Assessment of the feasibility of an ultra-low power, wireless digital patch for the continuous ambulatory monitoring of vital signs.
Assessment of the feasibility of an ultra-low power, wireless digital patch for the continuous ambulatory monitoring of vital signs.
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DOI：
10.1136/bmjopen-2014-006606
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发表时间：
2015-05-19
期刊：
影响因子：
2.9
通讯作者：
Brett SJ
中科院分区：
文献类型：
--
作者：
Hernandez-Silveira M;Ahmed K;Ang SS;Zandari F;Mehta T;Weir R;Burdett A;Toumazou C;Brett SJ
医院患者的生命体征通常每隔 4-8 小时进行一次记录，测量之间的生命体征恶化可能会产生严重后果。主要研究目标是评估用于连续动态监测生命体征的新型超低功耗无线可穿戴监测系统与广泛使用的临床生命体征监测仪之间的一致性。第二个目标是检查系统自动识别和拒绝无效生理数据的能力。单一医院中心。记录了普通病房 20 名接受择期手术的患者和第二组 41 名患有合并症患者超过 2 小时的心率和呼吸频率。主要结果指标是一致性和偏差的限制。次要结果指标是被拒绝的数据比例。该数字贴片为大多数窦性心律正常的患者（约 80%）以及存在异常心电图记录（不包括房颤等非周期性心律失常）的患者提供了可靠的心率值。在所有研究的患者组中，系统之间的平均差异小于±1 bpm。尽管由于阻抗呼吸描记图对运动伪影的高敏感性，呼吸数据更常被拒绝为无效数据，但报告的有效率为 50%，与床边监测仪相比，平均差异小于±1 brrpm。除了房颤患者的呼吸频率 (p=0.02) 之外，心率和呼吸频率的系统之间的相关性具有统计学显着性 (p<0.0001)。数字贴片和临床监测仪之间的总体一致性令人满意，系统自动拒绝无效数据的功效也是令人满意的。无线监测技术（例如所测试的技术）在作为集成和支持现有临床协议和工作流程的更广泛的医院系统的一部分实施时可能会提供临床价值。
Vital signs are usually recorded at 4–8 h intervals in hospital patients, and deterioration between measurements can have serious consequences. The primary study objective was to assess agreement between a new ultra-low power, wireless and wearable surveillance system for continuous ambulatory monitoring of vital signs and a widely used clinical vital signs monitor. The secondary objective was to examine the system's ability to automatically identify and reject invalid physiological data. Single hospital centre. Heart and respiratory rate were recorded over 2 h in 20 patients undergoing elective surgery and a second group of 41 patients with comorbid conditions, in the general ward. Primary outcome measures were limits of agreement and bias. The secondary outcome measure was proportion of data rejected. The digital patch provided reliable heart rate values in the majority of patients (about 80%) with normal sinus rhythm, and in the presence of abnormal ECG recordings (excluding aperiodic arrhythmias such as atrial fibrillation). The mean difference between systems was less than ±1 bpm in all patient groups studied. Although respiratory data were more frequently rejected as invalid because of the high sensitivity of impedance pneumography to motion artefacts, valid rates were reported for 50% of recordings with a mean difference of less than ±1 brpm compared with the bedside monitor. Correlation between systems was statistically significant (p<0.0001) for heart and respiratory rate, apart from respiratory rate in patients with atrial fibrillation (p=0.02). Overall agreement between digital patch and clinical monitor was satisfactory, as was the efficacy of the system for automatic rejection of invalid data. Wireless monitoring technologies, such as the one tested, may offer clinical value when implemented as part of wider hospital systems that integrate and support existing clinical protocols and workflows.
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DOI：
10.1089/tmj.2010.0042
发表时间：
2010-10-01
期刊：
TELEMEDICINE JOURNAL AND E-HEALTH
影响因子：
--
作者：
Lopes de Almeida, Jos Pedro;Pinto, Anabela C.;de Carvalho, Mamede
通讯作者：
de Carvalho, Mamede
影响因子：
7.6
作者：
Sarosiek, I.;Selover, K. H.;McCallum, R. W.
通讯作者：
McCallum, R. W.
影响因子：
168.9
作者：
Abraham, William T.;Adamson, Philip B.;Yadav, Jay S.
通讯作者：
Yadav, Jay S.
影响因子：
4.6
作者：
PAN, J;TOMPKINS, WJ
通讯作者：
TOMPKINS, WJ
影响因子：
38.9
作者：
Gao, Haiyan;McDonnell, Ann;Harvey, Sheila
通讯作者：
Harvey, Sheila