What procedure removes fluid from the chest through a needle or tube quizlet?

Overview

What is thoracentesis?

Thoracentesis is a procedure that takes fluid out from around your lungs (pleural space). The pleural space is the area outside your lungs but inside your chest wall.

Your lungs and chest wall are both lined with a thin layer called pleura. A small amount of fluid between these two layers helps them move smoothly past each other when your lungs get bigger and smaller as you breathe. Just like a hinge needs oil to help the door move smoothly, your lungs need pleural fluid to help you breathe.

Some medical conditions and diseases cause fluid to leak into the pleural space (pleural effusion), which makes it hard to breathe. Healthcare providers use thoracentesis to test the fluid for diseases or to relieve symptoms.

What’s the difference between thoracentesis and paracentesis?

Thoracentesis and paracentesis both remove extra fluid from your body. Thoracentesis removes fluid from your chest and paracentesis removes fluid from your abdomen.

What’s the difference between a thoracentesis and a chest tube?

Thoracentesis drains fluid from your chest during the procedure, which usually lasts about 15 minutes. A chest tube, or a smaller drain with a curled end (pigtail catheter), stays inside your chest and drains fluid or air over a few days. It’s placed by a surgeon, pulmonologist or radiologist.

Is thoracentesis a major surgery?

No, thoracentesis isn’t considered a major surgery. Thoracentesis is minimally invasive, which means your provider doesn’t have to make large cuts in your tissue. Recovery time for minimally invasive procedures is short and risks are much lower than for major surgery.

Who needs to have thoracentesis done?

If you have a pleural effusion, you may need to have thoracentesis done to look for the cause or to make you more comfortable.

Why is thoracentesis done?

Thoracentesis is done either to relieve your symptoms or to test the fluid around your lungs (or both). Common reasons to have thoracentesis done include:

• Infection. If your healthcare provider thinks you have an infectious disease (like a bacterial infection) that’s causing pleural effusion, they’ll remove some fluid for testing. Tests on your pleural fluid can help find the cause of infection.
• Cancer. If cancer may be causing pleural effusion, your provider can test your pleural fluid for cancer cells.
• Symptom relief. If pleural effusion is making it hard to breathe, your provider can remove some of the fluid to make you more comfortable.

What does thoracentesis treat?

Thoracentesis treats pleural effusion, or excess fluid in the space between your lungs and your chest wall. It helps relieve symptoms and figure out what might be causing the fluid, so that your provider can treat it appropriately. Many underlying conditions cause pleural effusion, including:

• Congestive heart failure.
• Cancer.
• Pneumonia or lung infections (viral, bacterial or fungal).
• Lupus (systemic lupus erythematosus/SLE) and other autoimmune diseases.
• Blood clots in your lungs (pulmonary embolism).
• Certain types of high blood pressure (pulmonary hypertension).
• Inflammation of your pancreas (pancreatitis).
• Kidney or liver disease.
• Tuberculosis (TB).

Heart failure is the most common cause of pleural effusion.

How common is thoracentesis?

Thoracentesis is a common procedure, with nearly 180,000 done each year in the U.S. alone.

Procedure Details

How do I prepare for a thoracentesis?

Your healthcare provider will give you specific instructions on how to prepare for a thoracentesis. They may ask you to:

• Stop taking medications after a certain time.
• Have someone drive you home after the procedure.

Tell your provider if you:

• Have a blood clotting (bleeding) condition.
• Take blood thinners or aspirin.
• Take any other prescription or over-the-counter medicines, vitamins or supplements.
• Are pregnant or could be pregnant.
• Are allergic to any medications (including anesthetics), latex or tape (adhesives).

What happens before a thoracentesis?

Before a thoracentesis, your provider will take your blood pressure and use a small device on your finger to measure your blood oxygen level. They’ll use imaging (X-ray, ultrasound or CT scan) before the procedure to see where the fluid is and how much of it there is.

You’ll change into a gown that’s open in the back and remove any jewelry. Your provider will have you sit with your arms resting on a table. If you’re unable to sit, you can lie on your side.

What happens during a thoracentesis?

A thoracentesis is usually done at a hospital and takes about 15 minutes. Your provider may ask you not to move or to hold your breath at different points during the procedure.

You may feel pressure or discomfort while they take fluid out, but it shouldn’t be painful. Tell your provider if you have chest pains or feel short of breath or faint.

