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超声二次谐波心肌造影与双核素心肌显像对心肌灌注的评价
Authors
梁 旭
董少红
Publication date
1 January 2002
Publisher
Editorial Office of Journal of Sun Yat-sen University
Abstract
【目的】对比研究超声二次谐波心肌声学造影与双核素心肌显像对心肌灌注的诊断价值。【方法】对14 例冠心 病人和6 例可疑冠心病者进行冠脉造影(CAG)、经静脉超声二次谐波心肌声学造影(MCE)和双核素单光子发射计算机体层 摄影术(SPECT)心肌显像三项检查, 共入选冠脉60 支和心肌区段180 个。MCE 和SPECT 以左心室9 段分法进行心肌灌注 记分, 以CAG 结果为金标准进行MCE 和SPECT 的对比分析。【结果】对冠心病的诊断价值:MCE 和SPECT 敏感性均为 92.8%, 特异性分别为83.3%和66.7%, 阳性预测值分别为92.8 %和86.7 %, 阴性预测值分别为83.3%和80.0%, P 均> 0.05。两种方法对左前降支、左回旋支病变检出的敏感性、特异性均较右冠状动脉高。根据冠脉狭窄程度将60 支冠脉分为4 组, 各组之间MCE 分值差异显著, 狭窄程度越大, 分值越小, P <0.05 ~ 0.001, 同一组中, MCE 与SPECT 分值差异均无显著 性。MCE 分值与SPECT 分值呈显著正相关(r =0.78, P <0.01)。【结论】经静脉MCE 与双核素SPECT 均能有效地检出病 变心肌范围和病变冠状动脉, 两者对评价心肌灌注有很好的相关性
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Last time updated on 15/10/2024