非极度早产的儿童的心肺运动表现
Sotirios Fouzas1, Aikaterini Nourloglou1, Aggeliki Vervenioti1
1Department of Pediatrics, University of Patras School of Medicine, 26504 Patras, Greece.
Children (Basel, Switzerland)
|February 24, 2024
概括
没有极度早产的孩子,特别是怀孕34周之前的孩子,表现出运动能力下降. 这与运动期间呼吸模式的改变和氧气使用障碍有关,而不是心脏或肺部的限制.
科学领域:
- 儿科肺病学 儿科肺病学
- 运动生理学 运动生理学
- 新生儿医学 新生儿医学
背景情况:
- 关于非极度早产的儿童的运动耐受性数据有限.
- 了解心肺运动测试 (CPET) 的特征对于这一群体至关重要.
研究的目的:
- 探索非极度早产的学龄儿童的CPET特征.
- 为了比较早产和满产儿童之间的运动表现.
主要方法:
- 63名早产儿 (怀孕29-36周) 和63名早产对照 (7-12岁) 接受了螺旋计和循环人体计CPET.
- 评估了氧气吸收峰值 (VO2峰值),呼吸系统和心血管限制.
主要成果:
- 过早出生儿童的VO2峰值明显较低 (预测<80%),与过期出生对照 (49.2%与25.4%) 相比.
- 在怀孕34周之前出生的孩子的VO2峰值低于晚期早产和晚期出生的孩子.
- 在34周之前出生的人群中观察到改变的呼吸反应 (更高的呼吸速率,更低的潮体积) 和受损的氧气利用率.
结论:
- 怀孕29-34周之间出生的学龄儿童的运动表现可能有所下降.
- 这种减少可能是由于呼吸反应的改变和骨肌肉氧气利用的受损.
- 除了呼吸道或心血管因素以外的心肺功能限制似乎不那么重要.
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