Mitral bawul insufficiency

Mitral bawul insufficiency lalacewa ta hanyar wani cuta a rufe aiki. Akwai tashin hankali saboda nakasawa a bude yatsun ne kullum fibrous hali. Tasiri a kan ci gaban da cuta da raunuka subvalvular Tsarin, kazalika da mutuncin wasu cuta daga cikin bawul abubuwa. Daidai da muhimmanci ne dilatation a anulus fibrosus. Duk na sama leads ƙarshe zuwa sama motsi na jini daga hagu ventricle cikin bar atrium systole, haddasa wata raguwa a minti jini wurare dabam dabam da kuma ci gaban na huhu hauhawar jini.

Rashin na mitral bawul ware hali nasa ne sosai rare sabon abu. Irin wannan jiha aka lura a kawai biyu bisa dari na duk lokuta. Matsayin mai mulkin, da take hakkin rufe aiki ne tare da stenosis na mitral bawul ko aortic zuciya lahani.

A yanayin iya zama aikin ko Organic yanayi.

A cikin farko case, gazawar da mitral bawul tasowa a lokacin fadada a juz'i na hagu ventricle a sakamakon na tsokar cututtuka. Irin cututtuka tsokane da samuwar hemodynamic obalodi na zuciya tsoka sashen.

A sabili da irin wannan gazawar iya zama autonomic dystonia da papillary tsoka sautin raguwa.

Ya kamata a lura da cewa aikin cuta ba alaka zuciya cututtuka.

Rashin kwayoyin halitta na mitral bawul na faruwa a sakamakon ilimin Halittar Jiki rauni ko tendons ta zaren kai tsaye kansa.

A cutar za a iya classified a matsayin m ko na kullum.

A cikin farko idan da gazawar ne saboda abin da lalacewar ta zobe da samuwar wani ƙurji a kan bango na infective endocarditis ko jikkata (yafi a lokacin tiyata). Haka kuma, a cikin hanyar m rashin lafiya na iya zama da kwarara bude yatsun mutunci take hakkin a sakamakon da perforation ko rushewa, atrial myxoma.

Irin wannan ci gaba da cutar da kuma halin tabarbarewa na ko lalacewar da papillary tsokoki.

Kullum cututtuka taso da kumburi (scleroderma, rheumatic zazzabi, tsari lupus erythematosus) da kuma degenerative (calcification na annulus fibrosus, Ehlers-Danlos ciwo da kuma Marfan ta, pseudoxanthoma) canje-canje. Tasiri m da kuma Farawa. Domin irin haka ya kamata a kira fibroelastosis endocarditis, transposition daga cikin manyan tasoshin, da anomaly a cikin ci gaban da hagu jijiyoyin zuciya jijiya. Kullum gazawar auku a ƙeta ci a lokacin fetal primordia samuwar bawul. Saboda haka, akwai wani fili endocardial filõli. Myxomatous degeneration na mitral bawul (ta bude yatsun) kuma tasowa a kullum form.

Hakika, da take hakkin da rufe aiki iya jawo da kuma tsarin canje-canje. Sun bayyana, yawanci a hypertrophic cardiomyopathy, hutu Chords tendons (sakamakon sakandare tsokar zuciya infarction, prolapse, traumas, kazalika da maras wata-wata) paraproteznoy fitsari tasowa saboda shigowa na sutures.

Kullum gazawar iya haifar daga infective endocarditis, kafa a cikin 'yan qasar ko} afar roba bawul.

Dangane da tsananin regurgitation ne uku digiri.

Farko - unexpressed - ne halin da ganewa na jini samu request ne kawai a bawul. Lokacin da na biyu ikon kiyaye matsakaici fadada atrium. Kamar wancan postback halayyar ta tsakiya part.

A cikin uku digiri akwai babba dilatation. Kamar wancan reguritatsii halin yanzu za a iya isa ga raya yankin na bango a hagu atrium.