Cerebral tissue oxygen saturation (SrO2) from near infrared spectroscopy (NIRS) measurements following 90°-head-up tilt

A. Martinez-Coll; M. K. Morgan; P. G. Cooper; H. T. Nguyen; S. N. Hunyor

doi:10.1007/978-1-4615-4717-4_15

Cerebral tissue oxygen saturation (SrO₂) from near infrared spectroscopy (NIRS) measurements following 90°-head-up tilt

A. Martinez-Coll^*, M. K. Morgan, P. G. Cooper, H. T. Nguyen, S. N. Hunyor

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Changes in posture from supine to erect (head up) elicit changes in the hydrostatic pressure gradient acting on the systemic cerebral circulation. The initial effect of a headup tilt (HUT) is a decrease in mean arterial pressure and a concomitant temporary decrease in blood flow (Patterson and Warren, 1952) which in turn triggers the appropriate myogenic mechanisms to maintain flow. At the venous end, the same changes in posture result in decreased blood volume.

Original language	English
Pages (from-to)	125-131
Number of pages	7
Journal	Advances in Experimental Medicine and Biology
Volume	471
DOIs	https://doi.org/10.1007/978-1-4615-4717-4_15
Publication status	Published - 1999
Externally published	Yes

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title = "Cerebral tissue oxygen saturation (SrO2) from near infrared spectroscopy (NIRS) measurements following 90°-head-up tilt",

abstract = "Changes in posture from supine to erect (head up) elicit changes in the hydrostatic pressure gradient acting on the systemic cerebral circulation. The initial effect of a headup tilt (HUT) is a decrease in mean arterial pressure and a concomitant temporary decrease in blood flow (Patterson and Warren, 1952) which in turn triggers the appropriate myogenic mechanisms to maintain flow. At the venous end, the same changes in posture result in decreased blood volume.",

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AU - Morgan, M. K.

AU - Cooper, P. G.

AU - Nguyen, H. T.

AU - Hunyor, S. N.

PY - 1999

Y1 - 1999

N2 - Changes in posture from supine to erect (head up) elicit changes in the hydrostatic pressure gradient acting on the systemic cerebral circulation. The initial effect of a headup tilt (HUT) is a decrease in mean arterial pressure and a concomitant temporary decrease in blood flow (Patterson and Warren, 1952) which in turn triggers the appropriate myogenic mechanisms to maintain flow. At the venous end, the same changes in posture result in decreased blood volume.

AB - Changes in posture from supine to erect (head up) elicit changes in the hydrostatic pressure gradient acting on the systemic cerebral circulation. The initial effect of a headup tilt (HUT) is a decrease in mean arterial pressure and a concomitant temporary decrease in blood flow (Patterson and Warren, 1952) which in turn triggers the appropriate myogenic mechanisms to maintain flow. At the venous end, the same changes in posture result in decreased blood volume.

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DO - 10.1007/978-1-4615-4717-4_15

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JO - Advances in Experimental Medicine and Biology

JF - Advances in Experimental Medicine and Biology

ER -

Cerebral tissue oxygen saturation (SrO₂) from near infrared spectroscopy (NIRS) measurements following 90°-head-up tilt

Abstract

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