Fractures & Trauma
A bone fracture is a medical condition in which a bone is cracked or broken. It is a break in the continuity of the bone. While many fractures are the result of high force impact or stress, bone fracture can also occur as a result of certain medical conditions that weaken the bones, such as osteoporosis.
The word “Fracture” implies to broken bone. A bone may get fractured completely or partially and it is caused commonly from trauma due to fall, motor vehicle accident or sports. Thinning of the bone due to osteoporosis in the elderly can cause the bone to break easily. Overuse injuries are common cause of stress fractures in athletes.
Types of fractures include:
- Simple fractures in which the fractured pieces of bone are well aligned and stable.
- Unstable fractures are those in which fragments of the broken bone are misaligned and displaced.
- Open (compound) fractures are severe fractures in which the broken bones cut through the skin. This type of fracture is more prone to infection and requires immediate medical attention.
- Greenstick fractures: This is a unique fracture in children that involves bending of one side of the bone without any break in the bone.
Our body reacts to a fracture by protecting the injured area with a blood clot and callus or fibrous tissue. Bone cells begin forming on the either side of the fracture line. These cells grow towards each other and thus close the fracture.
The objective of early fracture management is to control bleeding, prevent ischemic injury (bone death) and to remove 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).
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 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 an apparatus that facilitates traction. This method is most commonly used for fractures of the thighbone.
- 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 non-union
Fractures may take several weeks to months to heal completely. You should limit your activities even after the removal of cast or brace so that the bone become solid enough to bear the stress. Rehabilitation program involves exercises and gradual increase in activity levels until the process of healing is complete.
Foot and Ankle
The foot and ankle in the human body work together to provide balance, stability, movement, and Propulsion.
This complex anatomy consists of:
- 26 bones
- 33 joints
- Blood vessels, nerves, and soft tissue
The ankle joint is composed of three bones: the tibia, fibula, and talus which are articulated together. The ends of the fibula and tibia (lower leg bones) form the inner and outer malleolus, which are the bony protrusions of the ankle joint that you can feel and see on either side of the ankle. The joint is protected by a fibrous membrane called a joint capsule, and filled with synovial fluid to enable smooth movement.
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The foot has 26 bones, and can be divided into 3 parts:
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The calcaneus or heel bone is a large bone found on the rear part of the foot. The calcaneus connects with the talus and cuboid bones to form the subtalar joint of the foot. A fracture is a break in a bone from trauma or various disease conditions.
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Lisfranc (Midfoot) Fracture
Tarsometatarsal joint refers to the region found in the middle of the foot. It is also called as Lisfranc joints. It is a junction between the tarsal bones (group of seven articulating bones in the foot) and metatarsal bones (a group of five long bones in the foot). A deformity in the tarsometatarsal region can be due to arthritis and traumatic motor accidents.
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Stress Fractures of the Foot and Ankle
A stress fracture is described as a small crack in the bone which occurs from an overuse injury of a bone. It commonly develops in the weight bearing bones of the lower leg and foot.
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The talus is a small bone at the ankle joint that connects the heel bone and the two bones of the lower leg, enabling the up and down movement of the foot. Fractures in the talus bone may occur due to a fall from great heights, motor vehicle accidents or twisting of the ankle.
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Toe & Forefoot Fractures
The forefoot is the front of the foot that includes the toes. Fractures occurring in this part of the foot are painful but very often not disabling. There are 2 types of fractures namely, traumatic fracture and stress fracture.
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