Skip to content

Lung ultrasound evaluation of atelectasis after general anesthesia: risk factors and association with postoperative pulmonary complications

Lung ultrasound evaluation of atelectasis after general anesthesia: risk factors and association with postoperative pulmonary complications

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500101742
Enrollment
Unknown
Registered
2025-04-29
Start date
2023-12-07
Completion date
Unknown
Last updated
2025-05-05

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

Conditions

atelectasis

Interventions

Observation group:Not applicable

Sponsors

The second hospital of Hebei Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Patients aged above 18 years old; 2.Scheduled for surgery under general anesthesia and transfer to post anesthesia care unit (PACU) after surgery; 3.There was no communication barrier for the patient after the operation; 4.The informed consent form has been signed.

Exclusion criteria

Exclusion criteria: 1.The case data is incomplete; 2.Patients who went through sudden events such as respiratory and cardiac arrest during the perioperative period; 3.Inability to receive lung ultrasound examination, or with preoperative atelectasis; 4.The patient refused to participate in the trial.

Design outcomes

Primary

MeasureTime frame
Total lung ultrasound score;The grade of postoperative pulmonary complications;

Secondary

MeasureTime frame
gender;body mass index;smoking history;previous history of general anesthesia;disease history;presence of anemia;hemoglobin;white blood cell count;aspartate aminotransferase;alanine transaminase;albumin;creatinine;American Society of Anesthesiologists (ASA) physical status;minimum intraoperative body temperature;cumulative fluid balance;blood loss;intraoperative blood transfusion;nerve block;intubation strategy;duration of mechanical ventilation;intraoperative sustained hypotension;type of muscle relaxant;dosage of muscle relaxant;time from the last addition of muscle relaxant to the end of surgery;whether neostigmine was used for muscle relaxant antagonism at the end of surgery;SpO2 on room air;type of surgery;duration of surgery;application of laparoscopy;intraoperative position;Whether lung recruitment was performed during the operation;The use of vasoactive drugs during the operation;

Countries

China

Contacts

Public ContactYa Liu

The second hospital of Hebei Medical University

26901224@hebmu.edu.cn+86 158 0321 7957

Outcome results

None listed

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