Nnọchi obi valvụ. Types of prostheses.

Heart - a eke mgbapụta nke na-akpata ọbara igbasa ofụri idem na onye ahụ na-eri nri ya niile ahụ arọ. Anatomically, obi mejupụtara anọ ụlọ na anọ valves. ọrụ nke obi ẹkenịm ke otú ahụ n'ụzọ na na a n'otu isi ihe na oge bụ nke mbụ nke a valvụ na-emechi ndị ọzọ iji hụ na nkịtị ọbara oruru. Odida nke ọ bụla valvụ na-eduga ná emeghasịkwa nke ọbara ọkọnọ. Na nke a, mgbe mgbe na-amalite na prosthesis (nnọchi) obi valvụ.

Nnọchi obi valvụ - ịwa ahụ, na-agụnye echichi nke prosthesis na ebe-erughị eru valvụ. Ọtụtụ mgbe, a na ịwa ahụ na-iji na-agbazi congenital ma ọ bụ enwetara mgbanwe ihe owuwu ma na ọrụ nke valvụ usoro nke obi, nke ike-gbazie ụzọ nke plastic mgbazi. A di na nwunye nke iri afọ gara aga, prosthetic obi valvụ na-ize ndụ ahụ ike na ndụ nke na-arụ ọrụ. Otú ọ dị, taa afọ, ọ bụ nnọọ a-ahụkarị, nke bụ mgbe nanị ụzọ iji weghachi ahụ ike nke obi na ofụri idem.

Otu n'ime ihe ndị na-egosi maka nnọchi nke a obi valvụ :

• oké valvular mgbanwe, nke iduga ogbenye mgbasa;
• aga n'ihu obi odida;
• adịghị ike nke ọgwụ nje ọgwụ;
• embolic nsogbu;
• echocardiographic ịrịba ama nke mmebi valves na vegetations.

Nnọchi obi valves na-contraindicated na ọrịa na bụla ọrịa, dị ka nke a na e nwere a elu n'ihe ize ndụ nke na-emepe emepe infective endocarditis mgbe ịwa ahụ.

Na mkpofu ịwa ahụ n'oge a, e nwere 2 ụdị prostheses n'ihi na obi valves.

The mbụ ụdị agụnye n'ibu prostheses. Ha na-akpọ wuru prostheses. Mechanical valvụ na-agụnye a valvụ obturator mmewere ụdị nke a na-arụpụtara site wuru ihe onwunwe. Na mwepu nke a ngwaọrụ bụ mkpa maka ndụ anticoagulant n'ikuku - ọgwụ ọjọọ eme ihe na ala ọbara coagulability. N'ihi ya, na n'ibu prostheses na-akwanyere ya ùgwù site pụrụ ịdabere, ọrụ ndụ (maka ndụ) na ọ dịghị mkpa ka a kụọ. Otú ọ dị, ndị ọzọ nke ndụ ya a mmadụ nwere na-eme ka pụrụ iche preparations.

Ọzọ ụdị prostheses bụ ndu valves, nke, dị ka aha ha na-egosi, nwere a ndu malite. Ihe maka ndị a bụ Equine pericardium ma ọ bụ porcine anụ ahụ. Dị ka a n'ihi nke prosthesis nwere a eke obturator mmewere na atọ flaps. Ruru ya myirịta eke valves, ndu prosthetic atụle ihe ngwọta kasị mma. Ndị a na ngwaọrụ na-ji ala ibu na size, nke fọrọ nke nta eliminates ize ndụ nke thrombosis ma ọ bụ thromboembolism. Otú ọ dị, ndu prosthesis bụ susceptible na-eweda ha ala karịrị oge. Ya ọrụ ndụ kpebisiri ike site ọrịa afọ na ya ẹdude ọgwụ ọnọdụ. Otú ọ dị, ọ ga-kwuru na usoro nke na-eweda ha ala nke valvụ budata slows ala na afọ.

Tupu ịwa ahụ, obi valvụ nnọchi n'etiti ndidi na dọkịta ga-enwe mkparịta ụka, nke bụ isiokwu nke nke - oke nke a akpan akpan ụdị valvụ.

Mgbe prosthetic obi valvụ na-ọma dechara, abịa ghara ịgbanwe oge. N'ime 6 ọnwa nke ejikwara kwesịrị, na uche pụrụ iche na nyochaa ha ọnọdụ. Zuru oke contraindication mgbe a waa ya ụdị ahụ bụ anụ ahụ na-eme. Onye ọrịa aghaghị ịgbaso a nri nwere a kacha nta ego nke nnu, nke a na-mma na magnesium na potassium.

The kasị sikwuoro mgbe ahụ n'ihi obi valvụ nnọchi bụ mmepe nke infective endocarditis. Dị ka a mgbochi ụfọdụ dọkịta na-edepụta ọtụtụ ọgwụ na dietary Mmeju.