Skip to content

Immediate visualization of lung ventilation: a clinical application of thoracic electrical impedance tomography (EIT)

Immediate visualization of lung ventilation: a clinical application of thoracic electrical impedance tomography (EIT)

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300068964
Enrollment
Unknown
Registered
2023-03-02
Start date
2023-04-01
Completion date
Unknown
Last updated
2023-05-22

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

Conditions

obesity

Interventions

Control group:Implement lung-protective ventilation strategies according to the clinical experience of the attending anesthesiologist
Real-time B-ultrasound group:Implement lung-protective ventilation strategies according to the results of lung ultrasonography
Real-time EIT group:Implement lung-protective ventilation strategies according to EIT results

Sponsors

Ji'nan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients with body mass index (BMI) >=40 kg/m^2 without severe obesity-related complications; 2. Patients with a body mass index (BMI) >=35 kg/m^2 and one or more severe obesity-related complications that can be corrected by bariatric surgery; 3. Patients with a body mass index (BMI) of 28-34.9 kg/m^2 and poorly controlled metabolic syndromes such as type 2 diabetes and/or arterial hypertension despite optimal lifestyle and medication; 4. Patients aged 18-65 years agreed to participate in the study with full understanding.

Exclusion criteria

Exclusion criteria: 1. Patients who lose the ability to perform daily life; 2. Patients during pregnancy or breastfeeding; 3. Patients with severe liver and kidney insufficiency, cardiopulmonary insufficiency, or other serious diseases who have not received standard treatment before surgery; 4. Patients with serious mental illness in the past; 5. Patients in the active stage of tumor; 6. Patients with poor compliance.

Design outcomes

Primary

MeasureTime frame
incidence of perioperative hypoxemia;

Secondary

MeasureTime frame
the content of inflammatory factors in gastric mucosa;pH of gastric juice;incidence of postoperative pneumonia;partial expiratory time constant;regional ventilation delay inhomogeneity;silent spaces;regional respiratory system compliance;global inhomogeneity;center of ventilation;impedance ratio;end-expiratory lung impedance;tidal impedance variation;arterial partial pressure of oxygen;arterial carbon dioxide partial pressure;pH of arterial blood;

Countries

China

Contacts

Public ContactWang Hao

Ji'nan University

haowang@jnu.edu.cn+86 155 2132 9479

Outcome results

None listed

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