Cadaveric pulmonary valve yog dab tsi?
Cadaveric pulmonary valve yog dab tsi?

Video: Cadaveric pulmonary valve yog dab tsi?

Video: Cadaveric pulmonary valve yog dab tsi?
Video: STS University Course 13: Adult Congenital Pulmonary Valve Replacement 2024, Lub Xya hli ntuj
Anonim

35.21. Cov txheej txheem Ross (lossis ntsws autograft) yog kev phais lub plawv qhov chaw mob aortic valve yog hloov nrog tus neeg tus kheej ntsws ntsws . A ntsws allograft (cov valve tau txais los ntawm a lub tsev teev ntuj ) ces siv los hloov tus neeg mob tus kheej ntsws ntsws.

Tom qab ntawd, ib tus tseem tuaj yeem nug, lub ntsws ntsws yog dab tsi?

Cov ntsws ntsws (qee zaum hu ua tus plmonic valve ) yog lub semilunar valve ntawm lub plawv uas nyob nruab nrab ntawm txoj cai ventricle thiab ntsws hlab ntsha thiab muaj peb cusps.

Ib tus kuj yuav nug, lub ntsws ntsws zoo li cas? Nyob rau hauv tej yam kev mob, lub plmonic valve tiv thaiv regurgitation ntawm deoxygenated ntshav los ntawm ntsws cov hlab ntsha rov qab mus rau sab xis ventricle. Nws yog semilunar valve nrog 3 cusps, thiab nws nyob sab xub ntiag, zoo dua, thiab me ntsis mus rau sab laug ntawm aortic valve . Ib daim duab piav qhia txog ntsws ntsws tuaj yeem pom hauv qab no.

Tsis tas li ntawd, aortic thiab pulmonary li qub yog dab tsi?

Cov aortic lub cev yog a valve nyob rau hauv tib neeg lub siab nruab nrab ntawm sab laug ventricle thiab lub aorta . Nws yog ib qho ntawm ob semilunar li qub ntawm lub plawv, lwm qhov yog ntsws ntsws . Lub plawv muaj plaub li qub ; Lwm ob yog mitral thiab tricuspid li qub.

Thaum twg yuav tsum tau hloov lub pulmonary valve?

Tus naj npawb ntawm cov neeg mob uas muaj kab mob hauv lub plawv muaj teeb meem nrog lawv ntsws ntsws , xws li txij thaum yug los, lossis tom qab phais plawv. Rau ntau tus neeg mob, a hloov valve tej zaum yuav pom zoo. Txog rau kaum xyoo dhau los hloov ib faulty ntsws ntsws tsuas tuaj yeem ua tiav nrog kev phais plawv qhib.

Pom zoo: