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应用超声斑点追踪技术评价动脉导管未闭封堵前后心脏旋转运动的变化

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摘要 目的评价超声斑点追踪显像技术(STI)对动脉导管未闭(PDA)封堵前后心脏旋转运动的意义。方法选择PDA患者25例(PDA组),采用STI检测PDA患者封堵术前、术后3d及对照组舒张期末左室内径(LVEDD)、左室舒张末容积(LVEDV)、左心室射血分数(LVEF)、左心室的基底段旋转角度峰值(Prot-base)、心尖段旋转角度峰值(Prot-ap)、中间段旋转角度峰值(Prot-mid)和左室扭转角度峰值。对照组为健康体检者25例。结果 PDA组术前LVEDd、LVEDV较对照组升高(P<0.05);PDA术后LVEDD、LVEDV降至正常。PDA组手术前后LVEF低于对照组,但差异无统计学意义(P>0.05)。PDA组术后Prot-base、Prot-mid、Prot-ap和左室扭转角度峰值较术前有所下降,差异无统计学意义(P>0.05)。结论 STI可以对PDA封堵前后心脏旋转运动进行良好评价。
出处 《江苏医药》 CAS 北大核心 2014年第1期91-92,共2页 Jiangsu Medical Journal
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