Abstract：
The inter-arm difference (IAD) of systolic blood pressure (SBP) is associated with higher cardiovascular risk. We compared simultaneous and consecutive recordings in measuring IAD of SBP, and evaluated reproducibility between visits. 143 hypertensive patients (63.8±9.5 years, 51.7% women) treated and controlled with stable antihypertensive medication for a period of ≥3 months were included. Blood pressure (BP) in both arms was measured simultaneously and consecutively with an automatic oscillometric device, in two visits. The IAD of the simultaneous SBP was significantly lower compared to the consecutive one, both in the first (3.51±4.1 vs. 4.40±3.7mmHg; P<.01) and in the second visit (3.62±3.5 vs. 5.69±5.1mmHg; P<.001). When the IAD of SBP was categorized as ≥10 or <10mmHg, the reproducibility between visits was insignificant in both simultaneous measurements and consecutive measurements. The frequency of initial dominance was similar between the left and right arm in simultaneous ones (46.2 vs. 43.3%), and greater in the right arm in consecutive ones (55.2 vs. 38.5). The persistence of dominance between both visits was significantly higher when SBP was measured simultaneously (54.4% vs. 45.5%; P<.01). Our study shows that to define the arm with the highest BP, simultaneous measurements are preferable. In treated and controlled hypertensive patients, the poor persistence of initial dominance between visits requires us to review the recommendation of recording, during follow-up, the BP in the arm where it was highest on the first visit.
摘要：
收缩压（SBP）的臂间差异（IAD）与较高的心血管风险有关。我们比较了同时和连续记录测量SBP的IAD，并评估两次访问之间的可重复性。143例高血压患者（63.8±9.5岁，51.7％的女性）接受稳定的抗高血压药物治疗和控制，持续时间≥3个月。用自动示波装置同时连续测量双臂血压(BP),两次访问。与连续的SBP相比，同时SBP的IAD显着降低，两者都在第一(3.51±4.1vs.4.40±3.7mmHg；P<.01）和第二次访视（3.62±3.5vs.5.69±5.1mmHg;P<.001)。当SBP的IAD分类为≥10或<10mmHg时，在同时测量和连续测量中,两次访视之间的可重复性均不显著.在同时发生的情况下，左臂和右臂之间的初始优势频率相似（46.2vs.43.3%），并且在连续的右臂中更大（55.2vs.38.5).当同时测量SBP时，两次访问之间的优势持久性显著更高(54.4%vs.45.5%；P<0.01）。我们的研究表明，要定义BP最高的手臂，同时测量是优选的。在治疗和控制的高血压患者中，两次访问之间的初始主导地位的持久性较差，要求我们审查录音的建议，在后续行动中,第一次访问时血压最高。
