Indications
- • Tension / large pneumothorax
- • Haemothorax
- • Empyema / complicated para-pneumonic effusion
- • Malignant effusion
Contraindications
- ⚠ Coagulopathy (correct first if non-emergency)
- ⚠ Adherent lung
- ⚠ Skin infection
Equipment
- • Seldinger drain kit 12–14 Fr (effusion) / 16–24 Fr (haemothorax)
- • USS for fluid
- • Sterile pack, chlorhexidine, drapes
- • 1% lidocaine
- • Underwater seal drain bottle + tubing
- • 0 silk for anchor + drain stitch
Technique
- • Triangle of safety: anterior to lat dorsi, lateral to pec major, above 5th ICS, apex at axilla
- • USS mark for fluid
- • Sterilise, drape, infiltrate lidocaine to pleura
- • Insert introducer needle just above rib, aspirate fluid/air
- • Pass guidewire, dilate, railroad catheter, advance to ~10 cm
- • Connect to underwater seal — confirm swing / bubbling
- • Suture anchor + Mersilene drain stitch (closure on removal)
- • CXR to confirm position
Complications
- ⚠ Bleeding (intercostal artery)
- ⚠ Lung / liver / spleen injury
- ⚠ Re-expansion pulmonary oedema
- ⚠ Drain dislodgement / blockage
- ⚠ Surgical emphysema
Aftercare
- • Daily review: swing, bubble, drainage volume
- • CXR after insertion, when stopped bubbling, before removal
- • Remove when air leak resolved + <200 mL/24 h serous
Clinical pearls
- • For tension pneumothorax do needle decompression first (5th ICS MAL or 2nd ICS MCL)
- • Never clamp a bubbling drain
- • Small bore drains adequate for most effusions / pneumothorax
Perform under supervision until competent. Follow local SOPs and consent policy.
