通过多重心脏血池成像评估的动脉内气球送期间的左心室功能
A B Nichols1, G M Pohost, H K Gold
1Cardiac Unit, Cardiac Surgical Unit, Nuclear Medicine Division, Massachusetts General Hospital, Boston, Massachusetts 02114, USA.
Circulation
|September 1, 1978
概括
动脉内气球抽血 (IABP) 通过增强缺血性心肌收缩来改善心室性能. 然而,IABP在急性心肌梗塞患者中没有显著改善区域收缩.
科学领域:
- 心脏病学 心脏病学
- 心血管成像 - 心血管成像
- 机械循环支持 机械循环支持
背景情况:
- 急性心肌缺血综合征对心室性能构成重大风险.
- 大动脉内气球 (IABP) 是一种机械循环支持装置,用于关键心脏状况.
- 评估IABP对心室功能的影响需要精确,非侵入性的方法.
研究的目的:
- 评估大动脉内气球 (IABP) 在急性心肌缺血综合征期间增强心室性能方面的有效性.
- 为了区分IABP对缺血与心肌梗塞的影响.
- 用IABP的支持来评估心室体积和壁壁运动的变化.
主要方法:
- 使用非侵入性多重心脏血池成像来评估心室功能.
- 九名患有不稳定性胸痛的患者和九名患有急性心肌梗塞的患者在IABP内外进行了研究.
- 分析了终端透缩体积,终端抽缩体积和区域壁壁运动.
主要成果:
- 在不稳定的心痛和心肌梗塞组中,IABP显著降低了终端透析和终端收缩体积.
- 在不稳定的心痛患者中观察到改善的细分收缩,这些患者有区域壁运动异常.
- 在心肌梗塞患者中没有注意到区域收缩的显著改善.
- 在IABP期间,心室异能在不稳定性胸痛 (28.2%) 中显著下降,但在心肌梗塞 (4.4%) 中没有显著下降.
结论:
- IABP增强了缺血性心肌的收缩,但并没有增强心肌梗塞.
- IABP通过降低终端透气和终端静脉体积,有效地改善了整体心室功能.
- 这些发现凸显了IABP在治疗某些急性心肌缺血综合征方面的特殊益处.
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