I-Prosthetic Heart Valve

I-valve inhliziyo valve igxilwe enhliziyweni ukuze ithathe isikhundla sensimbi ye-valve ewonakele ngenxa yesifo senhliziyo. Ukuhlinza ukuhlinzwa esikhundleni se-valve senhliziyo kwenziwa uma ukulungiswa kwe-valve akuyona inketho.

Inhliziyo inezivalo ezine: i-tricuspid (tri-CUSS-pid), i-pulmonary (PULL-mun-ary), mitral (MI-trul), ne-aortic (ay-OR-OR-tik).

I-valve ngayinye ine-flap tissue evula futhi ivale nazo zonke izinhliziyo. Umsebenzi we-flap ukuqinisekisa ukuthi igazi ligeleza ngendlela efanele - ngokusebenzisa amakamelo amane enhliziyo - nakuwo wonke umzimba.

Izinhlobo zezifo zezinhliziyo ze-Valve

Izimbangela

Isifo se-valve senhliziyo singaba sesibindi (ngaphambi kokuzalwa) noma singakhula ngokuhamba kwesikhathi noma sibe umphumela wesifo. Ngezinye izikhathi, izimbangela zesifo se-valve senhliziyo aziwa.

Kunezimbangela eziningana zezifo zenhliziyo valve, kuhlanganise:

Izimpawu

Uphawu oluyinhloko lwesifo se-valve senhliziyo kuyabubula inhliziyo . Kodwa abanye abantu bangase bakhononde inhliziyo ngaphandle kokuba nesifo senhliziyo. Ezinye izibonakaliso nezimpawu zesifo se-valve senhliziyo zihlanganisa okulandelayo:

Ukuxilongwa

Lapho kutholakala inhliziyo ekhononda noma izibonakaliso zesifo senhliziyo, lezi zivivinyo ezilandelayo zizohlolwa:

Ukwelapha

Iziguli zingase zicelwe ukunciphisa imisebenzi engokwenyama eyenza bafinyelele ukuphefumula noma bakhathele. Imithi ingacelwa ukuba iphathe okulandelayo:

Phakathi nokuhlinzwa okusebenza esikhundleni se-valve, i-valve eyonakalisiwe noma eyiphutha ishintshwe nge-valve ehambisanayo noma engokwemvelo ekhonjelwa ku-annulus ye-valve yomdabu.

Ama-valve eziphilayo angadlulela iminyaka engu-10 kuya kwengu-15 noma ngaphezulu futhi zenziwa ngezingulube, izinkomo noma izinhliziyo zomzimba. Ama-valve ama-mechanical ahlala isikhathi eside futhi akudingeki abekwe endaweni kodwa iziguli zizodinga ukuthatha imithi yokweqa igazi yonke impilo yabo ukuvimbela ama-blood clots engenzi ku-valve.

Izinkinga