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JRM Vol.11 No.6 pp. 483-489
doi: 10.20965/jrm.1999.p0483
(1999)

Paper:

Estimation of Oxygen Desaturation by Analyzing Breathing Curves

Yoshifumi Nishida, Takashi Suehiro and Shigeoki Hirai

Intelligent Systems Division, Electrotechnical Laboratory, 1-1-4 Umezono, Tsukuba-shi, Ibaraki 305-8568, Japan

Received:
October 2, 1999
Accepted:
November 17, 1999
Published:
December 20, 1999
Keywords:
non-invasive unrestrained monitoring, respiration, Cheyne-Stokes breath, desaturation estimation
Abstract

The unrestrained monitor reduces monitoring load, but the variety of physiological values is limited. We propose a new method for measuring oxygen desaturation frequency by analyzing Cheyne-Stokes-like breathing curves based on the fact that the characteristic pattern of the curve occurs at a high probability at oxygen desaturation. We confirmed the effectiveness of our proposal in experiments on patients with sleep apnea and other disorders. This proposal is applicable to any sensors that monitor breathing curves and in calculating physiological values using unrestrained monitors at home and in screenings examination at hospitals having no special equipment.

Cite this article as:
Yoshifumi Nishida, Takashi Suehiro, and Shigeoki Hirai, “Estimation of Oxygen Desaturation by Analyzing Breathing Curves,” J. Robot. Mechatron., Vol.11, No.6, pp. 483-489, 1999.
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