Evaluation of pulmonary ventilation and circulatory disorder by a dynamic flat-panel detector system

Examination of the usefulness of pulmonary ventilation and circulatory disorder evaluation technology using a dynamic flat-panel detector system for patients with pulmonary hypertension

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-jRCTs032200102

Enrollment

Registered

2020-08-31

Start date

2020-08-31

Completion date

Unknown

Last updated

2026-06-29

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

Conditions

Pulmonary hypertension PH Ventilation Perfusion

Interventions

Conducting X-ray dynamic image inspection by a dynamic flat-panel detector system

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients suspected with pulmonary hypertension (PH) or patients diagnosed with PH who start medical or surgical treatment 2. Patients aged 20 to 75 at the time of obtaining consent 3. Patients with or expected to have a ventilation/perfusion scintigram test 4. Patients who can perform forced breathing, quiet breathing, and breath-hold in the standing or lying position 5. Written informed consent

Exclusion criteria

Exclusion criteria: 1. Ventilation/perfusion scintigram maladjusted patients 2. Pregnant and/or lactating women 3. Patients judged to be ineligible

Design outcomes

Primary

Measure	Time frame
Ability to detect pulmonary ventilation and perfusion defects	—

Secondary

Measure	Time frame
Effectiveness for confirming therapeutic effect, ability to express quantitative values of pulmonary ventilation and perfusion	—

Contacts

Public ContactSeiichiro Sakao

Chiba University Hospital

sakaos@faculty.chiba-u.jp+81-432227171

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026