目的探讨16排螺旋CT行胸部血管造影检查时图像质量与碘造影剂注射流速的相关性。方法选取自2013年10月—2016年9月在该科行胸部CT检查老年患者90例,随机分为A1、A2、A3 3组,每组30例。3组流速分别为2.0~2.4、2.5~2.8、2.9~3.2 m L/s。...目的探讨16排螺旋CT行胸部血管造影检查时图像质量与碘造影剂注射流速的相关性。方法选取自2013年10月—2016年9月在该科行胸部CT检查老年患者90例,随机分为A1、A2、A3 3组,每组30例。3组流速分别为2.0~2.4、2.5~2.8、2.9~3.2 m L/s。观察分析肺动脉平均强化值,图像质量。结果 3组行CT检查后的效果评价A1,A2,A3组的肺动脉平均强化值分别为(195.9±29.1),(262.20±59.0),(255.9±53.2),3组造影效果主动脉强化值差异有统计学意义(P<0.01),3组不同流速碘造影剂的图像质量差异有统计学意义(P<0.01)。结论老年患者在行胸部CT增强扫描碘造影剂注射流速在2.5~2.8 m L/s时,获得的图像较满意,并能满足临床诊断需要,且能保护患者穿刺血管的安全。展开更多
Objective To determine the effect of needling at Sanyinjiao(SP6)on random blood glucose(RBG)levels and cardiovascular function in patients with type 2 diabetes mellitus(T2DM).Methods In this randomized placebo-control...Objective To determine the effect of needling at Sanyinjiao(SP6)on random blood glucose(RBG)levels and cardiovascular function in patients with type 2 diabetes mellitus(T2DM).Methods In this randomized placebo-controlled study,T2DM patients(aged 35-65 years)were recruited from the Government Yoga and Naturopathy Medical College and Hospital,Chennai,India,between January 5,2022 and March 15,2023.Participants were randomly as-signed to either acupuncture group or sham acupuncture group.The acupuncture group re-ceived bilateral needling at Sanyinjiao(SP6)while sham acupuncture group received needling at a non-acupuncture point[1.5 cun lateral to Sanyinjiao(SP6)]for 30 min.Primary outcome was RBG,and secondary outcomes included systolic blood pressure(SBP),diastolic blood pressure(DBP),pulse rate(PR),pulse pressure(PP),mean arterial pressure(MAP),rate pressure product(RPP),and double product(Do-P).All parameters were assessed imme-diately before and after intervention.Results A total of 100 patients with T2DM were enrolled in the study,and blinded to acupuncture group(n=50)and sham acupuncture group(n=50).Intergroup analysis showed that significant reductions in RBG(P<0.001),SBP(P=0.035),DBP(P=0.008),and MAP(P=0.009)were found in acupuncture group compared with sham acupuncture group.Within-group analysis showed significant reductions in RBG(P<0.001),SBP(P<0.001),DBP(P=0.008),PP(P=0.023),MAP(P<0.001),RPP(P<0.001),and Do-P(P=0.002)in acupunc-ture group,whereas sham acupuncture group showed a significant decrease in PR(P=0.023)only in the post-test assessment compared with pre-test assessment.Conclusion A period of 30 min of needling at the Sanyinjiao(SP6)acupuncture point re-duces RBG and promotes cardiovascular function in patients with T2DM as compared with needling at non-acupuncture points.Sanyinjiao(SP6)acupuncture may offer an immediate,non-pharmacological intervention to strengthen glycemic control management and cardio-vascular health in T2DM patients.展开更多
This paper presents the design of single-pole six-throw （SP6T） RF switch with IBM 0.18 #m SOI CMOS technology, which can be widely used in a wireless communication system with its high performance and low cost. The ...This paper presents the design of single-pole six-throw （SP6T） RF switch with IBM 0.18 #m SOI CMOS technology, which can be widely used in a wireless communication system with its high performance and low cost. The circuit is designed and simulated by using an idea that the total load is divided into six branches and SOI special structures. The insertion loss is less than 0.6 dB, isolation is more than 30 dB, the input power P0.1dB for 0.1 dB compression point is more than 37.5 dBm, IIP3 is more than 70 dBm, the 2nd and the 3rd harmonic compressions are more than 96 dBc, and the control voltage is （＋2.46 V, 0, -2.46 V） in the frequency from 0.1 to 2.7 GHz.展开更多
