Evaluation of right-to-left shunt in the heart and lungs by multimodal ultrasound imaging: a clinical study

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100042611

Enrollment

Unknown

Registered

2021-01-24

Start date

2018-07-01

Completion date

Unknown

Last updated

2021-05-10

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

Conditions

right-to-left shunt in the heart and lungs

Interventions

Gold Standard:(1) After angiography, the images were replayed frame by frame. If the contrast medium microbubbles appeared in the left atrium during the first to fifth cardiac cycle after filling the

if the contrast medium microbubbles appeared after the fifth cardiac cycle, it&#32

Index test:TTE,&#32

cTTE,&#32

TEE,&#32

cTEE,&#32

CT,&#32

DSA

Eligibility

Sex/Gender

All

Age

10 Years to 80 Years

Inclusion criteria

Inclusion criteria: Patients with suspected intracardiac or intrapulmonary shunt should be diagnosed.

Exclusion criteria

Exclusion criteria: (1) Patients with congenital and acquired heart disease diagnosed by conventional transthoracic echocardiography; (2) arrhythmia.

Design outcomes

Primary

Measure	Time frame
SEN, SPE, ACC, AUC of ROC;	—

Countries

China

Contacts

Public ContactJIanping Xu

Department of Ultrasonography, First Hospital of Shanxi Medical University

xujp1972@163.com+86 13753142762

Outcome results

None listed

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