Sonke sizwa umsindo ngaphakathi esifubeni sethu othi “lub-dub...lub-dub...” ngaso sonke isikhathi, akunjalo? Lowo umsindo wenhliziyo yethu eshayayo. Le nhliziyo ingumshini omangalisayo opompa igazi emzimbeni wethu wonke. Kodwa ukuze lo mshini usebenze kahle, eminye iminyango emincane engaphakathi kwawo, noma ama-valve, kudingeka asebenze kahle. Namuhla sizokhuluma ngenye yama-valve abaluleke kakhulu, i-“Aortic Valve,” esebenza njengesango eliyinhloko elithumela igazi emzimbeni wethu.
Iyini i-Aortic Valve?
Kalula nje, i-aortic valve ingenye yama-valve amane ayinhloko enhliziyweni yethu. Cabanga ngenhliziyo yethu njengendlu enamakamelo amane. Sibiza la makamelo amane ngokuthi:
- I-Atria: Lawa ngamakamelo amabili aphezulu. I-atrium yangakwesokudla kanye ne-atrium yangakwesokunxele.
- Ama-Ventricle: Lawa ngamakamelo amabili aphansi. I-ventricle yesokudla kanye ne-ventricle yesobunxele.
Njengoba igazi ligeleza liye phambili naphambili phakathi kwala makamelo, la ma-valve akhona ukuvimba igazi ukuthi lingagelezi emuva ngendlela engafanele. Lawa ma-valve afana neminyango evuleka ohlangothini olulodwa kuphela.
I-aortic valve itholakala endaweni ebaluleke kakhulu. Okungukuthi, phakathi kwe-ventricle yesobunxele, igumbi eliyinhloko elipompa igazi elihlanzekile, elinomoya-mpilo emzimbeni wethu wonke, kanye ne-aorta, umthambo wegazi omkhulu kunayo yonke othwala lelo gazi emzimbeni wonke. Uma sikhuluma iqiniso, le-aortic valve iyisango eliyinhloko lapho igazi liphuma khona enhliziyweni.
Isebenza kanjani ivalvu ye-aorta? Ukugeleza kwegazi enhliziyweni...
Ukuze siqonde lokhu, ake sibheke indlela igazi elihamba ngayo ngaphakathi enhliziyweni. Kulula kakhulu.
1. Okokuqala, igazi elisetshenziswe emizimbeni yethu futhi elinomoya-mpilo ophansi liza ohlangothini lwesokudla lwenhliziyo.
2. Uhlangothi lwesokudla lupompa lelo gazi liye emaphashini. Amaphaphu aphinde afake umoya-mpilo kulelo gazi.
3. Igazi elisha, elihlanzekile, eligcwele umoya-mpilo, seliza ohlangothini lwesobunxele lwenhliziyo.
4. Yilapho umlingiswa wethu oyinhloko, i-aortic valve, eqala khona ukusebenza. Lapho i-ventricle yesobunxele ohlangothini lwesobunxele lwenhliziyo ifinyela ngamandla futhi ikhipha igazi, i-aortic valve ivuleka kabanzi .
5. Nge-valve evulekile, igazi elinomoya-mpilo lingena ku-aorta, okuyilapho igazi lisakazwa khona emzimbeni wethu wonke kusukela ekhanda kuya ozwaneni.
6. Ngemva kokukhishwa kwegazi, ivalvu ye-aorta ivala ngokushesha . Iyavala ukuze igazi elingene ku-aorta lingaphindeli enhliziyweni.
Le nqubo yenzeka njalo lapho inhliziyo ishaya. Ukuvulwa nokuvalwa kwevalvu ye-aorta yikho okwenza ingxenye yalowo msindo othi "lub-dub". Ngakho-ke manje usungabona ukuthi leli sango elincane libaluleke kangakanani.
Yiziphi izingxenye zevalvu ye-aorta?
Ku-valve ye-aortic evamile nephilile, kunezicucu ezintathu ezincane neziqinile zezicubu esizibiza ngokuthi “amapheshana noma ama-cusps.” Uma inhliziyo ishaya, la ma-flaps amathathu avuleka kakhulu ukuze igazi lidlule, bese evaleka ndawonye.
Kodwa abanye abantu bazalwa benama-valve amabili kuphela. Lesi simo sibizwa ngokuthi i-bicuspid aortic valve . Nakuba lokhu kungabangeli izinkinga iminyaka eminingi, kunengozi encane yokuthi i-valve izoba nezinkinga esikhathini esizayo.
Yiziphi izimo ezithinta i-aortic valve?
Ngokuhamba kwesikhathi, ngenxa yokutheleleka, noma ngenxa yezimbangela ezithile zokuzalwa, ivalvu ye-aorta ingaba yinto engasebenzi kahle. Kunezinkinga eziningana eziyinhloko ezingabonakala.
