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)
2013年
3期
194-199
,共6页
超声心动描记术%心室功能,左%血流动力学
超聲心動描記術%心室功能,左%血流動力學
초성심동묘기술%심실공능,좌%혈류동역학
Echocardiography%Ventricular function,left%Hemodynamics
目的分析漩涡参数涡量(Q)与漩涡圈数(N)、涡强(Q/S)与漩涡最大向量速度(Vmax )之间的相关性,探讨可以反映左心室舒张功能的漩涡参数.方法选取健康对照者(健康对照组)40名和舒张功能早期减低患者(病例组)40例,应用血流速度向量和流线(VFM)技术观察2组受检者心动周期各时相左心室漩涡形成规律,比较漩涡参数:Q、面积(S)、Q/S、Vmax、N、涡量比(RQ )、涡强比(RQ/S ).结果病例组与健康对照组受检者左心室漩涡衍变规律相似,均表现为二尖瓣下小对涡和左心室内大涡交替出现.健康对照组:舒张早期Q大于舒张晚期Q[(33.62±24.38)cm 2/s vs (14.65±10.71)cm 2/s],差异有统计学意义(t=2.849,P<0.05),舒张早期Q/S大于舒张晚期Q/S [(26.00±8.80)s-1 vs (15.13±7.03)s-1],差异有统计学意义(t=3.859,P<0.05),舒张早期Vmax大于舒张晚期Vmax [(79.32±32.65) cm/s vs (33.99±9.22) cm/s],差异有统计学意义(t=2.049, P<0.05);舒张早期N大于舒张晚期N[(6.67±3.16)n vs (4.08±2.51)n],差异有统计学意义(t=1.949, P<0.05).病例组:舒张早期Q小于舒张晚期Q[(16.57±12.12)cm 2/s vs (35.16±13.04)cm 2/s],差异有统计学意义(t=2.764,P<0.05);舒张早期Q/S小于舒张晚期Q/S[(16.11±6.19)s-1 vs (27.58±7.66)s-1],差异有统计学意义(t=3.112,P<0.05);舒张早期Vmax小于舒张晚期Vmax [(39.89±9.01)cm/s vs (59.12±16.9) cm/s],差异有统计学意义( t =3.214,P <0.05);舒张早期 N 小于舒张晚期N[(2.81±1.21)n vs (7.07±3.16)n],差异有统计学意义(t=1.842,P<0.05).病例组和对照组Q与N显著相关(r=0.881和0.821,P=0.000和0.001),Q/S与Vmax显著相关(r=0.901和0.871, P均=0.000),RQ/S与E/A比值显著相关(r=0.964和0.851,P均=0.000).结论 VFM技术可以反映舒张功能早期减低患者左心室内涡流的特点,新的漩涡参数Q、Q/s可以代替原参数Vmax、N,RQ/s在一定程度上可以反映左心室舒张功能.
目的分析漩渦參數渦量(Q)與漩渦圈數(N)、渦彊(Q/S)與漩渦最大嚮量速度(Vmax )之間的相關性,探討可以反映左心室舒張功能的漩渦參數.方法選取健康對照者(健康對照組)40名和舒張功能早期減低患者(病例組)40例,應用血流速度嚮量和流線(VFM)技術觀察2組受檢者心動週期各時相左心室漩渦形成規律,比較漩渦參數:Q、麵積(S)、Q/S、Vmax、N、渦量比(RQ )、渦彊比(RQ/S ).結果病例組與健康對照組受檢者左心室漩渦衍變規律相似,均錶現為二尖瓣下小對渦和左心室內大渦交替齣現.健康對照組:舒張早期Q大于舒張晚期Q[(33.62±24.38)cm 2/s vs (14.65±10.71)cm 2/s],差異有統計學意義(t=2.849,P<0.05),舒張早期Q/S大于舒張晚期Q/S [(26.00±8.80)s-1 vs (15.13±7.03)s-1],差異有統計學意義(t=3.859,P<0.05),舒張早期Vmax大于舒張晚期Vmax [(79.32±32.65) cm/s vs (33.99±9.22) cm/s],差異有統計學意義(t=2.049, P<0.05);舒張早期N大于舒張晚期N[(6.67±3.16)n vs (4.08±2.51)n],差異有統計學意義(t=1.949, P<0.05).病例組:舒張早期Q小于舒張晚期Q[(16.57±12.12)cm 2/s vs (35.16±13.04)cm 2/s],差異有統計學意義(t=2.764,P<0.05);舒張早期Q/S小于舒張晚期Q/S[(16.11±6.19)s-1 vs (27.58±7.66)s-1],差異有統計學意義(t=3.112,P<0.05);舒張早期Vmax小于舒張晚期Vmax [(39.89±9.01)cm/s vs (59.12±16.9) cm/s],差異有統計學意義( t =3.214,P <0.05);舒張早期 N 小于舒張晚期N[(2.81±1.21)n vs (7.07±3.16)n],差異有統計學意義(t=1.842,P<0.05).病例組和對照組Q與N顯著相關(r=0.881和0.821,P=0.000和0.001),Q/S與Vmax顯著相關(r=0.901和0.871, P均=0.000),RQ/S與E/A比值顯著相關(r=0.964和0.851,P均=0.000).結論 VFM技術可以反映舒張功能早期減低患者左心室內渦流的特點,新的漩渦參數Q、Q/s可以代替原參數Vmax、N,RQ/s在一定程度上可以反映左心室舒張功能.
