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Development and validation of a risk model for stroke in patent foramen ovale with grade 1 right-to-left shunt

Development and validation of a risk model for stroke in patent foramen ovale with grade 1 right-to-left shunt

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2600128610
Enrollment
Unknown
Registered
2026-07-23
Start date
2026-07-31
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

Patent foramen ovale

Interventions

Non-stroke group:none
Stroke group:None

Sponsors

Fifth Affiliated Hospital, Sun Yat-Sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age >= 18 years. 2.PFO confirmed by TEE and c-TTE.

Exclusion criteria

Exclusion criteria: 1.Concurrent congenital heart diseases such as atrial septal defect. 2.Concomitant intrapulmonary shunt. 3.Severe valvular heart disease or hypertension. 4.Other known stroke etiologies such as large artery atherosclerosis or cardioembolism. 5.History of atrial septal surgery. 6.Incomplete clinical or imaging data.

Design outcomes

Primary

MeasureTime frame
Stroke;Two-dimensional ultrasound signs, CDFI, and right-to-left shunt grading of patent foramen ovale;—

Secondary

MeasureTime frame
General patient information;—

Countries

China

Contacts

Public ContactChen Xiaobo

Fifth Affiliated Hospital, Sun Yat-Sen University

chenxb59@mail.sysu.edu.cn+86 756 2528232

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Aug 10, 2026