Definition
A pleural effusion is a build-up of fluid in the space between the lungs and the chest wall. This space is called the pleural space. Thoracentesis is a procedure to remove fluid from this area.
There are two types of thoracentesis:
Therapeutic thoracentesis—to relieve the symptoms of fluid accumulation
Diagnostic thoracentesis—to test for the cause of the fluid build-up
Reasons for Procedure
There is always a small amount of fluid in the pleural space. The fluid helps to lubricate the area. When too much fluid builds up in this space, it can make it difficult to breathe.
Your doctor may want to test some of the fluid after extracting it. The build-up of fluid can be a symptom of diseases or disorders, such as:
Congestive heart failure (CHF)
Lung infections
Kidney disease
Pulmonary embolism (a blot clot that travels to the lung)
Cancer
Liver disease
Factors that may increase the risk of complications include:
Smoking
Possible Complications
Complications are rare, but no procedure is completely free of risk. If you are planning to have a thoracentesis, your doctor will review a list of possible complications, which may include:
A collapsed lung
Fluid building up again
Bleeding
Infection
Damage to the liver or spleen
Factors that may increase the risk of complications include:
A history of lung surgery
A long-term, irreversible lung disease (such as emphysema or asthma )
Anything affecting normal blood clotting
What to Expect
Prior to Procedure
Your doctor may order:
A complete physical exam
X-ray —a test that uses radiation to take a picture of structures inside the body
CT scan —a type of x-ray that uses a computer to make pictures of the inside of the body
Ultrasound—uses sound waves to make pictures of the inside of the body
Blood tests
Anesthesia
A local anesthetic will be used. It will numb the area where the needle will be inserted.
Description of the Procedure
You will usually be asked to sit upright on the edge of a bed or chair. Your arms will be resting on a nearby table. The doctor may use ultrasound to mark the location of the pleural fluid. A small patch of skin on your back, chest, or under your armpit will be sterilized. Anesthesia will be applied to help numb the area. A needle will be inserted between your ribs and into the pleural space. A thin plastic catheter may be used, as well. You should avoid coughing, breathing deeply, or moving during the procedure. Some or all of the fluid will be drawn into the syringe.
Placement of Thoracentesis Needle
How Long Will It Take?
About 15 minutes
Will It Hurt?
You may feel slight pain or a stinging when the needle is first inserted. As the fluid is being extracted, you may feel a sense of pulling. Tell your doctor or nurse if you feel extreme pain, any shortness of breath, or faint.
Post-procedure Care
At the Care Center
If the thoracentesis is being done for diagnostic reasons, the fluid will be sent to a lab for testing. Often, another chest x-ray will be done to ensure that the fluid has been removed and that there is no sign of a collapsed lung.
At Home
Keep the area of skin where the needle was inserted clean and dry. To help make your recovery smooth, be sure to follow your doctor's instructions .
If a diagnostic thoracentesis was done, ask your doctor when to expect the results.
Call Your Doctor
After arriving home, contact your doctor if any of the following occurs:
Signs of infection, including fever and chills
Redness, swelling, increasing pain, excessive bleeding, or any discharge from the insertion site
Pain that you cannot control with the medicines you have been given
Cough, shortness of breath, or chest pain
Coughing up blood
Pain when taking a deep breath
If you think you have an emergency, call for medical help right away.
Home » Unlabelled » Thoracentesis
Sunday, September 16, 2012
Thoracentesis
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