中华医学超声杂志(电子版)
中華醫學超聲雜誌(電子版)
중화의학초성잡지(전자판)
CHINESE JOURNAL OF MEDICAL ULTRASOUND(ELECTRONICAL VISION)
2014年
3期
24-28
,共5页
张燕霞%康春松%李朝军%陈晓燕%宋倩%赵哲黠
張燕霞%康春鬆%李朝軍%陳曉燕%宋倩%趙哲黠
장연하%강춘송%리조군%진효연%송천%조철힐
颈动脉%超声检查%应变
頸動脈%超聲檢查%應變
경동맥%초성검사%응변
Carotid arteries%Ultrasonography%Strain
目的:评价高频超声观察运动对健康成年人血管功能的影响。方法选取49例健康志愿者,分别于运动基础、运动峰值及恢复期,应用超声射频信号血管僵硬度(QAS)技术获取右侧颈动脉顺应性(CC)、扩张性(DC)、硬度参数(α、β)及脉搏波传播速度(PWV),应用二维斑点追踪(X-strain)技术获取右侧颈动脉内膜环向应变(EN-CS)、外膜环向应变(EP-CS)、内膜环向应变率(EN-CSR)、外膜环向应变率(EP-CSR),分析EN-CS、EP-CS、EN-CSR、EP-CSR与CC、DC、α、β、PWV的相关性。结果在运动基础、运动峰值及恢复期,CC分别为(1.436±0.448)mm2/kPa、(1.041±0.432)mm2/kPa、(1.191±0.467)mm2/kPa,DC分别为(0.040±0.016)1/kPa、(0.031±0.013)1/kPa、(0.034±0.013)1/kPa,CC、DC随时间改变呈先降低后增高的趋势(F=12.99、7.65,P均<0.01);PWV分别为(5.037±0.798)m/s、(5.845±1.165)m/s、(5.683±1.367)m/s,α分别为2.298±0.633、3.303±1.697、3.092±1.533,β分别为4.762±1.284、6.794±2.515、6.158±3.089,PWV、α、β随时间改变呈先增高后降低的趋势(F=9.21、13.24、12.33,P均<0.01)。在运动基础、运动峰值及恢复期,EN-CS分别为(7.825±2.445)%、(9.105±4.234)%、(6.271±2.527)%,EN-CSR分别为(0.831±0.276)s-1、(1.219±0.556)s-1、(0.765±0.282)s-1,EP-CS分别为(6.894±2.465)%、(7.936±3.628)%、(5.489±2.306)%,EP-CSR分别为(0.714±0.247)s-1、(1.019±0.414)s-1、(0.656±0.237)s-1, EN-CS、EN-CSR、EP-CS、EP-CSR随时间改变呈先增高后降低的趋势(F=25.92、43.76、21.22、47.98,P均<0.01)。相关性分析表明:EN-CS、EN-CSR、EP-CS、EP-CSR与PWV、α、β呈正相关(r=0.253~0.494,P均<0.05),与CC、DC呈负相关(r=-0.234~-0.562,P均<0.05)。结论血管功能参数CC、DC、α、β、PWV、EN-CS、EN-CSR、EP-CS、EP-CSR均可从不同角度反映血管功能的变化,适当的运动能够改善血管弹性。
目的:評價高頻超聲觀察運動對健康成年人血管功能的影響。方法選取49例健康誌願者,分彆于運動基礎、運動峰值及恢複期,應用超聲射頻信號血管僵硬度(QAS)技術穫取右側頸動脈順應性(CC)、擴張性(DC)、硬度參數(α、β)及脈搏波傳播速度(PWV),應用二維斑點追蹤(X-strain)技術穫取右側頸動脈內膜環嚮應變(EN-CS)、外膜環嚮應變(EP-CS)、內膜環嚮應變率(EN-CSR)、外膜環嚮應變率(EP-CSR),分析EN-CS、EP-CS、EN-CSR、EP-CSR與CC、DC、α、β、PWV的相關性。結果在運動基礎、運動峰值及恢複期,CC分彆為(1.436±0.448)mm2/kPa、(1.041±0.432)mm2/kPa、(1.191±0.467)mm2/kPa,DC分彆為(0.040±0.016)1/kPa、(0.031±0.013)1/kPa、(0.034±0.013)1/kPa,CC、DC隨時間改變呈先降低後增高的趨勢(F=12.99、7.65,P均<0.01);PWV分彆為(5.037±0.798)m/s、(5.845±1.165)m/s、(5.683±1.367)m/s,α分彆為2.298±0.633、3.303±1.697、3.092±1.533,β分彆為4.762±1.284、6.794±2.515、6.158±3.089,PWV、α、β隨時間改變呈先增高後降低的趨勢(F=9.21、13.24、12.33,P均<0.01)。在運動基礎、運動峰值及恢複期,EN-CS分彆為(7.825±2.445)%、(9.105±4.234)%、(6.271±2.527)%,EN-CSR分彆為(0.831±0.276)s-1、(1.219±0.556)s-1、(0.765±0.282)s-1,EP-CS分彆為(6.894±2.465)%、(7.936±3.628)%、(5.489±2.306)%,EP-CSR分彆為(0.714±0.247)s-1、(1.019±0.414)s-1、(0.656±0.237)s-1, EN-CS、EN-CSR、EP-CS、EP-CSR隨時間改變呈先增高後降低的趨勢(F=25.92、43.76、21.22、47.98,P均<0.01)。相關性分析錶明:EN-CS、EN-CSR、EP-CS、EP-CSR與PWV、α、β呈正相關(r=0.253~0.494,P均<0.05),與CC、DC呈負相關(r=-0.234~-0.562,P均<0.05)。結論血管功能參數CC、DC、α、β、PWV、EN-CS、EN-CSR、EP-CS、EP-CSR均可從不同角度反映血管功能的變化,適噹的運動能夠改善血管彈性。
목적:평개고빈초성관찰운동대건강성년인혈관공능적영향。방법선취49례건강지원자,분별우운동기출、운동봉치급회복기,응용초성사빈신호혈관강경도(QAS)기술획취우측경동맥순응성(CC)、확장성(DC)、경도삼수(α、β)급맥박파전파속도(PWV),응용이유반점추종(X-strain)기술획취우측경동맥내막배향응변(EN-CS)、외막배향응변(EP-CS)、내막배향응변솔(EN-CSR)、외막배향응변솔(EP-CSR),분석EN-CS、EP-CS、EN-CSR、EP-CSR여CC、DC、α、β、PWV적상관성。결과재운동기출、운동봉치급회복기,CC분별위(1.436±0.448)mm2/kPa、(1.041±0.432)mm2/kPa、(1.191±0.467)mm2/kPa,DC분별위(0.040±0.016)1/kPa、(0.031±0.013)1/kPa、(0.034±0.013)1/kPa,CC、DC수시간개변정선강저후증고적추세(F=12.99、7.65,P균<0.01);PWV분별위(5.037±0.798)m/s、(5.845±1.165)m/s、(5.683±1.367)m/s,α분별위2.298±0.633、3.303±1.697、3.092±1.533,β분별위4.762±1.284、6.794±2.515、6.158±3.089,PWV、α、β수시간개변정선증고후강저적추세(F=9.21、13.24、12.33,P균<0.01)。