文摘目的探讨16排螺旋CT行胸部血管造影检查时图像质量与碘造影剂注射流速的相关性。方法选取自2013年10月—2016年9月在该科行胸部CT检查老年患者90例,随机分为A1、A2、A3 3组,每组30例。3组流速分别为2.0~2.4、2.5~2.8、2.9~3.2 m L/s。观察分析肺动脉平均强化值,图像质量。结果 3组行CT检查后的效果评价A1,A2,A3组的肺动脉平均强化值分别为(195.9±29.1),(262.20±59.0),(255.9±53.2),3组造影效果主动脉强化值差异有统计学意义(P<0.01),3组不同流速碘造影剂的图像质量差异有统计学意义(P<0.01)。结论老年患者在行胸部CT增强扫描碘造影剂注射流速在2.5~2.8 m L/s时,获得的图像较满意,并能满足临床诊断需要,且能保护患者穿刺血管的安全。
文摘Objective To determine the effect of needling at Sanyinjiao(SP6)on random blood glucose(RBG)levels and cardiovascular function in patients with type 2 diabetes mellitus(T2DM).Methods In this randomized placebo-controlled study,T2DM patients(aged 35-65 years)were recruited from the Government Yoga and Naturopathy Medical College and Hospital,Chennai,India,between January 5,2022 and March 15,2023.Participants were randomly as-signed to either acupuncture group or sham acupuncture group.The acupuncture group re-ceived bilateral needling at Sanyinjiao(SP6)while sham acupuncture group received needling at a non-acupuncture point[1.5 cun lateral to Sanyinjiao(SP6)]for 30 min.Primary outcome was RBG,and secondary outcomes included systolic blood pressure(SBP),diastolic blood pressure(DBP),pulse rate(PR),pulse pressure(PP),mean arterial pressure(MAP),rate pressure product(RPP),and double product(Do-P).All parameters were assessed imme-diately before and after intervention.Results A total of 100 patients with T2DM were enrolled in the study,and blinded to acupuncture group(n=50)and sham acupuncture group(n=50).Intergroup analysis showed that significant reductions in RBG(P<0.001),SBP(P=0.035),DBP(P=0.008),and MAP(P=0.009)were found in acupuncture group compared with sham acupuncture group.Within-group analysis showed significant reductions in RBG(P<0.001),SBP(P<0.001),DBP(P=0.008),PP(P=0.023),MAP(P<0.001),RPP(P<0.001),and Do-P(P=0.002)in acupunc-ture group,whereas sham acupuncture group showed a significant decrease in PR(P=0.023)only in the post-test assessment compared with pre-test assessment.Conclusion A period of 30 min of needling at the Sanyinjiao(SP6)acupuncture point re-duces RBG and promotes cardiovascular function in patients with T2DM as compared with needling at non-acupuncture points.Sanyinjiao(SP6)acupuncture may offer an immediate,non-pharmacological intervention to strengthen glycemic control management and cardio-vascular health in T2DM patients.
基金Project supported by the Zhejiang Provincial Natural Science Foundation of China(No.LZ16F010001)
文摘This paper presents the design of single-pole six-throw （SP6T） RF switch with IBM 0.18 #m SOI CMOS technology, which can be widely used in a wireless communication system with its high performance and low cost. The circuit is designed and simulated by using an idea that the total load is divided into six branches and SOI special structures. The insertion loss is less than 0.6 dB, isolation is more than 30 dB, the input power P0.1dB for 0.1 dB compression point is more than 37.5 dBm, IIP3 is more than 70 dBm, the 2nd and the 3rd harmonic compressions are more than 96 dBc, and the control voltage is （＋2.46 V, 0, -2.46 V） in the frequency from 0.1 to 2.7 GHz.
