Ventilation optimization of PEEP titration in abdominal surgery guided by electrical impedance tomography

Ventilation optimization of PEEP titration in robot assisted lower abdominal surgery

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2100053839

Enrollment

Unknown

Registered

2021-12-01

Start date

2021-12-15

Completion date

Unknown

Last updated

2024-08-12

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

Conditions

prostate cancer

Interventions

Experimental group:After titration of optimal PEEP by EIT, maintain optimal PEEP until the end of surgery

Control group:PEEP was set to 5cmH2O

Eligibility

Sex/Gender

Male

Age

18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Patients who sign the informed consent form and are willing to complete the study according to the protocol; 2. Elective robot-assisted lower abdominal surgery; 3. ASA classification I to III; 4. General anesthesia under tracheal intubation.

Exclusion criteria

Exclusion criteria: 1. Untreated ischemic heart disease; 2. Acute or chronic respiratory failure and moderate to severe obstructive or restrictive lung diseases, including COPD and asthma; 3. Neuromuscular diseases affecting respiratory muscles; 4. The patient refuses to cooperate; 5. Inhalation of air in the ward before surgery means that the pulse oxygen is lower than 95%.

Design outcomes

Primary

Measure	Time frame
PaO2/FiO2 after surgery;	—

Secondary

Measure	Time frame
Driving pressure;Regional lung ventilation; Plateau pressure;Pulmonary compliance;	—

Countries

China

Contacts

Public ContactZhang Jun

Fudan University Cancer Hospital

snapzhang@aliyun.com+86 138 1715 3025

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 8, 2026