Uxhumano phakathi kwe-Amyloid Angiopathy neStroke
Iimeko ezibizwa ngokuthi i-amyloid angiopathy idla ngokuxhatshazwa ngesifo. I-angiopathy yama-Amyloid i-accumulation of fragments kwiipilisi zegazi. Ngokuqhelekileyo, ubukho be-amyloid ebuchosheni bunxulumene nesifo se-Alzheimer, isifo sika-Parkinson kunye neentlobo ezininzi zeengqondo.
Nangona kunjalo, i-amyloid buildup kwingqondo inokuchaphazela nemithambo yegazi, eyenze ibe yintlupheko kwaye ikwazi ukuphuma igazi.
Oku kuphumela ekuphumeni kwegazi kwingqondo, edla ngokubizwa ngokuba yi- stroke okanye i-intrarebral hemorrhage.
Uphawu
Iimpawu ze-angiopathy ze-amyloid ziyahlukahluka kuxhomekeke kwimimandla yegazi ephuma ngayo kunye nokuba imilambo yegazi ephosakeleyo iphuma njani. Xa kukho inani elincinci lokulapha, kunokungabi nampawu nakwezinye.
Ukuba iipasiti eziphaphayo zivela rhoqo, iimpawu ziqala ukubonakala. Kwezinye iimeko, iimpawu zingenangqiqo, kubangela ukulahleka kweememori okanye ukusilela kumsebenzi wobuchopho, njengombono onqabileyo. Xa kukho indawo enkulu yokuphuma kwamanzi, oku kungabangela iimpawu ezinkulu ze-neurological ezibandakanya i-hemiparesis, i-hemiplegia, ukulahleka kwengqondo, kunye nokuxhwaleka.
Izinto zobungozi
Imiba yengozi yokuphucula i-amyloid angiopathy ayiqondwanga ngokupheleleyo ngolu hlobo lwezonyango kuluntu. Into ecacileyo yengozi ibonakala ibudala, njengoko i-deposy amyloid ifunyanwa ngokuqhelekileyo kubantu abaneminyaka engaphezulu kwama-55 kunabantu abaselula.
Kubonakala kubakho ubudlelwane bokuzalwa kunye ne-angyopathy yama-amyloid, kodwa abantu banokuphuhlisa ingqondo ye-amyloid ngaphandle kwimbali yentsapho yaloo mqathango.
Izizathu
Iimali zokugcina i-Amyloid zingabuthelela ngaphakathi kweendonga zemithambo yegazi kwingqondo. Oku kubizwa ngokuba yi-amyloid angiopathy.
Ukuqokelela i-amyloid kunokubangela ukuba imivenge yegazi ihlahloke ngokuhamba kwexesha, de ibe ekugqibeleni ihlahle ize ichithe.
I-Amyloid iye yadibaniswa nokuvuvukala, yindlela yomzimba yokujongana naluphi na ukulimala okanye isifo. Ukuvuvukala, ngokukodwa okungabalulekanga okanye ukuvuvukala ngokugqithiseleyo, kudibaniswa nesifo.
Ngokuqhelekileyo, ukuphuma kwamanzi okubangelwa yi-amyloid angiopathy incinci kakhulu, ichaphazela imithana encinci yegazi. Iindawo ezincinci zokukhupha zibizwa ngokuba yi-petechial i-hemorrhages, kwaye zineendlela ezibonakalayo kwi-Brain CT okanye kwi-Brain MRI.
Esinye sezibonakaliso ze-intrarebral hemorrhage (ukuphuma kwintsholongwane ebuchosheni) obangelwa yi-angiopathy ye-amyloid, yinto eyenzeka ngokuqhelekileyo kwiindawo ezikufutshane nomphezulu wengqondo, ekusasazweni okubizwa ngokuthi "lobar".
I-angloopathy yamayidiyimu ingakhokelela kwimimandla emikhulu yokuphaphaza engqondweni, enokuba yingozi yokuphila.
Ukuxilongwa
Indlela enokuthenjelwa esetyenziselwa ukuxilonga i-angiopathy ye-amyloid yi-biopsy yengqondo, leyo ayiyona inkqubo efanelekileyo. I-brain biopsy yinkqubo yokuqapha ebeka umngcipheko wegazi kunye / okanye usulelo. Ngoko ke, i-biopsies ayenziwanga ngaphandle kokuba iyimfuneko.
Ugqirha wakho unokukwazi ukusebenzisa ifom ye-MRI ebizwa ngokuthi "i-gradient echo" (GRE) ukufumana ezinye izikhokelo ezinokukunceda ukuba wazi ukuba unayo i-angiopathy ye-amyloid.
Olu luvavanyo olusebenzayo olufumana ukuphuma kwegazi kwingqondo. I-GRE iyakwazi ukubona iindawo ezinkulu okanye ezincinci zokuphuma kwamanzi ezenzeke iiyure okanye iminyaka ngaphambi kokuvavanywa. Ukubonakala kwe-angiopathy ye-amyloid kwi-GRE ibizwa ngokuqhelekileyo ngokuthi "i-cortical cerebral microbleeding".
Unyango
Xa kuphuma igazi kwingqondo, unyango lwe-intracerebral hemorrhage ngenxa ye-angiopathy ye-amyloid ayifani nonyango lwe-intracerebral hemorrhage ngenxa yeso nasiphi isizathu.
Okokuqala, ukuba ukuphuma kwegazi kubangela ukwanda kwe-intrarebral pressure (ICP), ukusuka ekuvupheni okanye ekumanyameni, iqela lakho lokunakekelwa kwesifo soxinzelelo lungadinga ukuhlinzwa ngokukhawuleza okanye kuphunyelele ezinye iindlela zokunciphisa uxinzelelo.
ukusuka kwi-swellimg Iqela lakho lezonyango lingakunika kwakhona amayeza anqanyanyiswayo ukwenzela ukuthintela ukuthintela, okungabangela ukuphuma kumbilini.
ILizwi
Ngeli xesha, akukho nto enokuyenza ukuze iguqule inkqubo ye-protein ye-amyloid. Ukuba uye wafumanisa ukuba unesi sifo, kufuneka ugcine uxinzelelo lwegazi oluqhelekileyo kwaye ugweme igazi, njenge-aspirin okanye i-plavix, njengoko oku kunokwandisa umngcipheko wokuphuma kwegazi.
> Imithombo:
> Iimpembelelo ze-Neuropsychological Angiopathy ye-Cerebral Amyloid, i-Schrag M, i-Kirshner H, i-Curr Neurol neurosci Ingxelo ye-2016 Aug; 16 (8): 76