在怀孕期间早产卵孔的限制/关闭:心声学特征和重叠与大动脉缩
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Updated: Mar 11, 2026

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Closure of a Patent Foramen Ovale PFO: An Intervention Sequence
Published on: December 23, 2022
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Laura Ieno1, Federica Altavilla2, Ignazio Massimo Scimone3
1Unit of Gynecology and Obstetrics, Department of Human Pathology of Adults and Developmental Age, "G. Martino" University Hospital, Messina, Italy.
概括
这项研究发现,卵巢孔 (FO) 的限制或过早关闭发生在1.5%的正常第三季度怀孕中. 关键的心声回声学标志包括右心房扩张和改变的心房间间移动,这对诊断至关重要.
科学领域:
- 心脏病学 心脏病学
- 胎儿医学 胎儿医学
- 医疗成像医学成像
背景情况:
- 卵孔 (FO) 在胎儿循环中起着至关重要的作用,将含氧血液引导到心脏的左侧.
- 评估FO作为一个复杂的解剖学和功能系统至关重要,特别是在第三个三个月.
- 过早的FO限制或关闭是胎儿心声学中诊断上具有挑战性的条件.
研究的目的:
- 为了评估卵孔 (FO) 限制或过早关闭在生理上正常的第三季度怀孕中的发生率.
- 识别和审查关键的心声回声学特征,表明FO限制或过早关闭.
- 为了提高诊断能力,这种临床相关的胎儿状况.
主要方法:
- 一项追溯性研究,对600名未经并发症的怀孕妇女进行胎儿心声扫描 (怀孕22-38周).
- 对FO的评估包括 septum primum形态/移动性, ostium secundum配置和心房间间的分流 (颜色多普勒).
- 使用间接的血液动力学标记器和一个经验丰富的操作员.
主要成果:
- 观察到FO限制或过早关闭的发病率为1.5% (9/600胎儿).
- 关键的心声回声检查发现包括右心房扩张 (100%),右心室/肺动脉占主导地位,以及改变的心房间间的分流.
- 形态上广泛的FO有时在功能上有限制;所有病例都有良好的产后结果.
结论:
- 卵巢孔 (FO) 的限制或过早关闭发生在约1.5%的正常第三季度怀孕中.
- 像右心房扩张和受损的心房间间转移这样的心声学标志对于识别FO功能障碍至关重要.
- 通过胎儿心声学早期识别对于管理潜在的新生儿影响至关重要.
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