影像诊断与介入放射学
影像診斷與介入放射學
영상진단여개입방사학
JOURNAL OF DIAGNOSTIC IMAGING AND INTERVENTIONAL RADIOLOGY
2014年
1期
58-61
,共4页
邓小飞%舒政%葛琛瑾%陈雯
鄧小飛%舒政%葛琛瑾%陳雯
산소비%서정%갈침근%진문
体层摄影术,X线计算机%心肌梗死%延迟扫描
體層攝影術,X線計算機%心肌梗死%延遲掃描
체층섭영술,X선계산궤%심기경사%연지소묘
Tomography,X-ray computed%Myocardial infarction%Delay scan
目的:探讨64排螺旋多层CT延迟扫描对心肌梗死的诊断价值。方法选取30例临床怀疑心肌缺血性病变的患者进行常规64排多层螺旋CT冠状动脉造影,于5~10 min后进行延迟扫描。由2名经验丰富的医师在常规扫描及延迟扫描的容积数据进行双盲法诊断,然后将2名诊断医师诊断结果进行Kappa一致性分析。同时将常规扫描、延迟扫描与临床诊断进行敏感性及特异性进行比较。结果两名医师诊断结果在常规扫描时,具有较高的一致性(Kappa值为0.667,P<0.05),而在延迟扫描时,具有高度的一致性(Kappa值0.889,P<0.05)。常规组诊断急性心肌梗死(AMI)的敏感性及特异性66.7%及92.3%,而延迟扫描组诊断心肌梗死的敏感性及特异性为80.0%及96.2%。结论64排多层螺旋CT冠状动脉造影延迟扫描,能提高心肌梗死的检出率及影像医师诊断一致性。
目的:探討64排螺鏇多層CT延遲掃描對心肌梗死的診斷價值。方法選取30例臨床懷疑心肌缺血性病變的患者進行常規64排多層螺鏇CT冠狀動脈造影,于5~10 min後進行延遲掃描。由2名經驗豐富的醫師在常規掃描及延遲掃描的容積數據進行雙盲法診斷,然後將2名診斷醫師診斷結果進行Kappa一緻性分析。同時將常規掃描、延遲掃描與臨床診斷進行敏感性及特異性進行比較。結果兩名醫師診斷結果在常規掃描時,具有較高的一緻性(Kappa值為0.667,P<0.05),而在延遲掃描時,具有高度的一緻性(Kappa值0.889,P<0.05)。常規組診斷急性心肌梗死(AMI)的敏感性及特異性66.7%及92.3%,而延遲掃描組診斷心肌梗死的敏感性及特異性為80.0%及96.2%。結論64排多層螺鏇CT冠狀動脈造影延遲掃描,能提高心肌梗死的檢齣率及影像醫師診斷一緻性。
목적:탐토64배라선다층CT연지소묘대심기경사적진단개치。방법선취30례림상부의심기결혈성병변적환자진행상규64배다층라선CT관상동맥조영,우5~10 min후진행연지소묘。유2명경험봉부적의사재상규소묘급연지소묘적용적수거진행쌍맹법진단,연후장2명진단의사진단결과진행Kappa일치성분석。동시장상규소묘、연지소묘여림상진단진행민감성급특이성진행비교。결과량명의사진단결과재상규소묘시,구유교고적일치성(Kappa치위0.667,P<0.05),이재연지소묘시,구유고도적일치성(Kappa치0.889,P<0.05)。상규조진단급성심기경사(AMI)적민감성급특이성66.7%급92.3%,이연지소묘조진단심기경사적민감성급특이성위80.0%급96.2%。결론64배다층라선CT관상동맥조영연지소묘,능제고심기경사적검출솔급영상의사진단일치성。
Objective The purpose of this study was to assess the value of delayed enhancement 64-detector row CT(DECT) for diagnosing acute myocardial infarct(AMI).Methods Thirty patients with suspected myocardial ischemia underwent coronary CT angiography(CTA).DECT was performed 5-10 minutes after intravenous contrast injection.The images were analyzed by two reviewers independently.The CTA and DECT were compared using k test.Results The consistency between the two observers was higher with the DECT(k=0.889,P<0.05)than that of CTA(k=0.667,P<0.05).The sensitivity(80.0%)and specificity(96.2%) of DECT for diagnosing AMI were also significantly higher(P<0.05)than those of CTA(66.7%,92.3%).Conclusions DECT can assess AMI accurately.