Magnetic resonance imaging (MRI) yog ib txoj hauv kev qhia paub ntau tshaj plaws rau kev tshuaj xyuas cov kabmob sab hauv hauv cov tshuaj niaj hnub. Nyob rau hauv cov nqe lus ntawm nws tus nqi diagnostic, nws ho ntau tshaj qhov kev kuaj X-ray. Dab tsi yog qhov tseem ceeb ntawm cov txheej txheem, thiab MRI angiography ntawm cov hlab ntsha hlwb qhia tau li cas? Qhov no, nrog rau ntau yam uas koj yuav tsum paub txog kev kuaj mob MRI, tau piav qhia tom qab hauv kab lus.
Lub ntsiab ntawm txoj kev
Nws yog dab tsi - MRI angiography ntawm cerebral hlab ntsha? Nrog nws cov kev pab, koj tuaj yeem pom qhov nthuav dav ntawm cov hlab ntsha hauv hlwb, lawv cov duab, qhov loj me, cuam tshuam rau cov ntaub so ntswg ntawm lub hlwb.
Txhua qhov no tuaj yeem ua tau vim qhov tseeb tias lub tshuab ntsuas hluav taws xob tawm hluav taws xob sib txawv ntawm ntau zaus. Lawv ua rau muaj kev vibration ntawm hydrogen atoms, uas muaj nyob rau hauv ntau cov ntaub so ntswg ntawm lub cev. Ntau yam concentrationcov atoms nyob rau hauv nyias qhov chaw ntawm lub hlwb yog tso tawm nyob rau hauv lub screen. Nws yog ua tsaug rau qhov no uas cov ntaub so ntswg ntawm lub hlwb pom, txhua qhov ntawm nws qhov kev siv.
MRI angiography ntawm cerebral hlab ntsha nrog qhov sib txawv yog sib cais. Nws lub ntsiab lus yog nyob rau hauv kev qhia txog ib yam khoom tshwj xeeb uas stains lub paj hlwb. Nws yog cov ntaub ntawv ntau dua li cov qauv MRI.
Cov kab mob dab tsi tuaj yeem kuaj tau los ntawm MRI?
Nrog kev pab los ntawm MRI angiography ntawm cov hlab ntsha hauv hlwb, kev kuaj mob kom raug. Ntxiv mus, tsis tsuas yog qhov xwm ntawm circulatory disorders yog txiav txim, tab sis kuj nws raws nraim localization. Koj tseem tuaj yeem tshawb pom tias qhov xwm txheej tsis zoo no tshwm sim ntev npaum li cas.
Tus nqi kuaj mob ntawm txoj kev yog nce los ntawm kev siv qhov sib piv nruab nrab. Tab sis txoj kev no yog kim dua classical magnetic resonance imaging, yog li qee zaum nws yuav tsum tau tso tseg.
Yuav ua li cas MRI angiography ntawm cerebral hlab ntsha qhia qhov tsis sib xws?
- Qhov ntim ntawm hematoma hauv lub hlwb, qhov hemorrhage.
- Center of ischemia nyob rau hauv lub hlwb vim yog txhaws ntawm lub nkoj los ntawm thrombus lossis embolus.
- Neoplasms thiab cysts ntawm lub hlwb.
Ntawd yog, kev siv MRI yam tsis muaj kev qhia txog qhov sib txawv tso cai rau koj pom cov ntaub so ntswg thiab kev puas tsuaj rau lub hlwb, yog tias muaj.
Kev sib piv MRI angiography tuaj yeem kuaj xyuas ntau yam kab mob:
- aneurysm ntawm cerebral hlab ntsha - saccularprotrusion ntawm nws thinned phab ntsa;
- qhia qhov chaw ntawm lub thrombus lossis embolus hauv ischemic stroke;
- tsis txaus ntseeg hauv cov qauv ntawm cov hlab ntsha;
- qhov chaw nyob thiab qhov ntim ntawm cov qog, vim tias cov ntshav tau nce ntau ntawm qhov chaw ntawm cov qog;
- qeeb lossis nrawm ntawm cov ntshav ntws hauv cov hlab ntsha.
Indications rau MRI
MRI nyob rau hauv hom angiography ntawm cerebral hlab ntsha tsuas yog ua nrog kev coj ntawm tus kws kho mob kom paub meej tias muaj cov kab mob no:
- cerebral atherosclerosis - qhov tso ntawm cov roj plaques rau ntawm phab ntsa ntawm cov hlab ntsha hlwb;
- vasculitis - mob ntawm phab ntsa vascular;
- ischemic lossis hemorrhagic stroke;
- vascular malformations - anomalies nyob rau hauv cov qauv ntawm lub nkoj;
- stenosis ntawm carotid lossis cerebral hlab ntsha - txo qis hauv txoj kab uas hla ntawm lawv cov lumen;
- qhov tshwm sim ntawm kev raug mob lub hlwb;
- thrombosis ntawm venous sinus hauv hlwb.
