Kurwadza ndiko kukuvadza kune chikamu cheuropi nekuda kwekushaya kukwana ropa. Pane zvikonzero zvakawanda zvekurova.
Kukosha Kwekuwana Kuwedzerwa Kwechiropa Zvakakwana muBongo
Chikonzero chinonyanya kukosha chekurohwa ndekuvhara ropa kweropa mukati memudziyo wega muuropi. Mishonga iri mumutsipa uye muuropi inopa ropa kuuropi kuti irambe ichishanda.
Iri ropa rinobudisa oksijeni nemichero inofanirwa kuti uropi hugadzire simba rehupenyu hwechimiro inofanirwa kushanda zvakanaka.
Kana Ropa Ruchiyerera KuBongo kunoparadzaniswa
Apo ropa rinopinda mukati memvura midziyo rakavharwa, nzvimbo iri pedyo yeuropi inorega oksijeni uye zvinokosha zvinovaka muviri. Izvi zvinonzi ischemia. Izvozvo zvinowanzoitika ndezvokuti kushaya kweropa kunoita kuti zvive nyore kune nzvimbo yakakanganiswa yeuropi kushanda. Kana kushayikwa kweropa kunopfupika, uye kunodzorerwa, chirwere chinodzokorora, chinonziwo TIA kana kuti mini-stroke ichagadziriswa. Kana kuyerera kweropa kusakurumidza kudzorerwa, kukuvara kuchava kwakanyanyisa- zvichida kusingagumi, zvichiguma nekurohwa.
Ropa Rwakaparadzaniswa sei?
Ropa Clot
Kukanganiswa kweropa kunogona kuitika nekuda kweropa, iyo inonzi thrombus kana inogumbusa. Izvi zvinokonzera chirwere cheschemic .
Thrombus
I-thrombus ndiyo inenge isina kukwana kana yakakwana yokuvhara arteri inokonzerwa neropa.
Embolus
Chibvumirano ivhavha yeropa iyo inotanga kuumba mumusere, uye inosunungura uye inofamba kusvikira yasvika muyiti muuropi, zvichikonzera kuvhara uye kukanganisa muuropi.
Hemorrhage
Chimwe chikonzero chekurohwa ndiko kubuda ropa pauropi. Kana ropa resimbi richibvamburwa, ropa rinodonha kunze, zvichikonzera kutsamwiswa kumapfupa ehupi ari pedyo.
Apo chirwere cheropa chinoparadzaniswa uye kurasikirwa kweropa kunowanikwa, kunewo kukwana kwekuwedzerwa kweropa kune chinangwa chinenge chiripo muuropi. Sitiroko inokonzerwa nokubuda ropa kubva kune chidimbu chinoputika kana kuti chakadonha ropa ndiro chirwere chinopisa .
Hypoperfusion
Kutsika ropa kuhuropi ndicho chikonzero chisingaiti chikonzero chekurohwa. Apo ruzivo kana ropa romuviri mumuviri rakanyanyisa pasi, uropi hahugoni kuwana ropa rakakwana. Kunyange zvazvo pasina ropa rinogadziriswa panguva ino, uropi hunotambura nokuti nzvimbo dzouropi dzinowanzogoverwa nekuwedzera kwemadiki emagetsi emagetsi anenge asingagoni kuwana ropa rakakwana. Dambudziko rinokonzerwa neropa rakaderera rinowanzoti "waterhed stroke". Dzimwe nzvimbo dzouropi dzinowanzosvibiswa nemhepo.
Zvinowanzokonzera Sitiroko
Cerebral Causes of Stroke
* Aneurysm- iyi inoputika ye ariti. An aneirysm inogona kuora kana kuparara, zvichikonzera kuora ropa.
* AVM / arteriovenous malformation-iyi iboka risina kunaka remidziyo yeropa, inowanzo ine arteri uye mitsipa. Mukana weAVM unogona kuputsa kana kuumba tsrombus, zvichikonzera chirwere chinopisa kana chirwere cheschemic.
* Vasospasm- iyi ndiyo iyo arteri inokurumidza kupararira, inoparadza ropa richiyerera uye ichikonzera ischemia kunyange musipo kwekuvhara ropa.
Cardiac Zvinokonzera Stroke
* Arrhythmia-zvisina kumira rhythms uye zvisina kuchena mwoyo miviri yakadai sekusaremekedzwa kwehutachiona hwehutachiona hunogona kukurudzira kuumbwa kweropa rekuvhara uye kunokonzera kubatana kuenda kuuropi.
* Kurwisa kwemwoyo - kunogona kukonzera kuti mvura yakasviba inoparara kana kuti inogona kuita kuti chikwata chiende kune uropi.
* Carotid Arteri Disease - ichi chirwere uye kuvhara mukati memidziyo yeropa iri mumutsipa unopa uropi. Chibvumirano chinobva mumariti carotid kana kuvharwa kwechiroti inonzi carotid inogona kukonzera chirwere.
* Kuwedzera kwehutano-izvo zvinoita kuti zvirwere zvive nehutachiona, zvirwere zvechirwere uye chirwere chemwoyo.
Uyezve, zvikamu zvinokonzera kushungurudzika zvepfungwa yepamusoro zvinogona kukonzera vasospasm kana kuparara kweine aneurysm.
Zvinokonzera Zvinokonzera Stroke
* Kutengesa-kunogona kuitika nekuda kweropa rakakura kurasikirwa kana kupera simba, zvichiita kuti hypoperfusion yeuropi uye mvura yakasvibiswa.
* Mishonga-mishonga inokonzera kuvhara ropa, kubuda ropa kana kukonzerwa neropa kunogona kutungamirira kune chirwere.
* Zvinodhaka-zvinodhaka zvisina kutenderwa zvakadai secocaine, methamphetamine, nezvimwe zvinokonzera simba zvinogona kukonzera vasospasm chero upi noupi mumuviri. Izvi zvinogona kukonzera chirwere chemwoyo, chirwere chepamusoro nekuda kwevasospasm ye-cerebral arteries, kana kubudiswa kweropa ravha rinogona kuenda kuuropi, zvichikonzera chirwere.
* Dambudziko rekudzivirira ropa - rinogona kukonzera kuwedzera muropa rekuvhara ropa kana kuwedzera mukubuda ropa.
* Kutapukisa - kunogona kuchinja ropa remuviri kana kukanganiswa kwekubuda ropa, zvichiita kuti kuve nehuprombus, kubatana kana kupisa ropa. Muzviitiko zvisingawanzoitiki, mhuka inotapukira inogona kuvhara ropa mumudziyo, zvichiita ischemia.
* Kukuvadza-kunogona kuita kuti kuwedzerwa ropa kuwedzere.
* Kubatana kwemweya-inobhururuka yemhepo inoenda kune uropi kubva pane imwe nzvimbo mumuviri, kudzivisa ropa mumudziyo, nekukonzera chirwere.
Sources
Weiner, William J., Goetz, Christopher G, Neurology kune Wasiri Neurologist, Fifth Edition, Lippincott Wiliams & Winkins, 2004
Martin Samuels naDavid Feske, Office Practice of Neurology, 2 nd Edition, Churchill Livingston, 2003