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目的:研究肱动脉血压与主动脉根部血压的相关性及其影响因素。方法:入选临床需要行冠状动脉(冠脉)造影的患者208例,在动脉穿刺成功后冠脉造影前同步测量主动脉根部血压和肱动脉血压各3次,取平均值,造影结果由2位以上专家判断,并测量身高、体重、臂围、腰围、臀围,计算体质指数(BMI)、腰围/臀围(WHR)、腰围/身高(WHtR)、平均血压(MBP)、主动脉根部收缩压(SBP)与肱动脉SBP的差值(S-S)、主动脉根部舒张压(DBP)与肱动脉DBP的差值(D-D)。结果:肱动脉血压与主动脉根部血压明显相关,SBP、MBP、DBP相关系数分别为0.88、0.76、0.58(P<0.01)。以血压正常和冠脉正常者肱动脉血压与主动脉根部血压相关性更高,SBP、MBP、DBP相关系数分别为0.87、0.80、0.64和0.92、0.84、0.68(P<0.01)。血压异常、冠脉狭窄、女性SBP相关性好,而DBP相关性较差,分别为0.52、0.48、0.49(P<0.01)。主动脉根部血压测值总体上高于肱动脉血压测值[S-S:-39～40(6.35±12.50)mmHg;D-D:-47～55(5.63±11.17)mmHg],多元线性回归分析发现:S-S与年龄、性别、臂围、WHR、WHtR、腰围、臀围均无关,D-D与WHR、WHtR、腰围、臀围、年龄相关,回归方程式为:D-D=329.74+76.88WHR+3.62腰围-3.42臀围-0.17年龄-375.82WHtR。结论:①主动脉根部血压与肱动脉血压有明显相关性;②WHR、WHtR、腰围、臀围、年龄影响主动脉根部与肱动脉DBP测值的差值。
Objective: To study the correlation between brachial artery pressure and aortic root pressure and its influencing factors. Methods: A total of 208 patients undergoing coronary angiography were enrolled in this study. Before coronary angiography was performed, the aortic root pressure and brachial artery blood pressure were measured three times before angiography was performed. The results were averaged from 2 The above experts judged and measured height, weight, arm circumference, waist circumference and hip circumference, calculated body mass index (BMI), waist circumference / hip circumference (WHR), waist circumference / height (WHtR), mean blood pressure (MBP) SBP and SBP (SS), difference between aortic DBP and DBP (DD). Results: The brachial artery blood pressure was significantly correlated with the aortic root pressure. The correlation coefficients of SBP, MBP and DBP were 0.88, 0.76 and 0.58 respectively (P <0.01). The correlation between brachial blood pressure and aortic root pressure was normal in patients with normal blood pressure and normal coronary artery. The correlation coefficients of SBP, MBP and DBP were 0.87,0.80,0.64 and 0.92,0.84,0.68 respectively (P <0.01). Abnormal blood pressure, coronary stenosis, female SBP correlation is good, while the DBP correlation is poor, respectively, 0.52,0.48,0.49 (P <0.01). The aortic root blood pressure measurement was generally higher than the brachial artery blood pressure measurement [SS: -39-40 (6.35 ± 12.50) mmHg; DD: -47-55 (5.63 ± 11.17) mmHg]. Multiple linear regression analysis showed that SS There was no relation between age, sex, arm circumference, WHR, WHtR, waist circumference and hip circumference, DD and WHR, WHtR, waist circumference, hip circumference and age. The regression equation was: DD = 329.74 + 76.88WHR + 3.62 Waist circumference -3.42 Hips - 0. 17 Age -375.82WHtR. Conclusions: ① There is a significant correlation between aortic root pressure and brachial artery blood pressure; ②WHR, WHtR, waist circumference, hip circumference and age affect the difference of DBP between aortic root and brachial artery.