Cardiology. oval window

Patent foramen ovale na obi dị n'etiti ndị atria. Nke a bụ a obere oghere maka ẹmbrayo development , so na- ebu n'afọ na mgbasa. Na ya isi, na oval window na obi nke ndị usoro bụ agbanwe na n'ahụ. N'ihi na-arụ ọrụ nke ngụgụ ọ dịghị mkpa maka a nnukwu oruru ọbara ha, oxygen-ọgaranya ọbara ọkọkpọhi ka nwa ebu n'afọ site na Plasenta.

Open oghere n'etiti atria bypasses obere (akpa ume) gburugburu. Usoro a na-akpọ "bridging." Ke adianade do, nrugharị dị otú ahụ a ụzọ na-eme ozugbo na-abanye ọgaranya ọbara ka ụbụrụ na-arụsi ọrụ na-emepe emepe na okpụkpụ nwa.

A, foramen ovale emechi mgbe amuchara nwa. Nke a bụ n'ihi na ọbara mgbali elu (ọbara) na n'aka ekpe nke obi.

Ọ ga-kwuru na ụmụ nile-mgbe na-mụrụ na patent foramen ovale. Dị ka omume na-egosi, ejikari, oghere na-emechi ke akpa ọnwa. Otú ọ dị, banyere 15-20% nke ọrịa na-adị ndụ ruo iri afọ anọ na patent foramen ovale. Nke a na egosi jikọtara a dị iche na Ọdịdị nke onu. Eziokwu ahụ bụ na foramen ovale bụ a flaapu nke bụ na usoro nke gụnyere ya ná ekpe atrium kpuchie. N'ihi ya, ọbara na-gbochiri penetration n'ime nri atrium.

Ma n'ọnọdụ ụfọdụ, jikọtara na ụba mgbali na obi na ndabere nke anụ ahụ nchegbu (maka defecation, Nje ụkwara na ndị ọzọ nsogbu) valvụ emepe. Ichebe emeghe oghere na-eme ka ụfọdụ bughi ntụpọ na mgbidi, nakwa dị ka size nke oval window.

Dị ka kwuru na-egosi, site n'aka ekpe gaa n'aka nri shunting ọbara ekpe atrium ka nri na-adịghị esonyere site na ihe ọ bụla ihe ịrịba ama na-egosi ya edidu, na-eri eri, otú asymptomatic. Na nke a na ejection ọbara na agbara direction (site na nri-ekpe atrium) nwere ike ime ka na-adịgide adịgide ma ọ bụ na-akwụsị akwụsị ihe ịrịba ama nke cyanosis. Dị ka a na-achị, na steeti a na-kpatara na-abawanye na akpa ume vaskụla eguzogide akwara usoro na ndabere apnea nwunye, ume, na-eti mkpu, na ndị ọzọ nsogbu. Na njikọ na ntọhapụ nke ndiiche ọbara n'ime ekpe atrium, na-adịgide adịgide cyanosis (bluish coloration nke anụ ahụ na mucous membranes) nwere ike nọgidere na-enwe n'oge a mụrụ nwa ọhụrụ afọ. Eliminates ala mgbe mmalite nke ikpuru Mbelata ke akpa ume akwara.

The oval window na-emechi nká nwere ike ime ka e guzobere dị iche iche ntụpọ. Ya mere, n'oge mmechi nke aghara nwere ike ike so mmepe nke ekpe obi hypoplasia na ntoputa nke ya ngalaba.

Oval window, mụbara na size, nwere ike ime ka e guzobere paradoxical embolism, Bilie ịrịba ama nke na-akwụsị akwụsị ọgụ (ischemic) ma ọ bụ ọrịa strok. Dị ka ọmụmụ, adịghị mechie window enwekwu puru nke ischemic ọrịa strok site dị 40%.

The ihe ịrịba ama nke ọnụnọ nke ihe na-emeghe window na obi na-agụnye paroxysmal migraine isi ọwụwa. Taa, ọ ka na-agụghị oké ghọtara usoro mmepe nke ala megide ndabere nke bụghị emechi onu. N'ọnọdụ ka ukwuu, omume nke ihe mgbu na-akọwa microembolization na ụbụrụ thrombi (egbochi mkpụkọ nke ọbara obere), na mmetụta nke bekee guzobere usoro nke veins na abami kpọmkwem n'ime ụbụrụ arịa.

Adịkarịghị ke ọnụnọ nke na-emeghe onu na obi nwere ike ịzụlite ortodeoksii platipnoe syndrome. Nke a ọnọdụ e ji a ọnụ ke saturation (saturation) ọbara oxygen na ọtọ wee na-na ahu so iku ume ọkụ ọkụ.