Zida zing'onozing'ono zowongolera ma endoluminal, zomwe zimadziwikanso kuti FREDs, ndizomwe zimatsogolera pakuchiza matenda a aneurysms.
FRED, chachidule cha endoluminal flow flow device, ndi zigawo ziwirinickel-titaniyamu mawaya chubu opangidwa kuti azitsogolera magazi kudzera mu ubongo aneurysm.
Aneurysm ya muubongo imachitika pamene gawo lofooka la khoma la mtsempha limatupa, ndikupanga chotupa chodzaza magazi. Ikasiyidwa popanda chithandizo, mtsempha wotuluka m'magazi kapena wophulika uli ngati bomba lomwe limatha kuyambitsa sitiroko, kuwonongeka kwa ubongo, chikomokere, ndi kufa.
Kawirikawiri, madokotala opaleshoni amachitira aneurysms ndi njira yotchedwa endovascular coil. Madokotala ochita opaleshoni amalowetsa microcatheter kudzera mumtsempha waung'ono wa mtsempha wa chikazi mu groin, amaupereka ku ubongo, ndi kumangirira thumba la aneurysm, kulepheretsa magazi kuyenda mu mitsempha. Njirayi imagwira ntchito bwino kwa aneurysms ang'onoang'ono, 10 mm kapena kuchepera, koma osati kwa aneurysms akuluakulu.
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"Tikayika koyilo mu aneurysm yaying'ono, imagwira ntchito bwino," adatero Orlando Diaz, MD, katswiri wodziwa za neuroradiologist ku Houston Methodist Hospital, komwe adatsogolera mayeso achipatala a FRED, omwe adaphatikizapo odwala ambiri kuposa chipatala china chilichonse. chipatala ku USA. USA. Koma koyiloyo imatha kupindika kukhala mtsempha waukulu kwambiri. Ikhoza kuyambitsanso ndikupha wodwalayo. ”
Dongosolo la FRED, lopangidwa ndi kampani yazachipatala ya MicroVention, imawongolera kutuluka kwa magazi pamalo a aneurysm. Madokotala ochita opaleshoni amalowetsa chipangizocho kudzera mu microcatheter ndikuchiyika pansi pa aneurysm popanda kukhudza mwachindunji thumba la aneurysmal. Pamene chipangizocho chikukankhidwira kunja kwa catheter, chimakula ndikupanga chubu chopindika.
M'malo motsekera mtsempha wamagazi, FRED nthawi yomweyo adayimitsa kutuluka kwa magazi m'thumba la aneurysmal ndi 35%.
"Izi zimasintha hemodynamics, zomwe zimapangitsa kuti aneurysm iume," adatero Diaz. “Pakatha miyezi isanu ndi umodzi, umafota ndi kufa wokha. Makumi asanu ndi anayi pa zana aliwonse a aneurysms apita. "
Pakapita nthawi, minofu yozungulira chipangizocho imakula ndikutseka aneurysm, ndikupanga chotengera chatsopano chokonzedwanso.