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目的评价哌拉西林/他唑巴坦治疗肺炎的疗效。方法316例肺炎患者随机分为哌拉西林/他唑巴坦治疗组和头孢哌酮对照组,治疗前后行痰培养。结果治疗组与对照组总有效率、细菌清除率分别为91.25%和61.54%、86.84%和58.67%,差异均具有统计学意义。结论哌拉西林/他唑巴坦是治疗肺炎更有效、安全的首选药物。 相似文献
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奥美拉唑治疗Barrett食管13例 总被引:1,自引:0,他引:1
舒政 《临床和实验医学杂志》2006,5(7):915-915
Barrett食管(BE)是指食道下段的正常鳞状上皮被覆柱状上皮取代的一种病理状态。此病较为少见,但与食管腺癌的发生有密切关系。我院自1991年3月至2005年11月胃镜检查确诊BE13例,现将有关治疗情况报告如下。1材料和方法1.1诊断器械PTS2930电子胃镜系统。1.2诊断标准内镜诊断采用M 相似文献
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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,P0.05),而在延迟扫描时,具有高度的一致性(Kappa值0.889,P0.05)。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。 相似文献
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原发性冠状动脉解剖异常较为少见,但有部分冠状动脉解剖异常所导致的后果较为严重,比如猝死、晕厥、其他先天性心脏病、心绞痛综合征等.由于无创检查手段的广泛应用,特别是多层螺旋CT的成功应用,冠状动脉异常的报道日益增多.本文就近年来关于冠状动脉数日及起源异常报道作简介,以便临床更加深入地认识本病及在临床工作中调整治疗方案. 相似文献
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目的 探讨下肢动脉闭塞性疾病采用64层CT血管成像时,在腘动脉行小剂量对比剂试验的意义.方法 连续选取28例临床怀疑下肢动脉闭塞性疾病患者,应用64层CT在两侧腘动脉(膝关节层面)各设置一ROI进行小剂量对比剂试验,明确显示峰值及达峰时间者认为曲线获取成功.分析两侧腘动脉峰值、达峰时间、左右两侧的差异,及其对下肢动脉CTA的影响,并采用Pearson相关法分析达峰时间与峰值的相关性.根据达峰时间采用快速模式启动扫描,并将图像质量分为优、良、差3个级别按节段进行评价,计算优和良的动脉节段数占总节段数的百分比即优良率.结果 28例患者中获取腘动脉小剂量对比剂曲线的成功率为96%(54/56).26例获得双侧小剂量对比剂曲线的患者中,腘动脉峰值及达峰时间差异较大,分别为60~178(135±28)HU,21~46(31±6)s.左右腘动脉峰值及达峰时间差异亦较大,19例左右峰值不一致,差值10~80 HU,平均(32±18)HU;21例左右达峰时间不一致,差值1~12 s,平均(5±3)s.达峰时间与峰值呈负相关(r= -0.526,P<0.01).下肢CTA 616个动脉节段中,成像质量优598个,良12个,优良率为99%(610/616).结论 下肢动脉闭塞性疾病采用64层CT血管成像时,应用腘动脉小剂量对比剂试验可以准确把握扫描时机,从而获得良好的血管成像质量.Abstract: Objective To investigate the clinical value of the test injection at popliteal arteries on 64-slice CTA in lower extremity peripheral arterial occlusive disease (PAOD). Methods Twenty-eight patients with PAOD referred for 64-slice CTA were enrolled consecutively in the study. Test injection was performed at bilateral popliteal arteries (the level of knee joints) and the clinic value of the peak value and the time to peak was analyzed. The relationship between the time to peak and the peak value was evaluated with Pearson test. The time to peak was used for programming of the CT angiographic acquisitions with fast scanning mode. The quality of visualization of each arterial segment was determined independently by two radiologists. Results Fifty-four (96%, 54/56) time-attenuation curves were obtained in 28 patients. The wide interindividual variation in the peak value and the time to peak was observed in 52 curves of 26 patients with range of 60-178 HU,21-46 s and an average of (135±28) HU,(31±6) s, respectively. The difference in the peak value and the time to peak between bilateral popliteal arteries was also observed with range of 10-80 HU and an average of (32±18) HU in 19 patients,with range of 1-12 s and an average of (5±3) s in 21 patients. There was negative relationship between the peak value and the time to peak (r=-0.526, P<0.01). The CTA images were of good (598 segments) or medium quality (12 segments) in 99% segments (610/616). Conclusions The test injection at popliteal arteries was useful for 64-slice CTA in the patients with PAOD, as it could accurately specify the delay time of CT angiographic acquisitions. 相似文献
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病例资料 患者,女,31 岁,左腰腹部酸痛4 d,外院 B超发现盆腔左侧附件区实性肿块 8.0 cm×4.5 cm,边界清晰,形态不规则,内部回声欠均匀,为求进一步诊治收治入院. 相似文献
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