During a thoracentesis your provider will:

1. Connect you to machines to watch your heartrate and other vital signs.
2. Give you oxygen through a tube (cannula) in your nose or with a mask.
3. Clean part of your back with antiseptic and cover the area with a drape.
4. Numb the area with a needle and local anesthesia. You may feel a pinch when they put the needle in. They might wait a few minutes after this step to make sure the area is numb.
5. Make a small cut in your skin (incision) and insert another needle between your ribs to take out fluid. They may use a hand-held ultrasound device to help them guide the needle. A tube attached to the needle drains the fluid.
6. Remove the needle and cover the incision with a bandage. It should heal on its own.

What happens after a thoracentesis?

After a thoracentesis, your provider may get another X-ray or ultrasound of your lungs. If you’re going home afterwards, they’ll continue to watch your vital signs until it’s OK for you to leave.

You might cough for up to an hour after thoracentesis. This is normal and helps your lungs expand again.

Your provider usually sends the drained fluid to a lab. The lab will look for signs of infectious diseases or other causes of pleural effusion. Your provider will let you know what they find and what it means for your health.

Are you awake during a thoracentesis?

Yes, you’re awake during a thoracentesis procedure. Your provider uses a local anesthetic to numb the surrounding area.

What position are you in for a thoracentesis?

The best position for a thoracentesis is sitting up and resting on your arms on a table in front of you. Your provider can get to your back in this position and it’s easier to hold yourself still. If you can’t sit, you can lay on your side instead.

Is a thoracentesis procedure painful?

Thoracentesis shouldn’t be painful. Your provider will numb your skin before putting the needle in. Removing the fluid might cause you some discomfort, but it shouldn’t be painful.

Risks / Benefits

What are the advantages of thoracentesis?

Thoracentesis is a safe way to diagnose infections and other illnesses that cause pleural effusion. It also relieves pressure on your lungs, making it easier to breathe. 

Your healthcare provider doesn’t have to make large cuts or damage tissue (minimally invasive), so there’s low risk of complications. It can be done as an outpatient procedure, which means you’re able to go home afterward.

What are the risks of thoracentesis?

Thoracentesis is a safe procedure with low risk for complications. Complications from thoracentesis usually aren’t serious. They’re minimized by locating the fluid with imaging before the procedure. Ask your healthcare provider to explain the risks in your specific case. 

Risks of thoracentesis include:

• Bleeding. The needle can hit a blood vessel and cause bleeding. This is usually minor and stops on its own. Rarely, you might need surgery to fix bleeding.
• Infection. Any time you have a break in your skin, there’s a risk that bacteria could get into your body and cause an infection. 
• Collapsed lung (pneumothorax). The needle can pierce a hole in your lung, causing air to leak out. This might collapse part or all of your lung.
• Pulmonary edema. If thoracentesis removes the fluid from around your lungs too quickly, it can cause fluid to build up inside your lungs (pulmonary edema) instead.

Recovery and Outlook

How long does it take to recover from thoracentesis?

Recovery time for thoracentesis is short. Your provider may tell you avoid strenuous activities for 48 hours. You can usually take off the bandage after 24 hours.

Ask your provider how to manage any symptoms or side effects you have after the procedure, including pain, coughing or fluid leaking from the drainage site. Follow their instructions for post-op care.

When can I go back to my normal activities after thoracentesis?

You should be able to go back to your everyday activities, like work or school, as soon as you feel up to it. Ask your provider if you have any restrictions on what you can do after a thoracentesis. 

Can fluid come back after thoracentesis?

Many people have fluid on their lungs that keeps coming back because of an underlying medical condition. If you have a medical condition that causes pleural effusion, you may have to have multiple thoracentesis procedures.

How many times can a thoracentesis be done?

Thoracentesis can be done as frequently as every few days for certain conditions. The risk of complications is minimized by making sure that the procedure is done only when necessary for symptom relief or to find the cause of pleural effusion.

When to Call the Doctor

When should I see my healthcare provider?

Call or see your healthcare provider if you’ve had a thoracentesis and have any of these symptoms:

• Fever.
• Redness, swelling or bleeding at the needle site.
• Chest pain or pain taking a deep breath.
• Coughing up blood (hemoptysis).
• Sudden trouble breathing or shortness of breath.

A note from Cleveland Clinic

Thoracentesis is a common, low-risk procedure. It can give you answers about what’s causing the fluid around your lungs and relieve pressure that makes it hard to breathe. Don’t hesitate to ask your healthcare provider about any concerns you have. You’ll breathe easier afterward.

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