AI Article Synopsis
- The study assessed the effectiveness of the Apple Watch® in measuring transcutaneous oxygen saturation in children with cyanotic heart disease during a six-minute walk test.
- Results showed that the Apple Watch® successfully measured saturation in most children, but was only reliable for those with higher saturation levels (above 85%).
- The findings suggest using the Apple Watch® for monitoring oxygen saturation in children with mild cyanosis, but it is not recommended for those with moderate or severe cyanosis due to unreliable results.
Article Abstract
Background: Accurate measurement of transcutaneous oxygen saturation is important for the assessment of cyanosis in CHD. Aim of this study was the evaluation of a supplementary transcutaneous oxygen saturation measurement with an Apple watch® in children with cyanotic heart disease.
Material And Methods: During a six-minute walk test, measurement of transcutaneous oxygen saturation was performed simultaneously with an Oximeter (Nellcor, Medtronic, USA) and an Apple watch® Series 7 (Apple inc, USA) in 36 children with cyanotic heart disease.
Results: Median age was 9.2 (IQR 5.7-13.8) years. Transcutaneous oxygen saturation measurement with the Apple watch® was possible in 35/36 and 34/36 subjects before and after six-minute walk test. Children, in whom Apple watch® measurement was not possible, had a transcutaneous oxygen saturation < 85% on oximeter. Before six-minute walk test, median transcutaneous oxygen saturation was 93 (IQR 91-97) % measured by oximeter and 95 (IQR 93-96) % by the Apple watch®. After a median walking distance of 437 (IQR 360-487) m, transcutaneous oxygen saturation dropped to 92 (IQR 88-95, p < 0.001) % by oximeter and to 94 (IQR 90-96, p = 0.013) % measured with the Apple watch®.
Conclusion: In children with mild cyanosis measurement of transcutaneous oxygen saturation with an Apple watch® showed only valid results if transcutaneous oxygen saturation was > 85%, with higher values being measured with the smart watch. In children with moderate or severe cyanosis transcutaneous oxygen saturation measurement with the Apple watch® was not reliable and cannot be recommended to monitor oxygen saturation at home.
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| http://dx.doi.org/10.1017/S1047951124025216 | DOI Listing |
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