Nitrous Oxide for Facilitating Lung Collapse during One-Lung Ventilation with Bronchial Blocker

Nitrous Oxide for Facilitating Lung Collapse during One-Lung Ventilation with Bronchial Blocker - Nitrous Oxide for Lung Collapse with Bronchial Blocker

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000011326

Enrollment

Registered

2013-08-01

Start date

2010-12-01

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

Thoracotomy or Thoracoscopic Surgery

Interventions

Nitrous Oxide/Oxygen Deflating the bronchial balloon/Non-deflating the bronchial balloon

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Adult patients scheduled for elective thoracotomy or thoracoscopic surgery

Exclusion criteria

Exclusion criteria: 1. Pleural adhesion anticipated on preoperative assesment 2. Evidence of bullae on chest computed tomography

Design outcomes

Primary

Measure	Time frame
To compare lung collapse scale at 5 minutes after opening the thorax between O2 group and N2O group	—

Secondary

Measure	Time frame
To compare lung collapse scale at one minute and 10 minutes after opening the pleura between O2 group and N2O group	—

Countries

Japan

Outcome results

None listed

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