Skip to content

: CT-Guided Pleural Space Catheter Drainage and Placement

Published: August 9, 2026Updated: August 16, 2026

: 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.

Quick summary

[": 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."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

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?
: The skin is numbed with local anesthetic, so you may feel a brief sting from the numbing injection and some pressure during placement. Most people tolerate the procedure well; tell your care team if you have discomfort so they can help.
: How long will the drain stay in?
: That depends on the reason for drainage and how quickly fluid or air is removed. Some drains are removed the same day, while others stay in for several days. Your care team will assess drainage and imaging to decide the right timing.
: What warning signs should I watch for afterward?
: Seek prompt medical attention for worsening shortness of breath, chest pain, fever, redness or discharge at the site, or if the catheter becomes dislodged. These could signal complications that need evaluation.
  1. 1
  2. 2
  3. 3

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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