目的探讨二维灰阶超声联合超声造影对美国放射学会(American College of Radiology,ACR)甲状腺影像与报告系统(Thyroid Imaging Reporting and Data System,TI-RADS) 3-5类结节良恶性的鉴别诊断价值。方法回顾分析2014年4月至2016年12...目的探讨二维灰阶超声联合超声造影对美国放射学会(American College of Radiology,ACR)甲状腺影像与报告系统(Thyroid Imaging Reporting and Data System,TI-RADS) 3-5类结节良恶性的鉴别诊断价值。方法回顾分析2014年4月至2016年12月行甲状腺超声造影检查的患者208例(216个结节),对其进行ACR TI-RADS分类及超声造影增强模式评估,通过对既往文献关于甲状腺良恶性病灶超声造影模式的分析及本课题组的前期研究,构建甲状腺良恶性病灶二维灰阶超声联合超声造影预测模型。以细针穿刺活检或手术病理结果作为金标准,评价二维灰阶超声联合超声造影预测模型鉴别诊断甲状腺良恶性病灶的敏感性、特异性、准确性。结果与病理结果比较,二维灰阶超声联合超声造影评估甲状腺结节的阳性预测值为90.8%,阴性预测值为93.3%,准确性为91.2%,敏感性为98.8%,特异性为62.2%。结论二维灰阶超声联合超声造影对鉴别诊断甲状腺TI-RADS 3-5类结节良恶性有一定的临床价值。展开更多
This study aimed to explore epidemiological information on central line-associated bloodstream infection(CLABSI).A retrospective observational study was performed in an ICU at Qilu Hospital of Shandong University in C...This study aimed to explore epidemiological information on central line-associated bloodstream infection(CLABSI).A retrospective observational study was performed in an ICU at Qilu Hospital of Shandong University in China from January 2015 to December 2020.Patients with at least one central venous catheters(CVCs)were enrolled,and recorded relative information relevant to the CVC use.The prevalence was calculated,and related factors were analyzed.A total of 507 catheters were eligible for analysis.For the years 2016~2020,the incidence rates of CLABSI were as follows,1.91,3.18,1.69,2.97 and 1.27 per 1000 catheter days,respectively.Regarding the pathogen,yeast infections with Candida albicaans were the most prevalent[16(3.2%)],followed by gram-positive methicillin-resistant Staphylococcus aureus[11(2.2%)],and the gram-negative multidrug-resistant pathogens Acinetobacter baumanii.Risk factors associated with the development of CLABSI were age,(P=0.05),Charlson comorbidity index>5(P=0.00),and duration of the central venous CVC placement(P=0.01).Our study showed that there has been a slight decrease of CLABSI rates over the period of five years.This study identifies some risk factors in our ICU that may be important in the prevention of CLABSI in ICU populations.展开更多
文摘目的探讨二维灰阶超声联合超声造影对美国放射学会(American College of Radiology,ACR)甲状腺影像与报告系统(Thyroid Imaging Reporting and Data System,TI-RADS) 3-5类结节良恶性的鉴别诊断价值。方法回顾分析2014年4月至2016年12月行甲状腺超声造影检查的患者208例(216个结节),对其进行ACR TI-RADS分类及超声造影增强模式评估,通过对既往文献关于甲状腺良恶性病灶超声造影模式的分析及本课题组的前期研究,构建甲状腺良恶性病灶二维灰阶超声联合超声造影预测模型。以细针穿刺活检或手术病理结果作为金标准,评价二维灰阶超声联合超声造影预测模型鉴别诊断甲状腺良恶性病灶的敏感性、特异性、准确性。结果与病理结果比较,二维灰阶超声联合超声造影评估甲状腺结节的阳性预测值为90.8%,阴性预测值为93.3%,准确性为91.2%,敏感性为98.8%,特异性为62.2%。结论二维灰阶超声联合超声造影对鉴别诊断甲状腺TI-RADS 3-5类结节良恶性有一定的临床价值。
基金Shandong Province Medical Science and Technology Fund (2017WS304)
文摘This study aimed to explore epidemiological information on central line-associated bloodstream infection(CLABSI).A retrospective observational study was performed in an ICU at Qilu Hospital of Shandong University in China from January 2015 to December 2020.Patients with at least one central venous catheters(CVCs)were enrolled,and recorded relative information relevant to the CVC use.The prevalence was calculated,and related factors were analyzed.A total of 507 catheters were eligible for analysis.For the years 2016~2020,the incidence rates of CLABSI were as follows,1.91,3.18,1.69,2.97 and 1.27 per 1000 catheter days,respectively.Regarding the pathogen,yeast infections with Candida albicaans were the most prevalent[16(3.2%)],followed by gram-positive methicillin-resistant Staphylococcus aureus[11(2.2%)],and the gram-negative multidrug-resistant pathogens Acinetobacter baumanii.Risk factors associated with the development of CLABSI were age,(P=0.05),Charlson comorbidity index>5(P=0.00),and duration of the central venous CVC placement(P=0.01).Our study showed that there has been a slight decrease of CLABSI rates over the period of five years.This study identifies some risk factors in our ICU that may be important in the prevention of CLABSI in ICU populations.
