Arthrocentesis

Overview

Definition

Arthrocentesis takes joint fluid out using a needle. It can be done in most of the joints in the body. It is usually done on large joints like the knee or shoulder.

Arthrocentesis
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Possible Complications

Problems are rare, but all procedures have some risk. The doctor will go over some problems that could happen, such as

  • Excess bleeding
  • Problems from anesthesia, such as wheezing
  • Infection
  • Increased pain
  • Damage to nearby structures

Things that may raise the risk of problems are:

  • An infection in the body
  • Bleeding problems
  • Use of blood thinners

SymptomsandDiagnosis

Treatments

This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.

Edits to original content made by Denver Health.

a (Joint Aspiration)

RESOURCES

Arthritis Foundation http://www.arthritis.org 

National Institute of Arthritis and Musculoskeletal and Skin Diseases http://www.niams.nih.gov 

CANADIAN RESOURCES

The Arthritis Society http://www.arthritis.ca 

Canadian Orthopaedic Association http://www.coa-aco.org 

References

Joint aspiration (arthrocentesis). Rady Children's Hospital San Diego website. Available at: https://www.rchsd.org/health-articles/joint-aspiration-arthrocentesis. Accessed September 28, 2020.

Synovial fluid analysis. EBSCO DynaMed website. Available at:  https://www.dynamed.com/lab-monograph/synovial-fluid-analysis  Accessed September 28, 2020.

Synovial fluid analysis. Lab Tests Online—American Association for Clinical Chemistry website. Available at: http://labtestsonline.org/understanding/analytes/synovial/tab/glance. Accessed September 28, 2020.

Tercic D, Bozic B. The basis of the synovial fluid analysis. Clin Chem Lab Med 2001; 39(12):1221-1226.