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Estimating heart stroke volume using photoplethysmography signal

Stroke volume estimation using photoplethysmography

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
CRIS
Registry ID
KCT0006972
Enrollment
1500
Registered
2022-02-03
Start date
2022-01-19
Completion date
Unknown
Last updated
2022-02-07

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

Conditions

None listed

Interventions

None listed

Sponsors

Chungnam National University Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Intraoperative use of pulse oximeter 2. Intraoperative use of one of following monitors (1) Pulse contour analysis using arterial pressure wave (Flotrac) (2) Swan-Ganz pulmonary artery catheter (3) esophageal doppler (Cardio Q) 3. Intraoperative continuous vital data recording via Vital recorder

Exclusion criteria

Exclusion criteria: Cases with error or missing data

Design outcomes

Primary

MeasureTime frame
Root mean squared error (RMSE);Mean absolute error;R-squared;Percentage error—

Secondary

MeasureTime frame
concordance rate—

Countries

Korea, Republic of

Contacts

Public ContactChahyun Oh

Chungnam National University Hospital

5chahyun@naver.com+82-42-280-7840

Outcome results

None listed

Source: CRIS (via WHO ICTRP) · Data processed: Feb 4, 2026