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胸部计算机断层扫描的右心室扩大:急性肺栓塞的预后作用
Rene Quiroz1, Nils Kucher, U Joseph Schoepf
1Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Mass 02115, USA.
Circulation
|May 19, 2004
概括
在CT4室视图上的右心室扩大预测急性肺栓塞 (PE) 患者的不良事件. 这种方法优于轴向视图,用于识别高风险个体.
科学领域:
- 放射学 放射学是一门学科.
- 心脏病学 心脏病学
- 肺部医学 肺部医学
背景情况:
- 急性肺栓塞 (PE) 是致病率和死亡率的重要原因.
- 对急性PE的预测指标对于风险分层和管理至关重要.
- 右心室扩大是急性PE的已知并发症.
研究的目的:
- 为了研究右心室扩大的预后作用在急性PE中的多检测器排列胸部CT上.
- 为了比较不同的CT视图的准确性,以评估右心室扩大.
- 识别急性PE的高风险患者,他们可能会从更密切的监测或积极的治疗中受益.
主要方法:
- 研究了63名CT确诊的PE患者.
- 心声扫描是在CT扫描后24小时内进行的.
- 使用轴向视图和重建的四腔 (4-CH) 视图进行了右和左心室尺寸 (RV(D,LV(D)) 的离线CT测量.
主要成果:
- 在4-CH看法上,RV(D) /LV(D)>0.9在有不良事件 (80.3%) 和没有 (51.3%;P=0.015) 的患者中更为常见.
- 预测不良事件的曲线下的面积为4-CH视图的0.753,而轴向视图的0.667.
- 在4-CH视图上RV(D) /LV(D)>0.9独立预测不良事件 (OR,4.02;P=0.041).
结论:
- 在重建CT4-CH视图上的右心室扩大预测了急性PE患者的不良临床事件.
- 来自4-CH视图的心室CT测量优于轴视图,用于识别高风险患者.
- 这种成像技术可以帮助风险分层并指导急性PE的治疗决策.
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