재운동기출、운동봉치급회복기,EN-CS분별위(7.825±2.445)%、(9.105±4.234)%、(6.271±2.527)%,EN-CSR분별위(0.831±0.276)s-1、(1.219±0.556)s-1、(0.765±0.282)s-1,EP-CS분별위(6.894±2.465)%、(7.936±3.628)%、(5.489±2.306)%,EP-CSR분별위(0.714±0.247)s-1、(1.019±0.414)s-1、(0.656±0.237)s-1, EN-CS、EN-CSR、EP-CS、EP-CSR수시간개변정선증고후강저적추세(F=25.92、43.76、21.22、47.98,P균<0.01)。상관성분석표명:EN-CS、EN-CSR、EP-CS、EP-CSR여PWV、α、β정정상관(r=0.253~0.494,P균<0.05),여CC、DC정부상관(r=-0.234~-0.562,P균<0.05)。결론혈관공능삼수CC、DC、α、β、PWV、EN-CS、EN-CSR、EP-CS、EP-CSR균가종불동각도반영혈관공능적변화,괄당적운동능구개선혈관탄성。
Objective To evaluate the effects of high frequency ultrasound in the assessment of vascular function during exercise in healthy subjects. Methods Forty-nine healthy subjects were enrolled in this study. The parameters of vascular function were measured at different stages (rest, exercise peak and recovery). Compliance coefficient (CC), distensibility coefficient (DC), stiffness indexα, stiffness indexβand pulse wave velocity (PWV) were measured by RF-Data technique of ultrasound vascular measurement (quantitative arterial stiffness, QAS). Endocardium-circumferential strain (EN-CS), epicardium-circumferential strain (EP-CS), endocardium-circumferential strain rate (EN-CSR) and epicardium-circumferential strain rate (EP-CSR) were collected by two-dimensional speckle tracking imaging (X-strain). The correlation between EN-CS, EN-CSR, EP-CS, EP-CSR and CC, DC, stiffness indexα, stiffness indexβand PWV were analyzed. Results At different stages (rest, exercise peak and recovery), CC were (1.436±0.448), (1.041±0.432) and (1.191±0.467) mm2/kPa DC were (0.040±0.016), (0.031±0.013) and (0.034±0.013) 1/kPa. CC and DC signiifcantly decreased at exercise peak (F=12.99 and 7.65, both P<0.01). At different stages (rest, exercise peak and recovery), PWV were (5.037±0.798), (5.845±1.165) and (5.683±1.367) m/s, stiffness indexαwere 2.298±0.633, 3.303±1.697 and 3.092±1.533, stiffness index β were 4.762±1.284, 6.794±2.515 and 6.158±3.089. PWV, stiffness index α and stiffness index β significantly increased at exercise peak (F=9.21, 13.24 and 12.33, all P<0.01). At different stages (rest, exercise peak and recovery), EN-CS were (7.825±2.445)%, (9.105±4.234)%and (6.271±2.527)%, EN-CSR were (0.831±0.276), (1.219±0.556) and (0.765±0.282) s-1, EP-CS were (6.894±2.465)%, (7.936±3.628)%and (5.489±2.306)%, EP-CSR were (0.714±0.247), (1.019±0.414) and (0.656±0.237) s-1. EN-CS, EN-CSR, EP-CS and EP-CSR signiifcantly increased at exercise peak (F=25.92, 43.76, 21.22 and 47.98, all P<0.01). EN-CS, EN-CSR, EP-CS and EP-CSR were positively correlated with PWV, stiffness indexαand stiffness indexβ(r:from 0.253 to 0.494, all P<0.05), negatively correlated with CC and DC (r:from-0.234 to-0.562, all P<0.05). Conclusions CC, DC, stiffness indexα, stiffness indexβ, PWV, EN-CS, EN-CSR, EP-CS and EP-CSR all can relfect the changes of vascular function during exercise. Properly exercise has positively direct effect on vascular elasticity.