The predictive value of ultrasound assessment of diaphragm function for postoperative lung complications in patients with general anesthesia mechanical ventilation

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200055735

Enrollment

Unknown

Registered

2022-01-17

Start date

2021-11-18

Completion date

Unknown

Last updated

2023-06-26

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

Conditions

Lung complications

Interventions

Ultrasound measurement group:Phrenographic thickness change rate and diaphragm movement were measured by ultrasound

Eligibility

Sex/Gender

All

Age

18 Years to 85 Years

Inclusion criteria

Inclusion criteria: 1. Mechanical ventilation; 2. Aged 18 years and over; 3. ASA class I - III; 4. The operation time is expected to be greater than 2 hours; 5. Endotracheal intubation can be removed within 12 hours after planned surgery; 6. Agree to enroll and sign informed consent.

Exclusion criteria

Exclusion criteria: 1. Pulmonary complications-related diseases have been diagnosed before surgery; 2. Chest and abdominal surgery; 3. Phrenfolding or resection is planned; 4. History of neuromuscular disease; 5. Patients with new stroke, cerebral trauma or intracranial hypertension within 3 months before surgery; 6. Previous phrenic nerve or diaphragm related surgery; 7. Obesity (BMI > 35 kg/m2); 8. Unable to cooperate with the respiratory line diaphragm ultrasound examination; 9. Patients with an acute exacerbation of copd or poor asthma control.

Design outcomes

Primary

Measure	Time frame
Calm breathing diaphragm mobility;Deep-breathing level of the diaphragm mobility;Diaphragm thickening rate;	—

Countries

China

Contacts

Public ContactLiu Li

Affiliated Hospital of Southwest Medical University

niuniudoctor@swmu.edu.cn+86 13882739530

Outcome results

None listed

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