Gadolinium inonzi chemical element (heavy metal) iyo inogona kuwedzerwa uye yakasanganiswa mumvura yakachena inoshandiswa kuburikidza nemugero wepakati uye inoshandiswa sechinhu munguva yebamu MRI (magnetic resonance imaging) .MRIs ne gadolinium kubatsira vanachiremba kuwana, kuongorora uye kuongorora kenza mumuviri. I-FDA yakagamuchira zvinotevera gadolinium-based contrast agents:
- Omniscan
- OptiMARK
- Magnevist
- ProHance
- MultiHance
- Ablavar
- Dotarem
- Eovist
- Gadavist
Sezvo gadolinium ichiyerera neropa rako uye inopinda magnetic field, inotonhora inowedzera zvishoma; iwe haunzwi kunzwa izvi nokuti chikamu chechikamu chacho chiduku. Zviratidzo zvinoshandiswa nekudarika gadolinium zvinotorwa nemichina yakasvikiyo mukati meMRI machine. Izvozvo zviratidzo zvinotumirwa kumakombiyuta, izvo zvinoumba mifananidzo yezvimedu zvemazamu. Kuvapo kwegadolinium mumaketeni kunosimbisa kupararira mukati memvere rako uye kunobatsira kuumba mufananidzo wakasiyana-siyana. Gadolinium inotonhora sezvo inobva magnetic field uye ichasunungurwa kubva pane yako hurongwa neinso dzako.
Ngozi
MIMIs anowanzochengeteka kupfuura mamwe maitiro ekuongorora. Haashandisi mazai eononi ayo akabatanidzwa nekenza. Zvisinei, kutsvakurudza kwemazuva ano kwakaratidza kuti kune dzimwe njodzi dzinobatanidzwa ne gadolinium dzisina kumbozivikanwa kare.
Muna 2014, chikwata chezvidzidzo zvitatu zvakapedzwa izvo zvakaratidza kuti zvingave zvakabatana pakati pegadolinium uye uropi husina kunaka. Kunyange zvazvo gadolinium yaitenda kuti yakabviswa zvachose kubva mumuviri mushure meMRI, vatsvakurudzi vakaona kuti gadolinium haigoni kubviswa pakarepo uye inogona kuramba iri mumuviri, ichikanganisa mhuka.
Kuvapo kwegadolinium kunogona kutungamirira kune zvimwe zvinetso zvakadai se multiple sclerosis (MS) . Kunyange zvazvo zviitiko izvi zvingoratidzwa chete mune izvi zvidzidzo zvekutanga, ndicho chikonzero chekutarisa paunotanga marapirwo ako uye unofanira kukurukura nachiremba wako.
Muna 2015, FDA yakabudisa kutevedza kwouropi hunoisa pamwe negadolinium. Zvinoratidzika kuti izvi zvaive zvakanyanya kufunganya kana munhu aifanira kuva nemakore mana kana kupfuura maMRIs achishandisa aya majeri. Kunyangwe neizvi, zvisinei, hazvizivikanwe kana zvingakuvadza. Gadolinium inogonawo kuchengetwa paganda uye mumapfupa.
Hapana hutano hunozivikanwa hunobva pakusangana nemafungu eredhiyo anoshandiswa panguva yechikamu cheMRI.
MunaDecember 2006, Public Health Advisory yakabudiswa neDFA pamusoro pechirwere chisinganzwisisi ganda chinogona kukonzerwa negadolinium. Mune zvimwe zviitiko, gadolinium inogona kukonzera nephrogenic systemic fibrosis kana nephrogenic fibrosing dermopathy (NSF / NFD). NSF / NFD inogona kuitika mazuva maviri kusvika pamwedzi gumi nemasere mushure mekunge ichitsvaga gadolinium. Yakataurwa kune varwere vane hosha kusakatika uye acidosis.
NSF chirwere chinotambura cheganda chinosangana nekuoma kweganda. Inobatanidzwa nehutano huri pamwe chete uye kuderedzwa kwemafambiro ekutanga mavhiki kusvika kumwedzi mushure mekuitwa kwacho.
Iyi migumisiro yakawanda inowanzosviki uye MRIs kushandisa gadolinium agents vanoramba vachishandiswa uye vanorayirwa kuti vaone kuvepo nekukura kwekenza.
Gadolinium uye Breast MRIs
Breast MRIs inoshandisa chirwere chakanyanya kuderera chegadolinium, saka vanachiremba vanofunga kuti pane ngozi shomanana yekudarika kana kuti migumisiro. Miriyo yakajeka yeMRI scan, nokuda kwekushandiswa kwegadolinium, inobatsira zvikuru mukadzi ari pangozi yekenza yepabonde. Inogona kugadzirisa kenza mumatambo ekutanga, kubvumira kupindira kwepakutanga uye kurapa kwakanyanya.
Pakave nemakore makumi maviri nemakumi maviri emitemo ye NSF / NFD yakashuma munyika yose, kune varwere vaiva neMagnetic Resonance Angiogram (MRA) .
MRA inoshandisa katatu kune gadolinium kupfuura yeA breast MRI.
Pasi Pasi
Zvimwe kunze kwezviitiko zvisingawanzoitiki zve NSF / NFD, hazvizivikanwe kuti zvinokuvadza sei gadolinium. Tinoziva kuti inowedzera muuropi, ganda, uye mapfupa, asi zvinoita sekuti avo vane maitiro (akawanda kupfuura mana) maitiro anoshandisa iyo mujeri vari pangozi. Kunyange zvakadaro, hatizivi kuti chiiniki chinorehwa neizvi panguva ino, uye FDA iri kuramba ichicherechedza uye ichicherechedza izvi munguva yakareba.
Taura nachiremba wako kana uchinetseka pamusoro pekuongororwa nekurapa. Anogona kukubatsira kuti unzwisise njodzi uye zvibatsiro zvechinhu chimwe nechimwe. Iva wako mupepeti. Kumbira chiremba wako kana kune imwe nzira yedzidzo yaungadai wakaita iyo inogona kupa ruzivo rwakadaro. Izvozvo zvakati, zvinenge zvipi zvese zvehutano zvinounza ngozi inogona kuitika yezvinetso, uye MRI zvidzidzo, sezvo zvisingasanganisi mazai ekubudisa ropa, inogona kuva yakachengetedzeka yakawanda pane dzimwe nzira.
> Sources:
> US Food and Drug Administration. FDA Mishonga Yekuchengetedzwa Kwemishonga Kukurukurirana: FDA Kuongororwa Nengozi Yezvokuchengetedzwa Kwebongo neKushandiswa Kwakanyanya kweGadolinium-Based Contrast. 07/27/15. https://www.fda.gov/Drugs/DrugSafety/ucm455386.htm
> US Food and Drug Administration. FDA Mishonga Yekuchengetedzwa Kwemishonga Kukurukurirana: FDA Inotsanangura Hapana Migumisiro Inokuvadza Kusvika Mazuva Nehutano Kuchengetedzwa kweGadolinium-Based Based Agents kwaMMIs; Ongorora Kuti Urambe. 05/22/17. https://www.fda.gov/Drugs/DrugSafety/ucm559007.htm