Pulse Arrival Time is Not an Adequate Surrogate for Pulse Transit Time in Terms of Tracking Diastolic Pressure

被引：0

作者：

Zhang, Guanqun ^{[1
]}

Xu, Da ^{[1
]}

Olivier, N. Bari ^{[2
]}

Mukkamala, Ramakrishna ^{[1
]}

机构：

[1] Michigan State Univ, Dept Elect & Comp Engn, E Lansing, MI 48824 USA

[2] Michigan State Univ, Dept Small Anim Clin Sci, E Lansing, MI 48824 USA

来源：

2011 ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY (EMBC) | 2011年

关键词：

PRE-EJECTION PERIOD; BLOOD-PRESSURE; WAVE VELOCITY; MARKER;

D O I：

暂无

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

We compared pulse arrival time (PAT) and pulse transit time (PTT) in terms of their ability to track diastolic pressure (DP). We performed the comparison using high fidelity, invasive arterial waveforms recorded from six dogs during multiple interventions. On average, DP ranged from 40 to 106 mmHg and therefore varied widely. PAT and PTT were able to predict DP with average root-mean-squared-errors of 9.8 +/- 5.8 mmHg and 5.7 +/- 2.0 mmHg (p = 0.02). Thus, even though PAT is simpler to measure, we can only recommend using PTT for tracking DP.

引用

页码：6462 / 6464

页数：3

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