相关实验视频
Updated: Jul 21, 2025

Ultrasonic Assessment of Myocardial Microstructure
Published on: January 14, 2014
下游成像研究并没有显著改善大多数患有胸痛的患者的结果,这些患者在压力ECHO研究中没有达到目标心率
Nativ Henkin1, Ifat Karilker2, Sergio L Kobal3,4
1Department of Family Medicine, Clalit Health Services, Sharon-Shomron District, Kfar-Saba 4428164, Israel.
患有胸痛的患者在心声图压力测试中不能达到目标心率,可能不需要额外的成像. 进一步的测试只建议那些患有糖尿病,已知的冠心病或在测试前服用β抑制剂的人.
科学领域:
- 心脏病学 心脏病学
- 诊断成像 诊断成像 诊断成像
背景情况:
- 心声压力测试对于评估胸痛至关重要.
- 许多患者无法达到目标心率,需要进一步调查.
- 在这个子组中,额外的成像测试的有效性尚未得到充分证实.
研究的目的:
- 为了评估额外的成像测试的有效性,胸痛患者在心声压力测试期间没有达到目标心率.
- 为了确定是否进一步的心脏成像是有益的,当压力回声心脏图是不确定的,由于心率限制.
主要方法:
- 在没有缺血变化的压力心声图上未达到目标心率的415名患者的研究小组与达到目标心率的415名患者的对照组进行了比较.
- 从电子医疗记录中收集了1年后的成像测试 (MPI,CTA),干预 (PCI) 和心脏事件的数据.
- 分析了患者的特征,药物使用和特定的心率值.
主要成果:
- 17.6%的研究小组接受了额外的成像检查,其中16.4%的结果异常,但只有1.7%进行了皮肤间干预 (PCI).
- 在对照组中,6.7%接受了额外的成像,没有异常发现,0.5%接受了PCI.
- 接受PCI的患者通常有糖尿病,高血压,已知的冠状动脉疾病等危险因素,或服用β阻塞剂,并且没有达到目标心率的78%.
结论:
- 额外的成像研究往往可以安全地推迟在患者胸痛谁有正常的压力心声图,即使目标心率没有实现.
- 对于糖尿病患者,已知冠状动脉疾病患者,服用β阻塞剂患者或达到目标心率<78%的患者,请考虑额外的成像.
- 这种方法可以帮助避免不必要的程序和医疗费用,同时确保对高风险个体提供适当的护理.
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