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Incidence and Factor Analysis of Malposition of Left-sided Double-lumen Endobronchial Tube Intubation

Incidence and Risk Factor Analysis of Malposition of Left-sided Double-lumen Endobronchial Tube Intubation: A Cross-sectional Study

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500111290
Enrollment
Unknown
Registered
2025-10-29
Start date
2025-11-01
Completion date
Unknown
Last updated
2025-11-03

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

Conditions

Diseases of Thoracic Surgery

Interventions

Observation group:None

Sponsors

Shandong Provincial Hospital Affiliated to Shandong First Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to No maximum

Inclusion criteria

Inclusion criteria: 1.Age >= 18 years; 2.Scheduled for thoracic surgery and planned to undergo one-lung ventilation using a left-sided double-lumen endobronchial tube; 3.American Society of Anesthesiologists (ASA) Physical Status Classification Grade I-III; 4.The patient or their family member agrees to participate in this study and signs the informed consent form.

Exclusion criteria

Exclusion criteria: 1.With severe congenital malformations or acquired severe stenosis of the trachea and bronchi; 2.With contraindications to double-lumen endobronchial tube (DLT) manipulation; 3. Absence of imaging examinations; 4.The surgery is an emergency with an extremely critical condition, making it impossible to cooperate in completing data collection; 5.With mental disorders or cognitive impairments, and unable to communicate effectively.

Design outcomes

Primary

MeasureTime frame
Left-sided Double-lumen Endobronchial Tube Entering the Right Main Bronchus;Loose Teeth;—

Secondary

MeasureTime frame
Mallampati Classification;Limited Head and Neck Movement;History of Sleep Apnea;Limited Mouth Opening ;Sharp Teeth;Tooth Absence;Inner Diameter of the Main Bronchus;Length of the Main Bronchus;Length of the Left Main Bronchus;Length of the Right Main Bronchus;Inner Diameter of the Left Main Bronchus;Inner Diameter of the Right Main Bronchus; Angle Between the Right Main Bronchus and the Longitudinal Axis;Angle Between the Left Main Bronchus and the Longitudinal Axis; Remove the Pillow;Shaped to a Single-lumen Tube Form;Bend the Catheter Tip to 135°;Whether to Realign the Catheter After Leftward Rotation;Double-lumen Bronchial Catheter Size;Operator's Working Duration;—

Countries

China

Contacts

Public ContactLv Meng

Shandong Provincial Hospital Affiliated to Shandong First Medical University

qylvmeng@163.com+86 151 6910 5373

Outcome results

None listed

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