右心室"泡时间"用于识别患有右心室功能障碍的患者
Allison Cohen1, Timmy Li1, Nicholas Bielawa2
1Department of Emergency Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY; Department of Emergency Medicine, North Shore University Hospital, Manhasset, NY.
右心室 (RV) 泡时间是一种新的心声回声学方法,可以准确地识别急诊室的RV功能障碍. 40秒或更长的RV泡泡时间表明功能障碍,有助于快速诊断.
科学领域:
- 心脏病学 心脏病学
- 紧急医疗 紧急医疗
- 诊断成像 诊断成像 诊断成像
背景情况:
- 右心室 (RV) 功能障碍是一种需要及时诊断的关键状况.
- 目前在急诊室 (ED) 诊断RV功能障碍的诊断方法可能耗时.
- 需要对RV功能障碍进行快速,准确的床边测试.
研究的目的:
- 评估一种用于评估RV功能障碍的新方法,使用ED中的RV"泡时间".
- 确定RV泡时间的最佳切断值,以区分具有和没有RV功能障碍的患者.
- 报告RV泡时间的诊断测试特征.
主要方法:
- 潜在的诊断准确性研究涉及血液动力学稳定的ED患者.
- 床边回声心脏学测量RV泡泡时间后盐溶液冲洗.
- 黄金标准:在36小时内进行全面的心脏病学家解释的回声心脏图,以评估RV应变或扩大.
主要成果:
- 纳入了196名患者;69人 (35.2%) 患有VR功能障碍.
- 在RV功能障碍患者中,RV泡时间的中位数为62秒 (IQR:52-93),而在没有 (P<.0001) 的患者中为21秒 (IQR:12-32).
- 最佳切断点:RV泡时间≥40秒,对RV功能障碍显示97%的灵敏度和87%的特异性.
结论:
- 在ED患者中,RV泡时间≥40秒对于检测RV功能障碍非常敏感.
- RV泡泡时间<40秒是特定的,用于识别没有RV功能障碍的患者.
- 需要在更广泛的患者群体和非专业的超声波医生进行进一步的研究.
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