Bifurcation - shi ne ... da aortic bifurcation

Kalmar "bifurcation" da aka yi amfani da likita adabi na dogon lokaci. Yau mun sani dama Concepts da suka hada da a cikin abun da ke ciki da kalmar.

A kan ma'anar da kalmar

Bifurcation - shi ne wani tsaga. Bugu da ƙari, yawanci wannan ra'ayi ya nuna cewa division faru a 2 sassa tare da kimanin guda diamita. Yana da muhimmanci cewa biyu rassan diverging karkashin m kusassari. Excellent misalai iya zama da bifurcation na carotid jijiya, lakã ko trachea.

Duk da cewa wannan lokaci ne mafi kyau "kama" shi ne magani, yana yiwuwa su yi amfani da shi a wasu yankunan. Alal misali, a cikin labarin kasa, wani lokacin akwai irin wannan abu a matsayin kogin bifurcation.

Tamanin da bifurcation a magani

Rabuwa a cikin biyu kamar daidai reshe tasoshin ko trachea yana da babban daraja. Alal misali, bifurcation na lakã damar kullum samar jini to duka biyu ƙananan extremities. Ta hannun jari mafi girma a jirgin ruwa na jikin mutum, dama da hagu femoral jijiyoyi. A daidai wannan lokaci shi damar da tracheal bifurcation oxygen wadata biyu haske daidai. Saboda haka cewa bifurcation - shi ne wani muhimmin abu a magani.

a kan lakã

Bifurcation - shi ne rabo a cikin biyu kamar daidai sassa. A cikin hali na lakã, ajalin da aka yi amfani da na dogon lokaci, amma a gaskiya shi ne ba quite gaskiya. Gaskiyar cewa kowa iliac arteries su yi daidai ba da kari daga cikin lakã da kuma rassansa kawai. Ta kanta gangara har ƙananan a cikin wani nau'i na kananan bakin ciki jirgin ruwa.

Aortic bifurcation auku a matakin na lumbar vertebra IV. The site ne daya daga cikin mafi muhimmanci cikin sharuddan da kwanciyar hankali da jirgin ruwa zuwa wani m jini. Gaskiyar cewa a nan quite sau da yawa da aortic dissection. Saboda irin wannan halin da ake ciki da cewa bifurcation - shi ne wani wuri da aka kaiwa da komowar da ya karu da tasiri daga cikin jini. A nan ne ya kamata a rarraba a kan biyu kowa iliac jijiyoyi. A sakamakon haka ne daban-daban irin jini haukan kogi da kuma tareda žata effects daga wadannan gudana a kan jirgin ruwa bango a shafin na wani bifurcation.

Bugu da kari ya yiwu aneurysm na lakã a cikin sharing akwai m preconditions ga samuwar atherosclerotic plaques. Wannan shi ne saboda cewa da rauni daga cikin jirgin ruwa inda akwai wani jijiya bifurcation cikin 2 sassa, shi ya faru sau da yawa fiye da a kowane sauran yankunan. A hankali kara a size, wannan plaque iya rage jini ya kwarara zuwa pelvic gabobin da ƙananan extremities.

aortic bifurcation raunuka ciwo

Wannan cuta ne mai hadarin gaske. Yana kawo mai yawa da rashin jin daɗi ga mãsu haƙuri kuma iya tsanani cutar da lafiyar jikinsa. Mafi sau da yawa ciwo ne tare da wani kashi ba kawai yankin na aortic bifurcation kanta, amma kuma a wasu yankunan. Muna magana ne game da koda da na kowa iliac jijiyoyi. Bugu da ari pathological aiwatar kara kawai kwata na marasa lafiya.

Babban fasali na ciwo aortic bifurcation ne cuta da jini wurare dabam dabam a cikin tasoshin da ƙananan extremities da kafafuwa. Haka kuma, manyan asibiti manifestations daga wadannan ma da lãbãri a yankuna. Idan muka magana game da ƙananan extremities, da marasa lafiya ji ciwo mai tsanani isa. Bã su da wani da ake kira intermittent claudication.

Wadannan na asibiti manifestations aka bayyana a matsayin, domin dalilin cewa shi ne ischemic (rashin jini wadata a) zafi ne mafi tsanani. A rarrabe da intermittent claudication ne a cikin ciwo na aortic bifurcation ne gaskiya cewa zafi ba sarrafa a cikin tibia, kuma yafi a cikin kwatangwalo, kuma ko da da gluteal tsokoki.

Da yake jawabi game da bayyananen a kan wani ɓangare na pelvic gabobin, yana da muhimmanci a lura da cewa su ne musamman don maza. Suna bayyana a wani karu a libido da kuma raunana erection up to rashin ƙarfi. Ganewar asali ciwo aortic bifurcation rauni dangane karu a jini ya kwarara a cikin tasoshin da ƙananan extremities, wanda aka ƙaddara da aunawa da BP a cikin art da kuma ikon da bugun jini kalaman. Don tabbatar da ganewar asali dauki sfigmo- ko rheovasography. Ba tare da wani musamman magani mai tsanani daga cutar da ake ninkawa ta kwarara.

Da rabo daga cikin carotid jijiya

Bifurcation - wani sabon abu halayyar ba kawai na lakã, amma kuma ga carotid jijiya. Its division auku a matakin na ƙananan gefen thyroid guringuntsi. A wannan yanayin, dama da hagu carotid arteries, duk da gagarumin bambance-bambance cikin Length na site, shi ne zuwa kashi waje da ciki rassan nan.

Kamar yadda shi ne yanayin da lakã, irin wannan bifurcation - wani wuri na ƙãra hadari. Yana kuma iya ci gaba aneurysms da sauran pathological tafiyar matakai saboda ya karu daukan hotuna zuwa jini ya kwarara a site da jirgin ruwa. Flue jijiya ne karami a diamita ne kamar sau 2 idan aka kwatanta da "magabacin". A sakamakon haka, shi ne a wuri bifurcations sun ƙãra hadarin trombotizatsii da embolization. A saboda wannan dalili, a cikin hali na abin da ya faru na m asibiti likitoci da farko yayi nazari arteries division sarari, sa'an nan kuma zuwa ga sauran rabo daga gare shi.

Bifurcation farko pneumatic hanya

A trachea ne m jiki wanda yake da alhakin gudanar da iska zuwa cikin bronchi, sa'an nan kuma zuwa ga huhu. A da tsarin yana da babban lamba (up to 26) cartilaginous zobba cewa hana trachea bice.

tracheal bifurcation auku a sama baki na V thoracic vertebra. A yara, shi ne dan kadan mafi girma. Bugu da ƙari inspiratory bifurcation matakin canja ta game da 2-3 cm zuwa ƙasa. Ga manyan aeriferous fili ne zuwa kashi dama da hagu babban bronchi. A nan gaba, suna karya akai-akai. The ma'anar asali na tracheal bifurcation aka tsagawa daya manyan pneumatic hanya zuwa 2 karami su. Wajibi ne a dauki stock na oxygen kai tsaye zuwa biyu huhu. A bifurcation na trachea aka yi a wani kwana na kimanin 70 ^o. Inhalation aiki bangaren iya da ɗan ƙara.