Thoracentesis - thoracentesis procedure

Thoracentesis is a procedure to remove fluid from the space between the lining of the outside of the lungs (pleura) and the wall of the chest. Normally, very little fluid is present in this space. An accumulation of excess fluid between the layers of the pleura is called a pleural effusion.

Various test during Thoracentesis

A small area of skin on your chest or back is washed with a sterilizing solution. Some numbing medicine (local anesthetic) is injected in this area. A needle is then placed through the skin of the chest wall into the space around the lungs called the pleural space. Fluid is withdrawn and collected and may be sent to a laboratory for analysis.

No special preparation is needed before the procedure. A chest x-ray is may be performed before and after the test. Do not cough, breathe deeply, or move during the test to avoid injury to the lung.

The preparation you can provide for this test depends on your child's age, previous experiences, and level of trust.

You will on a bed or sit on the edge of a chair or bed with your head and arms resting on a table. The skin around the procedure site is disinfected and the area is draped. A local anesthetic is injected into the skin. The thoracentesis needle is inserted above the rib into the pleural space.

There will be a stinging sensation when the local anesthetic is injected, and you may feel a sensation of pressure when the needle is inserted into the pleural space.

Inform your health care provider if you develop shortness of breath or chest pain.

The test is performed to determine the cause of the fluid accumulation or to relieve the symptoms associated with the fluid accumulation.

What abnormal results mean during Thoracentesis

The analysis of the fluid will indicate possible causes of pleural effusion such as infection, cancer, heart failure, cirrhosis , and kidney disease. If infection is suspected, a culture of the fluid is often done to determine whether microorganisms are present and if so, to identify them.

Additional conditions under which the test may be performed include the following:

• Pneumonia
• Hemothorax
• Pulmonary veno-occlusive disease
• Pancreatitis
• Pulmonary embolism
• Thyroid disease
• Collagen vascular disease
• Asbestos-related pleural effusion
• Drug reactions

Risks of Thoracentesis

• Pneumothorax (collapse of the lung)
• Fluid re-accumulation
• Pulmonary edema
• Bleeding
• Infection
• Respiratory distress

Malignant Pleural Effusions

Malignant Pericardial Effusions

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