Ukucatshulwa kwe-Magnetic resonance (MRI) ukuhlolwa komgangatho wegolide wokuhlola nokubeka esweni inkqubela ye- sclerosis . Into ebalulekileyo malunga ne-MRIs kukuba banokunika ulwazi oluxabisekileyo malunga nempilo yomntu ngaphandle kokungena.
Inxalenye ebalulekileyo ye-MRI ibandakanya ukulawulwa kwedayi eyahlukileyo. Le dayi yintsebenziswano ye-gadolinium-based based agent enikezwe kwisisu somntu.
Ikhanyisa izilonda ze-MS kwi-MRI, ukuvumela i-neurologist ukuba ibone ukuba i-MS yomntu iyasebenza, njengokuba okwangoku okanye ivale kwakhona .
Ii-Depos zeBrain kunye neDigolinium-Based Based Dyes Dyes
Nangona i-gadolinium-based-contrasts ingabangela iziphumo ezinobungozi obunzima njengentloko, isisonguluko, isisu, okanye i-cold feeling xa ijoyiweyo, enye inkxalabo enkulu ebonakalayo kukuba ukuhluka kwe-gadolinium akunakususwa ngokupheleleyo emzimbeni womntu emva kokuyifumana .
Enyanisweni, ngo-2015, emva kokuqhutyelwa izifundo, i-FDA ikhishwe uxhulo loKhuseleko olubonisa ukuba abantu abane-MS abafumana i-MRIs ezininzi ngokungafaniyo banokufumana ixabiso elincinci le-agadolinium-based based agent egcinwe kwiindawo ezithile zobuchopho babo.
Akukacaci ukuba zeziphi idiphozithi zithetha ukuba, ukube ukugcinwa kwazo kuzokulimaza umntu kwikamva labo. Ukongezelela, akucaci ngokucacileyo ukuba ezinye i-agadolinium-based based agents ziphantsi okanye zininzi ukuba zifakwe kwingqondo kunabanye.
Iindaba ezilungileyo kukuba abaphandi baphanda ngokuphandle le ngcaciso entsha. Uphando olwenziwe kwi- Radiology yophando lubone ukuba ukulawulwa kwee-gadolinium-based based dyes kwakuxhomekeke kwintsholongwane (oku kuthetha ukuba amaxesha amaninzi umntu awamkela ukungafani, ubuninzi bobuchopho basenokuba khona).
Uphononongo luye lwagqiba ukuba akukho nxu lumano phakathi kobuchopho be-gadolinium-based agents kunye nomsebenzi wengqondo yomntu, ubudala, isini okanye ixesha eliphakathi kokuchasana kwabo (iMRI yabo yokugqibela) nokufa.
Kwakhona kubalulekile ukuba uqaphele ukuba ithambo idibeneyo iyakwenzeka ngokwenene, uphando lubonisa ukuba ukuthunyelwa kwethambo kuqhelekileyo kunokuba kugcinwe ingqondo.
Ngokubanzi, indawo ephambili yokuthatha indawo apha kukuba abaphandi bafuna ukuqhubeka befunda le nkcazo ukuqinisekisa ukuba kunokulimaza.
Ezinye iingozi zobume be-Contrast ne-MRI
Ngokuqhelekileyo, iintlobo ezithile ze-gadolinium ukungafani kunokubangela isifo esibi esibizwa ngokuba yi-nephrogenic systemic fibrosis kubantu abaneentsholongwane ezinzima. Le meko ibangela ukuba isikhumba siqine kwaye kubangele ukulimala kwizitho zangaphakathi.
Yingakho kubaluleke kakhulu ukuxelela ugqirha wakho malunga nayiphi na ingxaki yeengxaki ngaphambi kweMRI yakho. Ugqirha wakho unokufuna ukuthatha uvavanyo lwegazi ukujonga umsebenzi wakho wezintso, ngokunjalo.
Oku kuthethwa konke, ngokusetyenziswa kwe-MRIs engafaniyo, ukunciphisa ama-dosages ama-ejenti ahlukeneyo, kunye ne-agent-contrast-risk-agents engqinelaniyo, le meko iyingqabile kakhulu ngoku.
Kwakunqabile ukuba, abanye abantu banomdla wokungafani ne-gadolinium. Ngokuqhelekileyo, ukusabela kwabo kubumnene kwaye kubandakanya ukukhwabanisa isikhumba. Kunqabile kakhulu, umntu unokuhlakulela indlela echaphazelekayo yokuguqula i-gadolinium.
