlolwa kwe-MRI kungenziwa noma ngaphandle kohlobo oluhlukile.
Kodwa e-MS, idayisi ehlukile "ikhanyisa" amakhemikhali e-nerve, okwenze kube lula ukubona nokulinganisa izilonda . Izilonda ezikhanyisa ngokuphambene nokuphathwa zibonisa ukuvuvukala okusebenzayo.
Isibonelo, umuntu obhekene nokusola kwe-MS okusola angakhononda ngombono ozwakalayo nobuhlungu lapho ehambisa amehlo ebonini (izimpawu ezibonisa ukuvezwa kwe- optic neuritis ). Isilonda esisha ku-nertic optic, njengoba kubonakala njengendawo ekhanyayo kwi-MRI ngokuphambene, ingabe iqinisekisa lesi sikhalazo.
Uma kuthiwa, uma udokotela wakho engaboni ukuvuvukala okusebenzayo futhi umane nje eqapha ukuqhubeka kwenkinga yesifo sakho, ukungafani ngokuvamile akudingeki.
Ezinye izinengozi ze-MRIs
Ukucabanga nge-MRI kusebenzisa ama-magnetism namagagasi omsakazo ukwenza izithombe zezitho zangaphakathi. Ngokungafani ne-X-ray, engabonisa izakhiwo ezinzima kuphela ezifana namathambo, ama-MRI angakha izithombe zezakhiwo ezithambile nama-tissue. Noma kunjalo, ama-pacemaker, amathambo noma amajoyina, noma ngisho nama-IUD angabangela izinkinga, njengoba i-MRI isebenzisa amakhompi amakhulu kakhulu ukuze enze izithombe.
Ngaphezu kwalokho, imishini ye-MRI iphinde ibe nenkinga kubantu abane-claustrophobia, nakuba izikhungo eziningi zokucabanga zisebenzisa ama-MRI avulekile aveza ukukhathazeka okuncane.
Uma uthola i-MRI, qiniseka ukuthi utshele udokotela wakho kanye ne-MRI technologygist uma unensimbi, i-claustrophobia, izinkinga zokugula noma izinkinga zezinso. Bazokwazi ukukutshela ukuthi yini nokuthi yini ephephile nokuthi kufanele uqhubeke kanjani.
Izwi elivela
Ngenxa yokuthi i-gadolinium iyithuluzi eliyaziwa kakhulu lokubuka inqubekela phambili ye-MS, isasetshenziswa ezimweni eziningi. Uma kuthiwa, uma unenkinga, indlela engcono kakhulu ukuxoxa ngezinketho nodokotela wakho. Yize kungenzeka ukuthi ube ne-MRI engafani, ayikwazi ukusiza ukubona ukuvuvukala kwe-MS okusebenzayo, njengalokho kubonwe ngesikhathi sokubuyela emuva.
> Imithombo
> McDonald RJ et al. I-Intracranial gadolinium deposition emva kokukhathaniswa kwe-MR imaging. I-Radiology . 2015 Jun; 275 (3): 772-82.
> Murata N et al. Ama-Macrocyclic namanye ama-agent ahlukumezayo we-gadolinium abeka amazinga aphansi e-gadolinium ebuchosheni nasezicubu zethambo: Imiphumela yokuthoma evela ezigulini ezingu-9 ezinomsebenzi ojwayelekile wokuba nomuthi. Invest Radiol. 2016 Jul; 51 (7): 447-53.
> National Multiple Sclerosis Society. (September 2015). I-FDA Yokufunda Amathuba Okungenzeka Ahlobene Ne-Agent Contrast MRI ejwayelekile.
> Ramalho et al. Ukuqoqwa kwe-agent ye-Gadolinium ngokuphambene nokweqile: Isibuyekezo. I-AJNR Am J Neuroradiol. 2016 Jul; 37 (7): 1192-8
> Ukuphathwa Kwezokudla Nezidakamizwa zase-US. (Julayi 2015). I-FDA Yezokuphepha Kokuphepha Kwezidakamizwa: i-FDA ehlola ingozi yobuchopho egcinwe ngokuphindaphindiwe kwama-gadolinium-based based agents (imagery resonance imaging (MRI).