What type of dressing is typically applied after chest tube insertion?

• A. Sterile, occlusive dressing (often with petroleum gauze) to seal the tract
• B. Sterile gauze with tape loosely applied
• C. Non-occlusive dressing
• D. Cotton pad and tape only

Answer: (A)

After chest tube insertion, the goal is to create a closed, airtight seal around the tube to prevent air from entering the pleural space and to protect the wound from infection. A sterile, occlusive dressing achieves this, and adding petroleum gauze at the tract helps form a tight seal around the tube without sticking to it. This combination keeps the drainage system effective while reducing the risk of air leaks and subcutaneous emphysema. Loosely applied gauze, non-occlusive coverings, or simple cotton pad dressings don’t provide the necessary seal or protection, making them less appropriate for this situation.