...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Radiology >Calcification of coronary arteries: detection and quantification with double-helix CT.
【24h】

Calcification of coronary arteries: detection and quantification with double-helix CT.

机译：冠状动脉钙化：双螺旋CT检测和定量。

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

PURPOSE: To evaluate the accuracy of double-helix computed tomography (CT) in coronary artery calcification detection and quantification. MATERIALS AND METHODS: One hundred sixty patients with coronary disease (135 men, 25 women; age range, 45-62 years), of whom 138 had obstructive (stenosis of > 50% of diameter; n = 129) or mild (< 50% stenosis; n = 9) coronary artery disease (CAD) and 22 had normal coronary arteries (per angiographic findings), and 56 age-matched healthy control subjects underwent double-helix CT. RESULTS: Double-helix CT findings indicated that calcification was significantly more prevalent in patients with CAD (> 83%) than in patients with normal coronary arteries (27%) or in healthy control subjects (34%; P < .01). Sensitivity in detecting obstructive CAD was high (91%); however, specificity was low (52%) because of calcification in nonobstructive lesions. Comparison of double-helix CT and angiographic findings indicated that double-helix CT was 84% accurate with positive and negative predictive values of 89% and 59%, respectively. CONCLUSION: Double-helix CT is a useful noninvasive method for detection and quantification of coronary artery calcification.
机译：目的：评估双螺旋计算机断层扫描（CT）在冠状动脉钙化检测和定量中的准确性。材料与方法：一百六十例患有冠心病的患者（男性135例，女性25例;年龄范围45-62岁），其中138例患有阻塞性疾病（直径> 50％狭窄; n = 129）或轻度（<50）狭窄百分比; n = 9）冠状动脉疾病（CAD）和22例冠状动脉正常（根据血管造影结果），并且56位年龄匹配的健康对照受试者接受了双螺旋CT检查。结果：双螺旋CT结果表明，CAD患者（> 83％）的钙化明显高于正常冠状动脉患者（27％）或健康对照组的钙化（34％; P <.01）。检测阻塞性CAD的敏感性很高（91％）;然而，由于非阻塞性病变的钙化，特异性较低（52％）。双螺旋CT和血管造影结果的比较表明，双螺旋CT的准确度为84％，阳性和阴性的预测值分别为89％和59％。结论：双螺旋CT是一种有用的非侵入性方法，用于检测和定量冠状动脉钙化。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号