Kuj, txoj kev no yog siv yog tias tus neeg mob tau mob taub hau ntev, qhov ua rau tsis tuaj yeem txiav txim siab siv lwm txoj kev kuaj mob.
Npaj rau daim ntawv ntsuam xyuas
Tsis muaj kev npaj tshwj xeeb uas yuav tsum tau ua ua ntej ua haujlwm niaj hnub MRI angiography ntawm cov hlab ntsha hlwb. Thiab nyob rau hauv rooj plaub thaum tus kws kho mob sau ntawv MRI nrog qhov sib txawv, ua ntej kev ntsuam xyuas, koj yuav tsum ua raws li qee txoj cai:
- Kev noj zaub mov yuav tsum zam tsawg kawg 10 teev ua ntej kev kuaj mob, vim tias tus neeg sawv cev sib txawv ua rau cov tsos mob tsis zoo nyob rau hauv daim ntawv xeev siab thiabntuav.
- Tus neeg mob yuav tsum qhia tus kws kho mob yog tias lawv tsis haum rau qhov sib txawv.
- Yog muaj kab mob raum, qhov no kuj yuav tsum tau qhia rau tus kws kho mob.
Tam sim ua ntej kev taw qhia ntawm tus neeg sawv cev sib txawv, kev kuaj tsis haum yog ua. Ua li no, tus neeg mob tau txhaj tshuaj subcutaneously nrog me me ntawm cov tshuaj. Tom qab ntawd, tus kws kho mob saib cov tshuaj tiv thaiv ntawm daim tawv nqaij. Yog tias pob khaus, khaus, liab lossis o tshwm sim, nws yuav tsum tsis kam ua qhov sib piv lossis hloov cov tshuaj.
Ua ntej txhua qhov sib nqus resonance imaging, tsis hais seb qhov muaj qhov sib txawv, tus neeg mob yuav tsum tshem cov hniav nyiaj hniav kub, cov khoom hlau. Tsis tas li ntawd, koj tsis tuaj yeem nqa daim npav yas, tsom iav hlau, hluav taws xob mus rau hauv chaw ua haujlwm.
MRI angiography ua li cas?
Tom qab tag nrho cov kev npaj ua tiav lawm, tus neeg mob pw ntawm lub rooj tomography. Thoob plaws hauv kev tshuaj xyuas, nws yuav tsum tau pw tsis tsaug zog, yog li nws txhais tes, ceg thiab lub taub hau raug kho nrog cov hlua khi rau lub rooj.
Yog qhov sib piv, tus kws tu neeg mob txhaj tshuaj ua ntej tus neeg mob pw ntawm lub rooj.
Tom qab lub rooj cia li swb rau hauv lub tshuab luam ntawv, thiab cov duab tau luam tawm. Feem ntau nyob rau lub sijhawm no, cov neeg mob tau ntsib kev ntxhov siab thiab claustrophobia. Lub tomograph yog tsaus heev, thiab lub tshuab nws tus kheej emits ib tug tsis kaj siab rattle. Yog li ntawd, tus kws kho mob yuav tsum sab laj txhua tus neeg mob ua ntej kuaj thiab teb tag nrho nws cov lus nug.
Yog xav tau, taw qhiaPiv txwv li, tus neeg mob muab tso rau hauv ib tug catheter nyob rau hauv lub peripheral leeg. Tus nqi ntawm cov tshuaj yog txhaj los ntawm catheter. Nws sai sai pleev xim rau lub vascular network ntawm lub hlwb. Qhov no tso cai rau koj pom kev hloov pauv hauv cov ntshav, cov duab ntawm cov hlab ntsha, thaj chaw ntawm cov ntshav nce ntxiv. Tej zaum yuav muaj kev tsis xis nyob me ntsis thaum lub sij hawm txhaj tshuaj ntawm qhov sib piv nruab nrab.
Nyob ze yog lwm chav nrog lub khoos phis tawj, tom qab uas zaum tus kws kuaj mob thiab tus neeg teb xov tooj. Ntawm no ntawm cov saib muaj ib txheej-los-txheej tso saib ntawm cov ntaub so ntswg ntawm lub hlwb thiab nws cov hlab ntsha. Raws li txoj cai, tag nrho cov txheej txheem yuav siv sijhawm txog 40 feeb.
Kev ntsuas qhov sib nqus resonance tsis muaj mob kiag li, tsuas yog qhov tsis xis nyob vim yog lub sijhawm ntev tsis tuaj yeem ua tau. Qee lub sij hawm muaj qhov sov so hauv cheeb tsam raug kuaj thiab me ntsis tingling hnov.
