Accuracy of Blood Oxygen Measurement by Apple Watch in Children

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20230228005

Enrollment

Registered

2023-02-28

Start date

2021-04-07

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Children with heart disease Healthy children congenital heart disease cyanosis healthy blood oxygen measurement pulse oximetry apple watch

Interventions

Children with native cyanotic congenital heart disease or postoperative procedure with residual cyanosis,Healthy children or children with acyanotic condition

Diagnostic,Diagnostic

Cyanotic group,Acyanotic group

Eligibility

Sex/Gender

All

Age

1 Days to 15 Years

Inclusion criteria

Inclusion criteria: healthy children or children diagnosed with either cyanotic or acyanotic heart disease visiting as out-patient or in-patient setting at Ramathibodi hospital between January 2021 to December 2021

Exclusion criteria

Exclusion criteria: participants with contact isolation, hypoxemia from other causes such as respiratory, neurological, or hematological conditions, and other critical illness that might affect circulation.

Design outcomes

Primary

Measure	Time frame
accurate blood oxygen measurement 1 day Bland-Altman analysis	—

Secondary

Measure	Time frame
success rate of blood oxygen measurement 1 day percentage of successful measurement	—

Countries

Thailand

Contacts

Public ContactSuthep Wanitkun

Ramathibodi Hospital

suthep.wan@mahidol.ac.th6622011685

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026