| Isimo | Kalula nje, yilokhu okwenzekayo. |
|---|---|
| Ukuvuselelwa kwe-valve ye-aorta | I-valve ayivaleki kahle. Cabanga ngayo njengesihluthulelo somnyango esiphukile. Lokhu kubangela ukuthi elinye igazi elingene ku-aorta livuze libuyele ku-ventricle yesobunxele yenhliziyo. Lokhu kubangela ukuthi inhliziyo isebenze kanzima. |
| I-stenosis ye-valve ye-aorta | Ama-valve flaps aba makhulu, aqine, futhi awavuli kahle. Njenge-valve egqwalile. Lokhu kunciphisa isikhala sokuba igazi liphume enhliziyweni. Kulokhu, inhliziyo kufanele isebenze kanzima ukuze icindezele igazi lidlule. |
| I-valve ye-aorta ye-bicuspid | Lesi yisimo esiba khona lapho umuntu ezalwa. Kunezivalo ezimbili kuphela esikhundleni sezivalo ezintathu ezivamile. Nakuba abantu abaningi bengenazo izinkinga, abanye abantu banamathuba amaningi okuba nokuncipha noma ukopha njengoba bekhula. |
| I-Endocarditis | Lokhu ukutheleleka kolwelwesi lwenhliziyo nama-valve ayo. Lesi simo singavela uma amagciwane engena egazini futhi alimaze i-valve yenhliziyo. |
Ingabe ikhona indlela yokwelapha inkinga yevalvu?
Yebo, nakanjani. Uhlelo lokwelashwa luncike ohlotsheni kanye nobucayi besifo, kanye nempilo yesiguli iyonke. Kwezinye izimo ezincane, udokotela wakho angase akunike imithi, akucebise ukuthi wenze izinguquko endleleni yokuphila, futhi akuhlole njalo.
Kodwa-ke, uma umonakalo wevalvu umkhulu, kungase kudingeke ukuhlinzwa. Namuhla, kunezindlela eziningi ezithuthukisiwe zokwenza lokhu.
Indlela entsha ebizwa ngokuthi i-TAVR
Enye yalezi zinqubo ezikhethekile yi- Transcatheter Aortic Valve Replacement (TAVR) .
Lokhu kuhilela inqubo encane kakhulu, kunokuba kube ukuhlinzwa okukhulu okuhilela ukuvula isifuba.
- Udokotela uzofaka i-catheter , ipayipi elincane neligobile, ngemithambo yegazi emlenzeni noma esifubeni sakho kuze kufike enhliziyweni yakho.
- Ngaphakathi kwaleli payipi, i-valve entsha yokwenziwa ithunyelwa enhliziyweni.
- Ivalvu entsha ifakwa endaweni efanayo nevalvu endala eyonakele. Ngezinye izikhathi, ifuthwa ngento efana nebhaluni elincane bese ifakwa endaweni yayo.
- Bese ipayipi liyasuswa.
Le ndlela ayinangozi kakhulu futhi ilulama ngokushesha kunokuhlinzwa kwenhliziyo okuvamile. Kodwa-ke, ayifanele wonke umuntu. Udokotela wakho uzonquma ukuthi yikuphi ukwelashwa okungcono kakhulu kuwe.
Ngingayigcina kanjani i-aortic valve yami kanye nenhliziyo yami kuphilile?
Inhliziyo yethu yinto okudingeka siyinakekele kahle. Ukulandela indlela yokuphila enempilo kungagcina hhayi kuphela ama-valve enhliziyo, kodwa nenhliziyo yonke iphilile.
- Gcina isisindo esinempilo: Zama ukugcina isisindo somzimba esinempilo esifanele ubude bakho nobudala bakho.
- Yidla ukudla okunempilo kwenhliziyo: Yidla usawoti omncane, uwoyela, noshukela, bese ufaka imifino eminingi, izithelo, amakhambi, kanye nokusanhlamvu okuphelele okune-fiber ekudleni kwakho.
- Ukuzivocavoca: Yenza uhlobo oluthile lokuzivocavoca olukwenza ujuluke, okungenani izinsuku ezi-5 ngesonto, okungenani imizuzu engama-30 ngosuku. Ukuhamba, ukugijima, noma ukubhukuda kuyizinketho ezinhle.
- Lawula ukucindezeleka: Khulula ingqondo yakho ngezinto ezifana nokuzindla, i-yoga, ukukhuluma nabangani, kanye nokuzibandakanya nomsebenzi wokuzilibazisa.
- Gwema ukubhema ngokuphelele: Ukubhema kungenye yezitha ezinkulu zenhliziyo. Yeka umkhuba namuhla.
Uma unezinsolo zesifo senhliziyo, ubuhlungu besifuba, noma izimpawu ezifana nobunzima bokuphefumula, ungalibali bese ubona udokotela wakho ngokushesha. Uzokwenza izivivinyo ezidingekayo futhi akunikeze iseluleko esidingekayo.
Umlayezo Wokuya Nawe Ekhaya
- I-aortic valve iyi-valve ebaluleke kakhulu evimbela igazi ukuthi ligeleze emuva njengoba inhliziyo ipompa igazi emzimbeni wonke.
- Le valve ingaba mfushane (stenosis) noma igazi livuza (regurgitation) ngenxa yokuguga, ukutheleleka, noma ukukhubazeka kokuzalwa.
- Qaphela uma unezimpawu ezifana nobunzima bokuphefumula, ubuhlungu besifuba, noma ukuquleka.
- Namuhla, kunezindlela zokwelapha eziphumelelayo zezifo zama-valve, kusukela emithini kuya ekuhlinzeni okuthuthukisiwe njenge-TAVR.
- Imikhuba emihle yokuphila, njengokudla okunempilo, ukuvivinya umzimba njalo , nokugwema ukubhema, kungagcina inhliziyo yakho nama-valve ayo ephilile isikhathi eside.











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