YContraindications
Teb cov lus nug tias qhov no yog MRI angiography ntawm cov hlab ntsha ntawm lub hlwb, nws pom tseeb tias lub ntsiab lus ntawm txoj kev yog los tsim ib qho chaw electromagnetic. Tias yog vim li cas lub ntsiab contraindication rau MRI yog qhov muaj cov khoom hlau hauv lub cev (pacemaker, sib koom tes prostheses, insulin twj tso kua mis, dentures, vascular clips). Yog tias MRI ua tib lub sijhawm, tsis yog cov duab zoo nkaus xwb tuaj yeem ua tsis zoo, tab sis lub cuab yeej kuj tuaj yeem tawg.
Lwm yam xwm txheej uas MRI angiography ntawm cov hlab ntsha hauv hlwb yog contraindicated yog teev hauv qab no:
- under 7;
- lub sijhawm cev xeeb tub;
- mob hlwb;
- kab mob neurological uasnrog los ntawm hyperkinesis (tsis yeem txav ntawm lub cev);
- claustrophobia - ib yam mob uas ib tug neeg ntshai nyob rau hauv qhov chaw kaw;
- tus neeg mob tus mob hnyav, vim nws tsis tuaj yeem thauj mus rau chav kuaj mob;
- kab mob raum hnyav yog ib qho kev txwv rau qhov sib piv MRI.
Kev pub niam mis tsis yog contraindication rau kev kuaj. Tab sis yog hais tias qhov kev taw qhia ntawm qhov sib piv yog muab, lactation yuav tsum tau muab tso tseg rau ob peb hnub tom qab ntawd, vim hais tias cov tshuaj yuav kis tau mus rau tus me nyuam nrog rau cov kua mis.
Txoj kev ncaj ncees ntawm txoj kev
Qhov txiaj ntsig tseem ceeb ntawm MRI angiography ntawm cerebral hlab ntsha yog qhov raug siab thiab cov ntsiab lus ntawm kev tshuaj xyuas. Tsuas yog txoj kev no tso cai rau koj pom cov txheej txheem npog nrog cov pob txha.
Ntxiv mus, vascular MRI muaj kev nyab xeeb ntau dua li kev siv lub hlwb angiography siv X-rays.
Gadolinium sib piv, uas yog siv hauv kev sib nqus resonance imaging, muaj kev nyab xeeb kiag li thiab tsis tshua muaj kev tsis haum tshuaj.
MRI angiography ua rau nws muaj peev xwm ua qhov kev kuaj mob twb nyob rau theem pib ntawm tus kab mob, thaum cov kev hloov pauv hauv cov ntaub so ntswg hauv hlwb tau qhia tsawg heev. Qhov no ua rau nws tuaj yeem sau ntawv kho mob sai li sai tau thiab ua rau muaj kev pheej hmoo ntawm kev rov zoo.
Qhov tsis zoo ntawm txoj kev
Txawm hais tias nws muaj ntau qhov zoo, MRI angiography ntawm cerebral hlab ntsha muaj tus lej ntawmCons:
- Yuav kom tau daim duab tseeb, ib tug neeg yuav tsum pw tsaug zog ntau tshaj li ib nrab teev.
- Kev tshawb fawb yog contraindicated rau cov neeg uas muaj tej yam hlau nyob rau hauv lub cev.
- Txawm tias me me, muaj peev xwm ua rau muaj qhov tshwm sim anaphylactic rau qhov sib piv.
Ntau tus neeg mob tau muab tso tawm los ntawm qhov tsim loj heev. Yog li ntawd, tus kws kho mob yuav tsum piav qhia rau tus neeg mob tias lub scanner muaj kev nyab xeeb kiag li.
Cov kws kho mob tham
Tus kws kuaj mob uas kuaj xyuas tsis ua qhov kev kuaj zaum kawg. Nws tsuas yog piav qhia qhov nws pom hauv daim duab. Kev txhais cov txiaj ntsig, lawv qhov kev sib piv nrog lub tsev kho mob thiab cov ntaub ntawv ntawm kev ntsuam xyuas lub hom phiaj yog ua los ntawm tus kws tshaj lij. Yog xav tau kev pab, tus neeg mob tuaj yeem tig mus rau cov kws kho mob tshwj xeeb hauv qab no:
- neurologist;
- neurosurgeon;
- phlebologist;
- angiosurgeon.
Raws li koj tuaj yeem pom los ntawm zaj dab neeg tias qhov no yog MRI angiography ntawm cov hlab ntsha ntawm lub hlwb thiab caj dab, txoj kev tshawb no yog ib txoj hauv kev zoo rau kev kuaj mob vascular pathology, qhov zoo ntawm qhov deb tshaj qhov tsis zoo.
