The purpose of this study is to evaluate the variations of respiratory changes in pulse oximeter plethysmographic amplitude (delta POP) according to different contact forces between finger and sensor of pulse oximeter. During general anesthesia without surgical stimuli, pulse oximeter sensor is applied with serial contact force, from 0 to maximal 1.5N (increased by 0.2N) and POP waveform is obtained for 60 seconds. Delta POP will be calculated and compared.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
35
During general anesthesia, pulse oximeter sensor is applied with gradually increased contact force, from 0 to 1.5N (increase by about 0.2N), at an index finger and POP waveform is obtained for 60 seconds.
SNUH
Seoul, Jongro Gu, South Korea
RECRUITINGRespiratory changes in pulse oximeter plethysmographic amplitude measured
Respiratory changes in pulse oximeter plethysmographic amplitude measured by pulse oximeter sensor with different contact force
Time frame: about 3 minutes after anesthetic induction without surgical stimuli
Amplitude of pulse oximeter plethysmography
Amplitude of pulse oximeter plethysmography measured by pulse oximeter sensor with different contact force
Time frame: about 3 minutes after anesthetic induction without surgical stimuli
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