Unique ID issued by UMIN | UMIN000026500 |
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Receipt number | R000030433 |
Scientific Title | Influence of head-down position on fingertip and forehead pulse oximetry |
Date of disclosure of the study information | 2017/03/10 |
Last modified on | 2017/11/13 15:06:27 |
Influence of head-down position on fingertip and forehead pulse oximetry
Influence of head-down position on fingertip and forehead pulse oximetry
Influence of head-down position on fingertip and forehead pulse oximetry
Influence of head-down position on fingertip and forehead pulse oximetry
Japan |
none
Anesthesiology |
Others
NO
Hypothermia, hypotension, and peripheral vasoconstriction can reduce the pulse size of pulse oximetry and lead to absent or erroneous oxygen saturation readings at the fingertips. In these situations, the forehead could be better alternative site to monitor oxygen saturation. However, forehead pulse oximetry relates to lower oxygen saturation readings under head-down position. We research the change of oxgen saturation readings at fingertip and forehead in healthy volunteers in head-down position.
Safety,Efficacy
The change of forehead pulse oximetry in head-down position
venous engorgement, facial flush
Interventional
Single arm
Non-randomized
Open -no one is blinded
Uncontrolled
1
Treatment
Device,equipment |
The heathy adult volunteers were studied using pulse sensor in the forehead and in the fingertip under head-down positions. First, SpO2 was checked in supine position. Second, subjects were rotated to 10 degree head-down position, kept it for 5 min, and data were checked. Subjects were returned to supine position for 5 min between the two inclined positions to eliminate transient venous pooling. If oxygen saturation in the forehead decreased less than 3% compared to supine position, they were tiled 2 degree more head-down position. If oxygen saturation in the forehead decreased more than 3% compared to supine position, they returned 2 degree back to supine position. We cheaked maximal angular degrees of head-down rotation, which oxygen saturation in the forehead was declined within 3% compared to supine position.
20 | years-old | <= |
Not applicable |
Male and Female
Healthcare workers who work in operation room at Sumitomo hospital
ASA physical status over three
The history of cerebro-vascular disease
The history of heart failure
Full stomach
The history of glaucoma
30
1st name | |
Middle name | |
Last name | Motoko Shimizu |
Sumitomo Hospital
Department of Anesthesiology
5-3-20 Nakanoshima, kita-ku, osaka-shi, Osaka
06-6443-1261
m1294620@msic.med.osaka-cu.ac.jp
1st name | |
Middle name | |
Last name | Motoko Shimizu |
Sumitomo Hospital
Department of Anesthesiology
5-3-20 Nakanoshima, kita-ku, osaka-city, Osaka, Japan
06-6443-1261
m1294620@msic.med.osaka-cu.ac.jp
Sumitomo Hospital
none
Self funding
NO
2017 | Year | 03 | Month | 10 | Day |
Unpublished
Completed
2017 | Year | 03 | Month | 10 | Day |
2017 | Year | 03 | Month | 13 | Day |
2017 | Year | 11 | Month | 13 | Day |
2017 | Year | 11 | Month | 13 | Day |
2017 | Year | 11 | Month | 13 | Day |
2017 | Year | 03 | Month | 10 | Day |
2017 | Year | 11 | Month | 13 | Day |
Value
https://center6.umin.ac.jp/cgi-open-bin/ctr_e/ctr_view.cgi?recptno=R000030433
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