低动力循环是妊娠期高血压疾病中的一种特殊血流动力学状态，以高外周血管阻力（Total Peripheral Vascular Resistance, TPVR）和低心输出量（Cardiac Output, CO）为核心特征，常伴随左心室向心性几何重构。其病理生理基础为血管收缩和低血浆容量状态，导致组织灌注不足。

（编辑推荐）本综述系统阐述了胎儿生长受限(FGR)早期与晚期亚型的母体血流动力学特征，指出两者均存在低血容量性循环(hypovolemic state)和总外周血管阻力(TPVR)升高，可通过超声心动图等无创技术检测。母体心血管异常在孕前即可识别，为FGR的早期干预提供了新靶点。

The mere idea of heart surgery is enough to give anyone the shakes. Open-heart surgery used to be hard years ago. It had a ...

The TPVR procedure requires a thorough pre-procedural evaluation, including patient history, physical examination, chest radiographs, electro- and echo-cardiograms, and imaging tests to ascertain ...

The TPVR provides an alternative for those not eligible for open-chest operations because of the risks such as large trauma, and slow recovery, a spokesperson of Venus Medtech told BioWorld. Venus ...

HANGZHOU, China, July 13, 2022 /PRNewswire/ -- On July 11, 2022, VenusP-Valve TM, Venus Medtech's in-house developed innovative transcatheter pulmonic valve replacement (TPVR) system, was approved ...

The TPVR procedure requires a thorough pre-procedural evaluation, including patient history, physical examination, chest radiographs, electro- and echo-cardiograms, and imaging tests to ascertain ...

The vast majority (n = 251) of patients received TPVR into a stentless conduit (the analysis cohort), and their results were compared with those of patients who received the transcatheter valve ...