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320排CT心脏四维容积动态成像在老年房间隔缺损患者介入治疗中的应用价值 被引量:1

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摘要 目的对比分析心脏四维容积动态成像(4D-CCTA)与经胸超声心动图(2D-TTE)评估诊断房间隔缺损(ASD)的效果。方法回顾性分析行ASD介入封堵术的46例老年患者资料。术前除行常规体格检查、心电图、胸部CT外,还进一步经2D-TTE及320排CT心脏4D-CCTA的评估。获取不同方案下ASD短径、长径、等效圆直径的参数。并以侧位胸片上测量封堵器的腰部直径(POS)作为标准对照值。结果46例患者中有3例后改行外科手术治疗。此3例在行4D-CCTA术前检查时均发现介入手术禁忌证,而2D-TTE检查均未提示禁忌证。测量所得的长径、短径和等效圆直径之间进行比较及等效圆直径与POS标准值进行比较,差异无统计学意义(P>0.05)。进一步分析表明,4D-CCTA所得测量值与POS标准值及ASD所用封堵器大小间呈强正相关性。2D-TTE所得测量值与POS标准值同样呈正相关性,但相关性较低,且与ASD所用封堵器大小间无明显相关性。结论320排螺旋CT心脏4D-CCTA能立体精确显示ASD的形态、大小和位置,且其测量值与标准对照值间有强相关性,可作为辅助选择封堵器大小和型号的参考之一。
出处 《中国老年学杂志》 CAS 北大核心 2022年第20期4908-4912,共5页 Chinese Journal of Gerontology
基金 河北省医学科学研究课题(20211799)。
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