Abdominal Paracentesis

(Ascites Fluid Tap; Abdominal Tap)

Definition

Definition

Ascites is the build-up of fluid in the abdominal cavity. Paracentesis is used to remove a sample of fluid or to drain fluid that has built up.

Ascites

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Reasons for Procedure

Reasons for Procedure

This is done to find out why there is fluid build-up in the abdomen. Causes may include:

  • Bleeding
  • Infection
  • Diseases of organs, such as the liver or kidneys
  • Cancer
  • Low blood protein
  • Leakage of lymphatic fluid

This procedure may also be done when fluid in the abdomen:

  • Makes breathing difficult
  • Causes pain

Abdominal fluid can return until the condition causing it has been treated. You may need to have the procedure again.

Possible Complications

Possible Complications

Problems from the procedure are rare, but all procedures have some risk. Your doctor will review potential problems, like:

  • Bleeding
  • Infection
  • Accidental piercing of structures in the abdomen

Some factors that may increase the risk of complications include:

  • Smoking
  • Alcohol use disorder
  • Bleeding disorder
  • Poor nutrition
  • Pregnancy
  • Full bladder
  • Infection in the area where the paracentesis instrument will be inserted
  • Cirrhosis of the liver

Be sure to discuss these risks with your doctor before the procedure.

What to Expect

What to Expect

Prior to Procedure

Your doctor may do some or all of the following:

If the procedure is scheduled and not done on an emergency basis:

  • Do not eat or drink for 12 hours before the procedure.
  • Empty your bladder just before the procedure.

Anesthesia

You will receive local anesthesia. The area will become numb. You will stay awake during the procedure.

Description of the Procedure

This is usually done in the doctor’s office. In some cases, your doctor may have you go to the hospital before or after this procedure. If you are already in the hospital for a different reason, this procedure will not extend your stay.

In most cases, you will lie on your back. In some instances, you may need to be in a different position. The area where the needle will be inserted is cleaned with a solution and draped with sterile cloths. An injection of a local anesthetic will be given to numb the area. A needle will be carefully inserted into the abdomen. The fluid will be removed using a syringe.

The amount of fluid removed depends on your condition. If it is being done to make a diagnosis, the doctor will remove a small amount of fluid and send it for testing. If the procedure is being done to make you feel better, more fluid may be removed.

How Long Will It Take?

About 10-15 minutes, depending on how much fluid needs to be removed

How Much Will It Hurt?

There will be some stinging or burning while the anesthesia is injected. After the area is numb, you will not feel pain.

Post-procedure Care

At the Care Center

You will stay in the recovery room for a few hours. Your blood pressure and other vital signs will be monitored. If you have a lot of fluid leakage or are having trouble breathing, you may need to stay in the care center.

At Home

  • Rest the day after your procedure.
  • Care for the needle insertion site and monitor it for signs of infection.

Call Your Doctor

Call Your Doctor

It is important to monitor your recovery. Alert your doctor to any problems. If any of the following occur, call your doctor:

  • Signs of infection, including fever, chills and abdominal pain
  • Redness, swelling, increasing pain, excessive bleeding, or fluid from the paracentesis site
  • Pain that you cannot control with the medicines you have been given
  • Cough, shortness of breath, feeling faint, or chest pain
  • Swelling of the abdomen

If you think you have an emergency, call for medical help right away.

RESOURCES:

American Cancer Society http://www.cancer.org

Family Doctor—American Academy of Family Physicians http://familydoctor.org

CANADIAN RESOURCES:

Canadian Cancer Society http://www.cancer.ca

Health Canada http://www.hc-sc.gc.ca

References:

Ascites. EBSCO DynaMed website. Available at:
http://www.ebscohost.com/dynamed
Updated June 13, 2014. Accessed June 16, 2014.

Aslam N, Marino CR. Malignant ascites: New concepts in pathophysiology, diagnosis, and management. Arch Intern Med. 2001;161(22):2733-2737.

Covey AM. Management of malignant pleural effusions and ascites. J Support Oncol. 2005;3(2):169-173.

Smith EM, Jayson GC. The current and future management of malignant ascites. Clin Oncol. 2003;15(2):59-72.

6/2/2011 DynaMed’s Systematic Literature Surveillance https://dynamed.ebscohost.com/about/about-us: Mills E, Eyawo O, Lockhart I, et al. Smoking cessation reduces postoperative complications: A systematic review and meta-analysis. Am J Med. 2011;124(2):144-154.

Last reviewed June 2015 by Michael Woods, MD
Last Updated: 6/16/2014

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