Chii Chinonzi Pons?
Pons inzvimbo yeuropi iri mu brain brain. Iyo pons isiri duku, uye inowanikwa muchikamu chezasi cheuropi, ichibatanidza cerebral cortex ne medulla oblongata. Iyo pons ine mitsipa uye northe maturakiti (pathways) anobatanidza huropi hunoita sekufambisa uye kunyeerera kwemashoko pakati peuropi nemuviri.
Iyo pons inobatanidzawo kuenzanisa mumusoro, mumutsipa uye mumuviri uye inotanga basa rinokosha mukufamba kweziso, kurara, kurota, kupera, kumedza, kufema, uye kushaya mwoyo.
Mune zvesayenzi, pons dzimwe nguva inozivikanwa sehindbrain, zita rinowanikwa pane nzvimbo yepons maererano nehupi hwose hweuropi panguva yekuvandudzwa kweuropi mu embryo (kukura mwana.)
Zvinokonzera
Chirwere chinosanganisira pons chinogona kukonzerwa negazi ropa (ischemic stroke) kana kubuda ropa (chirwere chinoputika.)
Chirwere chinonzi ischemic chinowanikwa apo ropa rinogadzirwa, rinovhara ropa richiyerera kuburikidza neyeri kune imwe nzvimbo muuropi. Chirwere chinokonzera ropa chinowanikwa kana ropa rinoputika, kuderedza kana kuderedza kubuda kweropa kune imwe nzvimbo muuropi.
Pasinei nokuti chirwere chinonzi ischemic kana chirwere chinopisa, kana ropa richipiwa kune imwe nzvimbo yeuropi ikanganiswa, masero europi anotanga kufa, zvichiita kuti uropi huparadze .
Kubuda ropa kunogona kukonzera kukanganisa nekuda kwekumanikidzirwa nekutsamwiswa kune zvivako zvehuropi zviri pedo.
Izvo zvepanyama uye zvinyatsozivikanwa (kuyeuka, kufunga) mano anodzorwa nenharaunda yeuropi apo kurohwa kunoitika kunoitika. Kuwanda kwekukuvara kunoenderana nenzvimbo uye ukuru hwekurohwa.
Muzviitiko zvisingawanzoitiki, chirwere chinosanganisira pons, chinowanzonzi pontine stroke, chingava chikonzero chekukuvadza kune ariti inokonzerwa nekukanganisika musoro kana mutsipa. Izvi zvinogona kuitika nokuti mishonga yeropa iyo inopa ropa kune pons uye yose ye brain brain iri mushure memutsipa, uye inogona kukuvadzwa semugumisiro wemutsipa unotambudza kana kuitika kamwe kamwe kana kufamba kwemusoro kana mutsipa.
Zviratidzo
Kurohwa kunoitika mumaponi kunogona kukonzera zviratidzo zvakasiyana-siyana zvakakomba, pasinei nenzvimbo duku yekukuvara kunobatanidzwa.
Zvimwe zvezviratidzo zveprotine stroke zvinosanganisira kusanganiswa kweizvi:
- Kuenzanisa kunetseka
- Vertigo (spinning sensation)
- Chizutu
- Chiono chechipiri
- Kurasikirwa kwekubatana
- Kudzora dambudziko
- Dambudziko rinotsanangura mazwi
- Numbness
- Kurasikirwa kwekunzwa
- Kushaya simba mune imwe hafu yemuviri
- Nausea
- A pontine chirwere chinogona kukonzera chirwere chakanyanya chinonzi chivharo-mu syndrome . Vanhu vanotambura vanovhara muhutano vanogona kunge vakamuka, vakangwarira uye vanogona kufunga uye kunzwisisa, asi vanokwanisa chete kutamisa maziso avo.
Kuziva
Kuongororwa kwepontine chirwere kunoda kunyatsoongorora nyanzvi . Zvimwe zvirwere zvekufungidzira imaging s zvakadai seBrain MRI uye Brain MRA kana CT angiogram zvinogona kubatsira kusimbisa kuongororwa kwepontine stroke.
Risk Factors
Zvimwe zvinokonzera ngozi pontine chirwere zvakafanana neyezviputi mune dzimwe nzvimbo dzeuropi, kusanganisira:
- High blood pressure
- Chirwere cheshuga
- Chirwere chemoyo
- Atrial fibrillation
- Kusvuta
- Age akwegura
- Mhuri yehutano nhoroondo yekurohwa
- Kuwedzera muviri
- Hazvina kunaka cholesterol uye mafuta mazinga
- Zvisizvo zvisingaiti
- Kushandisa zvinodhaka
Kurapa
Stroke treatment inobva pakuwana kurapwa nokukurumidza.
Kurapa nevhatta kupedza mishonga, tissue plasminogen activator (tPA) inogona kushanda pakurapa chirwere cheschemic chete kana ichichengetwa mukati maawa matatu ekutanga kwechirwere chechirwere.
Pakuzorodza mushure mekurohwa, kune huwandu hwekurohwa kwechirwere chinogona kubatsira kuwedzera kukurudzira , kusanganisira kunyorova ropa zvakanyanya, kushandiswa kwemvura, kushandiswa kwematambudziko emwoyo nekuchengetedza kudya kwakakwana.
Shoko Rinobva
Kudzoka kubva pontine chirwere kunogona.
Kana iwe wakambosangana nepontine stroke, kana zviratidzo zvako zvigadzikana pane nguva, chinangwa chekudzoka kwako chichave chakavakirwa mukudzivisa zvinetso zvakadai sokugunzva uye kudzivirira zvimwe zvirwere zvisingaitiki.
Kurohwa muuropi kunokanganisa hakubatsiri mutauro kukwanisa, uye izvi zvinoita kuti zvive nyore kupinda muchirongwa chekudzorerazve. Vertigo uye zviratidzo zviviri zvinogadzirisa kana chirwere ichi chiri chiduku kana kuti chinoderedza. Kurapa kwepanyama uye kugadziriswa kunokosha zvikamu zvekurohwa.
> Sources:
> Lacunar Infarction uye Small Disease Disease: Pathology uye Pathophysiology .Caplan LR, J Stroke. 2015 Jan; 17 (1): 2-6