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Bone Fractures

BoneJoint

Fractures are more common in children due to their activities as well as their bone properties.  Children are more active than adults and management of fractures in them also differs as compared to that in adults. Fracture occurs when the bone is subjected to excessive stress than normal. It is very common in children because of the presence of growth plate which is the area of the child’s bone that consists of cartilage cells that transform into solid bone as the child grows. Growth plate fractures occur more often because it is the weakest area in the bone.

Children with growth plate fracture may complain of pain and localized tenderness over the growth plate.  There may or may not be any swelling or an obvious deformity.  Clinical examination and X-rays will be required for diagnosis of a growth plate fracture. 

Once your doctor has confirmed the diagnosis of growth plate fracture, the treatment options will be discussed. If there is a non-displaced fracture in which the broken bone ends remain aligned in correct anatomic position, then casting is the treatment option. A reduction will be necessary if the fracture is displaced and is done under local or general anaesthesia. A confirmatory X-ray will be taken to ensure correct positioning of the fracture ends after reduction. In certain cases, surgery may be required to reposition the growth plate fracture into healing position.

Your doctor will schedule a follow-up visit after few months during which X-rays will be taken to check for normal bone growth. If any growth disturbance or deformity is detected, further treatment becomes necessary.

Other Types of Fractures

  • Torus/Buckle Fractures: A torus or buckle fracture is one of the most common fractures that occur in children.  It is because of end-to-end compression of the bone, which results in buckling or giving way of the sides of the bone.
  • Greenstick Fractures: This is unique fracture in children that involves bending of one side of the bone without any break in the bone.
  • Toddler Fracture occurs in young children when there is injury to tibia (shin bone). This fracture is not evident on an X-ray as they are undisplaced.
  • Nursemaid elbow occurs when there is displacement of one of the bones (radius) in the elbow joint. It usually occurs in children younger than 5 years.

Fracture Care

Early fracture management aims at controlling bleeding, preventing ischemic injury (bone death) and removal of sources of infection such as foreign bodies and dead tissues. The next step in fracture management is the reduction of the fracture and its maintenance. It is important to ensure that the involved part of the body returns to its function after fracture heals. To achieve this, maintenance of fracture reduction with immobilization technique is done by either non-operative or surgical method.

Non-operative (closed) therapy comprises of casting and traction (skin and skeletal traction).

  • Casting

Closed reduction is done for any fracture that is displaced, shortened, or angulated. Splints and casts made up of fiberglass or plaster of Paris material are used to immobilize the limb.

  • Traction

Traction method is used for the management of fractures and dislocations that cannot be treated by casting. There are two methods of traction namely, skin traction and skeletal traction. Skin traction involves attachment of traction tapes to the skin of the limb segment below the fracture. In skeletal traction, a pin is inserted through the bone distal to the fracture. Weights will be applied to this pin, and the patient is placed in a setting that facilitates traction. This method is most commonly used for fractures of the thighbone.

Surgical Therapy

  • Open Reduction and Internal Fixation (ORIF)

This is a surgical procedure in which the fracture site is adequately exposed and reduction of fracture is done. Internal fixation is done with devices such as Kirschner wires, plates and screws, and intramedullary nails.

  • External fixation

External fixation is a procedure in which the fracture stabilization is done at a distance from the site of fracture. It helps to maintain bone length and alignment without casting.

External fixation is performed in the following conditions:

  • Open fractures with soft-tissue involvement
  • Burns and soft tissue injuries
  • Pelvic fractures
  • Comminuted and unstable fractures
  • Fractures having bony deficits
  • Limb-lengthening procedures
  • Fractures with infection or nonunion

Rehabilitation

Fractures may take several weeks to months to heal completely. Children should limit their activities even after the removal of cast or brace so that the bone become solid enough to bear the stress.

Other Trauma List

  • Australian Orthopaedic Association
  • Royal Australasian College of Surgeons
  • The Children's Hospital at Westmead
  • University of New South Wales
  • The University of Sydney logo
  • Australian Paediatric Orthopaedic Society – APOS
  • Sydney Children’s Hospitals Network  - SCHN
  • Australian Medical Association – AMA
  • Ramsay Health
  • The University of Notre Dame