Ngaba i-MRI ingenziwa ngaphandle kokungafani nakwi-MS?
Ngokuqinisekileyo, ukuhlolwa kweMRI kunokwenziwa kunye okanye ngaphandle kwedayi eyahlukileyo.
Kodwa kwi-MS, idayi eyahlukileyo "ikhanyisa" iipliti ze-nerve fibers, eyenza kube lula ukuchonga nokulinganisa izilonda . Izilonda ezikhanyisa ngokuphambene nokulawula zibonisa ukuvuvukala okusebenzayo.
Ngokomzekelo, umntu ojongene no-MS okhankanywayo angaphinda akhononwe ngombono onqamlekileyo kunye nentlungu xa ehambisa isohlo labo (iimpawu ezibonisa ukuba ne- optic neuritis ). Isilonda esitsha kwi-nertic optic, njengoko ibonakala njengendawo ekhanyayo kwi-MRI ngokuchaseneyo, ingaqinisekisa ukuba le ngxaki.
Oku kuthetha ukuba, ukuba ugqirha wakho akayikukrokrela ukuvuvukala okusebenzayo kwaye umane ubeke esweni ukuqhubela phambili kwesifo sakho, ngokungafaniyo akufuneki.
Eminye ingozi ye-MRIs
Imifanekiso ye-MRI isebenzisa amagnetism kunye namaza omsakazo ukwenza imifanekiso yezitho zangaphakathi. Ngokungafani ne-X-ray, engayifumana izakhiwo ezinzima nje ezinjengamathambo, i-MRI ingenza imifanekiso yezakhiwo ezincinci kunye nezicubu. Nangona kunjalo, i-pacemakers, amathambo okanye amajoyina, okanye i-IUD ingabangela iingxaki, njengoko i-MRI isebenzisa amagnethe amakhulu ukwenza imifanekiso.
Ukongeza, imishini ye-MRI nayo ingxaki kubantu abano-claustrophobia, nangona amanye amagumbi okucinga asebenzisa iMRI evulekile eveza ukukhathazeka okungaphantsi.
Ukuba unesi-MRI, qiniseka ukuxelela ugqirha wakho kunye nobuchwepheshe be-MRI ukuba unayo isinyithi, i-claustrophobia, i-allergies, okanye iingxaki zeengso. Baya kuba nako ukukuxelela oko kukuthi nento engakhuselekanga kunye nendlela yokuhamba phambili.
ILizwi
Ngenxa yokuba i-gadolinium iyona sixhobo esaziwayo kakhulu sokugcina inkqubela ye-MS, isasetyenziswa kwiimeko ezininzi. Oko kuthethwa, ukuba unenkxalabo, indlela efanelekileyo kukuxoxa ngezinto ozenza ugqirha wakho. Ngelixa kunokwenzeka ukuba ube ne-MRI engafaniyo, ayikwazi ukunceda ukuchonga ukukhwabanisa kwe-MS, njengaleyo yabonwa ngexesha lokuphindaphinda.
> Imithombo
> McDonald RJ et al. I-Intracranial gadolinium ukuthunyelwa emva kokukhatshwa komfanekiso kaM MR. Radiology . 2015 Juni; 275 (3): 772-82.
> Murata N et al. I-Macrocyclic kunye nezinye ezingekho iqela 1 i-agadolinium i-agents eziphambeneyo zifaka iqondo eliphantsi le-gadolinium ebuchosheni nasesiswini samathambo: Iziphumo zokuqala ezivela kwizigulane ezingama-9 ezineempembelelo eziqhelekileyo. Invest Radiol. 2016 Jul; 51 (7): 447-53.
> I-National Multiple Sclerosis Society. (Septemba 2015). I-FDA ekuHlaleni iNgcipheko yeengozi ezinxulumene noMmeli oPhezulu weMRI oqhelekileyo.
> Ramalho et al. Ukuqokelela kwe-agent ye-Gadolinium kunye nobutyhefu: Ukuhlaziywa. AJNR Am J Neuroradiol. 2016 Jul; 37 (7): 1192-8
> Ulawulo lweZiko lokuTya kunye neDrug. (Julayi 2015). I-FDA Inxibelelwano loKhuseleko lweDrug: U-FDA uhlola ingozi yengqondo ephosa ngokusetyenziswa ngokuphindaphindiweyo kwee-agadolinium-based based agents (IMRI).