Iprosthetic Heart Valve

I-valvetic heart valve igxininiswa entliziyweni ukuba ithathe indawo yentshubhu yeentliziyo ezonakaliswe ngenxa yesifo senhliziyo. Utyando lwe-valve yenhliziyo luyenziwa xa ulungiso lwe-valve alukhethi.

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

I-valve nganye ine-flap tissue evula kwaye ivala kunye nentliziyo yonke. Umsebenzi we-flap ukuqinisekisa ukuba igazi lihamba ngendlela elungileyo-ngamagumbi amane entliziyo-kunye nalo lonke umzimba.

Iintlobo zezifo zentliziyo yeValve

Izizathu

Isifo se-valves senhliziyo sinokuba sisana (ngaphambi kokuzalwa) okanye sinokukhula emva kwexesha okanye sibe sisiphumo sosulelo. Ngezinye izihlandlo, izifo zesifo se-valve senhliziyo aziwa.

Kukho izimbangela ezininzi zesifo se-valve senhliziyo, kuquka:

Iimpawu

Uphawu oluphambili lwesifo se-valves senhliziyo intliziyo igungqeleka . Nangona kunjalo abanye abantu banokugungqa intliziyo ngaphandle kokuba nesifo se-valve senhliziyo. Ezinye iimpawu kunye neempawu zesifo se-valves senhliziyo ziquka ezi zilandelayo:

Ukuxilongwa

Emva kokufumanisa intliziyo eguncuzelayo okanye iimpawu zesifo se-valve senhliziyo, ezi zilandelayo zivavanyo:

Unyango

Izigulane zinokucelwa ukuba zinciphise imisebenzi ebonakalayo eyenza ukuba baphumelele okanye baphele. Amachiza anganyulwa ukuba aphathe oku kulandelayo:

Ngexesha lotyando lokutshintshwa kwintsimbi, i-valve eyonakalisiweyo okanye ephosakeleyo ithathelwe endaweni yecala evumelekileyo okanye i-valve ekhonjiswe kwi-annulus ye-valve yomthonyama.

Iipilveshi ze-Biological zingadlulela iminyaka eli-10 ukuya kwe-15 okanye ngaphezulu kwaye zenziwe kwihagu, inkomo okanye intliziyo yesisu. Iimvenge zemijelo zihlala ixesha elide kwaye akumele zitshintshwe kodwa izigulane ziza kufuneka zithathe amachiza okucoca igazi bonke ubomi babo ukukhusela iipilisi zegazi ekubeni zenze ivalve.

Iingxaki