Mitral stenosis inodzivisa mitral valve, iyo inoderedza kudengenyeka kweropa kubva kuruboshwe kuruboshwe kusvika kuruboshwe. Mitral stenosis isinganzwisisiki nhasi munyika dzakabudirira, asi kana zvichiitika zvinogona kukonzera matambudziko makuru emwoyo.
Chii Chinonzi Mitral Stenosis?
Iyo mitral valve inodzora kuzarura pakati pekupedzisira kweatrium uye kuruboshwe rwemhepo.
Apo mabato echibvumirano ari kuruboshwe, mitral valve inotanga kubvumira ropa kudururira kuruboshwe rwe ventricle. Ikoko kuruboshwe rwemashure uye iyo inobva yangobvumirana, uye mitral valve inogumira kudzivirira ropa kurega kudzokera kumashure kuruboshwe rwetrium.
Ne mitral stenosis, mitral valve yakasimbiswa uye haina kusimba (kureva, stenotic), uye haikwanisi kuvhura zvakakwana. Kana izvi zvikaitika, kuruboshwe kuruboshwe hakugoni kuvhara zvachose. Ropa rinowedzera kukwira, zvichiita kuti kuwedzerwa kuwedzera kwezvinetso zvepanyika. Kwenguva yakareba yenguva, zvinetso zvemoyo zvinokonzera.
Chii Chinokonzera Mitral Stenosis?
Mamiriro ezvinhu mazhinji anogona kubudisa mitral stenosis:
- Rheumatic heart heart ndiyo inowanzokonzera . Nemhaka yekuti rheumatic chirwere chemoyo chave chisingakwanisi munyika dzakabudirira, mitral stenosis ikozvino inoonekwa zvishoma nezvishoma kudarika zvaive mumakumi emakumi apfuura.
- Mamwe maitiro ehutachiona hwepfungwa anokonzera mhuka anogona kukonzera mitral stenosis. Muzviitiko izvi, mitral valve inokundikana kukura kazhinji.
- Mitral annular calcification (mamiriro ayo iyo calcium inogadzika mupe mitral valve, kazhinji inobatana nekwegura kana chirwere chepfungwa) inogona kukonzera mitral stenosis. Kunyange zvazvo mitral annular calcification inowanzova yakajairika, inowanzokonzera mitral kudzokera uye inowanzobereka mitral stenosis.
- Kutapukisa endocarditis (hutachiona hwemwoyo dzemagetsi) hazviwanzoguma nematral stenosis.
Zvinetso Zvipi Zvinokonzera Mitral Stenosis Chikonzero?
Mu mitral stenosis inokonzerwa nerheumatic heart disease (chinonyanya kukonzera), dambudziko revhavha rinokura zvishoma nezvishoma, kupfuura kwemakore, uye zviratidzo zvinoonekwa zvishoma nezvishoma. Muzviitiko zvakawanda, mitral stenosis inotanga kuongororwa makore 15 kusvika ku20 pashure pokunge rheumatic fever yakamboitika.
Munguva yose iyi, kukanganiswa mukati mekumucheto kwerutivi kunowedzera zvishoma nezvishoma, uye iyo imba inozopedzisira yawedzerwa. Kuwedzera kwekumanikidzwa kunoparidzirwa kumashure, kumisasa yeropa mumapapupa, uye pakupedzisira kune arteriyamu arteri. Arteri yepulmonary hypertension , kukwikwidzika mumapirmita arteri, inowanzoguma.
Chirwere chemapurisa chirwere chepfungwa chinogona kukonzera kukanganisa kwemwoyo kunobata rutivi rworudyi rwemoyo. Kurwisana nemwoyo wakarurama kunowanzobatana nekuneta kwakanyanyisa uye kuwandisa kwemvura inowedzera (edema) mumakumbo, uye kazhinji mudumbu.
Atrial fibrillation inowanzozara kuvanhu vane mitral stenosis. Kusvika ku70% yevanhu vane mitral stenosis vachazopedzisira vava nekugadzirisa iyi arrhythmia.
Thromboembolism zvakare inetso ne mitral stenosis.
Ropa rega rega rinogadzirisa mukati mekusasarudzwa kwemajeri ekupedzisira uye rinokonzera kukanganisa kwemhuka, kunyanya kurwisa . Dambudziko iri njodzi kune chero munhu ane acrial fibrillation, asi njodzi iyi inonyanya kukwirira apo iyo yefriday fibrillation inobatanidza nemitral stenosis. Ichokwadi, thromboembolism inogona kuitika nemitral stenosis kunyange kana chirwere chepridia chisingawaniki.
Ndezvipi zviratidzo zveMitral Stenosis?
Zviratidzo zvinowanzoitika zvinokonzerwa nemitral stenosis i dyspnea (kupfupika kwemhepo), kukwegura, uye kuneta. Vanhu vane mitral stenosis vanogona kunge vane zviratidzo izvi chero nguva iyo mwoyo inodanwa kuti iite basa shomanana, zvakadai sekushandiswa kwemarudzi ose, kushungurudzika mupfungwa, fivha kana zvimwe zvirwere, kana pamuviri.
Sezvo mitral stenosis pachayo inokura zvishoma nezvishoma, ndizvo zvinoita zviratidzo zvinokonzera. Muzviitiko zvakawanda, vanhu vane mitral stenosis vanodzivirira zviratidzo nekusaziva zvishoma nezvishoma kuderedza basa ravo pane imwe nguva yemakore, pakupedzisira kuva kunyarara. Nemhaka yokuti havakwanisi kuita basa, kazhinji havazooni kunyatsofema, uye havagoni kupa chiratidzo ichi kuvanachiremba.
Apo mitral stenosis inowedzera, varwere vanogona kukura zviratidzo zvinoramba zvichiramba kunyange pazororo, uye vanogonawo kukura zvakanyanya edema nekukandira ropa.
Arial fibrillation inogona kubudisa mapapiro uye kuchena, uye inogona kuita zviratidzo zvose zvine chokuita nemitral stenosis yakaipisisa.
Mitral Stenosis Inosangana Sei?
Kuongororwa kunowanzotanga kufungidzirwa mushure mekunge chiremba achiongorora uye anocherechedza mwoyo unonyorera, unogunun'una unogunun'una unhu hwemasral stenosis. Kana imwe nguva chirwere ichi chikafungidzirwa, chinogona kujekeswa kana kutongerwa kunze ne echocardiogram .
Kubata Mitral Stenosis
Kana wakamboonekwa kuti une mitral stenosis, zvinhu zvinonyanya kukosha iwe uye chiremba wako uchafanirwa kufunga nezvazvo ndezvokuti / ndeipi nguva yekuita chirongwa chekuvhiya kuti usununguke stenosis, uye ndeapi matanho aunofanira kutorwa kuti udzivirire thrombosis .
Kunobva:
Bonow, RO, Carabello, BA, Chatterjee, K, et al. 2008 Chirevo chekushandiswa chinowanikwa muC ACC / AHA 2006 mirayiridzo yehutungamiri hwevarwere vane chirwere chepfungwa chevurvular: mushumo weAmerican College of Cardiology / American Heart Association Task Force pamusoro pekudzidzisa mazano (Komiti yekunyora kuongorora nhungamiro yekutungamira Varwere Vane Valvular Heart Disease): Inogamuchirwa neSosaiti yemwoyo Yenyika Anesthesiologists, Society for Cardiovascular Angiography and Interventions, uye Society of Thoracic Surgeons. Circulation 2008; 118: e523.
Chandrashekhar Y, Westaby S, Narula J. Mitral stenosis. Lancet 2009; 374: 1271.