Effects of Negative-Pressure Ventilation on Pulmonary Ventilation and Its Evaluation Using Electrical Impedance Tomography

Effects of Negative-Pressure Ventilation on Pulmonary Ventilation and Its Evaluation Using Electrical Impedance Tomography - Effects of Negative-Pressure Ventilation on Pulmonary Ventilation and Its Evaluation Using Electrical Impedance Tomography

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000060058

Enrollment

Registered

2026-01-01

Start date

2025-12-20

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

Patients with mechanical ventilation

Interventions

Negative pressure ventilation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Age 18 years or older Undergoing surgery under general anesthesia Patients who are admitted to the intensive care unit postoperatively while intubated and are expected to remain on mechanical ventilation until the following morning

Exclusion criteria

Exclusion criteria: Patients who meet the study criteria and are participating in this study for the second time or more during the study period Patients scheduled to undergo thoracic surgery or any surgical incision involving the chest Patients deemed unsuitable for participation in this study by the principal investigator or co-investigators for any other reason

Design outcomes

Primary

Measure	Time frame
delta-EELI	—

Countries

Japan

Contacts

Public ContactSatoshi Kimura

Kyoto University Hospital Department of Anesthesiology

skimura@kuhp.kyoto-u.ac.jp0570-030-311

Outcome results

None listed

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