I-MRI ye-Diffusion-Weighted
I- MRI enesisindo (imaging magnontic resonance) i uhlobo lokulandelana kwe-MRI olusetshenziselwa ukukhomba izindawo zelungu, njengebuchopho, obusanda kulimala noma ukulimala, ngokuvamile ngenxa yesifo .
Ukushaya isisu kungabangelwa yi-ischemic stroke (lapho i-clot ivimbela ukugeleza kwegazi ebuchosheni) noma ngesifo esibi kakhulu (lapho isitsha segazi siphula, ukuvimbela igazi ukugeleza ukuya ebuchosheni.
Ukuhlaselwa kwe-ischemic okudlulayo, noma "ukushaya okuncane," kubangelwa i-clot yesikhashana.
Imiphumela ye-Stroke
Uma ukushaywa komzimba kwenzeka futhi ukugeleza kwegazi akukwazi ukufinyelela endaweni elawula umsebenzi othile womzimba, leyo ngxenye yomzimba iyeka ukusebenza ngendlela efanele. Uma lesi sigameko sibheka ngemuva kwengqondo, isibonelo, kungenzeka ukuthi amanye amazinga wombono azophelelwa amandla.
Imiphumela yecroke ixhomeke ezintweni eziningana, kufaka phakathi indawo yokuvimba kanye nokuthi izicubu zobuchopho zithinteka kanjani. Kodwa-ke, ngoba olunye uhlangothi lobuchopho lulawula uhlangothi oluhlukile lomzimba, isifo esihlasela ohlangothini olulodwa sizoholela ezinkingeni zezinhlangothi ezihlangothini lomzimba ezithinta. Isibonelo, uma ukushaywa komzimba kwenzeka ngakwesokunene sobuchopho, ohlangothini lwesobunxele lomzimba (nohlangothi lwesobunxele buso) luzophazamiseka, oluzokhiqiza noma yikuphi okulandelayo:
- Ukukhubazeka ngakwesokunxele komzimba
- Izinkinga zembono
- Isitayela sokuziphatha esisheshayo, esiphuthumayo
- Ukulahlekelwa kwememori
Uma lesi sigameko senziwa ngakwesokunxele sobuchopho, ohlangothini lwesokudla lomzimba luzophazamiseka, ukukhiqiza ezinye noma zonke ezilandelayo:
- Ukukhubazeka ngakwesokudla komzimba
- Izinkinga zokukhuluma / zolimi
- Izithambile, isitayela sokuziphatha esilula
- Ukulahlekelwa kwememori
Uma isifo sihlasela ebuchosheni, ngokuya ngobuhlungu bokulimala, kungathinta zombili izinhlangothi zomzimba futhi kungashiya umuntu 'esimweni esivinjelwe'.
Uma isimo esivinjelwe ngaphakathi, isiguli ngokuvamile asikwazi ukukhuluma noma ukufeza noma yikuphi ukunyakaza ngaphansi kwentamo.
I-MRI ye-Diffusion-Weighted
I-MRI ehlukunyeziwe iyaziwa nangokuthi i-DWI MRI noma i-DWI Ukulandelana. Ngesikhathi se-MRI esine-broadcast, umshini we-MRI usetshenziselwe ukubona imingcele emincane ekuhambeni kwamakhemikhali amanzi ngaphakathi kwezimo ezimele. Lezi zinguquko ezincane, ezivame ukubizwa ngokuthi "izindawo zokusabalalisa okukhawulelwe," ziyatholakala ngomshini we-MRI futhi ekugcineni zibonakala njengamabala aqhakazile ngaphakathi kwesigungu esiphenywe.
Izindawo ze-stroke ezinzima zibukeka njengezindawo ezikhanyayo ku-DWI MRI.
I-DWI yindlela engcono yokucabanga ngendlela kune-MRI ejwayelekile ekutholeni izilonda zesischemic zakuqala ezigulini ezihlaselwa. Ekucwaningeni kwe-MRI eline-diffusion, abacwaningi baphetha ngokuthi i-DWI iyindlela engcono kakhulu yokucabanga nge-MRI ejwayelekile ekutholeni izilonda zesischemic zakuqala ezigulini zesifo sohlangothi. Usayizi we-lesion njengoba kulinganiswa ngezilinganiso ze-DWI yiziminganiso ezingenzeka zokubikezela imiphumela yomtholampilo ezigulini ezinzima zokushaya.
Inkomba:
I-American Stroke Association.