An ischemic stroke rudzi rwechirwere chinokonzerwa nokushayikwa kweropa kuuropi. Izvi zvakasiyana nedambudziko rekushaya ropa , iro rinokonzerwa neropa muuropi. Inenge 70-80% yezvitsva zvinonzi ischemic strokes, asi dzimwe shamhu dzine ischemic uye inokonzera zviratidzo, uye zvimwe zvinopisa.
Ischemia inogona kuitika chero chikamu chemuviri, kusanganisira uropi, apo ariti inopa nzvimbo yomuviri neropa inodzivirirwa neropa rekuvhara kana kuparadzwa nenzira inopesana neropa.
Ropa rinopfurikidza nemaritiro rinotakura masero matsvuku eropa anounza okisijeni kumasero ari pedyo. Ropa rinoyerera nemaritiro rinopawo mvura, zvimiti, uye maminera kune masero ose ari mumuviri, pavanenge vachibvisa zvakasvibiswa zvisikwa. Nokudaro kukanganisa kweropa kune migumisiro yakakomba nokuti yese sero mumuviri inoda oksijeni, mvura, zvinovaka uye minerals kuti igare. Ischemia inogona kuitika mune chero chikamu chemuviri, uye kana ichiitika muuropi, inonzi chirwere cheschemic.
Kukuvadza Kunokonzerwa neIschemia inonzi Infarct
Kazhinji kana ischemia inotora kwemaminitsi mashomanana, kuipa kwehupenyu hunochinja kuitika. Izvi zvinoshanduka kwehupenyu hwemagetsi zvinokanganisa uropi kuburikidza nehutano hunoshandiswa sehutachiona, kana husingaiti. Uropi hunokonzerwa nehutano hwekushanduka kwehutano uye basa hwemasero europi. Kuchinja kunobudiswa nekuvhiringidza uye kusunungurwa kwezvinokonzera zvinokuvadza masero, pamwe nekubudiswa kwemvura yakanyanya kunokonzera kubwinya, uye kuchinja mumidziyo yeropa.
Nguva yenguva yemakemikari yekukuvadza kweuropi inoputika inotangira mukati memaminitsi mushure me ischemia, inowedzera mukati maawa mashomanana uye inoenderera mberi kukura kupfuura maawa 24-48. Pakupedzisira, kukuvara kwakasimba kwechigarire kunogona kuitika munzvimbo yakakanganiswa yeuropi kana ropa richiyerera risati radzorerwa. Nokudaro, kuonekwa nokukurumidza kwechirwere chechirwere uye kukurumidza kurapwa kunogona kuchengetedza hupenyu uye kudzivirira kuremara kwakakomba kubva kune chirwere.
Apo nharaunda yeuropi inotarisana nehutachiona, vanhu vanoona zviratidzo zvehutano nekuda kwekurasikirwa kwebasa reharaunda isina simba yeuropi. Izvozvo zviratidzo zvepfungwa zvinokonzerwa nenzvimbo yakakanganiswa yeuropi .
Zvenguva zvfupi zvitsvakurudzo zvesayenzi zvakabvumira madaktari kunyatsocherechedza nekunyatsonzwisisa nzira ye ischemia, iyo inobatsira pakuvandudza kurapwa kwakanakisisa kwekuchengetedzwa kweurosi kune varwere vanorwara. Kutsvakurudza munharaunda yekudzivirira neuroro neuro kunogona kuendesa kune nzira dzekudzikisa kana kutobvisa kukanganisa kunokonzerwa nekurohwa.
Temporary Ischemia
Apo ischemia inowanzoitika, uye inokurumidza kudzoka, vanhu vanoona chirwere chenguva pfupi, chinowanzoidzwa se mini-stroke. Izvi zvinonzi kushandiswa kwechirongwa cheschemic , kana TIA, nokuti ischemia inongogara kwenguva refu uye haigari kwenguva yakakwana yekukonzera kusagadzikana kusingaperi. Zvisinei, kana iwe uine TIA, zvakakosha kuziva kuti ichi chiratidzo chokunyevera chinoratidza kuti uri pangozi yekurohwa, uye kuti uwane kurapwa pakarepo .
Zvinhu zvinotyisa
Zvimwe zvinokonzerwa nechirwere cheschemic zvinosanganisira chero chirwere chinowedzera kukonzerwa nekusasa kwemazimbe ekudzivirira ropa kana chero chirwere chinokanganisa kamuri mukati memakoto muuropi (cerebral arteries), inoita kuti vagone kuvhara.
Chirwere chepfungwa, cholesterol yakakwirira , kusvuta , chirwere chinonzi cerebrovascular, chirwere chepfungwa , chirwere cheshuga chisina kunaka uye kuvhara ropa-zvose zvinokonzera ngozi kune ischemic stroke.
Kurapa kwechischemic stroke
Kurapa nekukurumidzira kwechirwere cheschemic kunosanganisira kuchenjerera nekucherechedza uye kutungamira kwehushonga weropa uye shuga yeropa uye pamwe kutungamirirwa kwevanhu vane simba rakanyanya ropa . Kurapa kwenguva refu kwechirwere cheschemic kunosanganisira kuchengetedza zvakakwana kuwedzerwa kweropa, kutarisa kwepfungwa yemwoyo, kutapukidza kwehuga kweropa, kuderedza cholesterol uye zvichida kutora ropa vadziviriri kuti vadzivirire kukura kwekukuvadza ropa.
Mimwe miitiro , yakadai sekudya , kuita muviri uye kusvuta kunogona kuchinja zvikuru mukana wekushaya sitiroko.
Sources:
Kurapa kwehutano hwehuropi mukufungidzira mune zvirwere zvakasimba zvechirwere chevarwere, Von Kummer R, Dzialowski I, Gerber J, Journal of Neuroradiology, November 2014
Nguva yekufa neuronal inotevera endothelin-1 induced focal ischemia mumakonzo, Nguemeni C, Gomez-Smith M, Jeffers M, Schuch CP, Corbett D, Journal of Neuroscience Methods, January 2015