I-Carotid umthambo we stenosis yenye yezinto ezibangela ukubetha. Ukuba uye watshelwa ukuba une-starotic artery carotid, unokuxelelwa ukuba kufuneka ube nenkqubo yokungenelela ekunciphiseni umngcipheko we-stroke, okanye unokuxelelwa ukuba kukulungele ukubukela nokulinda.
Ziziphi iArriotri Arteries?
Iimitha ze-arrijini zithwala i-oksijini enegazi elityebileyo kunye nezondlo kwiindawo ezahlukahlukeneyo zomzimba.
Iimitha ze-carotid eziqhelekileyo zimbini zeempawu zegazi ezibalulekileyo eziphethe igazi kwingqondo. Kukho ezimbini iirarodi eziqhelekileyo, enye kwicala ngalinye.
Iimitha ze-carotid eziqhelekileyo kunye nekhohlo eziqhelekileyo ziyi-arriotri enkulu ephuma nganye ibe yimithambo emincinci, kuquka i-artery carotid yangaphakathi, i-artery carotid yangaphandle kunye ne -artery cerebral . Ngayinye yale mibhobho emincinci inika igazi kummandla wengqondo, intloko okanye ubuso.
Yintoni iCarotid Artery Stenosis?
I-stenosis ithetha ukunciphisa. Xa enye yamarriyiti e-carotid iba yincinci ngaphakathi, oku kunokunciphisa ukuhamba kwegazi ukuya kwingqondo. Ngokuqhelekileyo, ukunciphisa akukona nje ukunyanzeliswa ngokukhawuleza ngaphakathi kwintsimbi. Ukunciphisa kubangelwa i-builddup of irregular debris ngaphakathi komzobo we-carotid. Ukongezelela ekunciphiseni ukuhamba kwegazi, i-debris ingakhupha kwaye ikhusele isitya esincinci segazi ngaphakathi kwengqondo, ebangela ukuba uhlangothi lwe-ischemic .
Yintoni ebangela iCarotid Artery Stenosis?
I-atherosclerosis iyisifo sesitya segazi esichazwe yidiphozithi yamanqatha kunye neenkunkuma ezidongeni zeendonga zegazi, ezikhokelela ekunciphiseni phambili kokuvula igazi. I-atherosclerosis ibangelwa lixesha elide legazi, isifo senhliziyo kunye ne- cholesterol ephezulu kunye namafutha amanqanaba .
Abanye abantu baphinde bahlaziywe kwi-atherosclerosis.
Ezinye izinto ezingaqhelekanga ezinokubangela ukunciphisa nokunyuka kwegazi kwiimitha ze-carotid ziquka i-thrombus (i-clot yegazi), i- carotid dissection , i-arteritis kunye ne- fibromuscular displasia .
Ziziphi iimpawu zeCarotid Artery Stenosis?
Uninzi lwexesha, i-carotid artery stenosis ayivelisi nayiphi na impawu. Ugqirha wakho unako ukuva isandi se-starotic stereosis ngokuphulaphula imithana yegazi entanyeni yakho nge-stethoscope. Olu vavanyo, olubizwa ngokuba yi-carotid auscultation, lunye lweemvavanyo eziqhelekileyo ukuba ugqirha wakho uhlola ngethuba lonyaka wakho wenyama . Ngamanye amaxesha, i-carotid stenosis ayivelisi isandi esingaqhelekanga esingafunyanwa ngongoma.
I-Carotid i-stenosis ye-Carotid inokubangela ukuhlaselwa kwe-mini-stroke, eyokuhlaselwa kwe-ischemic (TIA.). I-TIA ifana ne-stroke, ngaphandle kokuba iphucula ngokupheleleyo ngaphandle kokubangela umonakalo ongapheliyo. Izibonakaliso ze-TIA zibandakanya ukungqinwa okanye ubuthathaka obusweni, ingalo okanye umlenze, ukuthetha ingxaki okanye ukutshintsha embonweni. Ukuba unayo i-TIA, oko kukho uphawu lokuba usemngciphekweni wesifo. I-TIA yona mqondiso oqhelekileyo we-carotid artery stenosis.
Ngaba kukho uvavanyo lweCarotid Artery Stenosis?
Kukho iimvavanyo ezimbalwa zengcamango ezingachaza indawo ye-carotid artery stenosis kwaye inokumisela ubunzima be-stenosis.
Ezi mvavanyo ziyi-carotid ultrasound, intamo ye-MRA kunye nentamo ye-CTA. Mhlawumbi kufuneka ukuba ube neyodwa yezi mvavanyo ze-imaging, kwaye iziphumo ziza kudlala indima enkulu ekuqaliseni isicwangciso sonyango esona siphumo sakho.
Yintoni Ongayenza Ngayo I-Carotid Artery Stenosis?
Oogqirha bathatha i-starotic stereosis kakhulu, ngokukodwa xa unempawu ze-TIA.
I-Carotid umthambo we-stenosis unokulungiswa ngenkqubo yokucoca ebizwa ngokuthi i- endarnetic endarterectomy. Izikhokelo zokuhlinzwa kwe-carotid stenosis zibonisa ukuba abantu abaye bafumana iimpawu kunye nabangenani ubuncinane be-70% yokunciphisa enye imiraro ye-carotid yangaphakathi kufuneka bathathwe ngabaviwa abafanelekileyo kwi-carotid stenosis.
Le nkqubo inokunciphisa kakhulu umngcipheko wesifo esizayo.
Nangona kunjalo, i-endarterectomy ye-carotid ayiyona isisombululo esihle kunabo bonke abantu abane-carotid stenosis. Ukuba ungeke ukwazi ukunyamezela unyango ngenxa yempilo yezempilo, ngoko ugqirha wakho unokuncoma ngokukhawuleza ukuba ulandele ummandla we-stenosis okanye unokuncoma inkqubo eyahlukileyo yokulungisa indawo ye-stenosis. Kukho ezinye iinkqubo ngaphandle kwe-endaroredi endarterecomy engafaneleka ngakumbi kwabanye abantu, kwaye enye yale nkqubo ingaba yinto enhle kuwe.
Ulungiswe nguHeidi Moawad MD
> Imithombo:
> Ngokukhawuleza kunye nokulibaziseka unyango lwe-stenosis ye-carotid ye-carotid yamva nje .Vasconcelos V, uCassola N, da Silva EM, iBabtista-Silva JC, iDochrane Database Syst Rev. 2016 Sep 9; 9: CD011401.