Arteriovenous nicking, tseem hu ua AV nicking, yog qhov tshwm sim qhov twg, ntawm kev kuaj ntawm lub qhov muag, cov hlab ntsha me (arteriole) pom hla cov leeg me me (venule), uas ua rau compression ntawm cov leeg nrog bulging ntawm ob sab ntawm kev hla.
Ntxhais qias neeg yog dab tsi?
Retinal arteriovenous nicking (AV nicking) yog qhov tshwm sim qhov twg lub venule yog compressed los yog txo nyob rau hauv nws caliber ntawm ob sab ntawm ib tug arteriovenous hlaKev tshawb fawb tsis ntev los no qhia tias retinal AVN cuam tshuam. nrog ntshav siab thiab kab mob plawv xws li mob stroke.
Vim li cas AV nicking?
Prevalence ntawm AV nicking thiab focal retinal arteriolar nqaim nce nrog lub hnub nyoog thiab nyob nruab nrab ntawm 4.2% rau 14.3% rau AV nicking thiab 5.3% rau 14.9% rau focal retinal arteriolar nqaim. Qhov sib thooj 5-xyoo tshwm sim yog 6.5% rau 9.9%.
Dab tsi ua rau AV nicking ntawm qhov muag?
Arteriovenous Nicking
- Indentation (nicking) ntawm retinal veins los ntawm txhav (arteriosclerotic) retinal arteries.
- Qhov ua rau ntau tshaj yog mob ntshav siab.
- Cov cim tseem ceeb ntawm kev mob ntshav siab ntev uas tau ua rau muaj kev puas tsuaj rau cov hlab ntsha lwm qhov hauv lub cev (lub plawv, ob lub raum, hlwb)
AV hla kev hloov pauv dab tsi?
AV hla kev hloov pauv tshwm sim thaum cov hlab ntsha tuab hla hla lub venule thiab tom qab ntawd compresses nws raws li cov hlab ntsha sib koom ua ke sib koom ua ke. Cov leeg, tig mus, zoo nkaus li nthuav dav thiab ua rau muaj kev kub ntxhov rau qhov kev hla AV.
