Cerebral arteriovenous malformation yog ib yam kab mob uas tshwm sim nyob rau hauv lub hauv paus paj hlwb ntawm cov hluas. Nws yog congenital abnormality ntawm vascular kev loj hlob. Cov ntaub so ntswg hypoperfusion, siab venous siab, ua rau cerebral ischemia ncua kev ua haujlwm tsis zoo thiab cov hlab ntsha tsis zoo rupture thiab los ntshav, uas tuaj yeem ua rau muaj kev phom sij rau lub neej. Qhov xwm txheej ntawm lub paj hlwb arteriovenous malformation yog 0.01 feem pua ~ 0.5 feem pua . Feem coob ntawm cov neeg mob uas muaj cerebral arteriovenous malformation tshwm sim ua ntej hnub nyoog 40. Kev tshwm sim thiab ua rau tuag thiab tsis taus.
Raws li kev txhim kho txuas ntxiv thiab kev siv cov khoom siv cuam tshuam embolic tshiab, LavaTM Liquid Embolic Systemtau ua micro-invasive endovascular embolization dav siv hauv kev kho mob. Kev xaiv ntawm cov khoom siv embolic yog qhov tseem ceeb rau cov nyhuv embolization. Ib qho khoom siv zoo tshaj plaws embolic yuav tsum muaj:
① Cov khoom siv yog kua thiab yooj yim dhau los ntawm lub microcatheter slender.
② Yooj yim los tswj thiab txhim kho zoo.
③ Nws tuaj yeem ua kom lub sijhawm ntev txaus los tiv thaiv cov kab mob arteriovenous malformations yam tsis ua raws li lub raj.
④ Lub diffusibility zoo dua, nws tuaj yeem diffuse los ntawm cov hlab ntsha kawg mus rau capillary, thiab nws tsis nchuav rau hauv cov leeg.
⑤ Cov nyhuv Embolization yog qhov ruaj khov, tsis muaj qhov tshwm sim rov ua dua.
⑥ Tsis muaj tshuaj lom, tsis muaj tshuaj lom neeg, tsis muaj tshuaj tiv thaiv kab mob hlwb.
⑦ Ib qho yooj yim phais resection tom qab embolization.
Raws li cov yam ntxwv saum toj no, LAVA yog siv rau embolization ntawm cerebral arteriovenous malformations.