医学美学美容(中旬刊)
醫學美學美容(中旬刊)
의학미학미용(중순간)
MEDICAL AESTHETICS AND COSMETOLOGY
2014年
8期
3-4
,共2页
高蓓%韩伟%穆玉明%刘培琴
高蓓%韓偉%穆玉明%劉培琴
고배%한위%목옥명%류배금
左室舒张功能%颈动脉血流参数%高血压
左室舒張功能%頸動脈血流參數%高血壓
좌실서장공능%경동맥혈류삼수%고혈압
Left ventricular diastolic function%Hemodynamics of carotid artery%Hypertension
目的:探讨不同年龄组高血压患者左室舒张功能变化对颈动脉血流动力学的影响。方法选择高血压患者608例,测量二尖瓣瓣口舒张期血流E峰及A峰,根据E峰及A峰的比值(E/A),按照E/A>1和E/A<1分成两组,两组内按年龄分为青年组、中年组和老年组,使用高频探头测量颈总动脉、颈内动脉及椎动脉的收缩期峰速度(PSV)、舒张末期流速(EDV)、阻力指数(RI)、搏动指数(PI)。结果三组高血压患者组间比较:E/A>1时,颈总动脉血流参数PSV、PI、RI随年龄的增长而降低。E/A<1时,颈总动脉PSV、EDV和椎动脉PSV均随年龄的增长而降低,颈总动脉和颈内动脉的PI、RI随年龄的增长而增高。E/A<1组与E/A>1组相比,老年组内颈总动脉、颈内动脉及椎动脉血流参数EDV下降,PI、RI升高。结论不同年龄的高血压患者,在左室舒张功能正常时仅表现为颈总动脉及椎动脉血流速度的减慢。在左室舒张功能减退时,表现为颈总动脉、颈内动脉和椎动脉的血流速度减慢及阻力的增大。而左室舒张功能正常与否,相较于青年组和中年组,对老年组患者颈动脉血流动力学的影响更加明显。左室舒张功能的损害在老年组加重了血管弹性或者功能的改变。
目的:探討不同年齡組高血壓患者左室舒張功能變化對頸動脈血流動力學的影響。方法選擇高血壓患者608例,測量二尖瓣瓣口舒張期血流E峰及A峰,根據E峰及A峰的比值(E/A),按照E/A>1和E/A<1分成兩組,兩組內按年齡分為青年組、中年組和老年組,使用高頻探頭測量頸總動脈、頸內動脈及椎動脈的收縮期峰速度(PSV)、舒張末期流速(EDV)、阻力指數(RI)、搏動指數(PI)。結果三組高血壓患者組間比較:E/A>1時,頸總動脈血流參數PSV、PI、RI隨年齡的增長而降低。E/A<1時,頸總動脈PSV、EDV和椎動脈PSV均隨年齡的增長而降低,頸總動脈和頸內動脈的PI、RI隨年齡的增長而增高。E/A<1組與E/A>1組相比,老年組內頸總動脈、頸內動脈及椎動脈血流參數EDV下降,PI、RI升高。結論不同年齡的高血壓患者,在左室舒張功能正常時僅錶現為頸總動脈及椎動脈血流速度的減慢。在左室舒張功能減退時,錶現為頸總動脈、頸內動脈和椎動脈的血流速度減慢及阻力的增大。而左室舒張功能正常與否,相較于青年組和中年組,對老年組患者頸動脈血流動力學的影響更加明顯。左室舒張功能的損害在老年組加重瞭血管彈性或者功能的改變。
목적:탐토불동년령조고혈압환자좌실서장공능변화대경동맥혈류동역학적영향。방법선택고혈압환자608례,측량이첨판판구서장기혈류E봉급A봉,근거E봉급A봉적비치(E/A),안조E/A>1화E/A<1분성량조,량조내안년령분위청년조、중년조화노년조,사용고빈탐두측량경총동맥、경내동맥급추동맥적수축기봉속도(PSV)、서장말기류속(EDV)、조력지수(RI)、박동지수(PI)。결과삼조고혈압환자조간비교:E/A>1시,경총동맥혈류삼수PSV、PI、RI수년령적증장이강저。E/A<1시,경총동맥PSV、EDV화추동맥PSV균수년령적증장이강저,경총동맥화경내동맥적PI、RI수년령적증장이증고。E/A<1조여E/A>1조상비,노년조내경총동맥、경내동맥급추동맥혈류삼수EDV하강,PI、RI승고。결론불동년령적고혈압환자,재좌실서장공능정상시부표현위경총동맥급추동맥혈류속도적감만。재좌실서장공능감퇴시,표현위경총동맥、경내동맥화추동맥적혈류속도감만급조력적증대。이좌실서장공능정상여부,상교우청년조화중년조,대노년조환자경동맥혈류동역학적영향경가명현。좌실서장공능적손해재노년조가중료혈관탄성혹자공능적개변。
Objective To investigate the faction of left ventricular diastolic function to the hemodynamics of carotid artery in Patients with hypertension of dif erent age groups.Methods 608 cases of essential hypertension divided into three groups by age:Young-aged,middle-aged and elderly group.Measure the E、A of the diastolic mitral flow and the hemodynamics of carotid artery with Doppler echocardiography.Result Compared with the three age group of the essential hypertension:when E/A>1 ,some of the parameter of hemodynamics such as PSV、PI、RI were depressed along with the age growth in both CCA and VA;when E/A<1 ,with the age growth,PSV were depressed in both CCA and VA,and ESV also does in CCA.PI and RI were rised in both CCA and VA.Compared with the groups between E/A>1 and E/A<1,EDV were depressed and the PI、RI were rised in the elder-aged group of the three groups of the carotid artery. Conclusion When the left ventricular diastolic function were decreased ,Vascular compliance were decrease and the resistance of blood flow rised along with the age growth.