Pleural fluid culture

定义

Pleural fluid culture is a test that examines a sample of fluid that has collected in the pleural space to see if you have an infection or understand the cause of buildup of fluid in this space. The pleural space is the area between the lining of the outside of the lungs (pleura) and the wall of the chest. When fluid collects in the pleural space, the condition is called 胸腔积液.

选择的名字

Culture - pleural fluid

How the Test is Performed

A procedure called 胸腔穿刺术 is performed to get a sample of pleural fluid. The sample is sent to a laboratory and examined under a microscope for signs of infection. The sample is also placed in a special dish (culture) to support the growth of microorganisms. It is then watched to see if bacteria or any other germs grow. This can take several days.

How to Prepare for the Test

No special preparation is needed before the test. A 胸部x光片 will be performed before and after the test.

DO NOT cough, breathe deeply, or move during the test to avoid injury to the lung.

How the Test will Feel

For 胸腔穿刺术, you sit on the edge of a chair or bed with your head and arms resting on a table. The health care provider cleans the skin around the insertion site. Numbing medicine (anesthetic) is injected into the skin.

A needle is placed through the skin and muscles of the chest wall into the pleural space. As fluid drains into a collection bottle, you may cough a bit. This is because your lung re-expands to fill the space where fluid had been. This sensation lasts for a few hours after the test.

During the test, tell your provider if you have sharp chest pain or shortness of breath.

Why the Test is Performed

Your provider may order this test if you have signs of a certain infection or if a 胸部x光片 or CT scan of the chest shows you have too much fluid in the space around the lungs.

正常的结果

A normal result means no bacteria or fungi were seen in the test sample.

A normal value is no growth of any bacteria. Talk to your doctor about the meaning of your specific test results.

What Abnormal Results Mean

Abnormal results may indicate:

• 积脓症 (collection of pus in the pleural space)
• Lung abscess (collection of pus in a lung)
• 肺炎
• 肺结核

风险

风险 of 胸腔穿刺术 are:

• 肺萎陷(气胸)
• Excessive loss of blood
• Fluid reaccumulation
• 感染
• 肺水肿
• Respiratory distress
• Serious complications are uncommon

参考文献

勃洛克汉堡王. 胸腔穿刺术. In: Roberts JR, Custalow CB, Thomsen TW, eds. Roberts and Hedges' Clinical Procedures in Emergency Medicine and Acute Care. 7日艾德. Philadelphia, PA: Elsevier; 2019:chap 9.

Parta米. Pleural effusion and empyema. In: Bennett JE, Dolin R, Blaser MJ, eds. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. 9日艾德. Philadelphia, PA: Elsevier; 2020:chap 68.