查詢結果分析
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題 名 | Incremental Values of Tl-201 Myocardial Single Photon Emission Computed Tomography and Contrast-Enhanced Multi-Detector Computed Tomography in Patients with Myocardial Infarction=Tl-201心肌造影檢查與多排螺旋電腦斷層檢查於心肌梗塞病人的評估 |
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作 者 | 彭南靖; 邱寬饒; 吳銘庭; 胡瑨; 邱宇莉; 林冠秀; 吳家尚; 蔡道桂; | 書刊名 | 核子醫學雜誌 |
卷 期 | 24:1 2011.03[民100.03] |
頁 次 | 頁7-14 |
關鍵詞 | 電腦斷層檢查; 心肌梗塞; 心肌血流; 單光子斷層造影檢查; CT; Myocardial infarction; Myocardial perfusion; SPECT; |
語 文 | 英文(English) |
中文摘要 | 背景:隨著影像解析度及柵式心電圖技術的發展,使得多排螺旋電腦斷層檢查能獲得清楚的心臟影像。本研究的目的為比較Tl-201心肌血流造影檢查及多排螺旋電腦斷層檢查於心肌梗塞病人梗塞區域的偵測率,及了解Tl-201心肌血流造影檢查於評估心肌梗塞病人的附加價值。方法:本研究包含24位確定心肌梗塞病史患者。依病人數,心臟冠狀動脈血流分布及區段,以雙尾McNemar's test比較Tl-201心肌血流造影之再分布影像及多排螺旋電腦斷層檢兩者偵測心肌梗塞的數量及嚴重度。另外再根據心導管檢查及/或臨床追蹤結果計算Tl-201心肌血流造影檢查偵測梗塞後缺血的敏感度,專一性及準確度。結果:本研究發現Tl-201心肌血流造影可偵測出中20位病人(29個冠狀動脈血流分布區域,105個區段),16排螺旋電腦斷層檢查可偵測出22位病人(40個冠狀動脈血流分布區域,123個區段)(病人數相符率:0.833,冠狀動脈血流分布相符率:0.736,區段相符率:0.781,McNemar's test於冠狀動脈血流分布:P<0.05)。72個均為陽性的心肌梗塞區段,其嚴重度呈正相關(相符率:0.625)。Tl-201心肌血流造影檢查偵測梗塞後缺血的敏感度,專一性及準確度分別為85.7%,88.2%及87.5%。結論:多排螺旋電腦斷層檢查與Tl-201心肌血流造影檢查提供不同資訊評估梗塞心肌之區域。兩者偵測心肌梗塞區段的嚴重度亦呈正相關。Tl-201心肌血流造影檢查可偵測心肌缺血異常,增加提供心肌梗塞病人梗塞後進一步評估的價值。 |
英文摘要 | Background: With the improvement of the temporal resolution and the electrocardiogram-gating technique, contrast-enhanced multi-detector computed tomography (CE-MDCT) could provide information about myocardial perfusion. The purpose of this study is to compare the detection rate of infarct zone on Tl-201 myocardial single photon emission computed tomography (SPECT) and CE-MDCT and evaluate the value of Tl-20l myocardial SPECT in patients with prior myocardial infarction (MI).Methods: Twenty-four patients with documented history of MI were compared fur myocardial defects and severity between redistribution image of Tl-201 myocardial SPECT and CE-MDCT using two-tailed McNemar's test. The sensitivity, specificity and accuracy of Tl-201 myocardial SPECT for evaluation post-MI ischemia were calculated based on coronary angiography and or clinical follow-up.Results: Myocardial defects were detected in 20 patients (29 territories and 105 segments) with Tl-201 myocardial SPECT, and 22 patients (40 territories and 123 segments) with CE-MDCT (agreement: 0.833 for patients, 0.736 for territories and 0.781 for segments, McNemar's test: P<0.05 for territories). The severity of myocardial defects was analyzed in the 72 segments with both positive Tl-20l myocardial SPECT and CE-MDCT, which showed fair correlation (agreement 0.625). The sensitivity, specificity and accuracy of Tl-201 myocardial SPECT for detecting post-MI ischemia were 85.7%, 88.2% and 87.5%, respectively.Conclusion: CE-MDCT makes different approach to detect the region of infarcted myocardium as compared with Tl-201 myocardial SPECT. Tl-201 myocardial SPECT is able to detect ischemic myocardial abnormalities, and could provide an incremental value in the further evaluation of patients with MI. |
本系統中英文摘要資訊取自各篇刊載內容。