목적분석선와삼수와량(Q)여선와권수(N)、와강(Q/S)여선와최대향량속도(Vmax )지간적상관성,탐토가이반영좌심실서장공능적선와삼수.방법선취건강대조자(건강대조조)40명화서장공능조기감저환자(병례조)40례,응용혈류속도향량화류선(VFM)기술관찰2조수검자심동주기각시상좌심실선와형성규률,비교선와삼수:Q、면적(S)、Q/S、Vmax、N、와량비(RQ )、와강비(RQ/S ).결과병례조여건강대조조수검자좌심실선와연변규률상사,균표현위이첨판하소대와화좌심실내대와교체출현.건강대조조:서장조기Q대우서장만기Q[(33.62±24.38)cm 2/s vs (14.65±10.71)cm 2/s],차이유통계학의의(t=2.849,P<0.05),서장조기Q/S대우서장만기Q/S [(26.00±8.80)s-1 vs (15.13±7.03)s-1],차이유통계학의의(t=3.859,P<0.05),서장조기Vmax대우서장만기Vmax [(79.32±32.65) cm/s vs (33.99±9.22) cm/s],차이유통계학의의(t=2.049, P<0.05);서장조기N대우서장만기N[(6.67±3.16)n vs (4.08±2.51)n],차이유통계학의의(t=1.949, P<0.05).병례조:서장조기Q소우서장만기Q[(16.57±12.12)cm 2/s vs (35.16±13.04)cm 2/s],차이유통계학의의(t=2.764,P<0.05);서장조기Q/S소우서장만기Q/S[(16.11±6.19)s-1 vs (27.58±7.66)s-1],차이유통계학의의(t=3.112,P<0.05);서장조기Vmax소우서장만기Vmax [(39.89±9.01)cm/s vs (59.12±16.9) cm/s],차이유통계학의의( t =3.214,P <0.05);서장조기 N 소우서장만기N[(2.81±1.21)n vs (7.07±3.16)n],차이유통계학의의(t=1.842,P<0.05).병례조화대조조Q여N현저상관(r=0.881화0.821,P=0.000화0.001),Q/S여Vmax현저상관(r=0.901화0.871, P균=0.000),RQ/S여E/A비치현저상관(r=0.964화0.851,P균=0.000).결론 VFM기술가이반영서장공능조기감저환자좌심실내와류적특점,신적선와삼수Q、Q/s가이대체원삼수Vmax、N,RQ/s재일정정도상가이반영좌심실서장공능.
Objective To discuss the correlation of vortex parameters Q (maximum flow volume of vortex,Q) and N(number of vortex,N),Q/S(vortex intensity,Q/S)and Vmax(maximum vector velocity, Vmax ) ,and discuss their value in evaluating the left ventricular diastolic function .Methods Forty normal adults and forty patients with early reduction of diastolic function were recruited in control and study group , VFM(vortex flow mapping)technique was applied to observe the vortex formation laws of two groups ,vortex parameters:Q,area(S),Q/S,Vmax ,N,and the ratio parameters of maximum flow volume of vortex (RQ ),and the ratio parameters vortex intensity(RQ/S )were compared.Results Vortex formation laws in the case group were similar to the control group,the twins eddys under the mitral valve and big eddy showed alternatively in the left chamber.In the control group,Q in early diastolic was greater than that in late diastolic[(33.62 ±24.38)cm 2/s vs (14.65 ±10.71)cm 2/s](t=2.849,P<0.05),as well as Q/S[(26.00 ±8.80)s-1 vs (15.13 ±7.03)s-1 ] (t=3.859,P<0.05),Vmax [(79.32 ±32.65)cm/s vs (33.99 ±9.22)cm/s](t=2.049,P<0.05),and in N[(6.67 ±3.16) n vs (4.08 ±2.51) n] (t=1.949,P <0.05),the difference were all statistically significant,while in the study group,the result was opposite,Q in early diastolic was less than that in late diastolic[(16.57 ±12.12) cm2/s vs (35.16 ±13.04) cm2/s],the difference was statistically significant (t=2.764,P<0.05),Q/S[(16.11 ±6.19) s-1 vs (27.58 ±7.66) s-1 ] (t=3.112,P<0.05),Vmax [(39.89 ±9.01)cm/s vs (59.12 ±16.9) cm/s] ( t =3.214,P <0.05) and N [(2.81 ±1.21) n vs (7.07 ±3.16)n](t=1.842,P<0.05),the difference were all statistically significant.Significantly correlation between the Q and N(r=0.881 and 0.821,P=0.000 and 0.001);Q/S and Vmax (r=0.901 and 0.871,all P=0.000);the ratio of RQ/S and E/A(r=0.964 and 0.851,all P=0.000)was found in both the control and study groups respectively.Conclusions VFM can reflect vortex characteristics in the left ventricular for patients with reduced early diastolic function .New vortex parameter Q,Q/S could potentially replace the original parametersV max ,N.RQ/S is much more valuable and can reflect left ventricular diastolic function .
