Study on pulmonary function imaging diagnosis by chest X-ray dynamics photographing with motion picture compatible flat panel detector.Application 1 in emergency area: For pulmonary embolism patients.

Study on pulmonary function imaging diagnosis by chest X-ray dynamics photographing with motion picture compatible flat panel detector.Application 1 in emergency area: For pulmonary embolism patients. - Clinical application of chest x-ray dynamic photography 1

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000033644

Enrollment

Registered

2018-08-10

Start date

2017-12-01

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 embolism

Interventions

Chest x-ray dynamic photography

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Be an adult over 20 years old 2) Written informed consent 3) Patients suspected of pulmonary embolism or patients diagnosed with pulmonary embolism 4) Chest CT contrast test scheduled for diagnosis or follow-up of pulmonary embolism

Exclusion criteria

Exclusion criteria: 1) have allergy to the contrast agent 2) During pregnancy, possibility of pregnancy, delivery within 28 days, breast-feeding 3) Psychiatric disorder or psychiatric symptoms are merged and it is judged difficult to participate in the trial 4) Severe cases (during artificial respiration, SpO2 <93% even when administered oxygen, wearing an extracorporeal circulation assisting device, shock index> 1, during noradrenaline administration, GCS <13) 5) Even if it does not apply to 4) above, the patient who judged treatment as priority by the attending physician

Design outcomes

Primary

Measure	Time frame
Sensitivity for diagnosis of pulmonary embolism in measurement method of heart rate variation of permeability of 18 lung fields by chest X-ray dynamic imaging apparatus with contrast CT examination as a reference	—

Secondary

Measure	Time frame
specificity for diagnosis of pulmonary embolism in measurement method of heart rate variation of permeability of 18 lung fields by chest X-ray dynamic imaging apparatus with contrast CT examination as a reference Sensitivity and specificity of pulmonary embolism diagnosis of blood flow mapping image by chest x-ray dynamic imaging device	—

Countries

Japan

Contacts

Public ContactJIRO SHIMADA

Fukushima Medical University hospital Emergency and Critical Care Center

jshimada@fmu.ac.jp0245471111

Outcome results

None listed

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