PMID: 7595685Sep 1, 1995Paper

Optimal sites for forehead oscillometric blood pressure monitoring

Journal of Clinical Monitoring
T K LeeD R Westenskow

Abstract

Blood pressure is usually measured noninvasively with a cuff on the arm of the leg. Circumstances exist, however, when an alternative site for blood pressure measurement is desirable. This study is designed to identify a location on the forehead where blood pressure can be reliably measured noninvasively. We mapped the superficial temporal artery and/or the supraorbital artery in 65 volunteers and found a rectangular area where an adhesive pressure pad could be placed over each artery. Oscillometric signals were recorded from four different locations over the forehead in 19 of the 65 volunteers to compare the amplitude of the signal and mean blood pressure between locations. The course of the supraorbital artery is quite consistent. It passed through a 2.5- x 1-cm rectangular area on the forehead in all volunteers in which it was mapped. The medial border of the rectangle is 0.5-cm medial and 1-cm above the medial corner of the left eyebrow. The course of the superficial temporal artery differed remarkably from person to person. We could not find an area of reasonable size to cover the artery in all wounds. Mean blood pressures were the same in all forehead locations. The signal was the weakest on the center of the forehead and...Continue Reading

References

Feb 1, 1978·The Journal of Pediatrics·M A SimmonsM A Guggenheim
Jul 1, 1978·The Journal of Pediatrics·G W PrianO P O'Meara
Jan 1, 1985·Anesthesiology·D A Finholt
Jun 1, 1980·The Journal of Pediatrics·M J BullE L Gresham
Jul 1, 1993·Annals of Biomedical Engineering·D ShenoyJ C Buckey

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