Oscillometric blood pressure (BP) measurement devices are increasingly replacing standard mercury sphygmomanometers and generalizability of validation studies to other environments, for example, national survey environments, is assumed. We compared BP measurements according to two highly standardized German national survey BP protocols: a standard mercury sphygmomanometer and an oscillometric device, Datascope Accutorr Plus, each with specific manufacturer-provided cuffs and cuff-selection rules. A sample of 105 adults were subjected to alternate same-arm BP measurements according to the principles of the International Protocol revision 2010 for the validation of BP-measuring devices in adults of the European Society of Hypertension. In all, 315 BP measurement pairs were obtained. The mean systolic blood pressure (SBP) and diastolic blood pressure (DBP) were higher by the standard mercury old protocol and increased with BP, age, and pulse pressure, and were associated with the ratios of the cuff width to the arm circumference. The mean systolic difference (datascope new protocol-standard mercury old protocol) in participants with old protocol: for SBP<120 was -3.5 ± 4.9 mmHg (n=162), for SBP 120-139 (n=108) was -6.4 ± 5.8 mmHg, and for SBP ≥ 140 (n=45) was -11.9 ± 7.2 mmHg. For DBP<80/80-89/≥ 90 in 230/67/18 participants, the differences were -1.9 ± 5.0/-6.8 ± 5.9/-7.6 ± 5.2 mmHg. A calibration formula for SBP derived from linear regression modeling includes SBP, sex, age, pulse pressure, and the difference in the cuff-width to arm-circumference ratios for the two devices (for DBP without age). Our study suggests that even in a highly standardized national survey environment, reported agreement from validation studies may not be replicable and comparisons in the specific clinical or research setting can be useful before replacing the mercury device completely.

译文

:示波血压(BP)测量设备正逐渐取代标准的汞血压计,并假设将验证研究推广到其他环境(例如,国家调查环境)。我们根据两个高度标准化的德国国家调查BP规程比较了BP的测量值:一个标准的汞血压计和一个示波仪器Datascope Accutorr Plus,每个都具有制造商提供的特定袖带和袖带选择规则。根据国际协议修订版2010的原则,对105位成年人的样本进​​行了交替的同臂BP测量,以验证欧洲高血压学会成年人的BP测量设备。总共获得了315个BP测量对。根据标准的旧汞试验方案,平均收缩压(SBP)和舒张压(DBP)较高,并且随着BP,年龄和脉压而升高,并且与袖带宽度与臂围的比率有关。具有旧规程的参与者的平均收缩压差异(数据范围新规程标准的汞标准旧规程):对于SBP <120为-3.5±4.9 mmHg(n = 162),对于SBP 120-139(n = 108)为-6.4± 5.8 mmHg,对于SBP≥140(n = 45)为-11.9±7.2 mmHg。对于230/67/18参与者中的DBP <80 / 80-89 /≥90,差异为-1.9±5.0 / -6.8±5.9 / -7.6±5.2 mmHg。从线性回归模型得出的SBP校准公式包括SBP,性别,年龄,脉压以及两种设备的袖带宽度与手臂围度之差(对于没有年龄的DBP)。我们的研究表明,即使在高度标准化的国家调查环境中,验证研究报告的协议也可能无法复制,并且在完全替换汞装置之前,在特定的临床或研究环境中进行比较可能很有用。

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