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Updated: Jan 10, 2026

The Rigid Tube as an Alternative in Controlling the Problematic Airway
Published on: June 6, 2020
Novel Triple-Cuff versus Conventional Double-Cuff Double-Lumen Endobronchial Tube in Patients with Risk Factors for
Namo Kim1,2, Young Jun Oh1,2, Hye Jin Kim1,2
1Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul, Korea.
A novel triple-cuff double-lumen endobronchial tube (DLT) significantly reduces misplacement in short, obese females with narrow airways. This innovation improves intubation efficiency and patient safety during thoracic surgery.
Area of Science:
- Anesthesiology
- Thoracic Surgery
- Airway Management
Background:
- Accurate double-lumen endobronchial tube (DLT) placement is critical for lung isolation in thoracic surgery.
- Misdirection of left-sided DLTs into the right main bronchus is common in specific patient demographics.
- A novel triple-cuff DLT with an additional carinal cuff aims to improve left main bronchus targeting.
Purpose of the Study:
- To evaluate the efficacy of a novel triple-cuff DLT in reducing DLT misdirection.
- To compare the triple-cuff DLT with the conventional double-cuff DLT in short, obese females with narrow airways.
- To assess the impact of the triple-cuff DLT on intubation time and airway complications.
Main Methods:
- A single-center, unblinded randomized controlled trial was conducted.
- 77 short, obese females with narrow airways were randomized to either the triple-cuff or double-cuff DLT group.
- Key outcomes assessed included DLT misdirection rate, adjustment depth, intubation time, hypoxia, and airway injury.
Main Results:
- The triple-cuff DLT group showed a significantly lower misdirection rate (15.3%) compared to the double-cuff group (46.5%).
- The triple-cuff DLT was associated with fewer adjustments and shorter intubation times.
- Incidences of hypoxia, airway injury, and postoperative sore throat were lower with the triple-cuff DLT.
Conclusions:
- The triple-cuff DLT is superior to conventional DLTs in preventing misplacement in the target patient population.
- This novel DLT facilitates a faster and safer intubation process.
- The triple-cuff DLT enhances patient safety by reducing airway complications.
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