Ukungakwazi ukusebenza kwe-mitral valve yenye yeentlobo zesifo, esinegama elifumana isifo senhliziyo. Kule meko, imisebenzi ye-valral valve iyaphula, kwaye ayikuvalwa ngokupheleleyo, nto leyo eyenza igazi lingene kwi-atrium ekhohlo, ngelixa ivolumu yayo iyanda, engenayo inkqubo enhle yenkqubo ye-cardiovascular and whole body.
Izizathu zesifo
Ukususela kwesi sizathu kuxhomekeke kwindlela ukungakwazi ukusebenza kwe-valve mitral kuphuhlise ngayo. Kukho izinto ezininzi ezichaphazela ukubonakala kwesifo:
Isifo sokubanjelwa kwesibongo siyimbangela eyenzeka kaninzi kunezinye. Oku kubangelwa ukuba ngexesha lokukhulelwa, ezinye izinto ezimbi (ukusuleleka, ukuxinezeleka, ubunzima bezinto eziphilayo, imisebe, njl. Ukungafezeki komntwana we-mitral valve ingaba neendidi eziliqela:
- ukuxhatshazwa kwamathambo;
- iimpazamo kwisakhiwo se-mitral valve;
- uphawu lwesakhiwo seentambo (iintambo).
2. Izifo ezifunyenweyo zidibaniswa neenguqu kwiipopu zephulaphu. Oku kunokubangelwa yizinto ezilandelayo:
- rheumatism;
- ukukhathazeka kwentliziyo;
- endocarditis ;
- ukungenelelo ngoncedo olwenziwe kunyango lwe- mitral stenosis .
3. Izizathu ezifunyenweyo ezingahambelani neenguqu kwiipopu zepuphu. Ezi ziquka
- iinyembezi zeentambo zentambo ezidibanisa imisipha yamathambo kwisisu senhliziyo;
- ukunqotshwa kwemisipha yamathambo;
- Ukwandiswa kwendandatho encinci malunga neendonga zentliziyo, ebizwa ngokuba yindandatho ye-fibrous.
Isizathu sokugqibela sokuhluleka kwe-valral valve sisiphumo sokuvuvukala kwesisu senhliziyo, ukwanda kwintliziyo yentambo, okanye utshintsho kwimiyalezo yezitho zangaphakathi zentliziyo.
Iimpawu ze-valral mitral insufficient
Isibonakaliso sokuqala sokubonakaliswa kwe-valve ye-mitral ukungakwazi ukuphulaphula intliziyo yesimo, okuquka ukucinezeleka kokuphefumula. Kwimeko enkulu, oku kubonakala phantsi kwemithwalo yemvelo, kungekho enkulu. Ukuba isigulane sinomuva wokuphazamiseka kwesigxina senhliziyo ekuphumleni, eso sifo siyaqhubeka. Kwakhona, kukho ukukhathala ngokukhawuleza, ukuvuvukala kunye nentlungu kwi-right quadrant ephezulu, ebangelwa ukunyuka kwesibindi. Isibonakaliso esingalindelekanga sokungakwazi ukusebenza kwe-valve mitral ngumkhuhlane omile kunye nokukhutshwa.
Phakathi kweempawu ezicacileyo ezibonisa ngqo ukuba akukho sisifo esiyingozi, qaphela:
- i-cardialgia (ukugubha kunye nokukhawuleza, ukungaphantsi kwexesha - ukuxinzelela iintlungu kwindawo yesentliziyo);
- ukugqithiswa kwamalungu angaphantsi.
Unyango lwesifo
Indlela yokunyangwa kwe-valve mitral ayikwazi ukuxhomekeka kwinqanaba elisisigxina apho isifo sifumane khona. Kwinqanaba lokuqala, unyango lwamayeza lwenziwa, okwesibini nolwesithathu. Isigaba sesine nesesihlanu sibaluleke kakhulu, kwaye imeko yesigulane ayigxininisi, ngoko ke ayifumanekanga ukuhlinzwa.
Ekusebenzeni, umsebenzi wokuvala i-mitral valve ubuyiselwe. Ukwenza oku, nciphisa i-ring efrous nge-special support support ring. Kwimeko yokubala kunye ne-fibrosis, i-protein ye-biological or mechanical of valve ifakwe. Ixesha lokuvuselelwa kwangemva kwexesha elixhomekeke kwimeko yesigulane. Oku ku sekelwe kumgqirha oya kwiindawo, ukuchaza iinkqubo kunye namalungiselelo.
Ngaloo ndlela, kunokuthi kuqaphele ukuba ukungafezeki kwe-mitral valve yisifo esinzima esinzima ukunyanga kwisigaba sesibini ukuya kweyesihlanu, ngoko ke, kunye neempawu zokuqala, kude kube kude, ugqirha kufuneka uqhagamshelane ngoko nangoko, ekubeni ukungazinzi kakuhle kunye ne-relative valve ye-mitral valve kulula ukuphilisa .