Uvavanyo lweemifanekiso zamagnetic resonance (MRIs) ziqhelekileyo zisetyenziswe ngabagqirha bamazinyo ukuba bahlole iimeko ezahlukeneyo. I-MRIs ingaba luncedo ngokukhethekileyo ekuboneleleni umfanekiso obonakalayo weethambo ezahlukeneyo emzimbeni. Ngokuvumela ugqirha wakho ukuba 'abone' izicubu ezibandakanya umsila, i-tendon, i-cartilage, i-bone, kunye ne-ligaments, umonakalo owenziwe kwisistim se-musculoskelet.
I-MRIs isetyenziswa ngokuqhelekileyo ukuchonga iinyembezi ze-rotator egazini , i-anterior cruciate injured injuries emadolweni, kunye neemeko ezahlukeneyo zomzimba emzimbeni. Nangona i- MRIs ingahle ingabi luvavanyo olulungileyo kuzo zonke izimo zonyango, ziyimvavanyo encedo engasetyenziselwa ukuvavanya iimeko ezahlukeneyo.
Kukho imeko apho i-MRI ingenziwa ngento ethiwa "ukuphuculwa kohlulo." Ukwahlula yinto engenakongezwa kwiindawo ezahlukahlukeneyo zomzimba ukwenzela ukuba zibonwe ngakumbi kwi-scan. Ngokomzekelo, ngamanye amaxesha uhlukelelo lujojowe kwigazi ukwenzela ukuba lufanekise ngakumbi indawo yemithambo yegazi kwi-MRI. Ukwahlula kunokufakwa kwi-joint kunye nokunceda ukufumanisa i-ligament efihlakeleyo kunye nokulimala kwe-cartilage. Ngale nkqubo, nangona kunjalo, umbuzo uvame ukucelwa ukuba: Ngaba iziqhagamshelaniso zikhuselekile?
Ukuphucula i-Gadolinium
I-ejensi ehluke kakhulu ekusebenziseni ukuhlolwa kwe-MRI ibizwa ngokuba yi-gadolinium.
I-Gadolinium yinto enqabileyo yomhlaba engasetyenziselwa kwizicwangciso zokunakekelwa kwezempilo ukugqamisa iziphumo ezithile kwiimvavanyo ze-MRI. Inani elincinci le-gadolinium lingafakwa kwigazi okanye lijojowe libe lidibaniselwano ukubonelela ukuphuculwa kokungafani kwi-MRI. Ezinye iintlobo zeejenisi zokuphambana zisetyenziselwa ezinye iindidi zovavanyo lweemifanekiso.
Ngokomzekelo, abantu abane-x-rays okanye ii-CT izicwangciso bahlala benamaqela ahlukeneyo, kodwa azinjalo i-gadolinium esekelwe. Kwiinkoliso ezininzi ze-radiographic, uhlu lohlobo lwe-iodine.
Kwimiqathango yamathambo, uhlobo oluqhelekileyo lokusebenzisa ukuphuculwa kohlobo olubizwa ngokuba yi-MRI gadolinium ephakamileyo ye-arthrography. Oku kuthetha ukuba isisombululo esahlukileyo, i-gadolinium, ifakwe ngaphakathi ngaphakathi. Ngokufakela ukuhlukana phakathi kokubambisana, kuba lula ukujonga umonakalo we-cartilage kunye neigaments. Ukuphuculwa kwamanani angasetyenziswa kwiintlobo ezininzi ezahlukeneyo ze-MRIs, kodwa izizathu eziqhelekileyo zokufumana uMRI ophuculweyo zibandakanya:
- I-MRIs enamahlombe ukuvavanya ukuba inyembezi ikhefu
- Elbow MRIs ukuvavanya "ukulimala kukaTommy John "
- I-MRI ye-Hip ukuhlalutya ngezinyembezi ezinqabileyo
Njengoko kubonisiwe, ukuphuculwa koxinzelelo kungasetyenziselwa ezinye izizathu, ezi zizona zizathu eziqhelekileyo ezenza ukuba ugqirha wakho wamazinyo acele ukuba uvavanyo lube lukhulu.
Ngaba ukhuseleko luhluke?
Kukho umnqweno wakutshanje kwi-gadolinium injected in body. Uninzi lwophando olubhekiselele kumbuzo luhlobene nokujova kwegadolinium kwigazi, ngoko kukho idatha encinane kakhulu ekhangele ukhuseleko lwejoyi yegadolinium ibe yinye.
Ukuxhalabisa ngejoyiki kwigazi kukuba i-gadolinium inokuqokelela kunye nokuqhubekayo kwiishukela ezithile zomzimba. Kwakhona kukho ubudlelwane kunye ne-gadolinium obangela ukubola kwesifo sezintso kubantu abathile. Nangona oku akusiyo-side side-effect, iphakamisa ithuba lokukhathazeka.
