Peak Systolic Blood Flow in the MCA - Perinatology.com
The MCA PSV may used to evaluate anemia in fetuses affected by red blood cell alloimmunization, twin to twin transfusion, twin anemia-polycythemia sequence, alpha …
胎儿超声测量正常值 - 知乎 - 知乎专栏
大脑中动脉搏动指数（mca-pi）值降低、收缩期峰值血流速度（mca-psv）升高是一些不良妊娠预后不好的指标。 但是单独使用MCA血流指标对不良妊娠结局的预测价值并不高，应当脐动 …
Fetal middle cerebral arterial peak systolic velocity
2024年2月12日 · The fetal middle cerebral arterial (MCA) peak systolic velocity (PSV) is an important parameter in fetal MCA Doppler assessment. The fetal MCA should be sampled ~2 …
胎儿大脑中动脉的测量和评估_标准 - 搜狐
2020年6月18日 · 大脑中动脉（ MCA ）是大脑半球血液供应最丰富的血管，可直接反映胎儿颅脑循环的动态变化。 通过测定胎儿大脑中动脉血流指标，能较好地评估胎儿宫内情况，如胎儿 …
胎儿大动脉中动脉超声测量：也许你忽视了这个重要参数 - 丁香园
2018年8月9日 · 经产前多普勒超声测量胎儿大脑中动脉（MCA）的搏动指数（PI）和收缩期峰值速度（PSV）可监测胎儿循环系统状态，对评估高危妊娠合并贫血、宫内生长受限和双胎输血综 …
带你了解胎儿大脑中动脉（MCA）的血流动力学的临床意义
2023年7月31日 · 1.psv（收缩期峰值流速）：正常岁孕周增加逐渐增大. 2.edv（舒张末期血流速度）：正常孕11~12周以后才出现舒张末期血流. 3. pi：搏动指数：正常随孕周增加逐渐降低. …
Middle cerebral artery peak systolic velocity: a new Doppler ... - PubMed
In IUGR fetuses, the trends of the MCA-PI and MCA-PSV provide more clinical information than does one single measurement. A high MCA-PSV predicts perinatal mortality better than does …
非免疫性胎儿水肿临床指南 - 中华妇产科杂志
应评估大脑中动脉血流收缩期峰值流速（middle cerebral artery-peak systolic velocity，MCA-PSV）来筛查胎儿严重贫血，同时应监测静脉导管等其他多普勒血流指标，建议行胎儿心脏超 …
Middle cerebral artery peak systolic velocity and hemoglobin …
3 天之前 · In summary, while MCA-PSV is a valuable non-invasive tool for diagnosing fetal anemia, its effectiveness in post-transfusion monitoring is limited due to significant variability …
Elevated Middle Cerebral Artery Peak Systolic Velocity in a …
Measurement of the middle cerebral artery peak systolic velocity (MCA-PSV) has become the mainstay for the detection of fetal anemia. It has been shown that MCA-PSV measurements …