心脏重塑和运动耐受性在怀孕年龄小:从青春期前到青春期的后续队列研究
Rommy H Novoa1,2, Dora Fabijanovic3,4, Kilian Vellvé1,2
1BCNatal-Barcelona Center for Maternal-Fetal and Neonatal Medicine (Hospital Clínic and Hospital Sant Joan de Déu), Centre for Biomedical Research on Rare Diseases (CIBER-ER), Barcelona, Spain.
Frontiers in cardiovascular medicine
|December 4, 2025
概括
对于妊娠年龄 (SGA) 小的青少年显示心脏结构正常化,但运动能力降低. 补偿生长可能会改善心脏形状,但在这些人中,运动耐受性仍然受损.
科学领域:
- 心脏病学 心脏病学
- 儿科 儿科 儿科
- 发展生物学 发展生物学
背景情况:
- 对于妊娠年龄来说小 (SGA) 影响7%-10%的新生儿.
- SGA与心血管风险增加和成人运动能力降低有关.
- 在SGA胎儿和儿童的心脏变化可能持续到青春期.
研究的目的:
- 评估SGA出生青少年的休息心血管形态和功能.
- 为了评估SGA出生青少年的运动耐受性.
- 了解出生SGA的长期心血管影响.
主要方法:
- 从青春期到青春期,对30名SGA青少年和28名对照组进行了跟踪.
- 心声图被用来评估心脏形态和功能.
- 渐进性心肺运动测试 (CPET) 评估了运动耐受性.
主要成果:
- 与对照人群相比,SGA青少年的左心室从底部到顶部的长度增加更大,LV球状性发生变化.
- 在随访时,在SGA青少年中没有发现左心室尺寸或变形的显著差异.
- 在运动期间,SGA青少年的氧气吸收减少,二氧化碳排放和呼吸流量达到峰值.
结论:
- 在SGA儿童中观察到的心脏重塑和功能障碍似乎在青春期由于补偿性生长而得到改善.
- 尽管心脏结构有所改善,但SGA青少年的运动耐受性显著降低.
- 这些发现凸显出SGA出生对心血管健康和运动能力的持续影响.
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