Chest drains / Tube Thoracostomy

Indications

  • Diagnostic: effusion/blood/pus/lymph
  • Therapeutic: drainage of air/fluid (effusion, blood, pus, lymph)

Sizes

  • French gauge (20-32F) = external circumference in millimetres
  • 32F used to prevent clot obstruction of tube

Technique

  1. Adequately prepared / consented
  2. Clinical examination + inspection of CXR: confirm side of insertion
  3. Position: (1) supine + arm abducted (2) seated leaning forwards + arms outstretched
    • Skin cleaned w iodine + draped
    • 5th ICS / 3rd ICS (Anterior) anterior to MAL by palpation of ribs
    • LA wheal w 1-2% lignocaine + deep infiltration
  4. Insert over rib (avoids neurovascular bundle)
    • 1.5-2cm incision w scalpel (11 blade)
  5. Blunt dissection down to pleura using finger + Roberts forceps  finger sweep to clear adhesions + widen tract
  6. Drain guided into intercostal space
    • Aim apically for air / basally for fluid
    • Secure with drain stitch + apply dressing/tape
  7. Attach to underwater seal +/- suction
    • Drain bottle below level of patient at all times
    • Minimise resistance: chest tube should be sufficiently wide
    • End of drainage tube should not be > 5cm below level of water otherwise resistance encountered will prevent air from escaping chest tube
  8. Check CXR: accurate position + re-expansion
  9. Analgesia

Complications

  • Laceration/puncture intrathoracic/abdominal organs (prevented by finger sweep)
  • Infection
  • Damage to intercostal nerve/artery/vein
  • Subcutaneous emphysema

Indications for removal

  • Full lung expansion
  • Drain no longer functioning (air/fluid ceased to drain)
  • No longer swinging (can flush drain - remove obstruction with normal saline)

 

Procedure in removal

X-ray after

  1. Off suction
  2. With tube clamped

Remove drain in  inspiration