Puas yog marginal cord insertion suav tias muaj kev pheej hmoo siab?
Puas yog marginal cord insertion suav tias muaj kev pheej hmoo siab?

Video: Puas yog marginal cord insertion suav tias muaj kev pheej hmoo siab?

Video: Puas yog marginal cord insertion suav tias muaj kev pheej hmoo siab?
Video: Xov Xwm 03/19/2022: Kev Puas Tsuaj Ntawm Tsov Rog Russia & Ukraine Nrog Rau Ntau Lub Teb Chaws 2024, Kaum ib hlis
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Taw qhia. Zoo siab thiab marginal qaum insertions tshwm sim nyob rau hauv 1.5 thiab 6.3% ntawm tag nrho cov singleton cev xeeb tub, raws li, nrog rau ob qho tib si mob yog txuam nrog ib tug nce kev pheej hmoo ntawm qhov tshwm sim tsis zoo ntawm cev xeeb tub 1. A marginal qaum insertion (piv txwv li <2.5 cm ntawm qhov chaw placental) muaj cov ntaub so ntswg tsis zoo.

Ib yam li ntawd, koj tuaj yeem nug, puas yog marginal cord insertion ntau?

Marginal qaum insertion (MCI) thiab velamentous qaum insertions (VCI) yog categorized li txawv txav PCI [1]. VCI yog yim npaug ntxiv feem ntau nyob rau hauv ntxaib tshaj ib leeg cev xeeb tub, nrog ob npaug ntawm kev pheej hmoo nrog cov menyuam ntxaib monochorionic, thiab peb zaug ntawm kev pheej hmoo ntawm kev xeeb menyuam ntxaib nrog kev txwv kev loj hlob ntawm fetal [4].

Kuj Paub, dab tsi yog qhov txaus ntshai ntawm marginal cord insertion? Thaum cev xeeb tub nrog anomalous cord insertion [velamentous (VCI) los yog marginal (MCI)] qhov kev pheej hmoo ntawm preeclampsia, abruption ntawm placenta, placenta previa, fetal kev loj hlob txwv, yug ntxov ntxov thiab kev tuag ntawm tus menyuam hauv plab yog nce ntxiv, nrog rau kev pheej hmoo ntawm niam muaj teeb meem nyob rau theem thib peb ntawm kev ua haujlwm 3, 4.

Ib sab saum toj no, puas yog marginal cord insertion cuam tshuam rau kev xa khoom?

Kev loj hlob mus rau ib velamentous qaum insertion Raws li qhov tshwm sim ntawm "placental trophotropism" tuaj yeem pom nyob rau tom qab theem ntawm cev xeeb tub . Thib ob peb lub hlis twg marginal qaum insertion tuaj yeem cuam tshuam nrog kev nce ntxiv rau qis yug hnyav, pre-term kev xa khoom thiab cov txiaj ntsig tsis zoo ntawm obstetricical thiab neonatal tshwm sim 8.

Dab tsi yog marginal umbilical qaum?

Zoo siab thiab marginal qaum insertions (MCIs) yog categorized li txawv txav. Marginal qaum insertion yog txhais raws li qhov insertion ntawm lub txoj hlab ntaws nyob deb ntawm <3. cm los ntawm placental margins [2. Peripheral insertion ntawm txoj hlab ntaws.

Pom zoo: