320排CT血管造影对颅内微小动脉瘤检出能力的初步探讨.pdfVIP

eh ect 华脑科疾病与康复杂志(电子版)2013年6月第3卷第3期 ChinJBrainDisR abil(El — — — —ronicEdition),June2013，Vo1．3，No．3 - 临床研 究 · 320排 CT血管造影对颅 内微小动脉瘤 检出能力的初步探讨 叶卓鹏 陈川 秦峰 蔡梅钦 王辉 摘【要】 目的 初步探讨 320排CT三维血管造影(3D—CTA)对颅内微小动脉瘤(3mm)的检 出能力。方法 共 59例患者于起病 3d内完成320排 CTA检查，并随后行数字减影血管造影 (DSA) 检查或手术治疗。以DSA结果及术中所见为标准 ，计算320排3D—CTA对颅内微小动脉瘤的检出率， 并研究320排CTA对其检出的动脉瘤判断为微小动脉瘤的准确性。结果 320排 CTA共检出颅内 动脉瘤47个 ，对微小动脉瘤和较大动脉瘤 (I3ram)的检出率分别为86．7％和93．8％，两组检出率无 显著性差异 (P0．05)。同时，320排CTA能够将检出的动脉瘤准确测量并判定为微小动脉瘤 (敏感 性84．6％，特异性96．7％，准确性93．0％)。结论 320排CTA对颅内动脉瘤诊断效能较高，能够准 确检出既往诊断困难的颅内微小动脉瘤。320排CTA或能成为诊治颅内动脉瘤的首选检查。 【关键词】 颅内动脉瘤；蛛网膜下腔出血；320排 CT血管造影；敏感性 Preliminary research on 320-row multisection CT angiography in detecting intracrani~l microaneurysms YE Zhuo-peng，CHEN Chuan，Qm ，CAIMei—qin，WANGHui．Departmentof Neurosurgery，theThirdAffiliatedHospitalofSunYat-senUniversity，Guangzhou510630，China Correspondingauthor：WANGHui，Email：doctorwanghui@126．corn A【bstract】 Objective Theaimofthisstudywastoexplorethediagnosticperformanceof320一row muhisectionCT angiography(320MSCTA)in detecting intracranialmicroaneurysms(3 mm)． Methods Westudied59consecutivelyadmittedpatientsthatreceivedsurgeryand／orDSAafterundergoing 320MSCTAwithin72hoursofonset．WithDSA andsurgicalfindingsasstandardofreference，thesensitivity of320 MSCTA in detecting mieroaneurysmswas investigated，aswellasthe accuracy in determining microaneurysms．Results A totalof47aneurysmsweredetected．Thesensitivitiesformicroaneurysmsand largeraneurysms(t3mm)were86．7％ and93．8％ respectively，withoutsignificantdifferencebetweenthem (P0．05)．Inaddition，320MSCTA couldmeasurenad determinemicroaneurysmsaccurately，the sensitivity，specificity，accuracywere84．6％ ，96．7％ ，93．0％ ，respectively．Conclusion 320 MSCTA has na outstandingdiagnosticperfomr anceonintraeranial