Diagnostic accuracy of oblique chest radiograph for occult pneumothorax

Diagnostic accuracy of oblique chest radiograph for occult pneumothorax - Diagnostic accuracy of oblique chest radiograph for occult pneumothorax

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-jRCT1090220150

Enrollment

150

Registered

2013-11-22

Start date

2010-01-01

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

Occult pneumothorax

Interventions

Intervention type:PROCEDURE Name of intervention: Dose form / Japanese Medical Device Nomenclature: Route of administration / Site of application: Dose per administration: Dosing frequency / Frequency

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: All consecutive blunt chest trauma patients with clinically suspected pneumothorax on arrival at the ED were prospectively included at our trauma center.

Exclusion criteria

Exclusion criteria: Overt pneumothorax, patients require immediate invasive interventions, transferred from another hospital, an age younger than 18 years, refractory shock, cardiac arrest.

Design outcomes

Primary

Measure	Time frame
The performance of oblique chest radiograph for the detection of occult pneumothorax was compared to CT scans for the gold standard.	—

Secondary

Measure	Time frame
Oblique chest radiograph is compared with lung ultrasonography.	—

Countries

Japan

Contacts

Public ContactShokei Matsumoto

Saiseikai Yokohamashi Tobu Hospital

m-shokei@feel.ocn.ne.jp+81-45-576-3000

Outcome results

None listed

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