Geneva, May 4 -- International Clinical Trials Registry received information related to the study (ChiCTR2600123225) titled 'A prospective, multi-center, paired-design clinical trial evaluating the safety and efficacy of an ultrasound contrast injection device for detecting right-to-left shunts' on April 23.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The First Hospital of Hebei Medical University

Condition: Used to aid ultrasound in the screening of right-to-left blood shunting (RLS) within the heart.

Intervention: Test group:Ultrasound contrast injection device.

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-05-01

Target Sample Size: Test group:97;Control group:67...