The effectiveness of pulse oximetry sonification enhanced with tremolo and brightness for distinguishing clinically important oxygen saturation ranges: a laboratory study

被引:15
作者
Paterson, E. [1 ]
Sanderson, P. M. [1 ,2 ,3 ]
Paterson, N. A. B. [4 ]
Liu, D. [2 ]
Loeb, R. G. [5 ]
机构
[1] Univ Queensland, Sch Psychol, Brisbane, Qld, Australia
[2] Univ Queensland, Sch ITEE, Brisbane, Qld, Australia
[3] Univ Queensland, Sch Med, Brisbane, Qld, Australia
[4] Lady Cilento Childrens Hosp, Brisbane, Qld, Australia
[5] Univ Arizona, Coll Med, Dept Anesthesiol, Tucson, AZ USA
基金
澳大利亚研究理事会;
关键词
auditory alarms; auditory displays; patient monitoring; pulse oximetry; sonification; AUDITORY DISPLAYS; PITCH; PERCEPTION; ATTENTION; ALARMS; MUSIC; SOUND; NOISE;
D O I
10.1111/anae.13424
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
Our study examined the effectiveness of pulse oximetry sonification enhanced with acoustic tremolo and brightness to help listeners differentiate clinically relevant oxygen saturation ranges. In a series of trials lasting 30s each, 76 undergraduate participants identified final oxygen saturation range (Target: 100% to 97%; Low: 96% to 90%; Critical: 89% and below), and detected threshold transitions into and out of the target range using conventional sonification (n=38) or enhanced sonification (n=38). Median (IQR [range]) accuracy for range identification with the conventional sonification was 80 (70-85 [45-95])%, whereas with the enhanced sonification it was 100 (99-100 [80-100])%; p<0.001. Accuracy for detecting threshold transitions with the conventional sonification was 60 (50-75 [30-95])%, but with the enhanced sonification it was 100 (95-100 [75-100]%; p<0.001. Participants can identify clinically meaningful oxygen saturation ranges and detect threshold transitions more accurately with enhanced sonification than with conventional sonification.
引用
收藏
页码:565 / 572
页数:8
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