Prosthetic Heart Valve

A prosthetic heart valve inogadzirwa mukati memoyo kuti ichinje chikamu chemwoyo chave chaparadzwa nekuda kwechirwere chemwoyo. Mushonga wemhepo inoshandiswa pakuvhiyiwa inoshandiswa kana kugadzirisa kwevhavha isingasarudzo.

Mwoyo une mavhavha mana: tricuspid (tri-CUSS-pid), pulmonary (PULL-mun-ary), mitral (MI-trul), uye aortic (ay-OR-tik) valve.

Nhengo imwe neimwe yevheji inobhururuka uye inovhara nemoyo wose. Basa rehuni ndeyekuita kuti ropa riyerere munzira yakarurama - kuburikidza nemakamuri mana emwoyo - uye kune imwe yose yemuviri.

Marudzi eValve Heart Disease

Zvinokonzera

Chirwere chepachivha chepfungwa chinogona kunge chiri chepenital (vasati vaberekwa) kana chinogona kukura nekufamba kwenguva kana kuva chikonzero chehutachiona. Pane dzimwe nguva, chikonzero chepfungwa yevhirivha yemwoyo hachizivikanwi.

Kune zvikonzero zvakasiyana-siyana zvehutano hwepfungwa dzemwoyo, kusanganisira:

Zviratidzo

Chiratidzo chikuru chepfungwa yevhirivha yemwoyo mwoyo unogunun'una . Asi vamwe vanhu vangave vane mwoyo yekugunun'una vasina mwoyo wehutachivha. Zvimwe zviratidzo nezviratidzo zvehutano hwepfungwa dzemwoyo zvinosanganisira zvinotevera:

Kuziva

Pamusoro pekuona kwemoyo kun'un'una kana zviratidzo zvepfungwa yevhirivha yemwoyo, zvinotevera kuongororwa zvinogona kuitwa:

Kurapa

Varwere vanogona kubvunzwa kuti vasaita mabasa epanyama anoita kuti vasafema kana kuti vakaneta. Mishonga inogona kurongerwa kuti iite zvinotevera:

Panguva yekushandurwa kwemagetsi kushandiswa, valve yakakuvadzwa kana isina kukodzera inotsiviwa nehupenyu hunoenderana kana hunyanzvi hunoiswa mu annulus yevheji yekare.

Zvigadzirwa zvehupenyu zvinogona kupedza makore gumi kusvika kune gumi nemashanu kana kupfuura uye zvakagadzirwa kubva kuuruve, mhou kana munhu mutsvuku wemwoyo. Mechanical valves inopera kwenguva refu uye haifaniri kuchinjwa asi varwere vanofanira kutora mishonga yekuchera ropa kwehupenyu hwavo hwose kuitira kuti ropa risati rava kuumbwa pavhavha.

Matambudziko