Proper Procedure for Inserting an Intercostal Drainage Tube
The optimal approach for intercostal drainage tube insertion is through the 4th or 5th intercostal space in the mid-axillary line for most indications, using a small-bore tube when possible to minimize patient discomfort, with ultrasound guidance to improve safety and efficacy. 1, 2
Patient Preparation and Positioning
Anesthesia:
- Use local anesthetic (0.25% bupivacaine or lidocaine) infiltrated into the skin, subcutaneous tissue, intercostal muscles, periosteum of the rib, and parietal pleura 2
- Maximum dose: 2 mg/kg for bupivacaine or 3 mg/kg for lidocaine 2
- For pediatric patients or those who cannot tolerate the procedure under local anesthesia, consider sedation or general anesthesia 2
Position:
Site Selection
- For pneumothorax without hemothorax: 2nd or 3rd intercostal space in the mid-clavicular line 2
- For hemothorax or pleural effusion: 4th or 5th intercostal space in the mid-axillary line 2, 1
- Safe triangle: Area bordered by anterior border of latissimus dorsi, lateral border of pectoralis major, and a line superior to the horizontal level of the nipple 2
- Avoid posterior placement due to risk of intercostal artery injury (arteries run in middle of intercostal spaces posteriorly) 2
Imaging Guidance
- Ultrasound guidance should be used whenever possible to:
Tube Size Selection
- Small-bore tubes (including pigtail catheters) should be used whenever possible to minimize patient discomfort 2
- Large-bore tubes (24-28F) may be necessary for:
Insertion Technique
Preparation:
Sterile technique:
- Clean the area with antiseptic solution
- Drape the area with sterile towels
Anesthesia:
Incision:
- Make an incision one intercostal space below the intended insertion site
- Incision should be large enough to accommodate the tube (approximately 2-3 cm)
Insertion:
- Use blunt dissection technique (preferred) or Seldinger technique 3
- Avoid trocar technique due to higher risk of complications 3, 1
- Dissect through subcutaneous tissue and intercostal muscles
- Enter the pleural space at the upper border of the rib to avoid neurovascular bundle 2
- Insert finger to confirm entry into pleural space and clear adhesions
- Guide the tube into position using a curved clamp
Direction:
- For pneumothorax: direct tube anteriorly and superiorly
- For fluid drainage: direct tube posteriorly and inferiorly
Securing the Tube
- Use a robust securing technique to prevent dislodgement 4
- Modified "Jo'burg" technique is recommended for military settings and patient transfers 4
- Standard approach:
- Place a purse-string suture around the insertion site
- Use a mattress suture through the skin adjacent to the tube
- Wrap suture around tube and tie securely
- Apply sterile dressing around the tube
Connection to Drainage System
- Connect to underwater seal drainage system without initial suction 3
- For tension pneumothorax, avoid applying suction initially 3
- If lung fails to re-expand, apply minimal suction and gradually increase while monitoring 3
Common Pitfalls and Complications
- Malposition: Occurs in approximately 20% of cases, more common with lateral approach (25%) than ventral approach (9.5%) 5
- Interlobar placement: Significantly higher risk with lateral approach 5
- Other complications: Pain, drain blockage, accidental dislodgment, organ injury, hemothorax, infections (11% overall) 3
- Never clamp a bubbling chest tube as this can lead to tension pneumothorax 3
Post-Insertion Management
- Obtain chest radiograph to confirm tube position
- Monitor for air leak, drainage volume, and respiratory parameters 3
- Discontinue suction once lung has re-expanded 3
- Observe for 5-12 hours before repeating chest radiograph to ensure pneumothorax has not recurred 3
By following this structured approach to intercostal drainage tube insertion, you can maximize success rates and minimize complications, ultimately improving patient outcomes in terms of morbidity, mortality, and quality of life.