: CT-Guided Pleural Space Catheter Drainage and Placement
: A CT-guided pleural drain is a procedure in which a thin tube (catheter) is placed into the fluid-filled space around the lungs using computed tomography (CT) imaging for guidance, allowing drainage of pleural fluid or air.
[": This is an image-guided procedure to place a drainage catheter into the pleural space, typically to relieve fluid or air buildup around the lungs."]
Key facts at a glance
- LOINC
- 90313-8
- Short code
- CT Guided Pl space-L Drain+CT place
- Synonyms
- CT Guided Pl space-L Drain+CT place
- Category
- chemistry
- Sample
- serum
- Container
- Red-top tube (SST)
- Units
- N/A
- Fasting
- false
- Population
- adult
- Sex
- all
- Age range
- 18–65 years
- Method
- ct
- Specimen volume
- 5 mL
- Stability
- Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
- Hemolysis max
- 500
- Lipemia max
- 1000
- Icterus max
- 500
- TAT
- 4–24 hours
- Order
- routine
: What This Procedure Is
: The pleural space is the thin gap between the lungs and the chest wall. Sometimes fluid (a pleural effusion) or air (a pneumothorax) collects there and causes shortness of breath or chest discomfort. A CT-guided pleural drain places a small, flexible catheter into this space so the material can be removed and the lung can re-expand.
: Why CT Guidance Is Used
: Computed tomography (CT) creates detailed cross-sectional pictures of the chest. The radiologist uses these images to choose a safe entry point, avoid nearby structures such as blood vessels or the lung itself, and confirm the catheter tip is in the right position. This improves accuracy compared with landmark-based techniques.
: What to Expect During the Procedure
: You may be asked not to eat or drink for a time beforehand, and blood-thinning medicines may need adjustment. The skin is numbed with local anesthetic. The radiologist inserts the catheter through a small skin nick while watching on CT, then secures it and often connects it to a drainage system. The procedure usually takes less than an hour, though preparation and monitoring add time.
: Aftercare and Follow-Up
: The catheter may stay in place for hours to days depending on why it was placed. Your care team will monitor how much fluid or air drains, check for complications, and decide when to remove it. Keep the site clean and dry and report increasing pain, fever, or shortness of breath. Follow-up imaging or clinic visits are commonly scheduled.
Clinical interpretation
How abnormal results are interpreted and what conditions they suggest.
: CT-guided pleural drainage is used to relieve symptomatic pleural effusions, treat pneumothorax, and sometimes to obtain fluid samples for laboratory testing. It can improve breathing and comfort and may aid diagnosis of conditions such as infection, heart failure, or malignancy. As with any procedure, risks include bleeding, infection, and lung injury, which the care team weighs against the benefit.
Short name
: Image-Guided Pleural Drain
Frequently asked questions
: Does placing a pleural drain hurt?
: How long will the drain stay in?
: What warning signs should I watch for afterward?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy