低流输液技术用于形的大动脉门
Takashi Shuto1, Hirofumi Anai2, Tomoyuki Wada2
1Department of Cardiovascular Surgery, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-Machi, Yufu-Shi, Oita, 879-5593, Japan. shutot@oita-u.ac.jp.
General thoracic and cardiovascular surgery
|November 23, 2023
概括
低流输液有效地预防大动脉门手术期间的脑栓塞,通过维持心脏自发输出并实现深度低温. 这种方法可以防止由血流喷流造成的动脉瘤破坏.
科学领域:
- 心血管外科心血管外科
- 神经学 神经学
- 血管外科 血管外科
背景情况:
- 脑梗塞是胸前大动脉疾病和形大动脉患者的常见并发症.
- 大动脉门中的动脉硬性病变在手术期间可能导致脑栓塞的风险.
- 传统的体外循环方法可能会增加栓塞风险.
研究的目的:
- 评估"低流输液"在大动脉门手术期间预防脑栓塞的疗效.
- 为了比较低流输液和正常的体外循环之间的结果.
- 评估一种新的输液技术的安全性和有效性.
主要方法:
- 一项对12名接受"低流量输液" (L组) 的患者和12名接受正常体外循环 (N组) 的患者进行比较研究.
- "低流输液"涉及为心肺绕道而取出部分血液,旨在深度低温,同时保持心脏自发输出.
- 自2019年以来,为修复大动脉门进行了手术手术.
主要成果:
- 组L实现了显著更长的冷却时间到心室动 (9.5分钟对3.6分钟,p <0.01).
- 在L组中,在心室动时达到下鼓温度 (28.2°C vs 32.5°C,p = 0.01).
- 血液流动分析表明,在L组中,大动脉门较小的曲率上减少了壁切应力.
结论:
- 低流量输液可促进足够的内冷却,而不会增加总流量.
- 这种技术通过减轻血流喷气冲击来防止动脉瘤的破坏.
- 低流量输液在大动脉门手术期间提供了一种预防大脑栓塞的保护策略,同时保持本地心脏功能.
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