Sashin haɗin hawan jini shine likita likitocin da suke amfani dasu don tantance yadda zuciya ke iya zubar da jini. Musamman, ragowar kashi ɗaya shine kashi na jini wanda aka tumbura daga ventricle na hagu (babban ɗakin motsawa na zuciya) tare da kullun zuciya.
Yawancin lokaci, ventricle na hagu yana da kashi 55% ko fiye da jinin jini tare da kowanne kullun, saboda haka kashi-kashi na 'yanci "na al'ada" shine 55% (0.55) ko mafi girma.
Wani kashi kashi 40 na cikin kashi 50% ana dauke da su "a kasa da na al'ada." Masu fama da rashin tausayi na zuciya sau da yawa suna da nau'in sashin jiki wanda ke kasa da kashi 40%.
Terminology na "Ejection Fraction"
Yana da muhimmanci mu lura cewa lokacin da likitoci sun faɗi kalmomi "ɓangaren hakar haɓaka" suna nufin ɓangaren haɓaka na hagu na ventricle. Ƙarin yadda ya kamata wannan za a kira shi "haɗin haɓakar haɓaka mai haɓakar hagu" ko "LVEF" kuma wasu lokuta zaka iya ganin ko ji wannan magana.
Har ila yau, ƙananan ventricle yana da nauyin haɓaka na kansa ("ƙungiyar motsa jiki mai cin gashin kai", ko RVEF). Duk da haka, RASH ba ta da mahimmanci da aka ambata ko magana game da likitoci (rabuwa saboda yana da wuya a auna fiye da LVEF, kuma wani ɓangare saboda sanin ainihin RVEF baya yawan amfani.)
Lokacin da likitanku ya ce "ragowar haɓaka," yana magana ne game da LVEF.
Me yasa cututtukan zuciya ke wasu lokuta sukan haifar da ƙaddarar haɓaka?
Lokacin da ƙwayar zuciya ta zama mai rauni, ƙwayoyin tsoka ba su iya cika kwangila.
Wato, raguwa da ƙwayoyin tsoka da ke faruwa tare da ƙwayar ƙwayar tsoka yana ragu. Wannan yana nufin cewa, sai dai idan akwai fansa don rashin lafiya na jiki, adadin jini da aka bugu tare da kowace ƙyallen zuciya (" kararrakin jini ") zai ragu.
Don ramawa saboda wannan kuskure, zuciya yana ɓacewa, yana ƙyale ƙimar ƙwayar cuta ta al'ada (ko kusa-al'ada) ta kiyaye duk da rage ƙananan ƙwayar tsoka.
Wannan dilation yana nufin cewa yaduwar jini da ake fitarwa a lokacin ƙwaƙwalwar ƙwayar zuciya ya ragu (wato, sashin haɗin gwal yana da yawa) - amma ƙarar jini yana ci gaba da zama a matakin da ya dace.
Wani suna kuma don dilantakar zuciya na zuciya wanda yake faruwa da zuciya mai tsoka yana "sakewa."
Yaya Yayi Sakamakon Sakamakon Yaduwa?
Ƙwararrakin haɓakawa mafi yawanci ana auna shi tare da echocardiogram , amma za'a iya auna shi ta hanyar duba MUGA ko lokacin kumburi na zuciya . Hanyoyin MUGA yawanci shine ƙwarewar hanya mafi dacewa da kuma yadda za'a iya tsarawa don auna ƙananan haɓaka, kuma ana amfani dashi a lokuta da aka maimaita, ana buƙatar ma'aunin daidai; misali, lokacin da ake amfani da chemotherapy wanda zai iya zama mai guba ga tsoka tsoka - mafi yawancin, doxorubicin (Adriamycin) .
Ta yaya likitoci suke yin amfani da Sakamakon Fraction?
Ƙarfin haɗakarwa yana da amfani a matsayin ma'auni na ƙarfin zuciya na zuciya. Ƙananan ƙananan haɓaka, wanda ya fi ƙarfin zuciyar tsohuwar jiki (tun da yake an buƙatar ƙwayar zuciya na zuciya don kula da ƙwayar zuciya na zuciya). Idan sashi na hawan jini yana fadowa, ma'ana yana nufin ƙwayar zuciya ta zama mai rauni. Ƙara yawan haɓaka mai yaduwa yana nufin maƙarƙashiyar ƙarfin tsoka yana inganta.
Doctors yi amfani da ƙananan haɗin gwiwar don bincikar cututtukan zuciya , don tantance tasirin maganin kiwon lafiya don karfafawa ko inganta cikewar zuciya, da kuma yanke shawara a kan mafi kyawun maganin maganin zuciya.
Alal misali, sashi na haɓaka na kasa da kashi 35% yana kara yawan rashin lafiyar mai haƙuri akan ƙaddamar da ƙwaƙwalwar zuciya , kuma a cikin duka ya kamata ya jawo tattaunawa game da defibrillator wanda ba shi da kyau.
Sources:
Lang RM, Bierig M, Devereux RB, et al. Shawarar da aka yi wa jam'iyya mai mahimmanci: rahoto daga Ƙungiyar Harkokin Gudanarwa na Ƙungiyar Echocardiography da Ƙungiyar Tattalin Ƙididdigar Ƙungiya, ta haɓaka tare da Ƙungiyar Ƙasa ta Ƙungiyar Turai ta Echocardiography, wani reshe na Ƙungiyar Harkokin Kasuwancin Turai. J Am Soc Echocardiogr 2005; 18: 1440.