Uninzi lwezifundo zibonise ukuba i-gadolinium yinto ekhuselekile ukuyisebenzisa, nangona ngexesha lokukhulelwa. Ngethuba nje abantu bengenaso isifo esiyingozi, ii-injections ze-gadolinium zibhekwa zikhuselekile. Nangona le nto ayifanele isetyenziswe ngokuqhelekileyo, inokuba luncedo ekuncedeni ukuxilongwa kweemeko ezahlukeneyo.
Kukho uphando olwenziwe ngophando olubonisa ubungqina bokuba i-gadolinium injections kwidibeneyo inokubangela ukuvuvukala kunye nokucaphukisa. Akucaci ukuba i-gadolinium iyona yesohlwayo, kwaye isizathu sokuba abantu bafumane ukuvuvukala ngokubambisana emva kokuba ezi ngxube zingabangela umthamo we-fluid olawulwayo, okanye ezinye izinto ezijojowe kunye ne-gadolinium. Nangona kunjalo, ukuba ne-injection, nayiphi na isizathu, kunokukhokelela kwiimpawu zokunyuka kwentlungu.
Ngaba Kufuneka Ukuxhatshazwa Kokungafani?
Lo mbuzo umbuzo omkhulu: Ngaba i-gadolinium arthrography iyimfuneko ukuba ixilongwe ngekhefu okanye i-Tommy John yingozi? Le ngxoxo-mpikiswano, kwaye yinto eguqukayo njengoko i-MRIs iphucula kumgangatho wayo. Akungabazeki ukuba ii-MRIs eziphuculwayo ezazisetyenziselwa ukuba zisebenzise ngakumbi xa zenza ukuxilongwa kweentlobo ezithile zokulimala kunama-MRIs angenakuphikiswa. Nangona kunjalo, ii-MRIs zifumana oluchanekileyo ngakumbi, kwaye umahluko phakathi kokuphuculwa kokungafani kunye ne-MRI engeyiyo yonke into ayikwazi ukuba yinto ebalulekileyo njengoko yayisetyenziswa. Kukho ulwazi olutsha olubonisa ukuphuculwa kohlulo olungekho mfuneko ukuba kwenzeke ezininzi izifo zesifo somzimba.
Kwenziwe ntoni?
Ukuba ugqirha wakho ucetyisa ukuhlukunyezwa kweMRI, kunengqiqo ukubabuza ukuba ukuphuculwa kohlulo kubalulekile. Njengoko kubonisiwe, ngeemishini ezintsha ze-MRI ezibonelela ngemifanekiso engcono, imfuno yokuphuculwa kwe-intra-articular iyancipha. Kukho amaxesha athile xa ukuphuculwa koxhatshazo kuyindlela engcono, kodwa oku kulandelelaniswa kwaye uninzi lweemvavanyo ze-MRI zingenziwa ngaphandle kokuphuculwa kohlobo.
Abantu abaneengxaki zeengso kufuneka baqinisekise ukuba ugqirha wabo uyayazi le ngxaki phambi kokuhlolwa kweMRI. Ukongezelela, kunengqondo ukubuza ugqirha wakho ukuba yintoni inzuzo ye-MRI eyenziwe ngokungafaniyo-xa kuthelekiswa nokuhlolwa kwe-MRI okungafaniyo. Ukuba lo mmahluko awuncinci, ngoko unokuba ufuna ukucinga ukuba awunayo i-gadolinium inject emzimbeni wakho.
ILizwi
Iinjenisi zokungafani zingancedisa ii-MRIs ezithile ukuba zenze zichaneke ngakumbi ukuxilonga iimeko ezithile. Nangona kunjalo, kukho iingozi ezinokungqinelana nezixhobo ezifaniyo, kwaye ezinye zezo mngcipheko zingenakuqondwa ngokupheleleyo. Ukuba ukuphakanyiswa kokupakanyiswa kuye kwacetyiswa, kufuneka kucaciswe kubini ugqirha wakho kwaye kuni isizathu sokuba umngcipheko ongezelelweyo unika inzuzo eyaneleyo. Ukuba akukho sizathu esicacileyo sokusebenzisa ukuphuculwa kohlulo, amaninzi ama-MRIs angakwazi ukuxilonga ngokuchanekileyo uninzi lweemeko zesifuba ngaphandle kwalowo mngcipheko.
> Imithombo:
> Firth, S. "I-Panel ye-FDA ibuyisela isilumkiso esitsha kwi-Agolinium Contrast Agents" MedPage namhlanje. NgoSeptemba 11, 2017.
> "Ama-Contrast Agent-Based Agents for Imagination Magnetic Resonance (MRI): Unxibelelwano loKhuseleko lweMithi - i-FDA Ukuphonononga ingozi ye-Brain Deposits kunye nokusetyenziswa okuphindaphindiweyo" Ingxelo ye-FDA. Julayi 27, 2015.