Pulse transit time by r-wave-gated infrared photoplethysmography: Review of the literature and personal experience

被引：70

作者：

Naschitz J.E. ^{[1
]}

Bezobchuk S. ^{[1
]}

Mussafia-Priselac R. ^{[1
]}

Sundick S. ^{[1
]}

Dreyfuss D. ^{[1
]}

Khorshidi I. ^{[1
]}

Karidis A. ^{[1
]}

Manor H. ^{[1
]}

Nagar M. ^{[1
]}

Peck E.R. ^{[1
]}

Peck S. ^{[1
]}

Storch S. ^{[2
]}

Rosner I. ^{[3
]}

Gaitini L. ^{[4
]}

机构：

[1] Department of Internal Medicine A, Bnai Zion Medical Center, Technion-Israel Institute of Technology, Haifa 31048

[2] Department of Nephrology, Bnai Zion Medical Center, Technion-Israel Institute of Technology, Haifa 31048

[3] Department of Rheumatology, Bnai Zion Medical Center, Technion-Israel Institute of Technology, Haifa 31048

[4] Department of Anesthesiology, Bnai Zion Medical Center, Technion-Israel Institute of Technology, Haifa 31048

来源：

Journal of Clinical Monitoring and Computing | 2004年 / 18卷 / 5-6期

关键词：

Aterial stiffness; Blood pressure measurement; Dysautonomia; Infrared photoplethysmography; Sleep apnea;

D O I：

10.1007/s10877-005-4300-z

中图分类号：

学科分类号：

摘要：

Objective. Pulse transit time (PTT) is the time it takes a pulse wave to travel between two arterial sites. A relatively short PTT is observed with high blood pressure (BP), aging, arteriosclerosis and diabetes mellitus. Most methods used for measuring the PTT are cumbersome and expensive. In contrast, the interval between the peak of the R-wave on the electrocardiogram and the onset of the corresponding pulse in the finger pad measured by photoplethysmography can be easily measured. We review herein the literature and impart the experience at our institution on clinical applications of R-wave-gated photoplethysmography (RWPP) as measurement of PTT. Methods. The MEDLINE data base on clinical applications of RWPP was reviewed. In addition, studies performed in the author's institution are presented. Results. When used as a surrogate for beat-to-beat BP monitoring, RWPP did not meet the level of accuracy required for medical practice (two studies). RWPP produced accurate and reproducible signals when utilized as a surrogate for intra-thoracic pressure changes in obstructive sleep apnea, as well as BP arousals which accompany central sleep apnea (five studies). In estimation of arterial stiffness, RWPP was unsatisfactory (one study). In assessment of cardiovascular reactivity, abn ormal values of RWPP were noted in autonomic failure (one study), while disease-specific reactivity patterns were identified utilizing a method involving RWPP (two studies). Conclusions. In clinical practice, sleep-apnea may be accurately monitored by RWPP. RWPP seems to reflect autonomic influences and may be particularly well-suited for the study of vascular reactivity. Thus, further descriptions of disease-specific cardiovascular reactivity patterns may be possible with techniques based on RWPP. Other clinical uses of RWPP are investigational. © Springer Science + Business Media, Inc. 2005.

引用

页码：333 / 342

页数：9

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