Iyo tricuspid vharafu (kubva kuLatin cusp inoreva pfumo pfumo, kana matatu-yakatarwa vharuvhu) ivhavha iri padanho remoyo, ichipatsanura kurudyi atrium kubva kurudyi ventricle.

nzvimbo. Iyo tricuspid vharafu iri padanho remoyo. Iyo yekupedzisira yakakamurwa kuita zvikamu zviviri, kuruboshwe uye kurudyi, imwe neimwe iine ventricle uye atrium. Iyo tricuspid vharafu inoparadzanisa kurudyi atrium kubva kurudyi ventricle (1).

mamiriro. Iyo tricuspid vharafu inogona kukamurwa kuita zvikamu zviviri (2):

• Iyo midziyo yevhavha, inoumbwa neringi ine tambo yakakomberedza vharuvhu uye mapepa evharuvhu, anotangira padanho remhete ine tambo uye inoumbwa nemapendero eiyo endocardium (yemukati kamoyo yemoyo) (1).
• Iyo subvalvular system, yakaumbwa netendon tambo netembiru dzinodaidzwa kuti papillary mhasuru

Ropa nzira. Ropa rinotenderera munzira imwechete kuburikidza nemoyo uye neropa system. Atrium yekurudyi inogamuchira ropa rinotyisa, ndiko kuti kushaya mweya muoxygen uye ichibva kumusoro nechepasi vena cava. Ropa iri rinobva radarika nemuvhavha yetricuspid kusvika pa ventricle chaiyo. Mukati meyekupedzisira, ropa rinobva radarika nepavharuvhu yemapapu kusvika padanda remapapu. Iyo yekupedzisira inozopatsanuka kuita kurudyi uye kuruboshwe pulmonary arteri kuti ubatanidze mapapu (1).

Kuvhura / kuvhara kwevhavha. Iyo tricuspid vharafu inovhura nekumanikidza kweropa padanho reiyo chaiyo atrium. Iyi yekupedzisira inobvumirana uye inobvumira ropa kupfuura nemu tricuspid vheji kuenda kurudyi ventricle (1). Kana ventricle chaiyo yazara uye kumanikidza kuchiwedzera, chibvumirano che ventricle uye chinokonzeresa iyo tricuspid vharuvhu kuvhara. Izvi zvinonyanya kuchengetwa zvakavharwa nekuda kwepapillary mhasuru.

Anti-Reflux yeropa. Kutamba yakakosha ndima yekufamba kweropa, iyo tricuspid vharafu zvakare inodzivirira kudzoka kweropa kubva kurudyi ventricle kuenda kurudyi atrium (1).

Chirwere chemwoyo cheValvular chinoreva mafungire ese anokanganisa mavharuvhu emwoyo. Iko kushanduka kweaya maratidziro kunogona kutungamira kuchinjiso mune chimiro chemoyo nekuwedzera kweatrium kana ventricle. Zviratidzo zvezvirwere izvi zvinogona kunyanya kuve kugunun'una mumoyo, kurova marwadzo, kana kunyangwe kusagadzikana (3).

• Tricuspid kusakwana. Ichi chirwere chinosunganidzwa nekuvhara kwakashata kwevhavha inotungamira mukudzoka kweropa kuenda kune atrium. Zvinokonzera chiitiko ichi zvakasiyana uye zvinogona kunyanya kusanganiswa neacute rheumatoid arthritis, yakawanikwa kana yakazvarwa malformation, kana kunyange hutachiona. Iyo yekupedzisira kesi inoenderana ne endocarditis.
• Tricuspid kudzikira. Kazhinji, chirwere chevhavha ichi chinoenderana nekuvhurika kwakakwana kwevhavha inodzivirira ropa kubva pakutenderera zvakanaka. Zvinokonzera zvakasiyana uye zvinogona kunyanya kuve zvine hukama ne rheumatic fever, hutachiona kana endocarditis.

Kurapwa. Zvichienderana nechirwere chevhavha uye nekufambira mberi kwayo, mimwe mishonga inogona kupihwa semuenzaniso kudzivirira zvimwe hutachiona sehutachiona endocarditis. Aya marapirwo anogona zvakare kuve akajeka uye akagadzirirwa hosha dzakabatana (4) (5).

Kuvhiya kurapa. Mune zviitiko zvemberi zvechirwere chevhavha, kuvhiyiwa kunowanzoitwa. Iko kuvhiya kunosanganisira yekugadzirisa vharuvhu kana kutsiva vharuvhu nekuiswa kwemakaniki kana yehupenyu vharuvhu (bio-prosthesis) (3).

Kuongorora kwepanyama. Kutanga, kuongororwa kwekiriniki kunoitwa kuitira kuti udzidze kurovera kwemoyo kunyanya uye kuongorora zviratidzo zvinoonekwa nemurwere sekufema kwekufema kana kurova marara.

Chiremba imaging bvunzo. Kuti ugadzire kana kusimbisa kuongororwa, iyo yemoyo ultrasound, kana kunyange doppler ultrasound inogona kuitwa. Vanogona kuwedzerwa nekoniyoni angiography, CT scan, kana MRI.

Electrocardiogramme d'effort. Muedzo uyu unoshandiswa kuongorora mashandiro emagetsi emoyo panguva yekuyedza muviri.

Chakagadzirwa moyo vharuvhu. Charles A. Hufnagel, chiremba wekuvhiya weAmerica wezana ramakore rechi20, ndiye aive wekutanga kugadzira vharafu yemoyo yekugadzira. Muna 1952, akaisamo, mumurwere achirwara neortort insufficiency, vharafu yekugadzira yakaumbwa nesimbi simbi ine silicone bhora yakaiswa pakati payo (6).