Postoperative oxygenation and dorsal lung ventilation in patients undergoing craniotomy: comparison of supine and prone surgical positions

Clinical application of pulmonary electrical impedance tomography in individualized ventilation strategy for patients undergoing craniotomy

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100047956

Enrollment

Unknown

Registered

2021-06-28

Start date

2021-09-30

Completion date

Unknown

Last updated

2022-03-07

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

Conditions

Postoperative pulmonary atelectasis

Interventions

Group 1:Intraoperative supine position

Group 2:Intraoperative prone position

Eligibility

Sex/Gender

All

Age

18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Aged 18-65 years; 2. ASA I-II level; 3. BMI 18.5 to 28; 4. Patients who agree to participate in this study and sign the informed consent for anesthesia.

Exclusion criteria

Exclusion criteria: 1. Patients with chronic lung disease or pneumonia within 1 month before surgery; 2. History of lung surgery; 3. Patients with a history of smoking; 4. Surgery patients in the brainstem area.

Design outcomes

Primary

Measure	Time frame
Oxygenation Index;Declining levels of PaO2/FiO2;Dorsal lung ventilation as a percentage of total tidal volume;Lung air volume ultrasound score;	—

Countries

China

Contacts

Public ContactLiu Hairui

The Second Affiliated Hospital of Soochow University

hrhr218@163.com+86 13584820904

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026