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Volkmann's ischemic contracture - Overview

Alternative Names

Ischemic contracture

Definition of Volkmann's ischemic contracture:

Volkmann's contracture is a deformity of the hand, fingers, and wrist caused by injury to the muscles of the forearm.

See also: Compartment syndrome

Causes, incidence, and risk factors:

Volkmann's contracture occurs when there is a lack of blood flow (ischemia) to the forearm. This usually occurs when there is increased pressure due to swelling, a condition called compartment syndrome.

Trauma to the arm, including a crush injury or fracture, can lead to swelling that presses on blood vessels and can decrease blood flow to the arm. A prolonged decrease in blood flow will injure the nerves and muscles, causing them to become stiff (scarred) and shortened.

When the muscle shortens, it pulls on the joint at the end of the muscle just as it would if it were normally contracted. But because it is stiff, the joint remains bent and cannot straighten. This condition is called a contracture.

In Volkmann's contracture, the muscles of the forearm are severely injured. This leads to contracture deformities of the fingers, hand, and wrist.

There are three levels of severity in Volkmann's contracture:

  • Mild -- contracture of two or three fingers only, with no or limited loss of feeling
  • Moderate -- all fingers are flexed and the thumb is stuck in the palm; the wrist may be stuck in flexion, and there is usually loss of some feeling in the hand
  • Severe -- all muscles in the forearm that both flex and extend the wrist and fingers are involved; this is a severely disabling condition

The injury that usually causes this condition is an elbow fracture in children. Other conditions that can cause increased pressure in the forearm include:

  • Animal bites
  • Any forearm fracture
  • Bleeding disorders
  • Burns
  • Excessive exercise
  • Injection of certain medications into the forearm
  • Reviewed last on: 7/28/2010
  • Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; and C. Benjamin Ma, MD, Assistant Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Jobe MT. Compartment syndromes and Volkmann contracture. In: Canale ST, Beaty JH, eds. Campbell's Operative Orthopaedics. 11th ed. Philadelphia, Pa: Mosby Elsevier;2007:chap 71.

Hensinger RN. Complications of fractures in children. In: Green NE, Swiontkowski MF, eds. Skeletal Trauma in Children. 4th ed. Philadelphia, Pa: Saunders Elsevier;2008:chap 6.

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