期刊文献+
共找到2篇文章
< 1 >
每页显示 20 50 100
双源CT前瞻性心电门控大螺距Flash扫描模式在支气管动脉CTA成像中的应用 被引量:1
1
作者 程淑芳 林桂涵 +6 位作者 惠俊国 胡祥华 卢陈英 王海林 翁巧优 纪建松 陈春妙 《浙江实用医学》 2021年第1期21-24,40,共5页
目的探讨双源CT前瞻性心电门控大螺距扫描模式在支气管动脉CTA成像中的应用价值。方法选择2017年7月-2020年1月在浙江省丽水市中心医院用西门子第三代双源Force CT行支气管动脉CTA检查的患者90例,随机分为三组,每组30例,分别采用非心电... 目的探讨双源CT前瞻性心电门控大螺距扫描模式在支气管动脉CTA成像中的应用价值。方法选择2017年7月-2020年1月在浙江省丽水市中心医院用西门子第三代双源Force CT行支气管动脉CTA检查的患者90例,随机分为三组,每组30例,分别采用非心电门控螺旋扫描模式、非心电门控大螺距扫描模式及前瞻性心电门控大螺距扫描模式扫描,比较三组辐射剂量、主观及客观图像成像质量,客观评价图像质量包括胸主动脉CT值、噪声(SD)、信噪比(SNR)、对比噪声比(CNR)。结果辐射剂量方面,心电大螺距组DLP、CTDI_(vol)、ED低于非心电螺旋组及非心电大螺距组,差异均有统计学意义(P<0.05);非心电大螺距组DLP、CTDI_(vol)、ED低于非心电螺旋组,差异均有统计学意义(P<0.05)。心电大螺距组图像质量主观优良率高于非心电螺旋组及非心电大螺距组,差异均有统计学意义(P<0.05);非心电大螺距组图像质量主观优良率高于非心电螺旋组,差异有统计学意义(P<0.05)。三组图像主动脉CT值均能满足临床诊断要求,且三组主动脉图像CT值、SD值、SNR、CNR比较差异均无统计学意义(P>0.05)。结论在心率<90次/min的患者中,应用双源CT前瞻性心电门控大螺距Flash扫描模式进行支气管动脉CTA成像,图像质量与非心电门控下螺旋扫描和大螺距Flash扫描相比明显提高,且辐射剂量大幅度减少,仅为(0.66±0.07)mSv,具有较大的应用和推广价值。 展开更多
关键词 支气管动脉疾病 双源Force CT Flash扫描模式 心电门控 辐射剂量
下载PDF
Clinical analysis of 35 cases of peripheral arterial disease
2
作者 钱振宇 左克强 汤敬东 《China Medical Abstracts》 2008年第2期163-165,共3页
Objective To analyse the current condition in diagnosis and treatment of peripheral arterial disease (PAD). Methods:35 cases of PAD hospitalized between July 2007 and May 2008 were collected and studied.Results:14 of ... Objective To analyse the current condition in diagnosis and treatment of peripheral arterial disease (PAD). Methods:35 cases of PAD hospitalized between July 2007 and May 2008 were collected and studied.Results:14 of them had the concomitant type 2,diabetes mellitus (shortly as DM) and 18 cases with ulcers or gangrene in the lower limb,up to 14 were found with DM.5 died of pulmonary infection and 1 died of multiple system organ failure (MSOF).Conclu- sion:DM was an important risk factor of PAD.PAD tended to start in younger age in those with DM and its local lesion was frequently more severe and often less effective in revasculation treatment.Death during hospitalization was mainly due to related complications from cerebral vascular problems but not DM. 展开更多
关键词 peripheral arterial disease diabetes mellitus ankle-bronchial index
下载PDF
上一页 1 下一页 到第
使用帮助 返回顶部