Intercostal catheter

Last revised by Arlene Campos on 13 Jun 2024

Intercostal catheters (ICC), or informally chest tubes, are inserted into the pleural space to drain fluid and/or air. They typically refer to large-bore (10-14 Fr) drains placed under direct vision rather than percutaneous pigtail catheters (6-8 Fr) placed under image guidance.

The indications are wide and can include 1:

  • consent

  • patient position

    • preferred: sitting at a 30-45° incline with the arm on the side of the procedure abducted

    • alternative: sitting upright and supported onto a table anteriorly or lateral decubitus

  • identify triangle of safety, insertions are preferably oriented slightly superior to the border of the inferior rib to minimize the risk of damaging the neurovascular bundle

  • sterile preparation and drape

  • local anesthetic infiltration down to the level of parietal pleura

  • 1-2 cm incision parallel to the rib

  • blunt dissection using index finger or blunt forceps and breech parietal pleura: will be accompanied by a release of blood, fluid or air

  • dilate insertion site with index finger

  • insert drain with forceps directed towards the lung apex for pneumothorax or basally for hemothorax or fluid drainage

  • drain size

    • 10-14 Fr

    • smaller bore drains are recommended to minimize discomfort

    • larger bore drains are recommended for draining hemothoraces

  • there should be minimal resistance during drain insertion and an appropriate length should be passed within the pleural cavity

  • suture drain superficially and secure

  • connect the drain to an underwater seal drain system

  • confirmation: chest radiograph post procedure

    • in certain drains, the absence of ‘swinging and bubbling’ in the underwater seal mechanism are concerning signs of dysfunction

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